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Juniper JUNOSE 11.2, Configuration Manual

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Configuring PPPoE for Ethernet Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394

PPPoE Interface and Subinterface Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
Configuring IPv4 and IPv6 over PPPoE with VLAN . . . . . . . . . . . . . . . . . . . . 395
Configuring PPPoE Without VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398

Configuring PADM Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Configuring PADN Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Configuring PPPoE Service Name Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405

Creating and Populating PPPoE Service Name Tables . . . . . . . . . . . . . . . . . 405
Enabling PPPoE Service Name Tables for Use with Static Interfaces . . . . . 408

PPPoE over ATM Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408
PPPoE over Ethernet Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . 409

Enabling PPPoE Service Name Tables for Use with Dynamic Interfaces . . . . 411

Configuring PADS Packet Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Configuring PPPoE Remote Circuit ID Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Monitoring PPPoE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 434

Chapter 13

Configuring Bridged IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437

Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438

Platform Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438

Module Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438
Interface Specifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Before You Configure Bridged IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Configuring Bridged IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440

Chapter 14

Configuring Bridged Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443

Bridged Ethernet Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Assigning MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
VLAN and S-VLAN Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444

Platform Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446

Module Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Interface Specifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
Configuring Bridged Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447

Configuring IP with PPPoE Terminated at the Router . . . . . . . . . . . . . . . . . . 447
Alternative Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451

Configuring VLANs over Bridged Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452

Configuring VLAN Subinterfaces over Bridged Ethernet . . . . . . . . . . . . . . . . 453
Configuring Higher-Level Protocols over VLANs . . . . . . . . . . . . . . . . . . . . . . 453

Configuring IP over VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
Configuring PPPoE over VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
Configuring MPLS over VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454

Configuring S-VLANs over Bridged Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457

Configuring S-VLAN Subinterfaces over Bridged Ethernet . . . . . . . . . . . . . . 457
Configuring Higher-Level Protocols over S-VLANs . . . . . . . . . . . . . . . . . . . . 458

Configuring the MTU Size for Bridged Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . 459

xvii

Copyright © 2010, Juniper Networks, Inc.

Table of Contents

Summary of Contents for JUNOSE 11.2

Page 1: ...JunosE Software for E Series Broadband Services Routers Link Layer Configuration Guide Release 11 2 x Published 2010 07 07 Copyright 2010 Juniper Networks Inc ...

Page 2: ...Juniper Networks U S Patent Nos 5 473 599 5 905 725 5 909 440 6 192 051 6 333 650 6 359 479 6 406 312 6 429 706 6 459 579 6 493 347 6 538 518 6 538 899 6 552 918 6 567 902 6 578 186 and 6 590 785 JunosE Software for E Series Broadband Services Routers Link Layer Configuration Guide Release 11 2 x Copyright 2010 Juniper Networks Inc All rights reserved Printed in USA Writing Krupa Chandrashekar Sub...

Page 3: ...are physically contained on a single chassis c Product purchase documents paper or electronic user documentation and or the particular licenses purchased by Customer may specify limits to Customer s use of the Software Such limits may restrict use to a maximum number of seats registered endpoints concurrent users sessions calls connections subscribers clusters nodes realms devices links ports or t...

Page 4: ...RATE WITHOUT ERROR OR INTERRUPTION OR WILL BE FREE OF VULNERABILITY TO INTRUSION OR ATTACK In no event shall Juniper s or its suppliers or licensors liability to Customer whether in contract tort including negligence breach of warranty or otherwise exceed the price paid by Customer for the Software that gave rise to the claim or if the Software is embedded in another Juniper product the price paid...

Page 5: ...ree years from the date of distribution Such request can be made in writing to Juniper Networks Inc 1194 N Mathilda Ave Sunnyvale CA 94089 ATTN General Counsel You may obtain a copy of the GPL at http www gnu org licenses gpl html and a copy of the LGPL at http www gnu org licenses lgpl html 15 Miscellaneous This Agreement shall be governed by the laws of the State of California without reference ...

Page 6: ...Copyright 2010 Juniper Networks Inc vi ...

Page 7: ...h OAM Link Fault Management 223 Chapter 8 Configuring Point to Point Protocol 259 Chapter 9 Configuring Multilink PPP 299 Chapter 10 Configuring Multiclass Multilink PPP 345 Chapter 11 Configuring Packet over SONET 359 Chapter 12 Configuring Point to Point Protocol over Ethernet 371 Chapter 13 Configuring Bridged IP 437 Chapter 14 Configuring Bridged Ethernet 443 Chapter 15 Configuring Transparent...

Page 8: ...Copyright 2010 Juniper Networks Inc viii JunosE 11 2 x Link Layer Configuration Guide ...

Page 9: ... Interfaces 4 ATM Physical Connections 4 ATM Virtual Connections 5 Virtual Channel Connection 5 Virtual Path Connection 5 ATM SVCs 5 ATM Adaptation Layer 5 Local ATM Passthrough 6 VCC Cell Relay Encapsulation 6 Traffic Management 7 Connection Admission Control 7 ILMI 9 VPI VCI Address Ranges 9 VP Tunneling 9 Platform Considerations 10 Module Requirements 10 Interface Specifiers 10 References 11 Su...

Page 10: ...ing OAM 31 Configuring F4 OAM 31 Configuring F5 OAM 33 Setting a Loopback Location ID 34 Enabling OAM Flush 35 Running ATM Ping 35 Configuring an NBMA Interface 37 Creating an NBMA Static Map 38 Assigning Descriptions to Interfaces 40 Sending Interface Descriptions to AAA 41 Assigning Descriptions to Virtual Paths 41 Exporting ATM 1483 Subinterface Descriptions 41 Configuring Individual ATM PVC Pa...

Page 11: ...5 Overview 105 Framing 105 Error Frames 106 Unicast and Multicast Addressing 106 User to Network and Network to Network Interfaces 106 Platform Considerations 107 Module Requirements 107 Interface Specifiers 107 References 108 Before You Configure Frame Relay 108 Configuring Frame Relay 108 End to End Fragmentation and Reassembly 116 Frame Fragmentation 116 Frame Reassembly 116 Map Class 117 Confi...

Page 12: ... VLAN References 170 Creating a VLAN Subinterface 170 Creating a VLAN Major Interface 170 Configuring IP over VLAN 171 Configuring PPPoE over VLAN 172 Configuring MPLS over VLAN 173 Configuring IP over VLAN and PPPoE over VLAN 174 Configuring an S VLAN Subinterface 178 Configuring an S VLAN Subinterface 178 Configuring PPPoE over an S VLAN 179 Configuring S VLAN Tunnels for Layer 2 Services over M...

Page 13: ...Link Failure and Acquisition 213 Protecting Against Physical Link Failure 213 Protecting Against Virtual Link Failure 213 Reverting After a Failover 214 LACP Configuration and Member Link Behavior 214 Member Link with Non LAG Partner 215 Ethernet Link Redundancy and RSTP 215 Acquiring Initial Links 216 Detecting Failures 216 Failing Over 216 Configuring Ethernet Link Redundancy 217 Monitoring 802 ...

Page 14: ...n Interface 250 Monitoring OAM Link Fault Management Sessions on All Configured Interfaces 253 Chapter 8 Configuring Point to Point Protocol 259 Overview 259 Framing 259 Error Frames 260 Link Control Protocol 260 LCP Negotiation Parameters 260 Validation of LCP Peer Magic Number 261 B RAS Support 262 Authentication 263 Rate Limiting for PPP Control Packets 263 Extensible Authentication Protocol 26...

Page 15: ...le Validation Failure 322 Recovering from Bundle Validation Failure 322 Configuring Fragmentation and Reassembly for Static MLPPP 322 Static MLPPP over ATM 1483 Example 323 Configuring Fragmentation and Reassembly for Dynamic MLPPP 324 Dynamic MLPPP over PPPoE Example 325 Dynamic MLPPP over L2TP Example 325 Configuring Fragmentation and Reassembly for MLPPP Bundles 327 Configuring Multiclass MLPPP...

Page 16: ...tructure 374 Enabling the Service Name Table for Use 375 Using the PPPoE Remote Circuit ID to Identify Subscribers 375 Application 375 PPPoE Remote Circuit ID Capture 376 PPPoE Remote Circuit ID Format 376 Use by RADIUS or L2TP 379 System Event Log 380 PPPoE MTU Configuration 380 Platform Considerations 380 Module Requirements 381 Interface Specifiers 381 References 381 Access Nodes in Ethernet Ag...

Page 17: ...ements 438 Interface Specifiers 439 References 439 Before You Configure Bridged IP 439 Configuring Bridged IP 440 Chapter 14 Configuring Bridged Ethernet 443 Overview 443 Bridged Ethernet Application 444 Assigning MAC Addresses 444 VLAN and S VLAN Configurations 444 Platform Considerations 446 Module Requirements 446 Interface Specifiers 446 References 447 Configuring Bridged Ethernet 447 Configur...

Page 18: ...476 Configuring Subscriber Policies 478 Enabling Concurrent Routing and Bridging 483 Configuring Explicit Routing 483 Configuration Examples 485 Example 1 Bridging with Bridged Ethernet 485 Example 2 Bridging with VLANs 486 Monitoring Transparent Bridging 487 Setting Statistics Baselines 488 Removing Dynamic MAC Address Entries 489 Monitoring Bridge Groups 490 Monitoring Bridge Interfaces 497 Moni...

Page 19: ...pvc Command 525 Configuration Example for Encapsulation Type Lockout for IWF PPPoE Sessions 525 Configuring PPP and PPPoE Dynamic Interfaces over Static ATM 525 Configuring a PPP or PPPoE Dynamic Interface 527 Terminating Stale PPPoA Subscribers and Restarting LCP Negotiations 530 Configuring PPPoE Dynamic Interfaces over PPPoE Static Interfaces 531 Configuring Dynamic PPPoE over Static PPPoE with...

Page 20: ...ation Examples 591 Scripts and Macros 593 Monitoring Upper Layer Dynamic Interfaces and Profiles 593 Troubleshooting PPP and PPPoE Dynamic Interfaces 614 Chapter 18 Configuring Dynamic Interfaces Using Bulk Configuration 619 Overview 619 Bulk Dynamic Interface Configurations 620 Profiles 620 ATM Oversubscription for Bulk Configured VC Ranges 621 Bulk Configured VC Ranges 621 Combination of Static ...

Page 21: ...es 651 Configuring VLAN Dynamic Subinterfaces 653 About Configuring Dynamic VLAN Subinterfaces 654 Overview and Benefits 654 VLAN Base Profiles 655 Nested Profile Assignments 656 Additional Profile Characteristics for Upper Interfaces 657 Bulk Configuration of VLAN Ranges 657 Bulk Configuration of VLAN Ranges Using Agent Circuit Identifier Information 658 Dynamic Interface Creation 659 Overriding ...

Page 22: ...Static VLAN Subinterfaces Within VLAN Subranges 679 Creating VLAN Subranges That Include Static VLAN Subinterfaces 680 Monitoring Dynamic Interfaces and Profiles 682 Part 2 Index Index 709 Copyright 2010 Juniper Networks Inc xxii JunosE 11 2 x Link Layer Configuration Guide ...

Page 23: ...d PPPoE Stacking Configuration Procedure 156 Chapter 5 Configuring VLAN and S VLAN Subinterfaces 167 Figure 13 Use of VLANs to Multiplex Different Protocols over a Single Physical Link 168 Figure 14 Example of IP VLAN Fast Ethernet Stacking Configuration Procedure 172 Figure 15 Example of PPPoE VLAN Fast Ethernet Stacking Configuration Procedure 173 Figure 16 Example of MPLS VLAN Fast Ethernet Sta...

Page 24: ... 395 Figure 42 Example of PPPoE Stacking 399 Chapter 14 Configuring Bridged Ethernet 443 Figure 43 Bridged Ethernet Topology Router Terminating and Routing Traffic 444 Figure 44 Interface Stacking for VLANs over Bridged Ethernet 445 Chapter 15 Configuring Transparent Bridging 465 Figure 45 Bridge Group with Fast Ethernet and Gigabit Ethernet Bridge Interfaces 467 Chapter 17 Configuring Dynamic Int...

Page 25: ...lumns over Dynamic ATM 1483 Subinterfaces 625 Figure 59 Dynamic Interface Columns over Dynamic VLAN Subinterfaces 653 Figure 60 Dynamic IP and PPPoE over Single Dynamic VLAN Subinterface 654 Figure 61 Dynamic VLAN Subinterfaces for Subscribers 655 xxv Copyright 2010 Juniper Networks Inc List of Figures ...

Page 26: ...Copyright 2010 Juniper Networks Inc xxvi JunosE 11 2 x Link Layer Configuration Guide ...

Page 27: ...M Link Fault Management 223 Table 11 show ethernet oam lfm discovery Output Fields 246 Table 12 show ethernet oam lfm statistics Output Fields 249 Table 13 show ethernet oam lfm status Output Fields 251 Table 14 show ethernet oam lfm summary Output Fields 254 Chapter 8 Configuring Point to Point Protocol 259 Table 15 Supported EAP Types 264 Chapter 9 Configuring Multilink PPP 299 Table 16 Supporte...

Page 28: ... Bridged IP 440 Chapter 15 Configuring Transparent Bridging 465 Table 26 Sample Bridge Group Forwarding Table 467 Table 27 Default Subscriber Policies for Bridge Group Interfaces 468 Table 28 Prerequisite Tasks for Configuring Transparent Bridging 472 Chapter 17 Configuring Dynamic Interfaces 511 Table 29 Differences in Lockout Operation for Dynamic PPPoE Configurations 545 Copyright 2010 Juniper ...

Page 29: ...e information in the latest release notes differs from the information in the documentation follow the JunosE Release Notes To obtain the most current version of all Juniper Networks technical documentation see the product documentation page on the Juniper Networks website at http www juniper net techpubs Audience This guide is intended for experienced system and network specialists working with J...

Page 30: ...raffic class low loss1 Represents text that the user must type Bold text like this host1 show ip ospf 2 Routing Process OSPF 2 with Router ID 5 5 0 250 Router is an Area Border Router ABR Represents information as displayed on your terminal s screen Fixed width text like this There are two levels of access user and privileged clusterId ipAddress Appendix A System Specifications Emphasizes words Id...

Page 31: ...on CD ROMs or DVD ROMs see the Portable Libraries page at http www juniper net techpubs resources index html Copies of the Management Information Bases MIBs for a particular software release are available for download in the software image bundle from the Juniper Networks Web site athttp www juniper net Documentation Feedback We encourage you to provide feedback comments and suggestions so that we...

Page 32: ... juniper net techpubs Find solutions and answer questions using our Knowledge Base http kb juniper net Download the latest versions of software and review release notes http www juniper net customers csc software Search technical bulletins for relevant hardware and software notifications https www juniper net alerts Join and participate in the Juniper Networks Community Forum http www juniper net ...

Page 33: ...Management on page 223 Configuring Point to Point Protocol on page 259 Configuring Multilink PPP on page 299 Configuring Multiclass Multilink PPP on page 345 Configuring Packet over SONET on page 359 Configuring Point to Point Protocol over Ethernet on page 371 Configuring Bridged IP on page 437 Configuring Bridged Ethernet on page 443 Configuring Transparent Bridging on page 465 Configuring Cisco...

Page 34: ...Copyright 2010 Juniper Networks Inc 2 JunosE 11 2 x Link Layer Configuration Guide ...

Page 35: ... on page 20 Creating a Basic Configuration on page 20 Setting Optional Parameters on page 23 Configuring OAM on page 31 Configuring an NBMA Interface on page 37 Creating an NBMA Static Map on page 38 Assigning Descriptions to Interfaces on page 40 Sending Interface Descriptions to AAA on page 41 Configuring Individual ATM PVC Parameters on page 43 Configuring ATM VC Classes on page 52 Configuring ...

Page 36: ...tocols such as ATM require one or more virtual circuits over which data traffic is transmitted to higher layers in the protocol stack Figure 1 on page 4 shows a typical point to point ATM interface column Figure 1 ATM Interface Column ATM Physical Connections ATM interfaces and subinterfaces support two types of connections point to point and multipoint The router defaults to point to point Point ...

Page 37: ...dressing bits of the cell header to move traffic from one link to another A VPC carries many VCCs within it A VPC can be set up permanently between two points and then switched VCCs can be assigned within the VPC easily and quickly The VPC is formed by joining a series of virtual paths which are the logical groups of circuits uniquely defined for each link of the network On a VPC switching is done...

Page 38: ...ion see chapter Configuring Layer 2 Services over MPLS in JunosE BGP and MPLS Configuration Guide VCC Cell Relay Encapsulation E Series routers support virtual channel connection VCC cell relay encapsulation for ATM layer 2 services over MPLS VCC cell relay encapsulation is useful for voice over ATM applications that use AAL2 encapsulated voice transmission VCC cell relay encapsulation enables the...

Page 39: ...determine whether to accept a connection request based on whether allocating the connection s requested bandwidth causes the network to violate the traffic contracts of existing connections CAC is a set of actions that the network takes during connection setup or renegotiation The router supports CAC on PVCs on major ATM interfaces This implementation of CAC determines available bandwidth based on...

Page 40: ...e of the subscription bandwidth is the effective bandwidth of the ATM port The UBR weight enables you to limit the number of UBR connections by assigning a bandwidth or weight to each UBR or VBR with a PCR connection CAC and ATM Bulk Configuration You cannot configure CAC on an ATM interface on which you have created a bulk configured virtual circuit VC range for use by a dynamic ATM 1483 subinter...

Page 41: ...nge of 18 and 4 bits are allocated to the VPI space then 14 bits are left for the VCI space The resulting numeric range is 0 to 2n 1 where n is the number of bits for each space Completing the example if 4 bits were allocated for the VPI space and 14 for the VCI space the configurable range would be 0 to 15 for VPI and 0 to 16 383 for the VCI space To configure the bit range use atm vc per vp on p...

Page 42: ...Protocol Support for information about the modules that support MLPPP Interface Specifiers The configuration task examples in this chapter use the slot port subinterface format to specify an ATM interface However the interface specifier format that you use depends on the router that you are using For ERX7xx models ERX14xx models and ERX310 router use the slot port subinterface format For example t...

Page 43: ...ptember 1999 RFC 2684 obsoletes RFC 1483 ITU T Recommendation I 610 B ISDN Operation and Maintenance Principles and Functions February 1999 Encapsulation Methods for Transport of ATM Over MPLS Networks draft ietf pwe3 atm encap 07 txt April 2005 expiration JunosE Release Notes Appendix A System Maximums See the Release Notes corresponding to your software release for information about maximum valu...

Page 44: ...6 000 configured 20 Configurable 256 OC12 STM4 I O OCx STMx ATM CBR VBR NRT CBR UBR UBR with PCR VBR NRT VBR RT 8000 active 16 000 configured 20 Configurable 1024 OC3 2 GE APS I O OC3 STM1 GE FE CBR VBR NRT CBR UBR UBR with PCR VBR NRT VBR RT 8000 active 16 000 configured Fixed VPI 0 255 VCI 0 65535 1 IOA per slot 2048 2 IOAs per slot 4096 ES2 S1 OC3 8STM1 ATM IOA ES2 4G LM CBR VBR NRT CBR UBR UBR...

Page 45: ...t only IP directly over ATM 1483 The software restricts NBMA interfaces so that all circuits reside on the same physical interface An NBMA interface can use as many PVCs as are available on a physical port ARP Table To maintain the Address Resolution Protocol ARP table you can use either static mapping via the CLI or Inverse ARP InARP InARP provides a way of determining the IP address of the devic...

Page 46: ... removal of the circuit If a subinterface is removed all associated circuits and their associated ARP table entries are removed Operations Administration and Management of ATM Interfaces ATM interfaces support the OAM standards of the ITU per recommendation I 610 OAM provides VC VP integrity and fault and performance management The E Series router supports F4 and F5 ATM OAM fault management loopba...

Page 47: ...e never generates AIS cells The ATM interface responds to the receipt of AIS cells as follows 1 When an ATM interface receives a configurable number of F4 or F5 AIS cells it enters the AIS state 2 While in the AIS state the ATM interface sends F4 or F5 RDI cells to the remote endpoint It sends the RDI cells at the rate of one cell per second for as long as the AIS condition exists For all RDI cell...

Page 48: ...ion OAM cells to the peer The peer replies with a confirmation or denial Activating CC Cell Flow When the router sends a CC activation cell to the peer one of the following occurs If the router receives a positive response Activation Confirmed the VC or VP goes to CC active state and CC is enabled on the VC or VP If the router receives a negative response Activation Req Denied the VC or VP goes to...

Page 49: ...segment and end to end loopback cells to test the reachability of an endpoint or a segment endpoint VC Integrity VC integrity is used to monitor the operational status of an individual VC VC integrity provides continuous ATM VC layer connectivity verification by periodically sending F5 end to end loopback cells on individual PVCs to verify end to end connectivity You can set the frequency with whi...

Page 50: ...ng and outgoing F4 end to end and segment loopback cells ATM Ping With ATM ping you can verify whether a connection endpoint or segment point can be reached on a VC or VP ATM ping uses F4 and F5 loopback cells and is supported only for data circuits and not control circuits ILMI signaling circuits To generate F5 segment loopback cells or end to end loopback cells issue the ping atm command on a VC...

Page 51: ...atic Disabling of F5 OAM Services The router automatically disables all F5 OAM fault management and VC integrity services configured on a VC when you change the administrative status of the corresponding ATM interface ATM AAL5 interface or ATM 1483 subinterface from enabled to disabled To set the administrative status of an interface to disabled use the atm shutdown command for an ATM interface th...

Page 52: ... Guide Also have the following information available Interface specifiers for the ATM interfaces that you want to create For more information about specifying ATM interfaces and subinterfaces on E Series routers see Interface Types and Specifiers in JunosE Command Reference Guide Virtual path and channel numbers for each virtual circuit you want to create IP addresses and subnet mask assignments f...

Page 53: ... Verify your configuration using the appropriate show commands host1 show atm interface atm 0 1 host1 show atm vc atm 0 1 10 host1 show atm subinterface atm 0 1 20 Figure 3 Configuring an ATM Interface Subinterface and PVC ERX14xx models rear view atm pvc Use to configure a PVC on an ATM interface Specify one of the following encapsulation types aal5snap Specifies an LLC encapsulated circuit LLC S...

Page 54: ...on this circuit use the oam keyword Example host1 config if atm pvc 6 0 11 aal5snap cbr 10000 Use the no version to remove the specified PVC See atm pvc interface atm Use to configure an ATM interface or subinterface type To specify an ATM interface for ERX7xx models ERX14xx models and ERX310 router use the slot port subinterface format slot Number of the chassis slot port Port number on the I O m...

Page 55: ...ource host1 config if atm clock internal Configure framing on a T3 E3 physical interface host1 config if atm framing g751adm Enable ILMI on the interface host1 config if atm ilmi enable Set the ILMI keepalive timer host1 config if atm ilmi keepalive 5 Specify the cable length line build out for the ATM interface host1 config if atm lbo long Set the administrative state of the ATM interface to disa...

Page 56: ...st1 config if shutdown Optional Tasks on ATM 1483 Subinterfaces You can perform the following optional tasks on ATM 1483 subinterfaces Set the MTU host1 config subif atm atm1483 mtu 7800 Configure SNMP link status traps host1 config subif atm atm1483 snmp trap link status Set the administrative state of an ATM 1483 subinterface to disabled host1 config subif atm atm1483 shutdown Configure an advis...

Page 57: ...AC to the LNS See LAC Configuration Prerequisites for additional information about the advisory receive speed NOTE If you specify an advisory receive speed greater than 4294967 kbps the speed is not accurately represented in the L2TP AVP which is in bits per second bps The range is 0 2147483647 kbps Example host1 config subif atm atm1483 advisory rx speed 2000 Use the no version to restore the def...

Page 58: ...n command Autoconfiguration is enabled by default Example host1 config if atm auto configuration Use the no version to disable autoconfiguration and set the ILMI parameters to the UNI version configured using the atm uni version command which has a default value of UNI 4 0 See atm auto configuration atm cac Use to enable CAC on the interface You can set a subscription limit so you can oversubscrib...

Page 59: ...on an ATM interface Specify one of the following framing types for a T3 DS3 interface cbitadm c bit with ATM direct mapping cbitplcp c bit with PLCP framing default m23adm M23 ATM direct mapping m23plcp M23 with PLCP framing Specify one of the following framing types for an E3 interface g832adm G 832 ATM direct mapping g751adm G 751 ATM direct mapping g751plcp G 751 PLCP mapping default Example ho...

Page 60: ...n the range 0 225 feet short A cable length in the range 226 450 feet the default Example host1 config if atm lbo long Use the no version to restore the default value short See atm lbo atm shutdown Use to set an ATM interface administrative state to disabled When you set the administrative state of the ATM interface to disabled the router automatically disables all F5 OAM services configured on th...

Page 61: ...u must delete the VC and VP tunnel configuration before you issue this command The specified value must be a power of 2 or an error message is returned The minimum number of VCs per VP is 4096 for OCx STMx ATM line modules If you enter a value that is below the minimum the router uses the minimum value The E120 and the E320 routers support the entire VPI VCI range therefore it does not support thi...

Page 62: ...tunnel See atm vp tunnel ds3 scramble e3 scramble Use to scramble the ATM cell payload on a T3 or an E3 interface DS3 T3 and E3 scrambling assists clock recovery on the receiving end of the interface Example host1 config if ds3 scramble Use the no version to disable scrambling See ds3 scramble See e3 scramble load interval Use to set the time interval at which the router calculates bit and packet ...

Page 63: ...VCs on them VCI 3 For segment F4 flows VCI 4 For end to end F4 flows NOTE You cannot enable both loopback cells and CC cells at the same time To set up F4 OAM 1 Enable F4 OAM on an interface or VP The router enables F4 OAM at the interface level unless you specify a VPI This example opens both segment and end to end F4 OAM circuits on VPI 10 host1 config if atm oam 10 2 Optional Enable only segmen...

Page 64: ... transmitted You can set the loopback timer only for end to end loopback Example 1 Opens both F4 end to end and segment OAM circuits for VPI 8 host1 config if atm oam 8 Example 2 Opens the F4 end to end OAM circuit for VPI 10 and enables sending F4 end to end loopback cells on the circuit at a frequency of 20 seconds host1 config if atm oam 10 end loopback loopback timer 20 Example 3 Opens both F4...

Page 65: ...end loopback cells host1 config if atm pvc 98 38 22 aal5snap oam 300 2 Optional To enable CC cell flows on a circuit use the cc keyword with the atm pvc command You can enable cell flows on a segment or end to end basis and you can enable the PVC as a sink source or both a sink and a source host1 config if atm pvc 50 0 50 aal5snap oam cc end to end sink When you issue the appropriate shutdown comm...

Page 66: ...hout the oam keyword to disable F5 OAM on the PVC and without the cc keyword to disable CC cell flows on the PVC For example the following command disables CC cell flow configured in Example 2 host1 config if no atm pvc 5 0 5 aal5autoconfig See atm pvc Setting a Loopback Location ID To enable other nodes to specifically send OAM loopback cells to the ATM interface set the location ID of the ATM in...

Page 67: ...t want to exclude alarm conditions NOTE The OAM flush feature is supported on all E Series ATM module combinations atm oam flush Use to configure the router to ignore all OAM cells received on an ATM interface and to stop sending OAM cells on this interface To cause the router to ignore only AIS and RDI cells and to accept all other OAM cells use the alarm cells keyword Example host1 config if atm...

Page 68: ...or to 0s zeros or 1s ones If you set the destination to 0 the loopback location ID in the loopback cell is initialized to all 0s and each segment point in the network responds to the ping If you set the destination to 1s the loopback location ID in the loopback cell is initialized to all 1s and only the connection endpoint responds to the ping If you use the default value of 0xFFFFFFFF the loopbac...

Page 69: ... the subinterface defaults to point to point and only a single circuit can be affiliated with that subinterface You can configure one or more PVCs and associate them with the subinterface you create Also you can enable InARP and identify a refresh rate on each specific circuit For each NMBA interface either InARP must be enabled or a static map entry must be provided for each circuit owned by the ...

Page 70: ...ing the results To set up a static map 1 Create a map list by naming it host1 config map list charlie 2 Associate a protocol and an address with a specific virtual circuit host1 config map list ip 192 168 13 13 atm vc 1 broadcast 3 Specify an ATM interface host1 config if interface atm 2 0 4 Associate the map list with the interface host1 config if map group charlie atm pvc Use to configure a PVC ...

Page 71: ... host1 config map list ip 192 168 13 13 atm vc 1 broadcast Use the no version to remove the association See ip atm vc map group Use to associate the map list with an NBMA interface when configuring static mapping You can issue this command before or after the map list command without changing anything This command is available in Interface Configuration mode only See the map list command Example h...

Page 72: ... atm aal5 description boston01 Use the no version to remove the text description or alias See atm aal5 description atm atm1483 description Use to assign a text description or alias to an ATM 1483 subinterface The description can be a maximum of 255 characters Use the show atm subinterface command to display the text description Example host1 config subif atm atm1483 description nyc33 Use the no ve...

Page 73: ...e VP description does not affect existing descriptions configured for the ATM interface or ATM 1483 subinterface on which the VP resides However if you delete the ATM interface the descriptions of all VPs residing on that interface are also deleted In addition if you decrease the VPI range by issuing the atm vc per vp command the router deletes the descriptions of any VPs that are removed To displ...

Page 74: ...ace descriptions to the line module Descriptions for ATM 1483 subinterfaces are configured with the atm atm1483 description command The description can have up to 255 characters however when the description is sent to the line module it is truncated to 32 characters Example host1 config atm atm1483 export subinterface description Use the no version to restore the default behavior in which ATM 1483...

Page 75: ... mode are less complex and easier to use With the atm pvc command and keywords you configure multiple PVC attributes on a single command line In addition configuration attributes available only for control ILMI and signaling PVCs or only for data PVCs are not mutually exclusive By contrast ATM VC Configuration mode provides commands to configure each parameter individually and makes a clearer dist...

Page 76: ... an ATM 1483 subinterface that is stacked above an ATM major interface To create a control PVC you issue the pvc command from Interface Configuration mode However unlike the other tasks in this section configuring a control PVC with the pvc command does not access ATM VC Configuration mode For example the following commands create a control PVC with VCD 10 VPI 0 VCI 16 and ILMI encapsulation host1...

Page 77: ...nd default values for the other attributes Issuing the exit command causes the configuration to take effect host1 config interface atm 3 2 2 host1 config subif pvc 32 0 100 host1 config subif atm vc exit host1 config subif Regardless of whether you use the pvc command or the atm pvc command to create a data PVC you cannot modify the VCD VPI or VCI values after they have been configured pvc Use fro...

Page 78: ... 599040 for OC12 ATM modules You must issue the exit command from ATM VC Configuration mode for the configuration to take effect Example host1 config subif atm vc cbr 15000 host1 config subif atm vc exit Use the no version to restore the default service category UBR without a PCR See cbr ubr Use to configure the UBR service category on an ATM data PVC You can optionally specify a PCR in Kbps in th...

Page 79: ...e 0 149760 for OC3 ATM modules or 0 599040 for OC12 ATM modules Maximum burst size MBS in cells in the range 0 16777215 You must issue the exit command from ATM VC Configuration mode for the configuration to take effect Example host1 config subif atm vc vbr rt 200000 30000 400 host1 config subif atm vc exit Use the no version to restore the default service category UBR without a PCR See vbr rt Con...

Page 80: ...l datagram this is the default encapsulation method You must issue the exit command from ATM VC Configuration mode for the configuration to take effect Example host1 config subif atm vc encapsulation aal5mux ip host1 config subif atm vc exit Use the no version to restore the default encapsulation method aal5snap See encapsulation Configuring F5 OAM for Data PVCs In ATM VC Configuration mode you ca...

Page 81: ...red with the oam ais rdi command include the alarm down count 2 and alarm clear timeout duration 4 seconds Issuing the exit command causes the configuration to take effect host1 config interface atm 3 0 0 host1 config subif pvc 32 0 32 host1 config subif atm vc oam retry 4 6 2 host1 config subif atm vc oam ais rdi 2 4 host1 config subif atm vc exit host1 config subif oam ais rdi Use to configure s...

Page 82: ...int host1 config subif atm vc oam cc source host1 config subif atm vc exit Example 2 Opens an F5 OAM CC segment cell flow and enables CC verification with a sink endpoint host1 config subif atm vc oam cc segment sink host1 config subif atm vc exit Use the no version to disable F5 OAM CC verification and restore the default setting for cell termination end to end See oam cc oam pvc Use to enable ge...

Page 83: ... To configure these VC integrity parameters you must use the oam retry command in ATM VC Configuration mode There is no equivalent atm pvc command to configure these parameters You must issue the exit command from ATM VC Configuration mode for the configuration to take effect Example host1 config subif atm vc oam retry 5 6 3 host1 config subif atm vc exit Use the no version to restore the default ...

Page 84: ...ata PVC A VC class is a set of attributes for a virtual circuit VC that can include the service category encapsulation method F5 OAM options and Inverse ARP After you configure the VC class you then apply the attributes in the class as a group by assigning the VC class to one of the following An individual PVC All PVCs created on a specified static ATM major interface All PVCs created on a specifi...

Page 85: ...s associated with the PVCs for that subscriber group This method is easier and less time consuming than having to modify the attributes for a large number of PVCs by using individual CLI commands Modifications to the attributes in a VC class affect PVCs that are already associated with this VC class as well as PVCs subsequently created for this class Precedence Levels Precedence levels play an imp...

Page 86: ...profile the router applies the default values for the commands listed in Table 8 on page 56 For information about the default value for each command see the command descriptions in Configuring VC Classes on page 56 Precedence Level Examples For examples that illustrate how precedence levels affect the assignment of VC classes see Precedence Level Examples for Assigning VC Classes on page 64 To hel...

Page 87: ...lease the output of the show configuration command uses the atm pvc command format to display configuration information for ATM PVCs created with the atm pvc command For example assume that you created a PVC in JunosE Release 7 3 x or Release 8 0 x by issuing the command atm pvc 2 0 33 aal5snap 0 0 0 The show configuration command in the current JunosE Software release displays the identifier for ...

Page 88: ...ributes oam pvc cbr oam retry encapsulation ubr inarp vbr nrt oam ais rdi vbr rt oam cc For example the following commands configure two VC classes premium subscriber class and dsl subscriber class You must issue the exit command from ATM VC Class Configuration mode for each VC class configuration to take effect Configure VC class premium subscriber class host1 config vc class atm premium subscrib...

Page 89: ...ult values host1 config vc class atm default subscriber class host1 config vc class exit host1 config To verify the VC class configuration use the showatmvc class command For information about how to use this command see show atm vc class on page 96 cbr Use to configure the CBR service category on an ATM data PVC For detailed information about how to use this command see cbr on page 46 You must is...

Page 90: ...nd see oam ais rdi on page 49 You must issue the exit command from ATM VC Class Configuration mode for the configuration to take effect Example host1 config vc class oam ais rdi 5 10 host1 config vc class exit Use the no version to restore the default values for the alarm down count 1 successive alarm cell and alarm clear timeout duration 3 seconds See oam ais rdi oam cc Use to enable F5 OAM CC ve...

Page 91: ... oam pvc oam retry Use to configure F5 OAM VC integrity parameters on an ATM data PVC For detailed information about how to use this command see oam retry on page 51 You must issue the exit command from ATM VC Class Configuration mode for the configuration to take effect Example host1 config vc class oam retry 5 6 3 host1 config vc class exit Use the no version to restore the default values for th...

Page 92: ...ration to take effect Example host1 config vc class vbr rt 200000 30000 400 host1 config vc class exit Use the no version to restore the default service category UBR without a PCR See vbr rt vc class atm Use to create and name a VC class for an ATM data PVC You must specific a VC class name of up to 32 alphanumeric characters The vc class atm command accesses ATM VC Class Configuration mode from w...

Page 93: ...VC with VCD 2 VPI 0 and VCI 200 Assign VC class premium subscriber class to PVC 2 0 200 host1 config interface atm 2 0 200 host1 config subif pvc 200 0 200 host1 config subif atm vc class vc premium subscriber class host1 config subif atm vc exit For those attributes that you do not explicitly specify for the ATM PVC the router applies the values specified in the VC class As explained in Precedenc...

Page 94: ...ss assigned to an individual ATM PVC Values in a VC class assigned to an ATM 1483 subinterface This means that if a VC class is assigned to an individual PVC or ATM 1483 subinterface configured on the major interface the attribute values configured in the VC class assigned to the PVC or subinterface override the attribute values configured in the VC class assigned to the major interface For exampl...

Page 95: ...his means that if a VC class is assigned to a PVC configured on the subinterface the attribute values configured in the VC class assigned to the individual PVC override the attribute values configured in the VC class assigned to the subinterface For examples that illustrate how precedence levels affect the assignment of VC classes see Precedence Level Examples for Assigning VC Classes on page 64 c...

Page 96: ... VC class assignment Finally Example 4 illustrates how modifications to a VC class affect PVC attributes applied through RADIUS Example 1 Explicitly Changing the Service Category Explicitly specified attribute values take precedence over attribute values specified in a VC class As a result the following commands cause the router to use the most recent explicitly specified value UBR with a PCR of 2...

Page 97: ...ult the router continues to use aal5mux ip as the encapsulation method for this PVC instead of the encapsulation method specified in the VC class my premium class host1 config interface atm 2 0 300 host1 config subif atm pvc 300 0 300 aal5mux ip host1 config subif pvc 300 0 300 host1 config subif vc class vc my premium class host1 config subif vc exit Example 4 Overriding RADIUS Values If RADIUS i...

Page 98: ...to set a statistics baseline display bit rate and packet rate statistics for ATM virtual circuits VCs and use the show commands to view your ATM configuration and monitor ATM VCs and VPs NOTE The E120 and E320 routers output for monitor and show commands is identical to output from other E Series routers except that the E120 and E320 routers output also includes information about the adapter ident...

Page 99: ...ying Interface Rate Statistics for ATM VCs and ATM VPs You can use the following commands to display bit rate and packet rate statistics over a specified time interval for one or more ATM virtual circuits VCs or virtual paths VPs configured on the router To monitor the data rate for ATM VCs use the monitor atm vc command To monitor the data rate for ATM VPs use the monitor atm vp command To monito...

Page 100: ... 98008 80 10 43 21 ATM 8 0 1 5 98008 80 98008 80 10 43 21 host1 monitor atm vp atm 12 0 0 atm 12 0 1 load interval 15 display time of day Seconds between Time Interface VPI polls Input bps pps Output bps pps UTC ATM 12 0 0 0 09 47 18 ATM 12 0 1 0 09 47 18 ATM 12 0 0 15 6635792 6480 6635792 6480 09 47 33 ATM 12 0 1 15 6635312 6479 6635312 6479 09 47 33 ATM 12 0 0 15 6635176 6479 6635176 6479 09 47 ...

Page 101: ...rate statistics over a specified time interval for one or more ATM VCs Use the monitor atm vp command to display bit rate and packet rate statistics over a specified time interval for one or more ATM VPs You must use either command in a dedicated console or terminal session for the duration of the monitoring session Specify the interface identifier and VCD for each ATM VC or VPI for each ATM VP th...

Page 102: ...val for two ATM VCs with the time of day that the statistics were calculated host1 monitor atm vc atm 12 0 100 atm 12 0 200 display time of day Seconds between Time Interface VCD polls Input bps pps Output bps pps UTC ATM 12 0 100 0 17 33 06 ATM 12 0 200 0 17 33 06 ATM 12 0 100 5 6635104 6479 6635104 6479 17 33 11 ATM 12 0 200 5 6633264 6477 6633472 6478 17 33 11 ATM 12 0 100 5 6632856 6477 663285...

Page 103: ...E System Basics Configuration Guide show atm aal5 interface Use to display information about a configured ATM AAL5 interface Field descriptions AAL5 Interface operational status Operational status of the AAL5 interface up down lowerlayerDown time since last status change Time since last reported change to the AAL5 interface operational status SNMP trap link status Whether SNMP link status traps ar...

Page 104: ... 0 OutDiscards 0 See show atm aal5 interface show atm atm1483 Use to display whether or not the router is set up to export ATM 1483 subinterface descriptions to the line module Example host1 show atm atm1483 ATM1483 IF Descriptions exported See show atm atm1483 show atm interface show interfaces atm Use to display configuration and state information and statistics about a specific ATM interface or...

Page 105: ...e since last status change Time since last reported change to the AAL5 operational status ATM operational status Operational status of the ATM interface up down lowerLayerDown time since last status change Time since last reported change to the ATM operational status UNI version UNI version 3 0 3 1 4 0 Maximum VCs Maximum number of virtual circuits supported on this interface Current VCs Current n...

Page 106: ...ansmitted on this interface OutBytes Number of bytes transmitted on this interface OutCells Number of cells transmitted on this interface InErrors Number of incoming errors received on this interface OutErrors Number of outgoing errors on this interface InPacketDiscards Number of incoming packets discarded on this interface InByteDiscards Number of incoming bytes discarded on this interface InCell...

Page 107: ...nterface identifier Status Status of the ATM interface up down lowerLayerDown Configured VCs Number of VCs configured on the interface Example 1 Displays information about a specific interface host1 show atm interface atm 2 0 ATM Interface 2 0 is down line protocol is down AAL5 operational status lowerLayerDown time since last status change 22 08 21 ATM operational status down time since last stat...

Page 108: ...le 2 Shows a summary of all ATM interfaces host1 show atm interface brief Configured Interface Status VCs ATM 2 0 up 2 ATM 2 1 up 3 ATM 2 2 lowerLayerDown 4 ATM 2 3 down 5 ATM 4 0 up 2 ATM 6 0 lowerLayerDown 2 See show atm interface See show interfaces show atm map Use to display the list of all configured ATM static maps to remote hosts on an ATM network Field descriptions Map list Name of map li...

Page 109: ...168 2 20 maps to VC 11 atm 2 0 broadcast ip 192 168 2 30 maps to VC 12 atm 2 0 See show atm map show atm oam Use to display F4 OAM statistics for an ATM interface You must specify a VPI value in addition to the required ATM interface specifier You can use the following keywords segment Displays information about segment loopbacks end to end Displays information about end to end loopbacks To see F4...

Page 110: ...is in AIS state RDI Circuit is in RDI state VP Segment Oam State not managed Circuit is in normal OAM state no OAM fault conditions AIS Circuit is in AIS state RDI Circuit is in RDI state InOamF4Cells Number of F4 OAM cells received InOamF4CellsDropped Number of incoming F4 OAM cells that were dropped InOamF4EndLoopbackCells Total number of F4 end to end loopback cells received on this interface w...

Page 111: ...this interface which is the sum of the following counts OutOamF4EndLoopbackCommands Number of F4 end to end loopback commands sent OutOamF4EndLoopbackResponses Number of F4 end to end loopback responses sent OutOamF4SegLoopbackCells Total number of F4 segment loopback cells sent on this interface which is the sum of the following counts OutOamF4SegLoopbackCommands NumberofF4segmentloopbackcommands...

Page 112: ...lls 0 InOamF4EndCCCells 0 InOamF4SegCCCells 0 OutOamF4Cells 0 OutOamF4EndLoopbackCells 0 OutOamF4EndLoopbackCommands 0 OutOamF4EndLoopbackResponses 0 OutOamF4SegLoopbackCells 0 OutOamF4SegLoopbackCommands 0 OutOamF4SegLoopbackResponses 0 OutOamF4EndRdiCells 0 OutOamF4SegRdiCells 0 OutOamF4EndCCActDeActCells 0 OutOamF4SegCCActDeActCells 0 OutOamF4EndCCCells 0 OutOamF4SegCCCells 0 Time since last st...

Page 113: ...utOamF4EndLoopbackCommands 0 OutOamF4EndLoopbackResponses 0 OutOamF4EndRdiCells 0 OutOamF4EndCCActDeActCells 0 OutOamF4EndCCCells 0 Time since last status change 00 00 53 See show atm oam show atm ping Use to show all existing ping entries both completed and outstanding Remember that ping statistics are overwritten when a new ping is issued on the circuit You can specify the following options to s...

Page 114: ...Ping Not Started Ping operation is not started you may see this via SNMP Ping Stopped Ping operation was manually stopped Ping Stopped OAM Down atm oam flush command was issued when ping was enabled ATM Interface Down Ping operation is stopped as a result of interface down operational status OAM Flow Type Segment End to end Example 1 Displays all entries in the router host1 show atm ping Interface...

Page 115: ...20 and E320 routers use the slot adapter port subinterface format slot Number of the chassis slot adapter Identifier for the IOA within the E320 chassis either 0 or 1 where 0 indicates that the IOA is installed in the right IOA bay E120 router or the upper IOA bay E320 router 1 indicates that the IOA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on ...

Page 116: ...odify an ATM 1483 subinterface These guidelines also apply to E120 and E320 routers when you use the atm slot adapter port vpi vci format as an alternative to the atm slot adapter port subinterface format For more information see Creating a Basic Configuration on page 20 Field descriptions Interface Interface identifier ATM Prot One of the following ATM protocol types RFC 1483 Multiprotocol encaps...

Page 117: ...3 subinterface is administratively disabled or has a circuit that is down or not configured lowerLayerDown Indicates that a lower layer interface below the ATM 1483 subinterface is down up Indicates that the ATM 1483 subinterface is up and able to transfer data For an ATM 1483 subinterface that supports one or more dynamic upper layer interfaces indicates that the router has created the dynamic up...

Page 118: ...tus Trap link status enabled or disabled Advisory receive speed Configured receive speed in Kbps for the dynamic ATM 1483 subinterface The E Series LAC sends this value to the LNS in the RX Connect Speed AVP 38 InPackets Number of packets received on this interface InBytes Number of bytes received on this interface OutPackets Number of packets transmitted on this interface OutBytes Number of bytes...

Page 119: ...ow atm subinterface atm 2 0 101 Circuit Interface Interface ATM Prot VCD VPI VCI Type Encap MTU Status Type ATM 2 0 101 RFC 1483 101 0 101 PVC AUTO 9180 dormantLockout Static Auto configure status dynamic Auto configure interface s IP bridgedEthernet PPP PPPoE Detected 1483 encapsulation AUTO Detected dynamic interface none Interface types in lockout IP Lockout state seconds Min Max Current Elapse...

Page 120: ...e assigned Assigned profile BridgedEnet none assigned Assigned profile PPP none assigned Assigned profile PPPoE pppoeprofile Assigned profile any none assigned Assigned VC class dsl subscriber class SNMP trap link status disabled Advisory receive speed 2000 InPackets 5119 InBytes 358672 OutPackets 5107 OutBytes 357510 InErrors 0 OutErrors 0 InPacketDiscards 3 InPacketsUnknownProtocol 0 OutDiscards...

Page 121: ...PI Starting virtual path identifier inclusive of the reserved VC range Start VCI Starting virtual circuit identifier inclusive of the reserved VC range End VPI Ending virtual path identifier inclusive of the reserved VC range End VCI Ending virtual circuit identifier inclusive of the reserved VC range Example 1 Displays all VCs and reserved VC ranges on the router host1 show atm vc Cate Rx Tx Rx T...

Page 122: ...c vpi 0 category cbr status up Cate Rx Tx Rx Tx Rx Tx Sta Interface VPI VCI VCD Type Encap gory Peak Avg Burst tus ATM 3 0 2 0 101 4375 PVC AUTO CBR 1000 0 0 UP 1 circuit s found that match the filter criteria Example 5 Displays all reserved VC ranges on the router host1 show atm vc reserved Reserved VCC ranges Start Start End End Interface VPI VCI VPI VCI ATM 2 0 2 100 2 102 ATM 2 0 3 300 3 303 2...

Page 123: ...er of incoming packets discarded on this circuit InPacketUnknownProtocol Number of incoming packets with an unknown protocol type InByteDiscards Number of incoming bytes discarded on this circuit CrcErrors Number of CRC errors detected on this circuit SAR time outs Number of segmentation and reassembly SAR timeouts reached on this circuit Over sized SDUs Number of oversized service data units SDUs...

Page 124: ...ed when enabled in seconds OAM up retry count Number of consecutive successfully looped OAM cells required to mark the VC as Up OAM down retry count Number of consecutive unsuccessfully looped OAM cells required to mark the VC as Down OAM loopback retry frequency Frequency with which OAM cells are transmitted in verification mode in seconds OAM CC verification Whether CC verification is enabled or...

Page 125: ...f the following counts InF5SegLoopCommands Number of F5 segment loopback commands received InF5SegLoopResponses Number of F5 segment loopback responses received InF5EndAisCells Number of F5 end to end AIS cells received on this circuit InF5SegAisCells Number of F5 segment AIS cells received on this circuit InF5EndRdiCells Number of F5 end to end RDI cells received on this circuit InF5SegRdiCells N...

Page 126: ...n this circuit OutF5SegCCCells Number of F5 segment CC cells transmitted on this circuit Circuit is Up Down Status of the circuit and time since the status of the circuit last changed Example 1 Displays statistics for the VC with a VPI of 46 and a VCI of 47 host1 show atm vc atm 2 0 vpi vci 46 47 ATM 2 0 1 1 VCD 45 VPI 46 VCI 47 Encap AAL5 AUTO Service Type Ubr Inverse ARP enable No Assigned VC cl...

Page 127: ...5EndCCCells 1 OutF5SegCCCells 0 Circuit is Up time since last change 5 days 23 hours Example 2 Displays statistics for the VC that resides on the ATM 1483 subinterface configured with the specified description myAtm301 host1 show atm vc myAtm301 ATM3 0 1 VCD 10 VPI 5 VCI 100 Encap SNAP Service Type Ubr Assigned VC class dsl subscriber class InPackets 0 InBytes 0 InCells 0 OutPackets 0 OutBytes 0 O...

Page 128: ...only the names of all VC classes configured on the router use the command with no keywords To display detailed configuration information about a particular VC class specify the name of the VC class To display the settings for parameters in the VC class that are configured with default values use the include defaults keyword Field descriptions Encapsulation Type Encapsulation method configured in t...

Page 129: ...the PVC enabled or disabled Inverse ARP Status of Inverse ARP InARP on the PVC enabled or disabled Example 1 host1 show atm vc class premium subscriber class dsl subscriber class found 2 VC class entrie s in the system Example 2 host1 show atm vc class premium subscriber class Encapsulation Type AUTO Service Category CBR Peak Cell Rate 200 kbps OAM VC Integrity enabled OAM VC Integrity loop back t...

Page 130: ...ot transmitted on this VP due to errors InPacketDiscards Number of incoming packets discarded InPacketUnknownProtocol Number of incoming packets with an unknown protocol type InByteDiscards Number of incoming bytes discarded CrcErrors Number of CRC errors detected SAR time outs Number of segmentation and reassembly SAR timeouts reached Over sized SDUs Number of oversized service data units SDUs re...

Page 131: ...ndLoopbackResponses Number of F4 end to end loopback responses transmitted OutOamF4EndRdiCells Number of F4 end to end RDI cells transmitted OutOamF4EndCCActDeActCells Number of F4 end to end activation or deactivation CC cells transmitted OutOamF4EndCCCells Number of F4 end to end CC cells transmitted Time since last status change Time since last reported change to the end to end OAM circuit stat...

Page 132: ...itted OutOamF4SegCCCells Number of F4 segment CC cells transmitted Time since last status change Time since last reported change to the segment OAM circuit status VP Description Text description for this VP if configured Example host1 show atm vp atm 12 0 1 Maximum VCI per VPI 65535 Current VCs 3 InPackets 1604710953 InBytes 205403001984 InCells 519165564 OutPackets 1604632002 OutBytes 20539289625...

Page 133: ...tCells 0 OutOamF4SegCCCells 0 Time since last status change 08 48 44 VP Description ATM 12 0 VPI 1 See show atm vp show atm vp description Use to display VP descriptions configured using the atm vp description command To display all VP descriptions configured on the router issue the command without an ATM identifier or VPI number Example 1 To display all VP descriptions for a particular ATM interf...

Page 134: ...tifier Type VP tunnel traffic management type Kbps Rate in Kbps Description Text description for the VP if configured Example host1 show atm vp tunnel 9 1 Intfc VPI Type Kbps Description ATM 9 1 2 Cbr 4096 atm91Vpi2Subscribers See show atm vp tunnel show mpls cross connects atm Use to display all ATM cross connects passthrough connections between local subinterfaces See section Monitoring ATM Cros...

Page 135: ...erface Interface specifier of the entry Example host1 show nbma arp NBMA ARP Table Entries IP Address VPI VCI Interface 1 1 1 2 0 100 4 1 2 2 2 2 0 101 4 1 See show nbma arp 103 Copyright 2010 Juniper Networks Inc Chapter 1 Configuring ATM ...

Page 136: ...Copyright 2010 Juniper Networks Inc 104 JunosE 11 2 x Link Layer Configuration Guide ...

Page 137: ...ll processing at the network layer and greatly restricts data link layer processing Such simplified processing is possible because of the availability of virtually error free physical connections and the presence of intelligent protocols at the end user site which can detect and retransmit faulty or discarded packets Frame Relay shifts responsibility for error recovery and flow control to the end ...

Page 138: ...sses to a single multicast data link connection identifier DLCI and delivers copies of a single Frame Relay packet to each member of the group NOTE The E Series router supports only unicast addressing User to Network and Network to Network Interfaces The Frame Relay User to Network Interface UNI is a protocol that permits users to access private or public Frame Relay networks and to establish a co...

Page 139: ...dule Requirements For information about the modules that support Frame Relay interfaces on ERX14xx models ERX7xx models and the ERX310 router See ERX Module Guide Table 1 Module Combinations for detailed module specifications See ERX Module Guide Appendix A Module Protocol Support for information about the modules that support Frame Relay Interface Specifiers The interface specifier format that yo...

Page 140: ... Annex A Before You Configure Frame Relay Before you attempt to configure a Frame Relay interface configure the physical line interface over which Frame Relay traffic flows This process is described in the following chapters Chapter Configuring Channelized T3 Interfaces in JunosE Physical Layer Configuration Guide Chapter Configuring T3 and E3 Interfaces in JunosE Physical Layer Configuration Guid...

Page 141: ...host1 config interface serial 3 1 2 1 1 10 Optional Assign a text description or an alias to the subinterface host1 config subif frame relay description westford011 11 Optional Enable SNMP link status processing on the subinterface host1 config subif snmp trap frame relay link status 12 Add a circuit to a subinterface host1 config subif frame relay interface dlci 17 ietf 13 Assign a local IP addre...

Page 142: ...onfig if encapsulation frame relay ietf Use the no version to remove Frame Relay configuration from an interface See encapsulation frame relay ietf frame relay description Use to assign a text description or an alias to a Frame Relay interface or subinterface You can use this command to help you identify the interface and keep track of interface connections The description or alias can be a maximu...

Page 143: ... a different DLCI to refer to the same connection The router does not support switched virtual circuits SVCs An SVC is an any to any connection that can be established or removed as needed With SVCs you initiate calls using Frame Relay by requesting a destination address and assigning a DLCI which is established for the duration of the call Example host1 config subif frame relay interface dlci 17 ...

Page 144: ...ing as an NNI Use the frame relay lmi n391dte command to set the N391 full status polling counter When you set this counter to a number n the nth request is a full status request The range is 1 255 event messages The default is 6 event messages Use the frame relay lmi n392dte or frame relay lmi n392dce command to set the N392 error threshold counter which specifies the number of errors within N393...

Page 145: ...relay lmi t391dte See frame relay lmi t392dce frame relay lmi type Use to configure one of the local management interface types LMI provides configuration and status information relating to the virtual circuits operating over Frame Relay LMI specifies polling mechanisms to receive incremental and full status updates from the network E Series routers conform to the following LMI specifications ansi...

Page 146: ...oup subinterface NOTE Before you configure Frame Relay see the appropriate chapter in this guide for details on configuring physical interfaces slot Router chassis slot port CT3 T3 or E3 module I O port channel T1 DS1 channel subchannel Set of DS0 timeslots See section Fractional T1 in JunosE Physical Layer Configuration Guide subinterface User assigned nonnegative number that identifies a Frame R...

Page 147: ...s serial command to display information about the serial interfaces you configured For more information about the descriptions of the fileds displayed in the output of this command see the show interfaces serial section in JunosE Physical Layer Configuration Guide For example for a channelized T3 interface see the Monitoring Interfaces section in JunosE Physical Layer Configuration Guide Example h...

Page 148: ...ntation only at the endpoints End to end fragmentation and reassembly are supported only on non multilink Frame Relay interfaces on cOC12 STM4 and CT3 12 FO modules You configure end to end fragmentation at the Frame Relay subinterface level Fragmentation is applied to all PVCs associated with the subinterface In most cases fragmentation and reassembly are used together Fragmentation and reassembl...

Page 149: ...le end to end fragmentation and reassembly is configured on a single subinterface with a 100 byte fragment size maximum payload size All tasks are mandatory unless otherwise noted NOTE The procedure described in this section assumes that a physical interface has been configured See Before You Configure Frame Relay on page 108 To configure end to end fragmentation and reassembly 1 Create a map clas...

Page 150: ...ion and reassembly for the map class Specify the keyword fragmentation only to specify only fragmentation so that reassembly is not performed Specify the keyword reassembly only to specify only reassembly so that fragmentation is not performed Specify the maximum payload size of a fragment by using a value from 16 8188 bytes If a value is not specified the default value of 52 bytes is used Make su...

Page 151: ...he DLCIs are not on the same physical line the end devices at two different ends of a connection may use a different DLCI to refer to the same connection The router does not support SVCs An SVC is an any to any connection that can be established or removed as needed With SVCs you initiate calls using Frame Relay by requesting a destination address and assigning a DLCI which is established for the ...

Page 152: ...p class Example host1 config map class frame relay testmap Use the no version to remove a map class See map class frame relay Monitoring Frame Relay Use the show frame relay commands described in this section to monitor Frame Relay interfaces You can set a statistics baseline for Frame Relay interfaces subinterfaces or circuits using the baseline frame relay command You can use the output filterin...

Page 153: ...me baseline timestamp You cannot set separate baselines Use the optional delta keyword with Frame Relay show commands to specify that baselined statistics are to be shown Example host1 baseline frame relay interface serial 2 0 1 1 host1 show frame relay interface delta Frame relay interface 2 0 1 1 status is lowerLayerDown Number of interface down transitions is 0 Time since last status change 21 ...

Page 154: ...terface Out errors Number of outbound errors transmitted on the interface In discards Number of inbound packets discarded Out discards Number of outbound packets discarded In unknown protos Number of packets received on the interface with unknown protocols Time since last status change Time since the last status change on the interface Example host1 show frame relay interface Frame relay interface...

Page 155: ...er of LMI full status enquiries sent by the DTE on this interface Enquiry responses received Total number of LMI full and regular status responses received by the DTE on this interface Full enquiry responses received Total number of LMI full status responses received by the DTE on this interface Async updates received Total number of LMI asynchronous updates received by the DTE on this interface U...

Page 156: ...erface Example host1 show frame relay lmi LMI information for frame relay NNI interface 3 2 1 1 DTE Parameter N391 is 6 N392 is 3 N393 is 4 T391 is 10 DCE Parameter N392 is 2 N393 is 2 T392 is 15 Configured LMI type is ANSI status is up Time since last status change 01 21 14 Enquiries received 1232 Full enquiries received 207 Enquiry responses sent 1232 Full enquiry responses sent 207 Async update...

Page 157: ...xb8 Frame relay sub interface 3 2 1 1 7 up DLCI 107 0x6b 0xb8 Frame relay sub interface 3 2 1 1 8 up DLCI 108 0x6c 0xd8 Frame relay sub interface 3 2 1 1 9 up DLCI 109 0x6d 0xd8 Frame relay sub interface 3 2 1 1 10 up DLCI 110 0x6e 0xf8 Frame relay sub interface 3 2 1 1 11 up DLCI 111 0x6f 0xf8 Frame relay sub interface 3 2 1 1 12 up DLCI 112 0x70 0x1c Frame relay sub interface 3 2 1 1 17 up DLCI ...

Page 158: ... congestions may be experienced by data traffic in the direction of the frame carrying the FECN bit The FECN bit is set by the network not by the transmitting user and there is no obligation for end systems to take any action regarding the FECN bit Out FECN pkts Number of packets transmitted with the FECN bit set In BECN pkts Number of packets received with the backward explicit congestion notific...

Page 159: ...e since creation 03 27 28 last status change 01 21 29 In pkts 0 Out pkts 0 In bytes 0 Out bytes 0 In FECN pkts 0 Out FECN pkts 0 In BECN pkts 0 Out BECN pkts 0 In DE pkts 0 Out DE pkts 0 Dropped pkts 0 See show frame relay pvc show frame relay subinterface Use to display the state of the Frame Relay subinterface The subinterface can be in one of the following states Up Traffic can flow on the inte...

Page 160: ... discarded In unknown protos Number of packets received on the subinterface with unknown protocols Example host1 show frame relay subinterface Frame relay sub interface 3 2 1 1 1 status is up Description toronto011 Time since last status change 01 21 26 In bytes 0 Out bytes 0 In frames 0 Out frames 0 In errors 0 Out errors 0 In discards 0 Out discards 0 In unknown protos 0 Frame relay sub interfac...

Page 161: ... Traffic cannot flow because of a problem in the network Unavailable Traffic cannot flow because hardware is unavailable Example host1 show frame relay summary 28 interface s defined 28 up 0 down 840 sub interface s defined 840 up 0 down 840 circuit s defined 840 up 0 down See show frame relay summary 129 Copyright 2010 Juniper Networks Inc Chapter 2 Configuring Frame Relay ...

Page 162: ...Copyright 2010 Juniper Networks Inc 130 JunosE 11 2 x Link Layer Configuration Guide ...

Page 163: ...consist of multiple physical links of the same type such as multiple asynchronous lines or can consist of physical links of different types such as leased synchronous lines and dial up asynchronous lines The router treats MLFR like nonmultilink Frame Relay Packets received with an MLFR header are subject to sequencing Packets received without the MLFR header cannot be sequenced and can be delivere...

Page 164: ...an MLFR bundle support the MLFR Link Integrity Protocol LIP LIP offers several types of messages which allow member links to join and leave a bundle See Table 9 on page 132 Table 9 LIP Messages and Functions Function LIP Message Member link sends this message to request to join a bundle Add Link Member link sends this message when it receives an Add Link message Add Link Ack Member link sends this...

Page 165: ...or nonmultilink Frame Relay See Figure 7 on page 133 Figure 7 Structure of MLFR The MLFR Link Integrity Protocol runs on each link in a bundle However from the major Frame Relay interface the bundle upward the interface stacking is the same as for nonmultilink Frame Relay For example LMI runs only on the bundle The bundle sends and receives all MLFR packets Platform Considerations You can configur...

Page 166: ...cember 1997 ANSI T1 617 Annex D ITU T Q 933 Annex A Supported MLFR Features E Series routers support the following MLFR features on the cOCx STMx and CT3 line modules Logical aggregation of up to eight T1 or E1 links in a bundle Monotonically increasing sequence numbers for each circuit All packets distributed across the member links have monotonically increasing sequence numbers for each circuit ...

Page 167: ...he same bundle You cannot configure member links from different T3 ports in the same bundle The 28 available T1 channels on each port combined in any manner that does not exceed 8 links per bundle for example 28 single link T1 bundles or 3 eight link bundles and 4 single link bundles per port Unsupported MLFR Features E Series routers do not support the following MLFR features Fragmentation The ro...

Page 168: ... member links to a multilink bundle a Define the MLFR bundle host1 config interface mlframe relay boston b Add each member link host1 config if member interface serial 2 0 1 c Optional Add a description to the major interface host1 config if frame relay description bostonBundleDescription d Optional Configure Frame Relay parameters host1 config if frame relay intf type dce host1 config if frame re...

Page 169: ...ription bostonBundleSubOneDescription host1 config subif frame relay interface dlci 16 ietf host1 config subif ip address 10 10 100 1 255 255 255 0 Configuring Frame Relay Versus MLFR All the configuration commands that apply to Frame Relay also apply to MLFR The following listing describes commands specific to configuring MLFR for other Frame Relay commands see Configuring Frame Relay on page 105...

Page 170: ...ow command to include or exclude lines of output based on a text string you specify Refer to the section show Commands in JunosE System Basics Configuration Guide for details baseline frame relay interface Use to set a statistics baseline for the Frame Relay layer on MLFR bundles Frame Relay interfaces subinterfaces and circuits Specify the keyword mlframe relay and the name of the MLFR bundle to ...

Page 171: ...he same baseline timestamp You cannot set separate baselines for these statistics Use the optional delta keyword with Frame Relay show commands to specify that baselined statistics are to be shown Example host1 baseline frame relay multilinkinterface serial 3 2 There is no no version See baseline frame relay multilinkinterface show frame relay interface Use to display the information about the Fra...

Page 172: ...nd frames transmitted on the interface Out errors Number of outbound errors transmitted on the interface Out discards Number of outbound packets discarded Example 1 host1 show frame relay interface brief Frame relay interface mlframe relayTEST status is up Example 2 host1 show frame relay interface mlframe relay TEST Frame relay interface mlframe relayTEST status is up Number of interface down tra...

Page 173: ...change Time since the interface last changed its state Add Links sent Number of Add Link messages sent from this interface Add Links received Number of Add Link messages received on this interface Add Link Acknowledgments sent Number of Add Link acknowledgments sent from this interface Add Link Acknowledgments received Number of Add Link acknowledgments received on this interface Add Link Rejects ...

Page 174: ...dd Link Acknowledgements received 1 Add Link Rejects sent 0 Add Link Rejects received 0 Hellos sent 32 Hellos received 31 Hello Acknowledgements sent 31 Hello Acknowledgements received 32 Remove Links sent 0 Remove Links received 0 Remove Link Acknowledgements sent 0 Remove Link Acknowledgements received 0 See show frame relay lip show frame relay lmi Use to display configuration and state informa...

Page 175: ...ull status responses received by the DTE on this interface Async updates received Total number of asynchronous LMI updates received by the DTE on this interface Unknown messages received Total number of unknown LMI messages received on this interface Loss of sequencing detected Total number of times a loss of sequencing in received LMI messages was detected by the DTE on this interface No response...

Page 176: ...eived Total number of unknown LMI messages received on this interface Loss of sequencing detected Total number of times a loss of sequencing in received LMI messages was detected by the DCE on this interface No response timeouts Total number of times a timeout occurred without receiving a status inquiry from the DTE on this interface Last sequence number sent Last sequence number sent on this inte...

Page 177: ...cause hardware is unavailable Down Traffic cannot flow because of a problem in the interface at the current protocol layer LowerLayerDown Traffic cannot flow because of a problem in an interface at a lower protocol layer AdministrativelyDown Traffic cannot flow because of manual administrative intervention DLCI number Decimal value hexadecimal value and value as it appears on the wire of the DLCI ...

Page 178: ...wn protos Number of packets received on the interface with unknown protocols Out bytes Number of outbound bytes transmitted on the interface Out frames Number of outbound frames transmitted on the interface Out errors Number of outbound errors transmitted on the interface Out discards Number of outbound packets discarded Example host1 show frame relay multilinkInterface Multilink Frame relay inter...

Page 179: ... user and there is no obligation for end systems to take any action regarding the FECN bit Out FECN pkts Number of packets transmitted with the FECN bit set In BECN pkts Number of packets received with the backward explicit congestion notification BECN bit set The BECN bit is set by a network to notify the user that data traffic may experience congestion in the opposite direction of the frame carr...

Page 180: ... BECN pkts 0 In DE pkts 0 Out DE pkts 0 Dropped pkts 14 See show frame relay pvc show frame relay subinterface Use to display the state of the subinterface The subinterface can be in one of the following states Up Traffic can flow on the interface Offline Traffic cannot flow because hardware is unavailable Down Traffic cannot flow because of a problem in the interface at the current protocol layer...

Page 181: ...mber of inbound errors received on the subinterface Out errors Number of outbound errors transmitted on the subinterface In discards Number of inbound packets discarded Out discards Number of outbound packets discarded In unknown protos Number of packets received on the subinterface with unknown protocols Example 1 host1 show frame relay subinterface brief Frame relay sub interface mlframe relayTE...

Page 182: ...terface and circuit as follows Up Traffic can flow on the interface Down Traffic cannot flow because of a problem in the network Unavailable Traffic cannot flow because hardware is unavailable Example host1 show frame relay summary 2 multilink interface s defined 2 up 0 down 1 interface s defined 1 up 0 down 2 sub interface s defined 2 up 0 down 2 circuit s defined 2 up 0 down See show frame relay...

Page 183: ...e 155 Configuring IP MPLS and PPPoE over Ethernet on page 155 L2TP and Ethernet on page 156 Multinetting and Ethernet on page 157 Monitoring Upper Level Protocols over Ethernet on page 157 Upper Layer Protocols over Static Ethernet Overview You can configure one or more protocols over Ethernet with or without VLANs This section focuses on non VLAN configurations only You can configure the followin...

Page 184: ...r Ethernet and PPPoE over Ethernet NOTE You can also configure upper layer protocols over dynamic interfaces See Configuring Dynamic Interfaces on page 511 and Configuring Dynamic Interfaces Using Bulk Configuration on page 619 Upper Layer Protocols over Static Ethernet Platform Considerations You can configure upper layer protocols over Ethernet on the following E Series Broadband Services Router...

Page 185: ...binterface configured on port 0 of the IOA installed in the upper adapter bay of slot 3 host1 config interface gigabitEthernet 3 0 0 1 For more information about interface types and specifiers on E Series models see Interface Types and Specifiers in JunosE Command Reference Guide Upper Layer Protocols over Static Ethernet References For more information about upper layer protocol implementations o...

Page 186: ...tion method on the interface host1 config if pppoe 3 Create a PPPoE subinterface host1 config if pppoe subinterface fastEthernet 4 1 1 4 Specify PPP as the encapsulation method on the interface host1 config if encapsulation ppp 5 Assign an IP address and mask host1 config if ip address 164 10 6 51 255 255 255 0 6 Optional Configure additional PPPoE subinterfaces by completing Steps 3 through 5 usi...

Page 187: ...ure IP MPLS and PPPoE over an Ethernet interface 1 Specify a Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet port host1 config interface fastEthernet 4 0 2 Create an IP interface host1 config if ip address 192 5 127 8 255 255 255 0 3 Create an MPLS interface host1 config if mpls 4 Create a PPPoE interface by specifying PPPoE as the encapsulation method on the interface host1 config if pppoe ...

Page 188: ...on Procedure mpls Use to enable disable or delete MPLS on an interface MPLS is disabled by default Example host1 config mpls Use the no version to halt MPLS on the interface and delete the MPLS interface configuration See mpls L2TP and Ethernet Most Ethernet interfaces support L2TP To use L2TP you must first create a PPP interface See L2TP Overview for information about configuring L2TP Copyright ...

Page 189: ... port You can use various show commands to monitor upper layer protocols For more information see Configuring Point to Point Protocol over Ethernet on page 371 Chapter Configuring IP in JunosE IP IPv6 and IGP Configuration Guide Chapter Configuring MPLS in JunosE BGP and MPLS Configuration Guide show interfaces fastEthernet Use to display the status of Fast Ethernet interfaces VLAN subinterfaces o...

Page 190: ... Speed Line speed for this interface Operational Current rate at which packets are processed Administrative Setting for line speed 5 minute input rate Data rates based on traffic received in the last 5 minutes 5 minute output rate Data rates based on traffic sent in the last 5 minutes In Analysis of inbound traffic on this interface Bytes Number of bytes received in error free packets Unicast Numb...

Page 191: ...he router delayed sending because the line was busy In half duplex mode a high number of deferrals means the link is very busy with traffic from other stations In full duplex mode when the link is always available for transmission this number is zero No Carrier Number of packets sent when carrier sense was unavailable Collisions Analysis of the collisions that occurred Single Number of packets sen...

Page 192: ...e Operational Full Duplex Administrative Auto Negotiate Speed Operational 100 Mbps Administrative Auto Negotiate 5 minute input rate 0 bits sec 0 packets sec 5 minute output rate 0 bits sec 0 packets sec In Bytes 39256 Unicast 612 Multicast 0 Broadcast 0 Errors 0 Discards 0 Mac Errors 0 Alignment 0 CRC 0 Too Longs 0 Symbol Errors 0 Out Bytes 4579036 Unicast 610 Multicast 0 Broadcast 70932 Errors 0...

Page 193: ...mattachmentunit MAU ontheprimaryandsecondaryphysical ports SFP 1000BASE LH 1000BASE SX 1000BASE ZX for SFPs that are empty SFP Empty appears in this field for SFPs that are installed in the OC3 2 GE APS I O module and do not have a Juniper Networks part number programmed SFP GE Compliant appears in this field XFP 10GBASE SR 10 Gbps 10GBASE LR 10 Gbps 10GBASE ER 10 Gbps for XFPs that are empty XFP ...

Page 194: ...o operate automatically Software controls port redundancy automatically Link Failover Timeout Time to wait for a failed link to be active before the router uses a different active link Primary link selected x times Number of times that the I O has used the primary port since the module was last rebooted Secondary link selected x times Number of times that the I O has used the secondary port since ...

Page 195: ...umber of errors in all transmitted packets note that some packets might contain more than one error Discards Total number of discarded outgoing packets Mac Errors Number of outgoing packets discarded because of MAC sublayer failures Deferred Number of packets that the router delayed sending because the line was busy In half duplex mode a high number of deferrals means the link is very busy with tr...

Page 196: ...aping mode for shaping and policing rates is cell based resulting traffic stream conforms exactly to the policing rates configured in downstream devices Reports statistics in bytes in cells and accounts for cell encapsulation and padding overhead none Shaping mode is not configured Operational qos shaping mode Actual shaping mode for the interface disabled frame cell none queue Hardware packet que...

Page 197: ...ests 0 ARP responses 0 Errors 0 Discards 0 Out ARP requests 0 ARP responses 0 Example Displays the status of a 10 Gigabit Ethernet interface host1 show interfaces tenGigabitEthernet 4 0 0 TenGigabitEthernet4 0 0 is Up Administrative status is Up Hardware is Marvell GT64260 address is 0090 1a42 14b5 Primary MAU is 10000BASE LR 10km secondary MAU is XFP Empty TX Output Power 480 8 uW RX Input Power ...

Page 198: ...ple 0 Late 0 Excessive 0 Policed Statistics In 0 Out 0 ARP Statistics In ARP requests 0 ARP responses 0 Errors 0 Discards 0 Out ARP requests 0 ARP responses 0 Errors 0 Discards 0 See show interfaces Copyright 2010 Juniper Networks Inc 166 JunosE 11 2 x Link Layer Configuration Guide ...

Page 199: ...cal Ethernet port This multiplexing is accomplished through VLAN subinterfaces Ethernet interfaces support the 802 1q 1998 IEEE Standards for Local and Metropolitan Area Networks Virtual Bridged Local Area Networks which the router uses as its standardized format for frame tagging The Ethernet V2 frame format enables multiplexing of different protocols over a single physical link IEEE 802 1q compa...

Page 200: ...he correct VLAN to use When the MAC address is the same for all VLANs uneven load balancing of traffic occurs To ensure proper load balancing you must assign unique MAC addresses to the individual VLAN subinterfaces that are connected to the device Any ARP requests and responses generated for the IP address assigned to a VLAN subinterface use this MAC address You must assign the MAC address when y...

Page 201: ...ion of certain commands NOTE SeeJunosEReleaseNotes AppendixA SystemMaximumsforS VLANlimitations Like VLANs all S VLAN subinterfaces use the MAC address of the Ethernet interface over which they are configured For more information about assigning unique MAC address to the S VLAN subinterface when assigning VLAN or S VLAN IDs see VLAN Overview on page 167 VLAN and S VLAN Platform Considerations You ...

Page 202: ...ers on E Series models see Interface Types and Specifiers in JunosE Command Reference Guide VLAN and S VLAN References For more information about VLAN and S VLAN implementations consult the following resources IEEE 802 1q Virtual LANs Creating a VLAN Subinterface Ethernet interfaces support IP PPPoE MPLS or both IP and PPPoE on each VLAN In addition to a VLAN major interface level a VLAN subinterf...

Page 203: ...AN major interface is added 3 Create a VLAN subinterface by adding a subinterface number to the interface identification command host1 config if interface fastEthernet 4 0 3 4 Do one of the following a Assign a VLAN ID for the subinterface host1 config if vlan id 201 b Assign a VLAN ID and the optional unique MAC address for the subinterface host1 config if vlan id 201 mac address 0090 1a01 1234 5...

Page 204: ...erface number to the interface identification command host1 config if interface fastEthernet 4 1 1 4 Do one of the following Assign a VLAN ID for the subinterface host1 config if vlan id 201 Assign a VLAN ID and the optional unique MAC address for the subinterface host1 config if vlan id 201 mac address 0090 1a01 1234 5 Specify PPPoE as the encapsulation method on the interface host1 config if ppp...

Page 205: ...PPoE subinterfaces and one VLAN subinterface has one PPPoE subinterface Figure 15 Example of PPPoE VLAN Fast Ethernet Stacking Configuration Procedure Configuring MPLS over VLAN To configure MPLS over VLAN over an Ethernet interface 1 Specify a Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet port host1 config interface fastEthernet 4 0 2 Specify VLAN as the encapsulation method host1 config ...

Page 206: ...igure 16 Example of MPLS VLAN Fast Ethernet Stacking Configuration Procedure Configuring IP over VLAN and PPPoE over VLAN To configure IP over VLAN with PPPoE over the same VLAN over an Ethernet interface 1 Specify a Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet port host1 config interface fastEthernet 4 1 2 Specify VLAN as the encapsulation method host1 config if encapsulation vlan The VL...

Page 207: ...es by completing Steps 7 through 9 using unique numbering To configure additional IP interfaces over the VLAN major interface 1 Create a new VLAN subinterface by adding a unique subinterface number to the interface identification command host1 config if interface fastEthernet 4 1 2 2 Assign a VLAN ID for the subinterface host1 config if vlan id 401 3 Assign an IP address and mask host1 config if i...

Page 208: ...e See encapsulation ppp encapsulation vlan Use to configure VLAN as the encapsulation method for the interface Example host1 config if encapsulation vlan Use the no version to disable VLAN on an interface See encapsulation vlan ip address Use to set a primary or secondary IP address for an interface or subinterface Specify the layer 2 encapsulation before you set the IP address Copyright 2010 Juni...

Page 209: ...bitEthernet Use to create a PPPoE subinterface on a Gigabit Ethernet interface or on a 10 Gigabit Ethernet interface Example 1 Creates a PPPoE subinterface on an ERX7xx model ERX14xx model or the ERX310 router host1 config if pppoe subinterface gigabitEthernet 4 2 1 1 Example 2 Creates a PPPoE subinterface on the E320 router host1 config if pppoe subinterface tenGigabitEthernet 4 0 2 1 1 Use the n...

Page 210: ...1 config if vlan id 4 255 mac address 0090 1a01 1234 There is no no version See vlan id Configuring an S VLAN Subinterface Tasks to configure a S VLAN subinterface include Configuring an S VLAN Subinterface on page 178 Configuring PPPoE over an S VLAN on page 179 Configuring an S VLAN Subinterface To configure an S VLAN subinterface 1 Specify a Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet...

Page 211: ...4 255 5 Assign an S VLAN Ethertype host1 config if svlan ethertype 88a8 6 Specify PPPoE as the encapsulation method on the interface host1 config if pppoe 7 Create a PPPoE subinterface host1 config if pppoe subinterface fastEthernet 4 1 1 1 8 Specify PPP as the encapsulation method on the interface host1 config if encapsulation ppp 9 Assign an IP address and mask host1 config if ip address 164 10 ...

Page 212: ... no version to remove VLAN as the encapsulation method on the interface See encapsulation vlan ip address Use to set a primary or secondary IP address for an interface or subinterface Specify the layer 2 encapsulation before you set the IP address Use the no version to remove an IP address or disable IP processing See ip address pppoe Use to configure PPPoE as the encapsulation method on the inter...

Page 213: ...ft IEEE Standard 802 1ad 9100 Specifies Ethertype value 0x9100 which is the default Use an Ethertype value that matches the Ethertype value set on the customer premises equipment CPE to which your router connects Example host1 config if svlan ethertype 8100 Use the no version to restore the default value 9100 See svlan ethertype svlan id Use to assign S VLAN IDs and VLAN IDs to VLAN subinterfaces ...

Page 214: ... over MPLS In this example traffic from three VLAN subinterfaces must traverse the MPLS network To accomplish this using standard S VLANs you issue the following commands to configure three separate S VLANs with the same S VLAN ID value and different VLAN IDs as follows host1 config if svlan id 33 10 host1 config if svlan id 33 20 host1 config if svlan id 33 30 By contrast using an S VLAN tunnel a...

Page 215: ... Ethernet or 10 Gigabit Ethernet port host1 config interface fastEthernet 4 0 2 Specify VLAN as the encapsulation method to create the VLAN major interface host1 config if encapsulation vlan 3 Create a VLAN subinterface host1 config if interface fastEthernet 8 1 1 4 Create the S VLAN tunnel This interface tunnels traffic from VLANs configured with an S VLAN ID of 33 and any VLAN ID to the same des...

Page 216: ...se to route layer 2 traffic on a specific tunnel interface Use the no version to negate this command NOTE For details on the use of this command see chapter Configuring Layer 2 Services over MPLS in JunosE BGP and MPLS Configuration Guide See route interface svlan ethertype Use to assign an Ethertype value for the S VLAN tunnel interface Choose one of the following Ethertype values 8100 Specifies ...

Page 217: ...scription The following module combinations support S VLAN oversubscription GE FE line module and all of its associated I O modules GE 2 line module and the GE 2 SFP I O module GE HDE line module and its associated I O modules OC3 STM1 GE FE line module and the OC3 2 GE APS I O module ES2 4G LM and its associated Gigabit Ethernet and 10 Gigabit Ethernet IOAs ES2 10G LM and its associated Gigabit E...

Page 218: ...ut also includes information about the adapter identifier in the interface specifier slot adapter port Displaying Interface Rate Statistics for VLAN Subinterfaces You can use the monitor vlan interface command to display bit rate and packet rate statistics over a specified time interval for one or more VLAN subinterfaces configured on the router To display interface rate statistics for VLAN subint...

Page 219: ...astEthernet 0 0 1 5 120240 100 120240 100 10 50 17 FastEthernet 4 0 1 5 120000 100 120000 100 10 50 17 The router polls each VLAN subinterface at the specified load interval the default 5 second interval in this example to calculate and display bit rate and packet rate statistics The first line of output for each interface always displays 0 zero for the number of seconds between polls and dashes i...

Page 220: ...te statistics for the current interval Example 1 Displays bit rate and packet rate statistics over the default 5 second load interval for a single VLAN subinterface host1 monitor vlan interface fastEthernet 0 0 1 Seconds between Interface polls Input bps pps Output bps pps FastEthernet 0 0 1 0 FastEthernet 0 0 1 5 120240 100 120240 100 FastEthernet 0 0 1 5 120000 100 120000 100 FastEthernet 0 0 1 ...

Page 221: ...tional state that you configured for this interface up or down VLAN ID Domain number of the VLAN SVLAN ID Domain number of the stacked VLAN Ethertype Ethertype assignment for the S VLAN subinterface 0x8100 0x88a8 or 0x9100 0x9100 is the default In Analysis of inbound traffic on this interface Bytes Number of bytes received on the VLAN or S VLAN subinterface Packets Sum of all unicast broadcast and...

Page 222: ...st 70258 Errors 0 Discards 0 ARP Statistics In ARP requests 1 ARP responses 0 Errors 0 Discards 0 Out ARP requests 1 ARP responses 0 Errors 0 Discards 0 Example 2 Displays the status of a Fast Ethernet S VLAN subinterface host1 vr2 show interfaces fastEthernet 0 0 1 FastEthernet0 0 1 is Up Administrative status is Up SVLAN ID 1 VLAN ID 0 Ethertype 0x9100 In Bytes 39256 Packets 612 Multicast 0 Broa...

Page 223: ... VLAN or S VLAN subinterface Multicast Number of multicast packets received on the VLAN or S VLAN subinterface Broadcast Number of broadcast packets received on the VLAN or S VLAN subinterface Errors Total number of errors in all received packets some packets might contain more than one error Discards Total number of discarded incoming packets Out Analysis of outbound traffic on this interface Byt...

Page 224: ...uests 0 ARP responses 0 Errors 0 Discards 0 Out ARP requests 0 ARP responses 0 Errors 0 Discards 0 See show interfaces show vlan subinterface Use to display configuration and status information for a specified VLAN subinterface or for all VLAN subinterfaces configured on the router Use the summary keyword to display only the counts of all VLAN subinterfaces and VLAN major interfaces configured on ...

Page 225: ... some packets might contain more than one error Discards Total number of discarded incoming packets Out Analysis of outbound traffic on this interface Bytes Number of bytes sent on the VLAN or S VLAN subinterface Packets Number of packets sent on the VLAN or S VLAN subinterface Multicast Number of multicast packets received on the VLAN or S VLAN subinterface Broadcast Number of broadcast packets r...

Page 226: ...ow vlan subinterface fastEthernet 0 0 1 Interface Status MTU Svlan Id Vlan Id Ethertype Type FastEthernet 0 0 1 Up 1526 1 0 0x9100 Static In Bytes 39256 Packets 612 Multicast 0 Broadcast 0 Errors 0 Discards 0 Out Bytes 4538652 Packets 70911 Multicast 0 Broadcast 70296 Errors 0 Discards 0 ARP Statistics In ARP requests 0 ARP responses 0 Errors 0 Discards 0 Out ARP requests 0 ARP responses 0 Errors ...

Page 227: ... Example 6 Displays full status and configuration information for the specified S VLAN ID host1 show vlan subinterface svlan 100 53 Interface Status MTU Svlan Id Vlan Id Ethertype Type FastEthernet 0 0 1 Up 1526 100 53 0x9100 Static FastEthernet 4 6 1 Up 1526 100 53 0x9100 Dynamic 2 vlan subinterfaces found See show vlan subinterface 195 Copyright 2010 Juniper Networks Inc Chapter 5 Configuring VL...

Page 228: ...Copyright 2010 Juniper Networks Inc 196 JunosE 11 2 x Link Layer Configuration Guide ...

Page 229: ...et Link Redundancy Behavior on page 212 Configuring Ethernet Link Redundancy on page 217 Monitoring 802 3ad Link Aggregation on page 218 802 3ad Link Aggregation for Ethernet Overview IEEE 802 3ad link aggregation enables you to group Ethernet interfaces at the physical layer to form a single link layer interface also known as a link aggregation group LAG or bundle For more information see IEEE St...

Page 230: ...he PDUs contain information about each link and enable the LAG bundle to maintain them By default Ethernet links do not exchange PDUs which contain information about the state of the link You can configure Ethernet links to actively transmit PDUs or passively transmit them sending out LACP PDUs only when it receives them from another link The transmitting link is known as the Actor and the receivi...

Page 231: ...ter to interoperate with an 802 3ad switch in a topology designed for Ethernet link aggregation See chapter Configuring Layer 2 Services over MPLS in JunosE BGP and MPLS Configuration Guide for more information 802 3ad Link Aggregation Platform Considerations You can configure 802 3ad link aggregation on the following E Series Broadband Services Routers E120 router E320 router ERX1440 router ERX14...

Page 232: ...ace types and specifiers on E Series models see Interface Types and Specifiers in JunosE Command Reference Guide 802 3ad Link Aggregation References For more information about 802 3ad link aggregation implementations consult the following resources IEEE 802 1w Rapid Reconfiguration of Spanning Tree IEEE 802 3ad Link Aggregation Configuring 802 3ad Link Aggregation To configure link aggregation on ...

Page 233: ... the member links that you configure must be on the same line module and have the same physical layer characteristics such as speed duplex mode and MTU Configuring a LAG Bundle To configure a LAG bundle and add member links perform the following steps 1 Create the LAG bundle host1 config interface lag bundleBoston 2 Add a member link to the LAG bundle host1 config if member interface gigabitEthern...

Page 234: ...pecify the PPPoE subinterface for the LAG bundle in either of the following ways Use the interface lag command to add a unique subinterface number to the LAG bundle name host1 config interface lag bundleBoston 2 Use the pppoe subinterface lag command to add a unique subinterface number to the LAG bundle name host1 config pppoe subinterface lag bundleBoston 2 3 Specify PPP as the encapsulation meth...

Page 235: ...e or passive LACP PDU participation Use the passive keyword to indicate that the Ethernet link to transmit LACP PDUs only when it receives LACP PDUs from its Partner member link By default Ethernet links in a LAG bundle do not send LACP PDUs Example host1 config if lacp active Use the no version to restore the default behavior See lacp lacp port priority Use to set the priority for an Ethernet lin...

Page 236: ...0 8 and for ES2 S3 GE 20 IOA the number of minimum links is in the range 0 8 Example host1 config if minimum links 2 Use the no version to reset the minimum number of member links to the default value 1 See minimum links mpls Use to enable disable or delete MPLS on an interface MPLS is disabled by default Example host1 config mpls Use the no version to halt MPLS on the interface and delete the MPL...

Page 237: ...1 config if duplex full host1 config if lacp active host1 config if interface fastEthernet 0 5 host1 config if speed 100 host1 config if duplex full host1 config if lacp active The following commands create a virtual router add the Ethernet physical interfaces to a LAG bundle named bundleBoston and assign an IP address and mask to the bundle host1 config virtual router boston host1 boston config i...

Page 238: ...e subinterface lag on page 205 Example Configuring a PPPoE Subinterface over a VLAN for a LAG Bundle The following example displays LACP configuration for two Fast Ethernet interfaces in slot 3 The interfaces are enabled for active LACP The speed and duplex characteristics are the same for both interfaces host1 config interface fastEthernet 3 0 host1 config if speed 100 host1 config if duplex full...

Page 239: ...st1 config if duplex full host1 config if lacp active host1 config if interface fastEthernet 5 1 host1 config if speed 100 host1 config if duplex full host1 config if lacp active The following commands create a virtual router add the Ethernet physical interfaces to a LAG bundle named kanata assign an IP address and configure MPLS host1 config virtual router kanata host1 kanata config interface lag...

Page 240: ...t are assigned to a LAG One member link is configured as the backup interface for all other ports in the LAG bundle 1 N Traffic is not forwarded over the backup member interface it is disabled until it takes over for an active member interface LAG to non LAG Provides redundancy capabilities when redundant ports are connected to a bridged network that has Rapid Spanning Tree Protocol RSTP controlli...

Page 241: ...ES2 S1 GE 8 IOA on the E320 router or an E Series router operating JunosE Software connected to another vendor s router and software NOTE You cannot configure link redundancy across different types of line modules in a router You also cannot configure link redundancy across two GE 4 IOAs on the E120 or the E320 routers Figure 21 on page 209 illustrates the configuration models for Ethernet link re...

Page 242: ...ule Configuration FE 8 Line Module Configurations Figure 24 on page 210 displays an FE 8 line module with a link failure in a 1 N single homed configuration Figure 24 Single Homed FE 8 Line Module Configuration 1 N Figure 25 on page 211 displays an FE 8 line module with four redundant Ethernet links in a 1 1 configuration Copyright 2010 Juniper Networks Inc 210 JunosE 11 2 x Link Layer Configurati...

Page 243: ...ncy configurations on the E120 and E320 routers Figure 26 on page 211 displays a single homed 1 4 configuration on an E120 router Figure 26 Single Homed GE 4 IOA Configuration 1 4 Figure 27 on page 212 displays an E320 router with 1 N configuration across IOAs 211 Copyright 2010 Juniper Networks Inc Chapter 6 Configuring 802 3ad Link Aggregation and Link Redundancy ...

Page 244: ...LACP is disabled because there is no LAG at the peer Figure 28 Dual Homed Configuration 1 1 Ethernet Link Redundancy Behavior When you create a LAG bundle you can configure LACP with the Disabled Passive or Active states For more information about these states see LACP on page 198 The following sections describe link redundancy behavior when the Copyright 2010 Juniper Networks Inc 212 JunosE 11 2 ...

Page 245: ...ck LAG failover in the event one of the non redundant links in the LAG fail This is particularly true when LACP has been enabled on the LAG because it can take several seconds for LACP to converge on a link When the transmitter on the remote end is enabled on the redundant link before it fails over the local system considers the redundant link to be viable and enables the transmitter if it is disa...

Page 246: ...link to fail over by issuing the redundant port force failover command LACP Configuration and Member Link Behavior By default when a redundant member link is configured the system disables LACP and the transmitter on that link When a member link is administratively down the link state is operationally down at the local and remote ends which means it does not transmit or receive PDUs The active lin...

Page 247: ...dundant link to that MAC The behavior of the redundant link depends on the failure detection method that is controlled by the network protocol that is blocking the port Ethernet Link Redundancy and RSTP In a LAG to non LAG configuration you can configure redundancy capabilities when redundant ports are connected to a bridged network that has RSTP controlling the topology On external devices we rec...

Page 248: ...roadcast or flooded both ports receive the packets However because of the timing difference the selected active port remains active Detecting Failures In an RSTP network the system uses the following process for detecting when the link has switched over due to topology changes 1 BPDUs are ignored on the redundant port and system time is not retrieved Because MAC learning forces non flooded unicast...

Page 249: ... the following Configure link redundancy on the port you specified in step 1 host1 config if redundant port gigabitEthernet 1 1 Force the port you specified in step 1 to fail over host1 config if redundant port gigabitEthernet 1 1 force failover 6 Optional Configure the redundant link to revert back to redundant mode when the failed link becomes active again host1 config if redundant port gigabitE...

Page 250: ...ce in slot 1 port 1 is a redundant member interface with a packet sampling delay of 500 ms host1 config if redundant port gigabitEthernet 1 1 packet sampling delay 500 Use the no version to disable the redundant status of the member interface or disable the specified redundancy setting for the member See redundant port redundant port force failover Use to force the specified member interface to fa...

Page 251: ... link mux state Status of collecting and distributing at the Mux state machine collecting distributing Ethernet link is actively collecting incoming frames and distributing outgoing frames detached Ethernet link is detached from the LAG bundle due to protocol changes or system constraints waiting Ethernet link is waiting to attach to a LAG bundle LACP state active Actor link actively particulates ...

Page 252: ...PDUs timeout Timeout control value short timeout or long timeout aggregatable Partner link can be aggregated individual Partner link cannot be aggregated in sync Partner link has joined the correct LAG bundle out of sync Partner link has joined the incorrect LAG bundle collecting Partner link is actively collecting incoming frames if this field does not appear the Partner link is not actively coll...

Page 253: ...ey 8 System Priority 32768 System MAC Address is 0090 1a40 2043 Partner state 0x3d active short timeout aggregatable in sync collecting distributing port 0 priority 32768 key 8 age 25 System Priority 32768 System MAC Address is 0090 1a40 2043 LACP packets received 8 transmitted 7 Marker Protocol request packets received 0 transmitted 0 Marker Protocol response packets received 0 transmitted 0 Disc...

Page 254: ... or system constraints waiting Ethernet link is waiting to attach to a LAG bundle Example host1 show interfaces lag members Lag bostonBundle is Up Administrative status is Up Configured MinimumLinks 2 Member interface FastEthernet0 0 is Up LACP active state collecting distributing Member interface FastEthernet0 5 is Up LACP active state collecting distributing Lag actonBundle is Up Administrative ...

Page 255: ...ult Detection Feature on page 234 OAM Remote and Local Loopback Feature on page 235 InterrelationshipofOAMLink FaultManagementwithEthernetSubsystemsonpage236 Guidelines for Configuring 802 3ah OAM Link Fault Management on page 237 Configuring 802 3ah OAM Link Fault Management on page 238 Example Configuring 802 3ah OAM Link Fault Management and Enabling Remote Failure Monitoring on an Interface on...

Page 256: ... OAM defined in IEEE Standard 802 3ah describes link based OAM mechanisms These mechanisms improve the ability of a connected network element to monitor the health of the link and the peer system This improved ability enables the connected network element to more quickly proactively and decisively react to deteriorating or failing conditions of the link A primary advantage of 802 3ah OAM is to imp...

Page 257: ... IOA Protocol Support for information about the modules that support 802 3ah link fault management Interface Specifiers The configuration task examples in this chapter use the format for ERX7xx models ERX14xx models and the ERX310 router to specify 802 3ah link fault management For example the following command specifies a Gigabit Ethernet interface on port 0 of an I O module in slot 4 host1 confi...

Page 258: ... PDUs contain the destination MAC address of the slow protocols multicast 0180 c200 0002 and an Ethertype of 8809 In a slow protocol environment the bandwidth required is minimal and the frame transmission rate is limited to a maximum of 10 frames per second The first octet of the frame payload is the slow protocol subtype field and is set to 0x03 OAM PDUs do not travel beyond a single hop and are...

Page 259: ...AM Elements Overview IEEE 802 3ah defines OAM procedures for a single point to point Ethernet link Ethernet OAM is a slow protocol with limited bandwidth requirements The frame transmission rate is limited to a maximum of 10 frames per second As a result the impact of OAM on normal operations is negligible However when link monitoring is enabled the CPU must poll error counters frequently In this ...

Page 260: ...functionality on the link depending on the local and remote states and configuration settings Outside of the discovery stage the OAM client manages the rules of response to OAM PDUs and the OAM remote loopback mode Related Topics OAM Sublayer on page 228 OAM Elements Overview on page 227 OAM Sublayer The OAM sublayer presents two standard IEEE 802 3 MAC service interfaces one pointed toward the su...

Page 261: ...from the packet parser Multiplexer The multiplexer manages frames generated or forwarded from the MAC client control block and packet parser The multiplexer passes through frames generated by the MAC client untouched It sends OAM PDUs generated by the control block to the subordinate sublayer for example the MAC sublayer The multiplexer also forwards loopback frames from the packet parser to the s...

Page 262: ...idelines for Configuring 802 3ah OAM Link Fault Management on page 237 OAM Discovery Feature Discovery is the first phase of Ethernet OAM and it is used to detect the devices in the network and their OAM capabilities The discovery process is triggered automatically when OAM is enabled on the interface The discovery phase uses Information OAM PDUs The discovery process permits Ethernet interfaces t...

Page 263: ...ine whether an OAM relationship can be established For example loopback mode might be required for the OAM association to be completed If the remote entity does not support loopback the local entity might disable the OAM association Transmission Settings for Information OAM PDUs After an OAM association is established Information OAM PDUs are sent at a configured rate If no OAM PDUs other than Inf...

Page 264: ... Management Discovery Settings for an Interface on page 245 ethernet oam lfm ethernet oam lfm mode ethernet oam lfm pdu lost threshold ethernet oam lfm pdu transmit interval show ethernet oam lfm discovery OAM Link Monitoring Feature The router performs link monitoring by sending periodic Information OAM PDUs to advertise OAM mode configuration and capabilities Link monitoring uses the Event Notif...

Page 265: ...aranteed delivery of any OAM PDU the event notification OAM PDU might be sent multiple times to reduce the probability of a lost notification A sequence number is used to distinguish among duplicate events Actions Performed on Exceeding Threshold Values You can configure the OAM application to influence the operational state of the link when a link quality threshold is exceeded or a critical event...

Page 266: ...of independent transmit and receive operations If you configure this option the local OAM entity detects loss of signal conditions that occurred in the receive path of the link The local entity influences the state of the link based on an Information OAM PDU with the Link Fault bit set in the Flags field that it receives from the remote peer Dying Gasp This event type denotes that an unrecoverable...

Page 267: ...lity between the router and a remote peer during installation or troubleshooting JunosE Software can place a remote entity into loopback mode if remote loopback mode is supported by the remote entity When you place a remote entity into loopback mode the interface receives the remote loopback request and puts the interface into remote loopback mode When the interface is in remote loopback mode all ...

Page 268: ... OAM Link Fault Management with Ethernet Subsystems 802 3ah OAM assists the monitoring of individual Ethernet links Link aggregation mechanisms such as 802 3ad operate above the 802 3ah sublayer Figure 33 on page 236 shows the interconnection between OAM and LAG bundles You can use the results of OAM link monitoring to configure the LAG sublayer accordingly to improve failover and recovery times F...

Page 269: ...M PDUs sec on every port on the set of IOAs for a line module The most impact on performance might occur on ES2 4G LMs with two GE 8 I O modules 16 ports that cause 160 OAM PDUs to be transmitted per second Also the OAM application must query MAC layer statistics up to 6 8 for frame errors every 10 seconds and errored symbol statistics per second Because the outage time of the forwarding controlle...

Page 270: ... and enable IEEE 802 3ah OAM support on the interface When the IEEE 802 3ah OAM protocol is enabled on a physical interface the discovery process is automatically triggered The default discovery mode of a local interface is active host1 config interface GigabitEthernet 6 0 host1 config if ethernet oam lfm NOTE You must enable the OAM link fault management feature to be able to configure parameters...

Page 271: ... wait for a larger number of OAM PDUs to be missed from the remote peer in networks that are prone to high losses and fluctuating performances such as jitter higher latency and poor transmission of packets The number of OAM PDUs that can fail to be received from a remote peer before the local OAM entity triggers a link fault event can be in the range 3 10 the default period is 5 PDUs 5 Configure t...

Page 272: ...ry Event TLV to be sent to the OAM entity when the threshold is exceeded The Errored Frame Seconds Summary Event TLV counts the number of errored frame seconds that occurred during the specified period An errored frame second is any 1 second period that has at least one errored frame host1 config if ethernet oam lfm link monitor frame seconds summary threshold low 60 In this case a low errored fra...

Page 273: ...t oam lfm high threshold action command is taken i Specify a period of time in which symbol error events are counted for both high and low threshold settings The time period is specified in seconds host1 config if ethernet oam lfm link monitor symbol period window 10 In this case symbol error events are counted over a period of 10 seconds The configured window is valid for both high and low thresh...

Page 274: ... remote entity 8 Set an interface into loopback mode to enable the current Ethernet OAM configuration for the interface of the local OAM entity to allow initiation of remote loopback operation or to respond to a remote loopback request from a peer host1 config if ethernet oam lfm remote loopback supported NOTE You must configure the interface of the local OAM entity to be placed in remote loopback...

Page 275: ...f frames and bytes that are transmitted from the local entity to the remote peer when the local interface is in loopback mode and the number of frames and bytes that are received from the remote peer when the remote peer is in loopback mode are displayed using appropriate field labels at the CLI prompt You can also view the calculated loopback parameter values later from the Remote Loopback sectio...

Page 276: ...condition such as a power failure host1 config if ethernetoamlfmremote failuredying gaspactiondisable interface host1 config if ethernet oam lfm remote failure link fault action disable interface 3 Configure the local interface to be disabled when the high threshold for an error condition is exceeded The OAM functionality unconditionally attempts to influence the operational state of the interface...

Page 277: ...emote loopback supported Related Topics OAM Remote and Local Loopback Feature on page 235 ethernet oam lfm ethernet oam lfm remote loopback supported Monitoring OAM Link Fault Management Discovery Settings for an Interface Purpose Display the results of the Ethernet OAM link fault management discovery process for a particular interface such as the hardware status of the interface operational statu...

Page 278: ...the interface Down Link fault management feature is disabled on the interface either because it was not activated or because it was turned off as a result of error conditions OAM status MAC address of the interface of the local entity Local address Discovery mode of the interface of the local OAM entity active The interface discovers and monitors the peer on the link if the peer also supports IEEE...

Page 279: ...e MIB variables from its peer entity variable requests using Variable Request OAM PDUs Capabilities State of the multiplexer functions of the OAM sublayer for the local OAM entity Device is forwarding non OAM PDUs to the lower sublayer or discarding non OAM PDUs Mux Action State of the parser functions of the OAM sublayer for the local OAM entity Device is forwarding non OAM PDUs to higher sublaye...

Page 280: ...n OAM PDUs to the lower sublayer or discarding non OAM PDUs Mux Action State of the parser functions of the OAM sublayer for the remote peer Device is forwarding non OAM PDUs to higher sublayer looping back non OAM PDUs to the lower sublayer or discarding non OAM PDUs Parser Action Related Topics Configuring 802 3ah OAM Link Fault Management on page 238 show ethernet oam lfm discovery Monitoring O...

Page 281: ... the configured low threshold for a specified time period A breakdown of the types of errors that resulted in the generation of an Event Notification PDU is also displayed EventNotificationOAMPDUs Number of errored frame event TLVs that have been transmitted since the OAM sublayer was reset Errored Frame Number of symbols error event TLVs that have been transmitted since the OAM sublayer was reset...

Page 282: ...etermine additional details such as the number of Variable Request PDUs by viewing the value displayed in the Unsupported OAM PDUs field and comparing it against the total number of all supported OAM PDUs Unsupported OAMPDUs Related Topics Configuring 802 3ah OAM Link Fault Management on page 238 show ethernet oam lfm statistics Monitoring OAM Link Fault Management Configuration for an Interface P...

Page 283: ...ed rate The default discovery mode of the OAM client is active Passive An OAM entity does not initiate the discovery process You cannot perform link fault management if you configure both the local client and the remote peer for passive mode operation Mode Number of milliseconds after which Information OAM PDUs are sent from the local OAM entity to the remote peer to maintain the OAM association i...

Page 284: ...ntain the OAM session to the local entity Remote loopback Displays a detailed classification of frame seconds errors event TLVs since the OAM sublayer was reset Frame secondsErrorMonitor Specified amount of time in milliseconds during which frame seconds error events are counted Window Lowest value for frame second error events in number of frames which when exceeded causes an Errored Frame Second...

Page 285: ... remote peer when the local entity is in loopback mode Bytes received Related Topics Configuring 802 3ah OAM Link Fault Management on page 238 show ethernet oam lfm status Monitoring OAM Link Fault Management Sessions on All Configured Interfaces Purpose Display a summary of the MAC layer OAM status of all Ethernet links on which OAM link fault management is enabled This command displays the state...

Page 286: ...tatus Revision of the OAM configuration A new revision results from each change to the configuration Ethernet OAM ver 1 Discovery mode of the interface Active The interface discovers and monitors the peer on the link if the peer also supports IEEE 802 3ah OAM functionality An OAM entity in active mode initiates the discovery process by sending an Information OAM PDU to the multicast address of the...

Page 287: ...cal Information TLV a passive entity cannot complete the OAM Discovery process when connected to another entity in passive mode Send any After an OAM PDU has been received indicating the remote device is satisfied with the respective settings the local device enters the SEND_ANY state This is the expected normal operating state for OAM on fully operational links Send local remote After the local e...

Page 288: ...OAM clients match the OAM Discovery process has successfully completed Remote State Valid Indicates the OAM client has received remote state information found within Local Information TLVs of received Information OAM PDUs False indicates that OAM client has not seen remote state information True indicates that the OAM client has seen remote state information Flags State of the loopback functionali...

Page 289: ... show ethernet oam lfm summary 257 Copyright 2010 Juniper Networks Inc Chapter 7 Configuring IEEE 802 3ah OAM Link Fault Management ...

Page 290: ...Copyright 2010 Juniper Networks Inc 258 JunosE 11 2 x Link Layer Configuration Guide ...

Page 291: ...ltiprotocol datagrams over a point to point link PPP uses the High Speed Data Link Control HDLC protocol for its physical interface and provides a packet oriented interface for the network layer protocols Internet Protocol Control Protocol IPCP which negotiates for transport of IP version 4 datagrams IPv6CP which negotiates for transport of IP version 6 datagrams the OSI Network Layer Control Prot...

Page 292: ... static PPP interfaces whenever LCP achieves a stopped state because of termination negotiation failure or some other cause it goes into passive mode and waits for the other side of the connection to restart the negotiation process Once in passive mode the router periodically attempts to negotiate with the other side according to an exponential timeout algorithm For static PPP interfaces the route...

Page 293: ... option unless directed to do so by a third party LAC PPP can also detect a loopback that occurs after LCP is negotiated provided that No loopback occurs during LCP negotiations A loopback is introduced after LCP negotiation without forcing LCP renegotiation LCP is renegotiated if the lower layer goes down or if an LCP confReq is received from the other end Validation of LCP Peer Magic Number If t...

Page 294: ...but does not change or validate the peer magic number For more information see ppp magic number disable on page 276 You can also configure validation of the LCP peer magic number for static MLPPP interfaces dynamic PPP interfaces and dynamic MLPPP interfaces For more information about configuring static MLPPP interfaces see Configuring Multilink PPP on page 299 For more information about using pro...

Page 295: ...le Authentication Protocol The JunosE Software supports Extensible Authentication Protocol EAP for authenticating a peer before allowing network layer protocols to transmit over the link EAP supports multiple authentication methods including EAP TLS and EAP MD5 Challenge The EAP server and the peer negotiate the specific authentication method to be used Figure 34 on page 263 illustrates the three ...

Page 296: ...ification requests from the backend authentication server to the peer and Notification responses from the peer to the server The JunosE Software does not initiate any Notification requests or responses 2 Notification The JunosE Software forwards the NAKs received from the peer to the backend authentication server 3 NAK The JunosE Software acts as a pass through for the EAP MD5 Challenge negotiated...

Page 297: ... L2TP session This authentication information consists of the EAP type the data appropriate to the type such as a username contained in the EAP identity response packet and the identifier of the EAP identity response packet If the LNS trusts the LAC then the LNS uses this authentication information to resume the EAP negotiation where the LAC left off L2TP on an LAC forwards the PPP EAP authenticat...

Page 298: ...ed during the negotiation When the number of packets exchanged increases that is when the number of round trips increases it takes longer to finish the interface negotiation System resources are locked for a longer duration As a result it takes longer to bring up all the interfaces The number of round trip message exchanges varies with the EAP authentication method When no retransmission of packet...

Page 299: ...s The CPE does not send the prompted options in the subsequent configure request If B RAS sends another NAK it prompts the options again until max configure nak is exceeded If B RAS sends an ACK it ignores the options and brings up the link The CPE negotiates a different option from the prompted options If B RAS sends another NAK it prompts the options again until max configure nak is exceeded If ...

Page 300: ...ress and then returns the assigned unused addresses to the local pool By default this feature is disabled To enable the feature issue the ppp ipcp lockout command from Interface Configuration Subinterface Configuration or Profile Configuration modes This command terminates the invalid subscriber entry and prevents additional IPCP negotiations When IPv6CP is active and if the IPCP must close the ro...

Page 301: ...he server for proper forwarding Platform Considerations You can configure PPP interfaces on the following E Series Broadband Services Routers E120 router E320 router ERX1440 router ERX1410 router ERX710 router ERX705 router ERX310 router Module Requirements For information about the modules that support PPP interfaces on ERX14xx models ERX7xx models and the ERX310 router See ERX Module Guide Table...

Page 302: ...rt 0 of an E320 router host1 config interface atm 5 0 0 20 For more information about supported interface types and specifiers on E Series routers see Interface Types and Specifiers in JunosE Command Reference Guide References For more information about the PPP protocol consult the following resources L2TP Proxy Authenticate Extensions for EAP draft ietf l2tpext proxy authen ext eap 01 txt Decembe...

Page 303: ...59 Configuring Point to Point Protocol over Ethernet on page 371 The procedures described in this chapter assume that a physical interface has been configured Configuration Tasks The following procedure is an example of a PPP configuration on a serial interface These steps are mandatory unless otherwise noted 1 From Global Configuration mode specify the physical interface on which you want to conf...

Page 304: ... bay E320 router 1 indicates that the IOA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on the IOA subinterface Number of the subinterface in the range 1 2147483647 For more information see Creating a Basic Configuration on page 20 in Configuring ATM on page 3 Examples host1 config if interface atm 9 1 1 host1 config if interface atm 5 0 1 1 Use the...

Page 305: ... 0 Use the no version to remove the POS interface See interface pos interface serial Use to specify a serial interface in the slot port channel subchannel format by selecting a previously configured physical interface on which you want to configure PPP slot Refers to a router chassis slot port Refers to a CT3 T3 or E3 module I O port channel Refers to a T1 DS1 channel subchannel Represents a set o...

Page 306: ...PPP authentication ppp description Use to assign a text description or alias to a static PPP interface Example host1 config if ppp description pah8999 Use the no version to remove the description See ppp description ppp ipcp lockout Use to terminate invalid IPv4 subscribers and prevent additional IPCP negotiations When Internet Protocol version 6 Control Protocol IPv6CP is active this command enab...

Page 307: ...rames were received from the peer in the prior keepalive timeout interval If so the interface does not send an LCP echo request keepalive Keepalive packets are sent only if the peer is silent that is no traffic was received from the peer during the previous keepalive timeout interval If both sides are configured with keepalive receipt of an LCP echo request by one end suppresses the transmission o...

Page 308: ... configure the maximum number of LCP IPCP or IPv6CP renegotiation attempts in the range 1 65535 that the router accepts before terminating a PPP session Configuring the maximum number of renegotiation attempts helps avoid massive renegotiation loops that can occur between the router and a noncompliant PPP client Such renegotiation loops can cause excessive CPU utilization and can prevent the PPP c...

Page 309: ...efault value 30 renegotiation attempts See ppp max negotiations ppp mru Use to control the negotiation of the maximum receive unit MRU Specify the number of bytes in the range 64 65535 We recommend you coordinate this value with the network administrator on the other end of the line If the value configured for the PPP MRU is greater than the value of the lower layer MRU minus the PPP header length...

Page 310: ...If the PPP peer has the address and the router does not the peer always supplies the address regardless of how you have configured the PPP peer Example host1 config if ppp peer dns Use the no version when you want the router to take precedence during setup negotiations between the router and the peer If the IP addresses that the peer sends to the router differ from the ones configured on your rout...

Page 311: ...equest to AAA To take advantage of this feature configure your authentication server to support the use of null usernames ppp authentication Use to request authentication from a PPP peer and set the authentication method To specify the name of a virtual router VR to be used as the authentication VR context use the virtual router keyword Keep the following points in mind when you use the ppp authen...

Page 312: ...negotiate authentication the router terminates the PPP session Example 2 Specifies a virtual router for the authentication virtual router context host1 config if ppp authentication virtual router boston pap chap This command is available in static configurations and in profiles Example 3 Configures only EAP on a static PPP interface host1 config interface atm 3 2 100 host1 config subif ppp authent...

Page 313: ...enge length ppp max bad auth Use to specify the maximum number of authentication retries the router allows before terminating a PPP session This value applies to PAP and CHAP authentication The range is 0 7 The default is 0 which indicates that no retries are allowed Example host1 config if ppp max bad auth 3 Use the no version to return the number of retries to the default 0 See ppp max bad auth ...

Page 314: ...affic PPP accounting statistics reported in RADIUS octet counts Acct Input Octets and Acct Output Octets exclude the following data PPP traffic prior to completion of authentication PPP LCP terminate request or terminate acknowledgement packets PPPoE padding for PPP control and data packets Accounting statistics reported in RADIUS packet counts Acct Input Packets and Acct Output Packets for termin...

Page 315: ...PPP interface information You can filter the command display for characteristics of particular interest such as interface type data type configured protocol or interface state Field descriptions inactivity timeout Inactivity timeout in seconds session is terminated if it is not active for specified timeout monitor ingress only Indicates whether the router monitors only ingress traffic for the conf...

Page 316: ...for negotiation of the local IP address option dns precedence Used to resolve conflicts during negotiation of DNS addresses local indicates that the local side takes precedence and the no ppp peer dns command is operative peer indicates that the remote side takes precedence and the ppp peer dns command is operative wins precedence Used to resolve conflicts during negotiation of WINS addresses loca...

Page 317: ...resses for the local and remote peer side of the link ip address IP address ip address mask IP address mask primary dns address Primary DNS address secondary dns address Secondary DNS address primary wins address Primary WINS address secondary wins address Secondary WINS address NOTE The command displays a value of none for any negotiated option parameters if the option was not negotiated OSINLCP ...

Page 318: ...tes that the MRU of the layer below PPP defines the MRU to be negotiated disabled indicates that the MRU option is not to be negotiated A numeric value indicates the MRU value to be negotiated authentication Controls the negotiation of the local authentication option none indicates do not negotiate chap indicates negotiate chap pap indicates negotiate pap chap pap indicates negotiate chap and if i...

Page 319: ...tets authentication Authentication method none pap or chap magic number Magic number pfc PFC none or enabled acfc ACFC none or enabled NOTE The command displays a value of none for any negotiated option parameters if the option was not negotiated LCP Endpoint Discriminator options local discriminator class Endpoint discriminator type format and address space for the local and remote peer router lo...

Page 320: ...ticate retry Maximum number of authentication retries configured using the ppp max bad auth command authentication router Virtual router for the authentication virtual router context Authentication status grant Authentication status true access granted false access not granted session timeout Session timeout in seconds session is terminated at expiration inactivity timeout Inactivity timeout in se...

Page 321: ...AP protocol configuration request timeout Maximum time in seconds to wait for an authentication request packet CHAP protocol configuration name Name to be used in challenge packets challenge retry Maximum number of challenge packets to be transmitted challenge timeout Frequency in seconds of challenge packet retransmission minimum challenge length Minimum length of challenge packet maximum challen...

Page 322: ... This applies to an interface IPCP IPv6CP OSINLCP and MPLS no peer xxx Remote peer option xxx is required and could not be negotiated for example authentication This applies to an interface IPCP IPv6CP OSINLCP and MPLS keepalive drop count exceeded Keepalive drop count has been exceeded This applies to an interface only session timeout Session timeout period has expired This applies to an interfac...

Page 323: ...on dns enabled IPCP protocol status operational status up IPCP negotiated options local peer ip address 11 1 1 1 11 1 1 2 ip address mask none none primary dns address none none secondary dns address none none primary wins address none none secondary wins address none none IPV6CP Protocol Configuration configured false administrative status open ipv6 interfaceId 0 0 0 0 max negotiations 30 IPV6CP ...

Page 324: ...ctivity timeout none monitor ingress only false accounting timeout none peer ip address none peer ip address mask none peer primary dns address none peer secondary dns address none peer primary wins address none peer secondary wins address none peer ipv6 interface id none Authentication statistics up time 0 seconds in octets 0 out octets 0 in packets 0 out packets 0 PAP protocol configuration requ...

Page 325: ...ink down OSINLCP protocol configuration configured false administrative status open OSINLCP protocol status operational status not present Interface statistics in out packets 0 0 octets 1163 706 errors 0 0 discards 153482 0 LCP protocol configuration max receive unit use lower layer authentication none magic number enabled magic number mismatch reject keepalive timer 30 seconds restart timer 3 sec...

Page 326: ... statistics for IPCP host1 show ppp interface fastEthernet 2 0 1 statistics ip PPP interface FastEthernet 2 0 1 is up LCP protocol statistics in keepalive requests 833 out keepalive requests 830 in keepalive replies 830 out keepalive replies 833 keepalive failures 0 max renegotiation terminates 10 See show ppp interface show ppp interface summary Use to display a summary of all the multilinked and...

Page 327: ...s not operational because of a problem in the PPP layer notPresent Protocol is not operational because it does not exist noResources Protocol is not operational because it does not exist due to a lack of resources PPP Multilink Status Multilinked PPP interfaces Example host1 show ppp interface summary PPP Status Configuration status configured notConfigured Interface 4000 n a Ip 4000 0 Ipv6 0 4000...

Page 328: ...Field descriptions Ppp peer ip address optional Indicates whether the peer IP address is optional in the IPCP configuration request Example host1 show ppp peer ip address optional Ppp peer ip address optional enabled See show ppp peer ip address optional Troubleshooting Use the pppPacket log to diagnose problems on your PPP interfaces On dynamic PPP interfaces you can use the ppp log command withi...

Page 329: ...01 interface 0 0 1 11 0 1 time 0 01 tx lcp confAck id 156 length 18 mru 32759 magicNumber 0x2d8eac91 pfc acfc Use the no version to return the severity changes to their default setting or to the systemwide setting See log severity ppp log Use to enable PPP packet or state machine logging on any dynamic interface that uses the profile being configured Specify one of the following keywords pppPacket...

Page 330: ...Copyright 2010 Juniper Networks Inc 298 JunosE 11 2 x Link Layer Configuration Guide ...

Page 331: ...s into a single logical bundle More specifically MLPPP bundles multiple link layer channels into a single network layer channel Peers negotiate MLPPP during the initial phase of Link Control Protocol LCP option negotiation Each router indicates that it is multilink capable by sending the multilink option as part of its initial LCP configuration request An MLPPP bundle can consist of multiple physi...

Page 332: ...5 on page 300 Figure 35 MLPPP Aggregation of T1 Lines into a Single Bundle Because MLPPP aggregates multiple link layer channels onto a single network layer IP interface protocol layering within the router is different than for non multilink PPP Figure 36 on page 300 illustrates interface stacking with MLPPP Figure 36 Structure of MLPPP MLPPP LCP Extensions Multilink PPP adds the following LCP neg...

Page 333: ... selection method applies to both best effort packets such as data and non best effort high priority packets such as voice and video Best effort packets are encapsulated with an MLPPP header that contains a sequence number whereas non best effort packets are encapsulated with a PPP header that does not contain a sequence number The member links in an MLPPP bundle can experience different queuing d...

Page 334: ...figuration mode or Subinterface Configuration mode in the context of the individual link interface For more information see Configuring Static MLPPP on page 308 To configure hash based link selection for all current member links in an MLPPP bundle issue the ppp hash link selection command from Interface Configuration mode in the context of the MLPPP bundle Doing this has the same effect as issuing...

Page 335: ...x models and ERX310 router use the slot port format For example the following command specifies an ATM interface on slot 5 port 1 of an ERX7xx model ERX14xx model or ERX310 router host1 config interface atm 5 1 For E120 and E320 routers use the slot adapter port format which includes an identifier for the bay in which the I O adapter IOA resides In the software adapter 0 identifies the right IOA b...

Page 336: ...tes As an alternative to round robin packet distribution for non best effort traffic you can enable use of a hash based algorithm for distribution of non best effort high priority packets such as voice or video Using a hash based packet distribution mechanism instead of the default round robin packet distribution mechanism for non best effort traffic ensures that the router maintains the proper pa...

Page 337: ... based on the ports on which member links in the same bundle are configured A 4 port cOC3 STM1 I O module contains four ports numbered 0 through 3 When MLPPP reassembly is enabled you can configure a bundle with member links on the same port on ports 0 and 1 or on ports 2 and 3 However the router cannot properly reassemble fragments if you configure a bundle with member links that span ports in di...

Page 338: ...t does not exceed either of these maximums for example 4000 single link bundles 4000 two link bundles 2000 four link bundles and 1000 eight link bundles On a Service line module SM you can configure Up to 16 000 member links per line module not to exceed a total of 12 000 MLPPP bundles per chassis Any combination of bundles that does not exceed either of these maximums for example 4000 single link...

Page 339: ...PPPoE major interface over an ATM 1483 subinterface In this configuration you can stack multiple PPPoE subinterfaces over a single PPPoE major interface Typically when you create ATM PVCs on an ATM module there is a one to one correspondence between a PPPoE subscriber and the ATM PVC with which the subscriber is associated However in configurations with multiple PPPoE subinterfaces stacked over a ...

Page 340: ...mber order is violated To ensure that the router maintains the proper packet order when transmitting high priority non best effort packets such as voice and video you can use the ppp hash link selection command to enable use of a hash based algorithm to select the link on which the router transmits high priority packets on an MLPPP interface For details see MLPPP Link Selection on page 301 Before ...

Page 341: ...t1 config if ip address 10 10 100 1 255 255 255 0 d Optional Specify the keepalive timeout value for the MLPPP network interface the entire MLPPP bundle host1 config if ppp keepalive 50 e Optional Specify the authentication method for the MLPPP network interface the entire MLPPP bundle host1 config if ppp authentication pap chap f Optional Enable hash based link selection instead of the default ro...

Page 342: ...f an MLPPP bundle the MLPPP network interface the command affects all the member links of the bundle This feature prevents you from having to issue MLPPP configuration commands for each member link interface For example the following commands disable negotiation of the local magic number for the entire bundle group1 host1 config interface mlppp group1 host1 config if member interface serial 2 0 1 ...

Page 343: ...her the default VR or the VR specified by RADIUS If you specify a VR other than the default VR as the authentication VR AAA tightly binds the user to the specified VR This means that RADIUS cannot override the specified VR context with a new VR context during the authentication process When the ppp authentication virtual router command specifies a nondefault VR AAA returns the specified VR The rou...

Page 344: ...ation retries the router allows before terminating a PPP session This value applies to PAP and CHAP authentication The range is 0 7 The default is 0 which indicates that no retries are allowed Example host1 config if ppp max bad auth 3 Use the no version to return the number of retries to the default 0 See ppp max bad auth Configuring Other PPP Attributes The available ppp command options are the ...

Page 345: ...ash link selection Use to enable use of a hash based algorithm to select the link on which the router transmits non best effort high priority packets such as voice or video on an MLPPP interface Hash based MLPPP link selection is available only for non best effort traffic For best effort traffic the router uses a round robin algorithm for link selection Using hash based link selection instead of t...

Page 346: ...in the bundle host1 config interface mlppp group1 host1 config if ppp hash link selection Example 3 The following commands configure hash based MLPPP link selection for all dynamic MLPPP interfaces created by the profile named dynamicMlppp host1 config profile dynamicMlppp host1 config profile ppp multilink enable host1 config profile ppp hash link selection Use the no version to restore the defau...

Page 347: ...r state machine logging on any dynamic interface that uses the profile being configured Specify one of the following keywords pppPacket Enables PPP packet logging pppStateMachine Enables PPP state machine logging Example host1 config profile ppp log pppPacket NOTE This command is equivalent to the log severity debug pppPacket and log severity debug pppStateMachine commands Use the no version to di...

Page 348: ...er and a noncompliant PPP client Such renegotiation loops can cause excessive CPU utilization and can prevent the PPP client from coming up properly When a PPP client exceeds the configured maximum number of renegotation attempts the router sends a termination request to end the PPP session When the PPP session is terminated and LCP goes into a stopped closed state static PPP or MLPPP interfaces g...

Page 349: ...r layer MRU value minus the PPP header length to negotiate the local MRU If the value configured for the PPP MRU conflicts with a similar value configured for another protocol such as the MTU value for PPPoE the router uses the lesser of the two values If you issue the command in the context of an encapsulated MLPPP interface it affects only that interface If you issue the command in the context o...

Page 350: ...rd disables the Internet Protocol Control Protocol IPCP or OSI Network Layer Control Protocol OSINLCP service for the MLPPP network interface MLPPP bundle Issue only in the context of a network interface If no keywords are issued issuing this command has the following effect If issued in the context of an individual interface the command affects only that interface The ip and osi keywords are not ...

Page 351: ...outer egypt 4 Specify an IP loopback interface with which dynamic IP interfaces created using this profile will be associated host1 config profile ip unnumbered loopback 0 5 Optional Set other desired PPP characteristics by using the ppp commands described in Configuring Authentication on page 310 and Configuring Other PPP Attributes on page 312 ppp multilink enable Use in a profile to enable the ...

Page 352: ...erleaved with or race ahead of larger delay insensitive packets such as low priority data packets when they are transmitted in the network Supported Configurations Table 16 on page 320 lists the static and dynamic MLPPP configurations on E Series routers that support fragmentation and reassembly Table 16 Supported Configurations for MLPPP Fragmentation and Reassembly Dynamic MLPPP Configurations S...

Page 353: ...n a statically or dynamically created bundle has Link Control Protocol LCP parameters that are compatible with the other member links already in the bundle This validation includes examining the parameters configured for fragmentation and reassembly on a particular link interface and verifying that these parameters are compatible with the other member links in the bundle To ensure that the bundle ...

Page 354: ...static MLPPP configurations the router permits the failed link to join the bundle but forces the link into a down state For dynamic MLPPP configurations the router prohibits the failed link from joining the bundle and subsequently tears down the link Recovering from Bundle Validation Failure To recover from a bundle validation failure you must reconfigure the link interface for static MLPPP config...

Page 355: ...ppp fragmentation 128 host1 config if ppp reassembly 1590 host1 config if exit 7 Define the MLPPP bundle host1 config interface mlppp group1 8 Add each member link to the bundle host1 config if member interface serial 4 0 1 1 1 1 1 host1 config if member interface serial 4 0 1 1 1 1 2 9 Assign an IP address to the MLPPP bundle host1 config if ip address 10 10 100 1 255 255 255 0 Static MLPPP over ...

Page 356: ...host1 config profile dynmlppp1 host1 config profile 2 Enable the creation of dynamic MLPPP interfaces host1 config profile ppp multilink enable 3 Enable fragmentation on the link interface and optionally specify the maximum allowable fragment size to use host1 config profile ppp fragmentation 128 NOTE You can specify the maximum fragment size for a link only when you use the ppp fragmentation comm...

Page 357: ...to configure pppoe Dynamic MLPPP over L2TP Example The following example configures MLPPP fragmentation and reassembly for a dynamic MLPPP interface over L2TP over a Gigabit Ethernet interface host1 config ip router id 193 1 1 1 host1 config interface loopback 0 host1 config if ip address 193 1 1 1 255 255 255 0 host1 config if interface gigabitEthernet 1 1 host1 config if ip unnumbered loopback 0...

Page 358: ... mlppp member interface Use to add an MLPPP link interface also known as an MLPPP bundle member to an MLPPP bundle Example host1 config if member interface serial 2 0 1 1 Use the no version to remove the specified interface from the MLPPP bundle See member interface ppp fragmentation Use to enable fragmentation on an MLPPP link interface If fragmentation is enabled on the link you can optionally s...

Page 359: ...cket payload that the router can receive A link s MRRU must be greater than or equal to the local MRU on that link We recommend that all member links in an MLPPP bundle be assigned the same reassembly setting enabled or disabled Example host1 config if ppp reassembly 1590 Use the no version to disable reassembly on the link and restore the default value which is the local MRU on the link See ppp r...

Page 360: ...ity delay sensitive traffic such as voice and video are received in the proper sequence For information about multiclass MLPPP see Configuring Multiclass Multilink PPP on page 345 Monitoring MLPPP Use the commands in this section to display information about MLPPP interfaces You can set a statistics baseline for MLPPP serial member link or bundle multilink interfaces using the baseline ppp command...

Page 361: ...eline has been set Use the optional delta keyword with MLPPP show commands to specify that baselined statistics are to be shown Example host1 baseline ppp interface serial 2 0 1 1 There is no no version See baseline ppp interface Sample Display Without Baseline The following command displays PPP interface including MLPPP interface statistics without baselining host1 show ppp interface statistics P...

Page 362: ...as been set Interface statistics in out packets 0 0 octets 628 740 errors 0 0 discards 0 0 PPP multilink member interface serial 2 1 2 1 is up No baseline has been set Interface statistics in out packets 0 0 octets 628 740 errors 0 0 discards 0 0 PPP multilink member interface serial 2 1 3 1 is up No baseline has been set Interface statistics in out packets 0 0 octets 616 728 errors 0 0 discards 0...

Page 363: ...ce serial 2 0 2 1 is up Time since last baseline 00 10 22 Interface statistics in out packets 0 0 octets 102 104 errors 0 0 discards 0 0 PPP multilink member interface serial 2 0 3 1 is up Time since last baseline 00 00 19 Interface statistics in out packets 0 0 octets 112 126 errors 0 0 discards 0 0 PPP interface mlppp group2 is up PPP multilink member interface serial 2 1 1 1 is up Time since la...

Page 364: ...p shutdown command is operational Link interface administrative status Indicates whether the interface for the member linkisadministrativelyenabled open meaningthattheno pppshutdowncommand is operational or administratively disabled closed meaning that the ppp shutdown command is operational Configured network protocol Network protocol configured on the interface Fragmentation and reassembly confi...

Page 365: ...egotiate CHAP and if it is rejected negotiate PAP pap chap Negotiate PAP and if it is rejected negotiate CHAP magic number Controls whether the local magic number is negotiated enabled negotiate or disabled do not negotiate magic number mismatch Indicates whether the router is configured to ignore the LCP peer magic number and retain the PPP connection when the peer has not negotiated an LCP magic...

Page 366: ... The command displays a value of none for any negotiated option parameters if the option was not negotiated LCP Endpoint Discriminator options local discriminator class Endpoint discriminator type format and address space for the local system local endpoint discriminator Endpoint discriminator value for the local system within the specified class peer discriminator class Endpoint discriminator typ...

Page 367: ...valid subscriber entry and prevents additional IPCP negotiations enabled or disabled max negotiations Maximum number of renegotiation attempts that the router accepts before terminating a PPP session IPCP protocol status operational status IPCP operational status up down not present or not present no resources IPCP negotiated options ip address Negotiated IP address for the local and remote peer s...

Page 368: ...P multilink member interface serial 2 0 1 1 is up PPP multilink member interface serial 2 0 2 1 is up PPP multilink member interface serial 2 0 3 1 is up PPP interface mlppp group2 is up PPP multilink member interface serial 2 1 1 1 is up PPP multilink member interface serial 2 1 2 1 is up PPP multilink member interface serial 2 1 3 1 is up PPP interface mlppp group3 No member interfaces found Exa...

Page 369: ...s is closed Link interface fragmentation is enabled Link interface fragment size is 128 Link interface reassembly is enabled Link interface administrative MRRU is 2000 1 mlppp interfaces found Example 5 Displays statistics about all configured MLPPP member links configured in bundle group1 host1 show ppp interface mlppp group1 statistics PPP interface mlppp group1 is up PPP multilink member interf...

Page 370: ...none none primary wins address none none secondary wins address none none OSINLCP protocol configuration configured false administrative status open OSINLCP protocol status operational status not present terminate reason not configured PPP multilink member interface serial 2 0 1 1 is up Link interface administrative status is open No baseline has been set Interface statistics in out packets 0 0 oc...

Page 371: ...ive timer 30 seconds restart timer 3 seconds max terminate 2 max configure 10 max failure 5 LCP protocol status link status network LCP negotiated options local peer max receive unit 1590 1590 max receive reconstructed unit 1590 1590 authentication none none magic number 0x7ada4a05 0x1bb178cd pfc none none acfc none none LCP Endpoint Discriminator options local discriminator class Locally Assigned...

Page 372: ...n keepalive replies 74 out keepalive replies 74 keepalive failures 0 1 mlppp interfaces found Example 8 Displays information about the MLPPP interface host1 show ppp interface mlppp 0 0 1 full PPP interface mlppp 0 0 1 is up Network interface administrative status is open Configured network protocols are IPCP IPV6CP IPCP protocol configuration configured true administrative status open ip address ...

Page 373: ... PPP interfaces Configuration status Indicates the configuration state of the PPP interface IPCP IPv6CP OSINLCP or MPLS configured Interface or protocol is configured notConfigured Interface or protocol is not configured Administrative status Indicates the administrative state of the PPP interface IPCP IPv6CP OSINLCP or MPLS open Interface or protocol is administratively enabled closed Interface o...

Page 374: ...tus open closed Interface 4000 0 Ip 4000 0 Ipv6 4000 0 Osi 4000 0 Mpls 4000 0 Operational status up down notPresent noResources Interface 4000 0 0 n a Ip 4000 0 0 0 Ipv6 0 0 4000 0 Osi 0 0 4000 0 Mpls 0 0 4000 0 Operational status lowerDown passive tunnel Interface 0 0 0 PPP Multilink Status Configuration status configured notConfigured Link Interface 8000 n a Network Interface 2000 n a Ip 2000 0 ...

Page 375: ...0 0 2000 0 Operational status lowerDown passive tunnel Link Interface 0 0 0 Network Interface 0 0 0 See show ppp interface summary 343 Copyright 2010 Juniper Networks Inc Chapter 9 Configuring Multilink PPP ...

Page 376: ...Copyright 2010 Juniper Networks Inc 344 JunosE 11 2 x Link Layer Configuration Guide ...

Page 377: ...iorities into multiple classes in an MLPPP bundle It enables you to interleave data packets of higher priority between packets of lower priority before transmission When the MLPPP bundle consists of more than one multilink interface multiclass MLPPP ensures the delivery of high priority delay sensitive traffic such as voice and video in the proper sequence Multiclass MLPPP accomplishes this by cre...

Page 378: ...e configuration for each link in a bundle is identical Related Topics Configuring Multiclass MLPPP on page 348 Chapter 9 Configuring Multilink PPP Multiclass MLPPP Traffic Classes Overview A traffic class is a system wide collection of buffers queues and bandwidth that you can allocate to provide a defined level of service to packets in the traffic class With multiclass MLPPP high priority and low...

Page 379: ...tilink header format option The two number formats that are negotiated for the multilink header format option are Short sequence number Long sequence number The router currently supports only long sequence numbers Prefix elision Prefix elision informs the receiving peer that only packets with a certain prefix must be accepted This prefix is not transmitted as part of the information in the fragmen...

Page 380: ...adapter 0 port 0 of an E320 router host1 config interface gigabitEthernet 3 0 0 Related Topics Configuring Multiclass MLPPP on page 348 Interface Types and Specifiers in JunosE Command Reference Guide Multiclass MLPPP Overview on page 345 Multiclass MLPPP References For more information about multiclass MLPPP see the following resources RFC 1990 The PPP Multilink Protocol MP August 1996 RFC 2686 T...

Page 381: ...t multilink classes are supported per MLPPP interface Before you enable multiclass MLPPP Define the QoS traffic classes See Configuring Traffic Classes That Define Service Levels To enable multiclass MLPPP and create a specified number of multilink classes on a dynamic MLPPP interface 1 From Global Configuration mode create an MLPPP dynamic profile by assigning it a name host1 config profile ppp m...

Page 382: ... to be mapped to the multilink classes To map QoS traffic classes to multilink classes in a dynamic profile host1 config profile ppp multilink multiclass traffic class best effort voice otherData video To map QoS traffic classes to multilink classes in a static MLPPP interface host1 config if ppp multilink multiclass traffic class best effort voice otherData video NOTE You must include the best ef...

Page 383: ...pp multilink multiclass fragmentation Configuring Reassembly on Multiclass MLPPP Interfaces You can configure reassembly on a multiclass MLPPP interface with the same maximum received reconstructed unit MRRU value as that of the MLPPP interface Before you configure reassembly on the multiclass MLPPP interface Ensure that reassembly is enabled on the MLPPP interface See Configuring MLPPP Fragmentat...

Page 384: ...g traffic class low latency host1 config traffic class fabric strict priority For more information about defining QoS traffic classes see Traffic Class and Traffic Class Groups Overview 2 Create a dynamic profile host1 config profile ppp multilink dynamic profile 3 Configure multiclass MLPPP in the dynamic profile host1 config profile ppp multilink multiclass multilink classes 4 host1 config profi...

Page 385: ...e static interface host1 config if ppp multilink multiclass multilink classes 3 host1 config if ppp multilink multiclass traffic class best effort video low loss 4 Configure fragmentation and reassembly on the multiclass MLPPP interface host1 config if ppp multilink multiclass fragmentation best effort video low loss host1 config if ppp multilink multiclass reassembly best effort video low loss Re...

Page 386: ...st 0 reordered 0 0 discarded fragments bytes 0x0 last received sequence number Transmit Class 0 0 fragments 0x8 last sent sequence number Transmit Class 1 0 fragments 0x0 last sent sequence number 1 mlppp interfaces found To display complete configuration statistics and status information of multiclass MLPPP member links configured in the specified MLPPP bundle host1 show ppp interface mlppp bundl...

Page 387: ...ultilink multiclass fragmentation Configuration of reassembly of the multiclass MLPPP interface enabled or disabled If reassembly is enabled then it also lists the QoS traffic classes on which reassembly is enabled PPP multilink multiclass reassembly Number of MLPPP interfaces configured mlppp interfaces found When baselining is configured the time since the last baseline was set is displayed in h...

Page 388: ...red MLPPP interface MLPPP interface interfaceName Negotiated LCP options for the local and peer systems max receive unit Negotiated maximum receive unit in octets for the local and remote peer side of the link max receive reconstructed unit Negotiated maximum receive reconstructed unit in octets for the local and remote peer side of the link authentication Negotiatedauthenticationmethod none pap o...

Page 389: ...Related Topics Configuring Multiclass MLPPP on page 348 show ppp interface 357 Copyright 2010 Juniper Networks Inc Chapter 10 Configuring Multiclass Multilink PPP ...

Page 390: ...Copyright 2010 Juniper Networks Inc 358 JunosE 11 2 x Link Layer Configuration Guide ...

Page 391: ...deal feature for networks that are built for providing Internet or IP data It provides superior bandwidth utilization and efficiency compared with other transport methods For expensive WAN links packet over SONET can provide as much as 25 to 30 percent higher throughput than networks based on Asynchronous Transfer Mode ATM By transporting frames directly into the SONET SDH payload the overhead req...

Page 392: ...peeds start at 51 84 Mbps and are referred to as OC1 SDH transmission speeds start at 155 52 Mbps and are referred to as STM1 All other speeds are multiples of these base numbers Table 18 on page 360 shows the speeds of the most common SONET SDH implementations Table 18 Most Common SONET SDH Implementations Transmission Speed SDH SONET 51 84 Mbps OC1 155 52 Mbps STM1 OC3 622 08 Mbps STM4 OC12 2 4 ...

Page 393: ...port subinterface format For example the following command specifies a POS interface on slot 0 port 1 of an ERX7xx model ERX14xx model or ERX310 router host1 config interface pos 0 1 For E120 and E320 routers use the slot adapter port format which includes an identifier for the bay in which the I O adapter IOA resides In the software adapter 0 identifies the right IOA bay E120 router and the upper...

Page 394: ...resses and subnet mask assignments for IP interfaces Configuration Tasks To configure a POS interface 1 Configure a physical interface host1 config interface pos 0 1 2 Optional Assign a text description or an alias to the interface host1 config if pos description austin01 pos interface 3 Configure the encapsulation method host1 config if encapsulation ppp 4 Optional Configure the internal clock so...

Page 395: ... technique that uses a calculated numeric value to detect errors in transmitted data 16 and 32 indicate the number of check digits per frame that are used to calculate the frame check sequence FCS Both the sender and receiver must use the same setting Example host1 config if crc 32 Use the no version to restore the default value 16 See crc encapsulation frame relay ietf Use to specify Frame Relay ...

Page 396: ...or 1 where 0 indicates that the IOA is installed in the right IOA bay E120 router or the upper IOA bay E320 router 1 indicates that the IOA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on the IOA For more information about modules that support POS interfaces see chapter Configuring Unchannelized OCx STMx Interfaces in JunosE Physical Layer Configur...

Page 397: ... Specify a value in the range 1 9996 bytes Example host1 config if mru 1000 Use the no version to restore the default value 4470 See mru mtu Use to set the maximum allowable size of the MTU Specify a value in the range 1 9996 bytes Example host1 config if mtu 1000 Use theno version to restore the default value 4470 See mtu pos description Use to assign a text description or an alias to a POS HDLC ...

Page 398: ...er synchronous scrambler to scramble the output data Example host1 config if pos scramble atm Use the no version to disable scrambling on the POS interface See pos scramble atm shutdown Use to disable a POS interface Example host1 config if shutdown Use the no version to restart a disabled interface See shutdown Monitoring POS Use the show interfaces pos command to display information about the PO...

Page 399: ...X310 router use the slot port subinterface format slot Number of the chassis slot port Port number on the I O module subinterface Number of the subinterface To specify a POS interface for E120 and E320 routers use the slot adapter port format slot Number of the chassis slot adapter Identifier for the IOA within the E320 chassis either 0 or 1 where 0 indicates that the IOA is installed in the right...

Page 400: ... interface speed Line speed of the interface Hdlc scrambling Status of payload scrambling on the interface on off 5 minute input rate Data rates based on the traffic received in the last five minutes 5 minute output rate Data rates based on the traffic sent in the last five minutes Packets received Number of incoming packets received on this interface Bytes received Number of incoming bytes receiv...

Page 401: ...000 Hdlc scrambling is off 5 minute input rate 24910848 bits sec 1023242 packets sec 5 minute output rate 24905728 bits sec 1023233 packets sec Interface statistics Packets received 1066995954 Bytes received 3836558195 Errored packets received 0 Packets sent 1055275550 Bytes send 3039550548 Errored packets sent 0 See show interfaces 369 Copyright 2010 Juniper Networks Inc Chapter 11 Configuring Pa...

Page 402: ...Copyright 2010 Juniper Networks Inc 370 JunosE 11 2 x Link Layer Configuration Guide ...

Page 403: ...for Configuring Duplicate Protection for IWF PPPoE Sessions on page 391 Configuration Examples for ATM to Ethernet Interworking Functions on page 392 Configuring PPPoE for Ethernet Modules on page 394 Configuring PADM Messages on page 402 Configuring PADN Messages on page 404 Configuring PPPoE Service Name Tables on page 405 Configuring PADS Packet Content on page 413 Configuring PPPoE Remote Circ...

Page 404: ...f the remote peer as well as establish a unique session identifier When a host wants to initiate a PPPoE session it must first perform Discovery to identify the Ethernet MAC address of the peer and establish a PPPoE session ID Although PPP defines a peer to peer relationship Discovery is inherently a client server relationship In the Discovery process a host acting as a client discovers a remote a...

Page 405: ... indicating other services that the AC offers A PPPoE service name table consists of one or more service name entries and their associated action The PPPoE service name table can include three types of service name tags Custom service name tag serviceName A service entry that represents a specific client service that an AC can support The length of the custom service name tag can be up to 31 alpha...

Page 406: ...me table includes one empty service name tag and one unknown service name service tag An empty service name tag is a service tag of zero length that is used to represent any service An unknown service name service tag is used to represent a service tag that has not been configured in the service name table In addition to these two tags you can configure up to 16 custom service name tags per table ...

Page 407: ...nneling Protocol L2TP network server LNS to uniquely identify subscriber locations This feature is supported on all modules on which you can configure PPPoE interfaces The feature is particularly useful in Ethernet based Broadband Remote Access Server B RAS configurations as a means of uniquely identifying subscribers connected to the router on a single Ethernet link For detailed configuration ins...

Page 408: ...mote circuit ID you can use one of the radius remote circuit id format commands listed in Table 20 on page 376 Table 20 Configuring Nondefault Formats for the PPPoE Remote Circuit ID Use This Command To Configure This Nondefault Format host1 config radiusremote circuit id format agent remote id Include only the agent remote id suboption suboption 2 of the tags supplied by the PPPoE intermediate ag...

Page 409: ...tion about how to use this command see radius remote circuit id delimiter on page 418 Format for dsl forum 1 Keyword When you specify the radius remote circuit id format command with the dsl forum 1 keyword the router appends the agent circuit id suboption value to an interface specifier that is consistent with the recommended format in the DSL Forum Technical Report TR 101 Migration to Ethernet B...

Page 410: ...s and Specifiers in JunosE Command Reference Guide Format Examples for dsl forum 1 Keyword Table 21 on page 378 provides several examples of how the router uses the conventions describedin Formatfordsl forum 1Keyword onpage377totranslateinternallygenerated interface specifiers into the format of the dslForum1InterfaceSpecifier value The examples in the table use adapter 1 for interfaces on an E120...

Page 411: ... eth 4 1 1 10 20 Ignores subinterface 3 Replaces hyphen between svlanId and vlanID with period Uses other values as supplied gigabitEthernet 4 1 1 3 10 20 Gigabit Ethernet interface on slot 4 adapter 1 port 1 subinterface 3 with S VLAN ID 10 and VLAN ID 20 Use by RADIUS or L2TP Enabling the router to capture and format the PPPoE remote circuit ID sent from the DSLAM has no effect by itself To use ...

Page 412: ...er MTU sizes for PPP traffic With JunosE PPPoE MTU you can control the deployment of larger packet sizes You can configure PPPoE MTU directly on the PPPoE interface or use a dynamic configuration profile When you use the PPPoE MTU tag each PPPoE subinterface can have a unique MTU value Operational MTU is the lesser of the PPPoE MTU or the lower layer MTU minus the PPPoE overhead You can use the pp...

Page 413: ...example the following command specifies ATM 1483 subinterface 10 on slot 0 port 1 of an ERX7xx model ERX14xx model or ERX310 router host1 config interface atm 0 1 10 For E120 and E320 routers use the slot adapter port subinterface format which includes an identifier for the bay in which the I O adapter IOA resides In the software adapter 0 identifies the right IOA bay E120 router and the upper IOA...

Page 414: ...A or PPPoE over ATM traffic This indication enables the B RAS application to modify its behavior for interworked PPPoE sessions To denote that a PPPoE session contains interworked traffic the PPPoE client or the host includes the IWF Session DSL Forum VSA 26 254 in the unicast PPPoE Active Discovery Request PADR packet that it transmits to the PPPoE access concentrator to which it wants to connect...

Page 415: ...g the PPPoE discovery stage The IWF PPPoE tag enables the B RAS application running on E Series routers to distinguish the IWF PPPoE session from the regular PPPoE sessions to overcome the limit on the B RAS the maximum number of PPPoE sessions per MAC address as a protection from DoS attacks sourced from the same MAC address For more information about ATM to Ethernet interworking functions see th...

Page 416: ...51 To configure PPPoE over ATM 1 Configure a physical interface host1 config interface atm 0 1 2 Configure the ATM 1483 subinterface host1 config if interface atm 0 1 20 3 Configure a PVC by specifying the vcd virtual circuit descriptor the vpi virtual path identifier the vci virtual channel identifier and the encapsulation type host1 config if atm pvc 10 22 100 aal5snap 4 Select PPPoE as the enca...

Page 417: ...nal PPPoE subinterfaces by completing Steps 6 through 11 using unique numbering host1 config subif interface atm 0 1 20 2 pppoe max session vsa Use to override the current PPPoE maximum session value set with the pppoe sessions command with the PPPoE maximum session value returned by the RADIUS server in the Max Clients Per Interface VSA 26 143 RADIUS returns the Max Clients Per Interface VSA valu...

Page 418: ...r of active PPPoE sessions is less than or equal to the PPPoE maximum session value returned by RADIUS PPPoE proceeds with creation of the PPPoE interface The following table shows examples of the PPPoE maximum session value when a new subscriber logs in and indicates the status of the current session Status of Session New Number of PPPoE Sessions New PPPoE Maximum Session Value Existing Number of...

Page 419: ...must match the value on the switch The parameters vpi and vci cannot be both set to 0 if one is 0 the other cannot be 0 vci Virtual channel identifier The VCI is a 16 bit field in the ATM cell header The VCI value is unique on a single link not throughout the ATM network because it has meaning only to the E Series router The parameters vpi and vci cannot be both set to 0 if one is 0 the other cann...

Page 420: ...x models ERX14xx models and ERX310 router use the slot port subinterface format slot Number of the chassis slot port Port number on the I O module subinterface Number of the subinterface in the range 1 2147483647 To specify an ATM interface for E120 and E320 routers use the slot adapter port subinterface format slot Number of the chassis slot adapter Identifier for the IOA within the E320 chassis ...

Page 421: ...characters Example host1 config subif pppoe acName CYM9876 Use the no version to remove the AC name See pppoe acName pppoe duplicate protection Use to prevent a client from establishing more than one session using the same MAC address This feature is disabled by default For PPPoE sessions that contain the IWF Session DSL Forum VSA 26 254 in the PADR packets sent from the client to the PPPoE access...

Page 422: ...lt value 1494 See pppoe mtu pppoe sessions Use to specify the maximum number of PPPoE subinterfaces permitted on an interface in the range 1 8000 ERX routers or 1 32 000 E120 and E320 router On the ES2 10G ADV LM E120 and E320 router you can have PPPoE subinterfaces in the range 1 32000 The default value is 8000 ERX routers or 16 000 E120 and E320 router or 32 000 ES2 10G ADV LM The pppoe sessions...

Page 423: ...PPoE sessions with the same MAC address that contain the IWF tag to be established This feature is useful for IWF PPPoE sessions because of a number of such sessions contain the same MAC address of the DSLAM at which multiplexing and conversion functions are performed Guidelines for Configuring Duplicate Protection for IWF PPPoE Sessions Keep the following points in mind when you configure duplica...

Page 424: ...DSLAMs Connected to a PPPoE Access Concentrator Example on page 393 Single DSLAM Connected to a PPPoE Access Concentrator Example Consider a topology in which a DSLAM multiplexes multiple PPPoE over ATM sessions over the Ethernet aggregate network using interworking functionality between PPPoE over ATM and PPPoE Figure 39 on page 393 shows a sample configuration scenario in which one DSLAM is conn...

Page 425: ...default The suboption for the IWF Session DSL Forum VSA 26 254 contains the field code of 0xFE in PADR packet and its length field is set to 0x00 Multiple DSLAMs Connected to a PPPoE Access Concentrator Example Consider another scenario in which the access node assigns the same S VLAN ID to a group of ports Figure 40 on page 394 shows a sample configuration scenario in which multiple DSLAMs are co...

Page 426: ...net Modules You can configure PPPoE on Fast Ethernet FE Gigabit Ethernet GE and 10 Gigabit Ethernet 10GE modules You can configure Ethernet interfaces with IP only with PPPoE only with both IP and PPPoE and with or without VLANs This section provides information about configuring PPPoE without VLANs If you want to configure PPPoE with VLANs see Configuring VLAN and S VLAN Subinterfaces on page 167...

Page 427: ...41 on page 395 Figure 41 Example of Configuring IPv4 and IPv6 over PPPoE IPv4 IPv6 g016516 PPP interface PPPoE subinterface PPP interface PPPoE subinterface PPPoE interface Gigabit Ethernet IPv4 VLAN To configure IPv4 and IPv6 interface columns over static PPPoE 1 Specify a Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet interface host1 config interface gigabitEthernet 2 0 1 2 Specify VLAN a...

Page 428: ...ertisement 2002 1 64 60000 45000 onlink autoconfig 11 Optional Configure additional VLAN subinterfaces by completing Steps 3 through 10 encapsulation ppp Use to specify PPP as the encapsulation method for the interface Example host1 config if encapsulation ppp Use the no version to disable PPP on an interface See encapsulation ppp encapsulation vlan Use to configure VLAN as the encapsulation metho...

Page 429: ...nterface You supply an interface location that is the type and number of another interface on which the router has an assigned IPv6 address This interface cannot be another unnumbered interface Example host1 config if ipv6 unnumbered loopback 0 Use the no version to disable IPv6 processing on an interface See ipv6 unnumbered ppp authentication Use to request authentication from a PPP peer and set ...

Page 430: ... Example host1 config if pppoe Use the no version to remove the PPPoE major interface See pppoe vlan id Use to specify the VLAN ID Use a VLAN ID that is in the range 0 4095 and is unique within the Ethernet interface Examples host1 config if vlan id 400 host1 config if vlan id 4 255 mac address 0090 1a01 1234 There is no no version See vlan id Configuring PPPoE Without VLANs To configure PPPoE ove...

Page 431: ... duplicate protection 7 Assign an IP address and mask host1 config if ip address 192 6 129 5 255 255 255 0 8 Optional Configure additional PPPoE subinterfaces by completing Steps 3 through 7 using unique numbering Figure 42 on page 399 illustrates the interface stack for this configuration Figure 42 Example of PPPoE Stacking encapsulation ppp Use to specify PPP as the encapsulation method for the ...

Page 432: ...ernet Interfaces in JunosE Physical Layer Configuration Guide Examples host1 config interface gigabitEthernet 1 0 host1 config interface gigabitEthernet 4 0 1 6 0 0FRS host1 config interface tenGigabitEthernet 4 0 1 Use the no version to remove IP from an interface You must issue the no version from the highest level down you cannot remove an interface or subinterface if the one above it still exi...

Page 433: ...ehavior occurs because the interworking functionality IWF causes a PPPoE over ATM or PPP over ATM PPPoA session to be converted by the digital subscriber line access multiplexer DSLAM into a PPPoE session As a result of this conversion the MAC addresses of all IWF PPPoE sessions contain the MAC address of the DSLAM device For PPPoE sessions with the IWF Session VSA duplication of MAC addresses is ...

Page 434: ...d to the router Send MOTM and URL messages to all clients connected to a subinterface Configure profiles to send MOTM and URL messages to new clients created when the profile is dynamically attached to an IP interface NOTE You can use the pppoe motm command at three different points in the configuration process Privileged Exec Interface Configuration and Profile Configuration modes You can use the...

Page 435: ...uration mode Example host1 config profile pppoe motm Router going down now Use the no version to disable the message See pppoe motm pppoe url Use in the context of a PPPoE subinterface to cause the PPPoE application to send the specified PADM message to the client as it is configured if connected The message is also sent whenever the subinterface transitions from down to up The message string is s...

Page 436: ... set of routes The client can use this set of routes to determine which session to use based on the destination IP address The PADN packet data is relevant only when the PPP network layer is up To reach an up state PPP alerts PPPoE after the Network Control Protocol NCP completes negotiation The routes of interest can be maintained on the router in domain maps NOTE For information about domain map...

Page 437: ...ulating PPPoE Service Name Tables To create and populate a PPPoE service name table on the router 1 From Global Configuration mode create a PPPoE service name table by assigning it a name host1 config pppoe service name table myServiceTable1 This command accesses PPPoE Service Name Table Configuration mode and builds a default PPPoE service name table named myServiceTable1 The table contains two e...

Page 438: ...yQOSClass3 empty service name tags and unknown service name tag The router is directed to drop all PADI requests containing the myISPService or myQOSClass2 or the empty service name tags Table 24 PPPoE Service Name Table with Entries Action Service Name Drop myISPService Terminate myQOSClass1 Drop myQOSClass2 Terminate myQOSClass3 Drop Terminate unknown service name 3 Exit PPPoE Service Name Table...

Page 439: ...lient The default action for a custom service entry is terminate To modify the action associated with an unknown service entry use the unknown service name keyword with the action keyword This directs the router to terminate allow PADI requests from the PPPoE client The default action for an unknown service name entry is drop The default action for the unknown service name entry depends on the con...

Page 440: ... PPPoE service name table for use with a static interface assign the service name table to the PPPoE major interface PPPoE over ATM Configurations To enable a PPPoE service name table for use with a static interface in PPPoE over ATM configurations 1 Configure an ATM physical interface host1 config interface atm 3 0 2 Configure an ATM 1483 subinterface host1 config if interface atm 3 0 1 3 Configu...

Page 441: ...a PPPoE service name table to a PPPoE major interface for use by a static ATM 1483 subinterface Specify the name of the PPPoE service name table configured with the pppoe service name table command from Global Configuration mode Example host1 config subif pppoe service name table myServiceTable1 Use the no version to remove the PPPoE service name table assignment See pppoe service name table PPPoE...

Page 442: ...erface or subinterface see interface gigabitEthernet on page 400 and interface tenGigabitEthernet on page 400 on interface tenGigabitEthernet on page 667 Examples host1 config interface gigabitEthernet 1 0 host1 config interface gigabitEthernet 4 0 1 6 0 0FRS host1 config interface tenGigabitEthernet 4 0 1 Use the no version to remove IP from an interface You must issue the no version from the hig...

Page 443: ... To enable a PPPoE service name table for use with a dynamic interface 1 Create a profile by assigning it a name host1 config profile baseProfile 2 Assign the PPPoE service name table to the profile as a PPPoE characteristic host1 config profile pppoe service name table myServiceTable1 3 Exit Profile Configuration mode host1 config profile exit 4 Configure a physical interface On ERX7xx models ERX...

Page 444: ...mation about specifying the ATM interface or subinterface see interface atm on page 388 Examples host1 config interface atm 3 0 1 host1 config interface atm 3 0 0 1 Use the no version to remove the interface or subinterface See interface atm pppoe service name table Use from Profile Configuration mode to assign a PPPoE service name table to a profile for use by the dynamic PPPoE interface column a...

Page 445: ... by the AC to help protect against denial of service DoS attacks If necessary for compatibility with your network equipment you can issue the pppoe pads disable ac info command to prevent the router from sending the AC Name and AC Cookie tags in the PADS packet pppoe pads disable ac info Use to prevent the router from sending the AC Name and AC Cookie tags in the PADS packet The pppoe pads disable...

Page 446: ...uboption 1 of the PPPoE intermediate agent tags sent from the DSLAM b Optional Use the show pppoe interface command for static PPPoE interfaces or the show profile command for dynamic PPPoE interfaces to verify that PPPoE remote circuit capture is enabled host1 show pppoe interface fastEthernet 4 1 1 host1 show profile name pppoeTest For information about how to use these commands see show pppoe i...

Page 447: ...oE remote circuit ID value to a RADIUS server to an LNS or to both a Configure RADIUS to use the PPPoE remote circuit ID captured from the DSLAM in place of either or both of the Calling Station Id 31 and NAS Port Id 87 RADIUS attributes host1 config radius override calling station id remote circuit id host1 config radius override nas port id remote circuit id b Configure the E Series L2TP access ...

Page 448: ... remote id Several simpler formats include only either or both of the PPPoE suboptions agent circuit id and agent remote id Example 1 host1 config aaa tunnel calling number format descriptive include agent circuit id Example 2 host1 config aaa tunnel calling number format descriptive include agent circuit id include agent remote id Example 3 host1 config aaa tunnel calling number format include ag...

Page 449: ...pture and process a vendor specific tag containing a remote circuit ID transmitted from a DSLAM The router can then send this value to a RADIUS server or to an L2TP network server LNS to uniquely identify subscriber locations Examples host1 config if pppoe remote circuit id host1 config profile pppoe remote circuit id Use the no version to restore the default behavior which is not to capture and p...

Page 450: ... intermediate agent You can use this command to configure one of the following nondefault formats for the PPPoE remote circuit ID value To include the agent circuit id suboption use the agent circuit id keyword To include the agent remote id suboption suboption 2 of the tags supplied by the PPPoE intermediate agent use the agent remote id keyword To include the NAS Identifier 32 RADIUS attribute u...

Page 451: ...oE remote circuit ID value to include the NAS Identifier 32 RADIUS attribute with the agent remote id suboption of the tags supplied by the PPPoE intermediate agent host1 config radius remote circuit id format nas identifier agent remote id Example 5 Formats the PPPoE remote circuit ID value to include the NAS Identifier 32 RADIUS attribute with both the agent circuit id and agent remote id subopt...

Page 452: ...ng is requested the time since the last baseline was set is displayed in hours minutes seconds or days hours format If a baseline has not been set the message No baseline has been set is displayed instead Use the optional delta keyword with PPPoE show commands to specify that baselined statistics will be shown Examples host1 baseline pppoe interface atm 2 0 1 1 host1 baseline pppoe interface atm 2...

Page 453: ...e the router displays the PPPoE interface and Status parameters for that interface If you specify an interface and subinterface the router displays detailed parameters available for that subinterface Field descriptions PPPoE interface Interface identifier For more information about specifying the physical interface see Interface Types and Specifiers in JunosE Command Reference Guide Status Operati...

Page 454: ... PADR received PADR transmitted Number of request control packets received transmitted PADSreceived PADStransmitted Numberofsessionconfirmationcontrolpackets received transmitted PADT received PADT transmitted Number of termination control packets received transmitted PADM received PADM transmitted Number of message control packets received transmitted PADN received PADN transmitted Number of netw...

Page 455: ...nterfaces on page 511 Min Minimum lockout time in seconds Max Maximum lockout time in seconds Total clients in active lockouts Number of PPPoE clients currently undergoing dynamic encapsulation type lockout Total clients in lockout grace period Number of PPPoE clients currently in a lockout grace period Example 1 host1 show pppoe interface atm 1 0 1 PPPoE interface ATM 1 0 1 is operStatusUp dynami...

Page 456: ...erface fastEthernet 9 4 has no acName set PPPoE interface fastEthernet 9 4 is in test mode PPPoE interface fastEthernet 9 4 has 16 active connections out of 16 configured subinterfaces PPPoE Statistics Counters PADI received 0 PADI transmitted 16 PADO received 16 PADO transmitted 0 PADR received 0 PADR transmitted 16 PADS received 16 PADS transmitted 0 PADT received 0 PADT transmitted 0 PADM recei...

Page 457: ...alid PAD packets 0 Total Invalid PAD packets 0 Insufficient Resources 0 Lockout Configuration seconds Min 10 Max 120 Total clients in active lockouts 0 Total clients in lockout grace period 0 Example 4 Uses the PPPoE MTU tag host1 show pppoe interface full PPPoE interface FastEthernet 2 0 is operStatusUp PPPoE interface FastEthernet 2 0 has max sessions 8000 PPPoE interface FastEthernet 2 0 will u...

Page 458: ...w pppoe interface summary Use to display the operational and administrative status of all configured PPPoE interfaces Field descriptions TotalPPPoEinterfaces NumberofconfiguredPPPoEinterfacesincludedinsummary Administrative Status Up Number of interfaces not affected by manual administrative intervention Down Number of interfaces that cannot flow because of manual administrative intervention Opera...

Page 459: ...oe service name table command Empty service name action terminate or drop Service name Name of the custom service name tag configured with the service command action Action terminate or drop associated with the service name tags configured using the action keyword with the service command Unknown service name action terminate or drop Example 1 Displays the names of PPPoE service name tables that y...

Page 460: ... configured PPPoE subinterface number and status for all configured PPPoE subinterfaces If you specify an interface with no subinterface the router displays the status for the subinterfaces associated with the interface If you specify an interface and subinterface the router displays detailed parameters available for that subinterface To display configuration status and statistics information use ...

Page 461: ... show pppoe subinterface fullPPPoE subinterface FastEthernet 2 0 11 is operStatusUp dynamic PPPoE subinterface FastEthernet 2 0 11 has a session id of 8 PPPoE subinterface FastEthernet 2 0 11 has source MAC address 0090 1a40 280a PPPoE subinterface FastEthernet 2 0 11 has a MTU of 1494 PPPoE Statistics In Octets 165922 Out Octets 108283 In Packets 3607 Out Packets 3608 See show pppoe subinterface ...

Page 462: ...ile use the name keyword To display a list of profiles configured on the router use the brief keyword Field descriptions Profile Name of the profile that is displayed IP address IP address and subnet mask of the interface or none if the interface is unnumbered Unnumbered interface Specifier for the unnumbered interface or none if the interface is numbered Router Name of the virtual router VR assig...

Page 463: ...P Input policy Name of input policy and whether statistics are enabled or disabled Output policy Name of output policy and whether statistics are enabled or disabled PPP Keepalive PPP keepalive period in seconds PPP Magic Number Enabled or disabled PPP Peer DNS Priority Enabled or disabled PPP Peer WINS Priority Enabled or disabled PPP Authentication Type of authentication configured PAP CHAP or n...

Page 464: ...disabled PPPoE Log PPPoeControlPacket Enabled or disabled PPPOE duplicate protect Enabled or disabled PPPoE ACNAME Access concentrator name PPPoE URL URL sent in PADM message to PPPoE clients PPPoE MOTM Message of the minute sent in the PADM message to PPPoE clients PPPoE Service Name Table Name of the PPPoE service name table if configured for the specified profile Example Displays configuration ...

Page 465: ...ttp www urlofinterest com PPPoE MOTM goodmorning PPPoE Service Name table myServiceTable1 See show profile show radius override Use to display the current override settings configured on the RADIUS client LNS for the NAS IP Address 4 NAS Port Id 87 Calling Station Id 31 and NAS Identifier 32 RADIUS attributes Field descriptions nas ip addr Override setting for the NAS IP Address attribute nas port...

Page 466: ...components the display lists the components included and the order in which they appear If the PPPoE remote circuit ID value is configured to use the format for the dsl forum 1 keyword of radius remote circuit id format on page 418 the display indicates that this format is in effect The default format is agent circuit ID Example host1 show radius remote circuit id format nas identifier agent circu...

Page 467: ... RX a0 00 2e v0 RX a0 00 2e v0 RX a0 00 2e v0 RX a0 00 2e v0 RX a0 00 2e v0 RX a0 00 2e v0 RX a0 00 2e v0 config t Enter configuration commands one per line End with CNTL Z RX a0 00 2e v0 config interface atm 10 1 1 1 RX a0 00 2e v0 config if ppp shut RX a0 00 2e v0 config if DEBUG 07 25 2000 15 13 38 pppoeControlPacket interface atm 10 0 1 PADT rx from 00 09 01 a0 00 2e RX a0 00 2e v0 config if R...

Page 468: ...Copyright 2010 Juniper Networks Inc 436 JunosE 11 2 x Link Layer Configuration Guide ...

Page 469: ...o respond to ARP requests on behalf of an Ethernet end node The router performs proxy ARP for the ARP requests that come in over the bridged IP interface when both of the following conditions are met The IP address in the ARP request matches an entry in the routing table The route is on a different interface than the one on which the router received the ARP request If you specify that the bridged ...

Page 470: ...ver for configuration parameters The DHCP server is typically centrally located and operated by the network administrator Because a network administrator manages the server DHCP clients can obtain reliable parameters appropriate to the current network architecture For information about DHCP see DHCP Overview Information Platform Considerations You can configure bridged IP interfaces on the followi...

Page 471: ...s the left IOA bay E120 router and the lower IOA bay E320 router For example the following command specifies ATM 1483 subinterface 20 on slot 5 adapter 0 port 0 of an E320 router host1 config interface atm 5 0 0 20 For more information about supported interface types and specifiers on E Series routers see Interface Types and Specifiers in JunosE Command Reference Guide References For more informat...

Page 472: ...ers for each logical interface that you want to create Virtual path and channel numbers for each virtual circuit that you want to create IP addresses and subnet mask assignments for IP interfaces IP address of the DHCP server Configuring Bridged IP To configure an ATM interface using bridged IP encapsulation 1 Configure a physical interface host1 config interface atm 0 1 2 Configure the subinterfa...

Page 473: ...nly to the E Series router vpi 8 bit field in the ATM cell header The VPI value is unique on a single link not throughout the ATM network because it has meaning only to the E Series router The VPI value must match the value on the ATM switch NOTE Do not set both the VPI and VCI values to zero vci 16 bit field in the ATM cell header The VCI value is unique on a single link not throughout the ATM ne...

Page 474: ...er of the subinterface in the range 1 2147483647 To specify an ATM interface for E120 and E320 routers use the slot adapter port subinterface format slot Number of the chassis slot adapter Identifier for the IOA within the E320 chassis either 0 or 1 where 0 indicates that the IOA is installed in the right IOA bay E120 router or the upper IOA bay E320 router 1 indicates that the IOA is installed in...

Page 475: ...PoE to be simultaneously multiplexed over the same interface You can set up the router to either terminate interfaces and route data or to pass data transparently through the router to another terminating device This capability supports multiple client devices that use both IP and Point to Point Protocol over Ethernet PPPoE encapsulation over an Ethernet LAN NOTE Although connection based forwardi...

Page 476: ...outing Traffic Assigning MAC Addresses When you create a bridged Ethernet interface the system media access control MAC address is assigned to the interface by default However you can assign a specific MAC address to each statically configured bridged Ethernet interface For example if multiple statically configured bridged Ethernet interfaces are connected to the same device using specific MAC add...

Page 477: ...Bridged Ethernet VLANs and S VLANs configured over bridged Ethernet interfaces provide the same basic capabilities as VLANs and S VLANs configured over Ethernet interfaces with the following exception S VLAN oversubscription is not supported on bridged Ethernet interfaces After you configure the bridged Ethernet interface you configure the VLANs S VLANs and the supported higher level protocols in ...

Page 478: ...t For information about the modules that support bridged Ethernet on the E120 and E320 routers See E120 and E320 Module Guide Table 1 Modules and IOAs for detailed module specifications See E120 and E320 Module Guide Appendix A IOA Protocol Support for information about the modules that support bridged Ethernet Interface Specifiers The configuration task examples in this chapter use the slot port ...

Page 479: ...IP with PPPoE terminated at the E Series router With each step an illustration shows how the router is building the interface columns Configuring IP with PPPoE Terminated at the Router This section shows how to create IP with PPPoE interfaces that terminate the connection and route the data received on the PVC as shown in the example in Figure 43 on page 444 To create a terminated PVC 1 Create an ...

Page 480: ...ost1 config subif exit 7 Create a PPPoE subinterface over the major interface host1 config pppoe subinterface atm 9 1 1 1 8 Configure PPP encapsulation over the PPPoE subinterface and the IP interface over the PPP interface host1 config subif encapsulation ppp host1 config subif ip address 160 1 1 1 255 255 255 0 atm pvc Use to configure a PVC on an ATM interface Specify one of the following encap...

Page 481: ...capsulation bridge1483 command for the interface The MAC address can be configured only when the interface is created To change a MAC address you must remove the interface and create it again Example host1 config subif encapsulation bridge1483 mac address 0090 1a01 1234 Use the no version without the MAC address to remove bridged Ethernet as the encapsulation method on the interface See encapsulat...

Page 482: ...m ip address Use to set an IP address for the interface Note that you cannot add more than one IP address to bridged Ethernet interfaces Example host1 config subif ip address 160 1 0 1 255 255 255 0 Use the no version to remove the IP address See ip address ip mac validate Use to enable or disable MAC address validation on a per interface basis When MAC address validation is enabled the router che...

Page 483: ...fig pppoe subinterface atm 9 1 1 1 host1 config pppoe subinterface atm 5 0 1 1 1 Use the no version to remove the PPPoE subinterface See pppoe subinterface Alternative Configuration In previous releases you could configure a PPPoE major interface directly over ATM 1483 only The router still supports this stacking and configuration method for PPPoE Although the older and newer interface stacks are ...

Page 484: ... IP over VLAN over bridged Ethernet PPPoE over VLAN over bridged Ethernet MPLS over VLAN over bridged Ethernet You can also configure transparent bridging over VLANs over bridged Ethernet For information about configuring transparent bridging see Configuring Bridged Ethernet on page 443 Configuring VLANs over bridged Ethernet interfaces consists of two basic tasks 1 Configure the layers up to and ...

Page 485: ...Steps 4 and 5 using unique values host1 config subif interface atm 4 0 101 2 host1 config subif vlan id 11 Proceed to the next section for instructions on configuring higher level protocols over the VLAN subinterfaces Configuring Higher Level Protocols over VLANs This section provides examples for configuring IP PPPoE and MPLS interfaces over VLAN subinterfaces configured on bridged Ethernet These...

Page 486: ...t interface 1 Follow the steps in Configuring VLAN Subinterfaces over Bridged Ethernet on page 453 to configure the VLAN subinterface 2 Enable MPLS on the VLAN subinterface host1 config subif mpls atm pvc Use to configure a PVC on an ATM interface Specify one of the following encapsulation types aal5snap Specifies a logical link control LLC encapsulated circuit LLC Subnetwork Access Protocol LLC S...

Page 487: ...0 router use the slot port subinterface vlanSubinterface format On E120 and E320 routers use the slot adapter port subinterface vlanSubinterface format For more information see Creating a Basic Configuration on page 20 in Configuring ATM on page 3 Example 1 Configures a VLAN subinterface over bridged Ethernet on ERX7xx models ERX14xx models and the ERX310 router host1 config interface atm 4 2 2 po...

Page 488: ...subinterface configured on a bridged Ethernet interface On ERX7xx models ERX14xx models and the ERX310 router use the slot port atmSubinterface vlanSubinterface pppoeSubinterface format On E120 and E320 routers use the slot adapter port atmSubinterface vlanSubinterface pppoeSubinterface format Examples host1 config pppoe subinterface atm 4 0 1 2 1 host1 config pppoe subinterface atm 4 1 0 1 2 1 Us...

Page 489: ...ove the upper layer interface stack NOTE S VLAN oversubscription is not supported on bridged Ethernet interfaces For more information about specifying ATM interfaces and subinterfaces see Interface Types and Specifiers in JunosE Command Reference Guide Configuring S VLAN Subinterfaces over Bridged Ethernet To configure an S VLAN subinterface over bridged Ethernet 1 Create an ATM 1483 subinterface ...

Page 490: ...o version to restore the default value 9100 See svlan ethertype svlan id Use to assign S VLAN IDs and VLAN IDs to VLAN subinterfaces Use S VLAN ID and VLAN ID numbers that are in the range 0 4095 and that are unique within the Ethernet interface Issue the svlan id command before any upper bindings are made such as IP or PPPoE Example host1 config if svlan id 4 255 There is no no version See svlan ...

Page 491: ...u configure a bridged Ethernet interface over an ATM 1483 subinterface the MTU size set with the bridge1483 mtu command is limited by the MTU set for the underlying ATM 1483 subinterface As a result the bridge1483 mtu command requires you to configure an MTU size for the bridged Ethernet interface that does not exceed the maximum allowable MTU size for the underlying ATM 1483 subinterface 9180 byt...

Page 492: ...to output from other E Series routers except that the E120 and E320 routers output also includes information about the adapter identifier in the interface specifier slot adapter port show bridge1483 interface Use to display configuration and status information for all bridged Ethernet interfaces currently configured on the router Use the atm keyword and an interface specifier to display informatio...

Page 493: ... sent Broadcast Number of broadcast packets sent Errors Total number of errors in all transmitted packets some packets might contain more than one error Discards Total number of discarded outgoing packets ARP Statistics Analysis of ARP traffic on this interface In fields are for traffic received on the interface and Out fields are for traffic sent on the interface ARP requests Number of ARP reques...

Page 494: ... Discards 0 Example 3 Displays only brief summary information host1 show bridge1483 interface summary Total bridge1483 interfaces 3 See show bridge1483 interface show ip mac validate interface Use to display the status of the MAC address validation on the physical interface Field descriptions interfaceSpecifier Interface type slot port Keyword assigned to interface Strict or Loose Address IP addre...

Page 495: ...faces Total numbers of VLAN subinterfaces and VLAN major interfaces configured on the router this is the only field that appears when you specify the summary keyword Example 1 Displays full status and configuration information for all VLAN subinterfaces configured on the router host1 show vlan subinterface Interface Status MTU Svlan Id Vlan Id Ethertype ATM 3 0 1 2 Up 1522 11 ATM 3 0 1 3 Up 1522 1...

Page 496: ...Copyright 2010 Juniper Networks Inc 464 JunosE 11 2 x Link Layer Configuration Guide ...

Page 497: ...e How Transparent Bridging Works on page 465 Bridge Groups and Bridge Group Interfaces on page 466 Bridge Interface Types and Supported Configurations on page 467 Subscriber Policies on page 468 Concurrent Routing and Bridging on page 469 Transparent Bridging and VPLS on page 470 Unsupported Features on page 470 How Transparent Bridging Works A transparent bridge is a data link layer layer 2 relay...

Page 498: ...ging When a bridge adds a dynamic learned MAC address entry to the forwarding table it assigns an age to the entry The bridge updates this age each time it receives a packet To manage MAC entries more efficiently you can configure an entry s aging time which is the maximum time that an entry can remain in the forwarding table before it ages out Bridge Groups and Bridge Group Interfaces You configu...

Page 499: ...ode A 1 Fast Ethernet 2 1 1 Node B 1 Gigabit Ethernet 4 0 1 Node C 2 Gigabit Ethernet 4 0 1 Node D 2 Bridge Interface Types and Supported Configurations A bridge interface can be configured as one of the following types Subscriber client A subscriber client bridge interface is downstream from the traffic flow that is the traffic flow direction is from the server trunk to the client subscriber This...

Page 500: ...acket type the subscriber policy specifies whether you want the bridge group interface to permit forward or deny filter or drop packets of that type For the relearn attribute the subscriber policy specifies whether the bridge interface can relearn a MAC address entry on a different interface from the one initially associated with this entry in the forwarding table Permit indicates that relearning ...

Page 501: ...ng a separate group of interfaces in a different bridge group on the router The router does not switch the protocol between the two bridge groups Instead it confines routed traffic to the routed interfaces and bridged traffic to the bridged interfaces As a result a protocol can be either routed or bridged on a particular interface but cannot be both routed and bridged on the same interface By defa...

Page 502: ...ect a VPLS instance is a new or existing bridge group that has additional VPLS attributes configured For details about configuring and using VPLS see chapter Configuring VPLS in JunosE BGP and MPLS Configuration Guide Unsupported Features The current E Series implementation of transparent bridging does not support the spanning tree algorithm as defined in IEEE 802 1D NOTE Because the spanning tree...

Page 503: ... which includes an identifier for the bay in which the I O adapter IOA resides In the software adapter 0 identifies the right IOA bay E120 router and the upper IOA bay E320 router adapter 1 identifies the left IOA bay E120 router and the lower IOA bay E320 router For example the following command specifies ATM 1483 subinterface 20 on slot 5 adapter 0 port 0 of an E320 router host1 config interface...

Page 504: ...ical Layer Configuration Guide Configuring Ethernet line modules Also have the following information available A diagram of your network topology indicating the names of the bridge groups and bridge group interfaces that you need to create On ERX7xx models ERX14xx models and ERX310 router the slot and port numbers of the line modules over which you want to configure transparent bridging On E120 an...

Page 505: ... show bridge groups bridge Use to create a bridge group for transparent bridging You must specify an alphanumeric name for the bridge group the name can be a maximum of 32 characters and can use any combination of alphanumeric characters Example host1 config bridge westford04 Use the no version to remove the bridge group from the router See bridge Configuring Optional Bridge Group Attributes After...

Page 506: ...cquiring dynamically learned MAC addresses and to limit forwarding only to those nodes that have a statically configured address entry in the forwarding table See bridge acquire bridge address Use to enable or disable a specified bridge group s ability to filter forward or discard frames based on their MAC address Enables the bridge group to filter frames by their MAC address and add static nonlea...

Page 507: ...ge aging time Use to set the length of time in seconds that a dynamic learned MAC address entry can remain in a specified bridge group s forwarding table When a dynamic entry reaches its configured aging time it ages out of the forwarding table The default aging time is 300 seconds The aging time range is 1 1000000 seconds Example host1 config bridge westford04 aging time 1000 Use the no version t...

Page 508: ...interface that you want to assign to the bridge group 2 Assign the interface or subinterface to an existing bridge group to create the bridge interface 3 Optional Configure the bridge group interface as a trunk server interface 4 Optional Enable SNMP link status processing for the bridge group interface 5 Optional Set the maximum number of dynamic MAC addresses that the bridge group interface can ...

Page 509: ...n 1000 Example 3 Creates a trunk server interface for a bridge group named westford03 host1 config subif bridge group westford03 subscriber trunk Use the no version to remove the interface from the bridge group and to restore the default value for the keyword you specified See bridge group interface atm Use to select an ATM interface or subinterface type Example host1 config interface atm 3 2 1 Us...

Page 510: ...l continue to use the default values listed in Table 27 on page 468 host1 config policy broadcast permit host1 config policy multicast deny host1 config policy relearn deny 3 Exit Subscriber Policy Configuration mode host1 config policy exit 4 From Global Configuration mode associate the new subscriber policy with the bridge group in which the subscriber client interface resides host1 config bridg...

Page 511: ...ult subscriber policy values for a trunk server bridge interface As a result you cannot use the bridge subscriber policy command to associate a nondefault subscriber policy with a trunk bridge interface See bridge subscriber policy broadcast Use to modify the subscriber policy for the broadcast protocol to define whether a subscriber client bridge interface permits forwards or denies filters or dr...

Page 512: ...e following keywords permit Forwards packets of this type deny Filters or drops packets of this type MPLS packets are forwarded by default Example host1 config policy mpls deny Use the no version to restore the default value See mpls multicast Use to modify the subscriber policy for the multicast protocol to define whether a subscriber client bridge interface permits forwards or denies filters or ...

Page 513: ...wing keywords permit Enables relearning deny Prohibits relearning and forces the bridge interface to wait until an entry ages out of the forwarding table to relearn it on the new interface Relearning is enabled by default Example host1 config policy relearn deny Use the no version to restore the default value See relearn subscriber policy Use to create a nondefault subscriber policy for a subscrib...

Page 514: ...nknown destination Use to modify the subscriber policy for packets with unknown unicast DAs to define whether a subscriber client bridge interface permits forwards or denies filters or drops packets with unknown unicast DAs Specify one of the following keywords permit Forwards packets of this type deny Filters or drops packets of this type Packets with unknown unicast DAs are filtered or dropped b...

Page 515: ...idging CRB for all bridge groups configured on an E Series router CRB is disabled by default When CRB is enabled the router can route a protocol among a group of interfaces in one bridge group and concurrently bridge the same protocol among a separate group of interfaces in a different bridge group The command takes effect for all bridge groups on an E Series router you cannot enable CRB for some ...

Page 516: ...bridge that protocol but does not have the required interface stacking to do so As a result the bridge group discards drops those packets To configure explicit routing 1 Ensure that you have enabled concurrent routing and bridging See Enabling Concurrent Routing and Bridging on page 483 for details 2 From Global Configuration mode enable routing of IP MPLS or PPPoE packets in a specified bridge gr...

Page 517: ...ciated PVC host1 config if interface atm 3 3 1 host1 config subif atm pvc 1 0 10 aal5snap 4 Specify bridged Ethernet as the encapsulation method on the subinterface The encapsulation keyword implies that the bridged Ethernet interface is the only interface stacked directly above the ATM 1483 subinterface As a result the bridged Ethernet interface cannot have a peer interface stacked above the same...

Page 518: ...r a bridged Ethernet interface For information see Configuring VLANs over Bridged Ethernet on page 452 in Configuring Bridged Ethernet on page 443 1 Create the bridge group host1 config bridge westford02 2 Create a Fast Ethernet interface host1 config interface fastEthernet 2 0 3 Create a VLAN major interface by specifying VLAN as the encapsulation method for the interface host1 config if encapsul...

Page 519: ...idging This section describes how to Set a statistics baseline for bridge groups and bridge interfaces Remove all dynamic MAC address entries or a specific dynamic MAC address entry from the forwarding table for bridge groups and bridge interfaces Use the show commands to monitor bridge groups bridge group interfaces and subscriber policies NOTE The E120 and E320 routers output for monitor and sho...

Page 520: ...ticular network interface belonging to a bridge group The router implements the baseline by reading and storing the statistics at the time the baseline is set and then subtracting this baseline whenever baseline relative statistics are retrieved You must specify the following interfaceType One of the following bridge interface types listed in Interface Types and Specifiers in JunosE Command Refere...

Page 521: ...1 0 1234 abcd 5678 discard host1 clear bridge westford01 host1 show bridge westford01 table Bridge westford01 MAC Address Table Address Action Interface Age There is no no version See clear bridge clear bridge address Use to remove a specific dynamic MAC address entry from the forwarding table for the specified bridge group Example host1 show bridge westford01 table Bridge westford01 MAC Address T...

Page 522: ... Address Action Interface Age 0090 1a01 0205 forward ATM3 3 1 0 0090 1a01 0206 forward ATM3 3 2 10 0090 1a01 0207 forward ATM3 3 3 5 host1 clear bridge interface atm 3 3 2 host1 show bridge westford02 table dynamic Bridge westford02 MAC Address Table Address Action Interface Age 0090 1a01 0205 forward ATM3 3 1 0 0090 1a01 0207 forward ATM3 3 3 5 There is no no version See clear bridge interface Mo...

Page 523: ...e Count Number of bridge group interfaces currently configured for the bridge group Address Table Displays the current static and dynamic entries in the MAC address table Address MAC address of the entry Action How the bridge group handles this entry forward or discard Interface Interface type and specifier on which the entry will be forwarded this value does not appear for entries that are discar...

Page 524: ...rface Queue length Length of the queue in bytes Forwarded packets Bytes Number of packets and bytes forwarded on this queue Dropped committed packets Bytes Number of committed packets and bytes that were dropped Dropped conformed packets Bytes Number of conformed packets and bytes that were dropped Dropped exceeded packets Bytes Number of exceeded packets and bytes that were dropped Example 1 Disp...

Page 525: ...rds 0 In Errors 0 Out Octets 0 Out Frames 0 Out Discards 0 Out Errors 0 queue 0 traffic class best effort bound to bridge ATM3 3 1 Queue length 0 Bytes Forwarded packets 0 Bytes 0 Dropped committed packets 0 Bytes 0 Dropped conformed packets 0 Bytes 0 Dropped exceeded packets 0 Bytes 0 See show bridge show bridge groups Use to display configuration information for all bridge groups currently confi...

Page 526: ...tches the Interface Count Interface Count Number of bridge group interfaces currently configured for the bridge group Example 1 Displays the names of the bridge groups configured on your router host1 show bridge groups BridgeGroup westford02 BridgeGroup westford01 Example 2 Displays the configuration settings for each bridge group on your router host1 show bridge groups details BridgeGroup westfor...

Page 527: ...tly in effect for the bridge group interface Statistics Displays statistics information for the specified port In Octets Number of octets received on this interface In Frames Number of frames received on this interface In Discards Number of incoming packets discarded on this interface In Errors Number of incoming errors received on this interface Out Octets Number of octets transmitted on this int...

Page 528: ...us Up Snmp Link Status Trap Disabled Max Learn Unlimited Subscriber Policy default Subscriber Statistics In Octets 0 In Frames 0 In Discards 0 In Errors 0 Out Octets 0 Out Frames 0 Out Discards 0 Out Errors 0 queue 0 traffic class best effort bound to bridge ATM3 3 1 Queue length 0 Bytes Forwarded packets 0 Bytes 0 Dropped committed packets 0 Bytes 0 Dropped conformed packets 0 Bytes 0 Dropped exc...

Page 529: ...ce command to display information for a specified bridge interface or for all interfaces assigned to a bridge group show bridge interface Use to display configuration statistics and status information for a specified bridge interface or for all interfaces assigned to a bridge group Field descriptions BridgeGroup Name of the bridge group to which the interface belongs Port Number Bridge group port ...

Page 530: ...ue Dropped committed packets Bytes Number of committed packets and bytes that were dropped Dropped conformed packets Bytes Number of conformed packets and bytes that were dropped Dropped exceeded packets Bytes Number of exceeded packets and bytes that were dropped Using the brief keyword displays the following fields Interface Interface type and specifier associated with the port for example FastE...

Page 531: ...olicy show subscriber policy Use to display the set of forwarding and filtering rules for all default and nondefault subscriber policies configured on the router or for a specified subscriber policy For all packet types except Relearn the command displays permit to indicate that the bridge interface forwards the packets or deny to indicate that the bridge interface filters the packets For informat...

Page 532: ...t Unknown Destination Deny IP Permit Unknown Protocol Permit Unicast Permit PPPoE Permit Relearn Permit Mpls Permit Subscriber default Trunk ARP Permit Broadcast Permit Multicast Permit Unknown Destination Permit IP Permit Unknown Protocol Permit Unicast Permit PPPoE Permit Relearn Permit Mpls Permit Subscriber client01 ARP Permit Broadcast Permit Multicast Deny Unknown Destination Deny IP Permit ...

Page 533: ...Relearn Deny Mpls Permit See show subscriber policy 501 Copyright 2010 Juniper Networks Inc Chapter 15 Configuring Transparent Bridging ...

Page 534: ...Copyright 2010 Juniper Networks Inc 502 JunosE 11 2 x Link Layer Configuration Guide ...

Page 535: ...onous serial lines use the HDLC serial encapsulation method which provides the synchronous framing detection and error detection functions of HDLC without windowing or retransmission Cisco HDLC monitors line status on a serial interface by exchanging keepalive request messages with peer network devices It also enables routers to discover IP addresses of neighbors by exchanging Serial Line Address ...

Page 536: ...xx models and the ERX310 router See ERX Module Guide Table 1 Module Combinations for detailed module specifications See ERX Module Guide Appendix A Module Protocol Support for information about the modules that support Cisco HDLC For information about the modules that support Cisco HDLC on the E120 and E320 routers See E120 and E320 Module Guide Table 1 Modules and IOAs for detailed module specifi...

Page 537: ...figure a Cisco HDLC interface you need to configure the physical interface over which Cisco HDLC traffic flows described in the following chapters Configuring Channelized T3 Interfaces in JunosE Physical Layer Configuration Guide Configuring T3 and E3 Interfaces in JunosE Physical Layer Configuration Guide The procedures described in this chapter assume that a physical interface has been configure...

Page 538: ...ion Guide subinterface User assigned number that identifies a subinterface Example host1 config interface serial 3 1 2 1 Use the no version to remove the interface or subinterface See interface serial ip address Use to assign an IP address and subnet mask to the interface Example host1 config subif ip address 192 32 10 2 255 255 255 0 Use the no version to remove the IP address of the interface Se...

Page 539: ...es from a peer interface If the interface is down the router compares the received value of its own counter with the value from the peer If the difference between the values of the two counters is less than four the router declares the interface to be up Both sides have to configure the same value for the keepalive interval If the keepalive interval is 10 seconds then a failed link is detected bet...

Page 540: ...k source internal module 7 Exit Controller Configuration mode host1 vr1 config controll exit 8 Create or select a serial interface over the DS3 interface host1 vr1 config interface serial 13 0 1 1 9 Set the encapsulation to Cisco HDLC host1 vr1 config if encapsulation hdlc 10 Enable loopback detection on the interface host1 vr1 config if hdlc down when looped 11 Assign an IP address to the interfa...

Page 541: ...wing keywords statistics Displays interface statistics delta Specifies that baselined statistics are to be shown status Displays the operational status of all configured interfaces closed Displays interfaces with administrative status Closed config Displays configuration information down Displays interfaces with operational status Down lower layer down Displays interfaces with operational status L...

Page 542: ...Number of outbound octets transmitted on the interface errors in Number of inbound errors received on the interface errors out Number of outbound errors transmitted on the interface discards in Number of inbound packets discarded on the interface discards out Number of outbound packets discarded on the interface Example 1 host1 show hdlc interface serial 5 1 5 1 Cisco HDLC interface serial 5 1 5 1...

Page 543: ...Configuring Bridged Ethernet Dynamic Interfaces on page 553 Configuring a Dynamic Interface from a Profile on page 559 Scripts and Macros on page 593 Monitoring Upper Layer Dynamic Interfaces and Profiles on page 593 Troubleshooting PPP and PPPoE Dynamic Interfaces on page 614 Overview Before you begin configuring dynamic interfaces review the concepts described in this section A dynamic interface...

Page 544: ...faces static interfaces always allocate system resources upon creation and always consume system resources even when the interface is quiescent Types of Dynamic Interfaces There are two types of dynamic interfaces upper layer and bulk configured Bulk configured dynamic interfaces enable you to dynamically create ATM 1483 subinterfaces and VLAN subinterfaces by bulk configuring a range of identifie...

Page 545: ...terfaces Dynamic Subscriber Interfaces IP over Ethernet IP over PPP over Ethernet Internet Protocol version 4 IPv4 is supported for all of these upper layer dynamic interface configurations Currently Internet Protocol version 6 IPv6 is supported only when PPP or MLPPP is the layer immediately below the IPv6 layer in the interface column Dynamic IPv6 is not supported directly over static ATM 1483 d...

Page 546: ...h only dynamic IP interfaces can be created static ATM 1483 subinterfaces support recognition and creation of the following upper dynamic interface types or encapsulations Bridged Ethernet IP IPv6 Multilink PPP PPP PPPoE The auto configure command identifies the encapsulation type For flexibility the router provides the ability to configure an ATM 1483 subinterface with distinct profile assignment...

Page 547: ...ee Configuring ATM 1483 Dynamic Subinterfaces onpage624in ConfiguringDynamicInterfacesUsingBulkConfiguration on page 619 How Oversubscription Works Oversubscription is based on the capabilities of the ATM line module on which the dynamic interface is configured For details about the capabilities of specific ATM line modules see either Module Capabilities on page 11 in Configuring ATM on page 3 or ...

Page 548: ...e module is less than the maximum number of individual VCs created from the total number of bulk configured VC ranges that the line module supports For details about how oversubscription works for bulk configured VC ranges see ATM Oversubscription for Bulk Configured VC Ranges on page 621 in Configuring Dynamic Interfaces Using Bulk Configuration on page 619 Combination of Static ATM 1483 Subinter...

Page 549: ... about the modules that support dynamic interfaces Interface Specifiers The configuration task examples in this chapter use the slot port subinterface format to specify the physical interface that you want to configure to support dynamic interfaces However the interface specifier format that you use depends on the router that you are using For ERX7xx models ERX14xx models and ERX310 router use the...

Page 550: ...terface stack for a dynamic IP over ATM 1483 interface Figure 46 Configuring an ATM 1483 Interface to Support Dynamic Interfaces On receipt of a packet the router creates all dynamic layers above the ATM 1483 layer starting with the lowest dynamic layer For example in the case of a dynamic PPPoE interface the router creates the PPPoE interface first then the PPP interface and then the IP interface...

Page 551: ...ridged Ethernet over Static ATM Interfaces You can use either of the following methods to configure and manage RADIUS authentication for IP subscribers on dynamic bridged Ethernet over static ATM interfaces The subscriber command The subscriber management application The subscriber command does not support running stateful SRP switchover high availability on the router Therefore the configuration ...

Page 552: ...age of several useful features such as the IP inactivity timer In the event that an interface profile for a dynamic bridged Ethernet interface includes the subscriber command to configure a local subscriber as well as the bridge1483 service profile command to reference an IP service profile the values specified with the subscriber command take precedence The router ignores the values in the IP ser...

Page 553: ... frames When bridged Ethernet and PPPoE encapsulation types are configured for autodetection with the auto configure command and a subscriber is configured for the bridged Ethernet encapsulation type RADIUS sends a deny response after the router attempts to authenticate a received bridged Ethernet frame Receiving an authentication denial from RADIUS causes the router to lock out bridged Ethernet B...

Page 554: ...namic interface column before the column is torn down How Encapsulation Type Lockout Works For a given encapsulation type such as bridged Ethernet lockout occurs when a dynamic interface of this type cannot be created For example an authentication denial from RADIUS causes a lockout When lockout occurs the router applies the lockout time range If you do not configure a lockout time range the route...

Page 555: ...E sessions comprise Agent Circuit Id 26 1 and Agent Remote Id 26 2 The Agent Circuit Id VSA is the identifier for the subscriber agent circuit that corresponds to the DSLAM interface from which subscriber requests are initiated The Agent Remote Id VSA is the unique identifier for the subscriber associated with the DSLAM interface from which requests are initiated For PPPoE sessions with the IWF Se...

Page 556: ...s If the digital subscriber line access multiplexer DSLAM network does not add the DSL Forum VSAs Agent Circuit Id and Agent Remote Id that are required to accurately and uniquely identify the subscriber access loop dynamic encapsulation type lockout for PPPoE clients is performed using MAC address as the only criterion to identify subscribers In such conditions the mode of working of encapsulatio...

Page 557: ... network on the other side The interworking function describes the set of mechanisms used to convert a PPPoE over ATM or PPPoA session to a PPPoE session The conversion of PPP PPPoE Ethernet ATM 1483 or ATM connections at the DSLAM access loop interface to PPP PPPoE or Ethernet connections at the DSLAM aggregate network interface signifies that the MAC addresses of all such IWF sessions are transl...

Page 558: ...ise when you indicate ppp the dynamic interface built is IP over PPP over ATM Figure 47 on page 526 shows dynamic PPP interface columns on ATM interfaces Figure 47 Dynamic PPP Interface Columns Figure48onpage526showsdynamicPPPoEinterfacecolumnsandillustrateshowPPPoE supports multiple IP sessions over each ATM 1483 circuit Figure 48 Dynamic PPPoE Interface Columns Copyright 2010 Juniper Networks In...

Page 559: ... a profile to the PPP or PPPoE encapsulation types host1 config subif profile ppp foo host1 config subif profile pppoe foo 5 Configure the subinterface to detect and accept dynamic PPP or PPPoE host1 config subif auto configure ppp host1 config subif auto configure pppoe In addition to ppp and pppoe you can also specify ip or bridgedEthernet 6 Optional Verify your configuration host1 show atm subi...

Page 560: ...ckout can result in undesirable CPU loading we recommend that you not disable lockout for general use At a minimum use the default lockout time For information about the rules that apply when you configure the lockout time for dynamic encapsulation type lockout see Guidelines for Configuring Encapsulation Type Lockout for PPPoE sessions on page 523 Example 1 Enables autodetection for the PPPoE enc...

Page 561: ...E320 chassis either 0 or 1 where 0 indicates that the IOA is installed in the right IOA bay E120 router or the upper IOA bay E320 router 1 indicates that the IOA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on the IOA subinterface Number of the subinterface in the range 1 2147483647 For more information see Creating a Basic Configuration on page 20...

Page 562: ...PPP keepalive feature it can detect the loss of connectivity and restart Link Control Protocol LCP negotiations in order to initiate a new connection However if the CPE does not support PPP keepalive it cannot detect that the connection is down and continues to send PPP data packets to the router On receipt of an IPv4 over PPP data packet or an IPv6 over PPP data packet from the CPE when the ATM 1...

Page 563: ...Ns Ethernet with S VLANs The following sections describe how to create each of these configurations on the router In addition Configuring Encapsulation Type Lockout for PPPoE Clients on page 544 describes how to configure dynamic encapsulation type lockout for PPPoE clients associated with dynamic PPPoE subinterface columns Configuring Dynamic PPPoE over Static PPPoE with ATM Interface Columns Fig...

Page 564: ...binterfaces host1 config subif pppoe auto configure When you configure dynamic encapsulation type lockout for PPPoE sessions that contain the IWF Session DSL Forum VSA 26 254 in the PPPoE active discovery request PADR packets even if PPPoE sessions associated with a particular MAC address are locked out other PPPoE sessions that originated with the same MAC address are not terminated continue to r...

Page 565: ...host1 config subif encapsulation pppoe This command creates the static PPPoE major interface 4 Assign a profile to the PPPoE major interface host1 config subif pppoe profile pppoeProfile3 5 Configure the interface to detect and accept dynamic PPPoE subinterfaces host1 config subif pppoe auto configure Configuring Dynamic PPPoE over Static PPPoE with Ethernet and VLAN Interface Columns Figure 51 on...

Page 566: ...erface identifier host1 config if interface fastEthernet 4 1 1 4 Assign a VLAN ID for the subinterface host1 config if vlan id 400 5 Set the encapsulation type to PPPoE host1 config subif encapsulation pppoe 6 Assign a profile host1 config subif pppoe profile pppoeProfile2 7 Configure the interface to detect and accept dynamic PPPoE subinterfaces host1 config subif pppoe auto configure Configuring...

Page 567: ...6Profile host1 config profile ip virtual router ppp host1 config profile ip unnumbered loopback 1 host1 config profile ipv6 virtual router ppp host1 config profile ipv6 unnumbered loopback 1 host1 config profile ipv6 nd other config flag host1 config profile ipv6 nd ra interval 10 host1 config profile ppp authentication chap host1 config profile exit 3 Specify the interface host1 config if interfa...

Page 568: ...DIUS instead of using the ip unnumbered command in a profile For more information about how to specify an unnumbered interface using RADIUS see Configuring RADIUS Attributes in the JunosE Broadband Access Configuration Guide Example host1 config profile ip unnumbered fastEthernet 0 0 Use the no version to remove the assignment from the profile See ip unnumbered ip virtual router Use to assign a vi...

Page 569: ...rofile ProfileIpv6South22 host1 config profile ipv6 nd Use the no version to disable the Neighbor Discovery process for the profile See ipv6 nd ipv6 unnumbered Use to set up an unnumbered interface An unnumbered interface does not have an IPv6 address assigned to it Unnumbered interfaces are often used in point to point connections where an IPv6 address is not required This command enables IPv6 pr...

Page 570: ...the peer refuses to use PAP the router requests the CHAP protocol If the peer refuses to use CHAP the router requests the EAP protocol If the peer refuses to negotiate authentication the router terminates the PPP session Example 2 Configures EAP or CHAP or PAP on a dynamic PPP interface host1 config profile ppptest host1 config profile ppp authentication eap chap pap In this example the router fir...

Page 571: ...n from Global Configuration mode to remove a profile Use the no version from Interface Configuration mode or Subinterface Configuration mode to remove a profile assignment from an interface See profile Configuring Dynamic PPPoE over Static PPPoE with Ethernet and S VLAN Interface Columns Figure 53 on page 539 shows dynamic PPPoE subinterface columns over PPPoE major interfaces using S VLANs over E...

Page 572: ... of S VLAN oversubscription The maximum number of S VLANs that you can create per I O module or IOA with PPPoE major interfaces stacked over them is greater than the maximum number of dynamic PPPoE subinterfaces The maximum number of PPP interfaces supported per line module is directly proportional to the maximum number of PPPoE subinterfaces As a result you can oversubscribe S VLANs by configurin...

Page 573: ...ical link control LLC encapsulated circuit the LLC Subnetwork Access Protocol LLC SNAP header precedes the protocol datagram aal5mux ip Specifies a VC multiplexed circuit This option is used for IP only Example host1 config subif atm pvc 6 0 11 aal5autoconfig Use the no version to remove the specified PVC See atm pvc encapsulation pppoe Use to configure PPPoE as the encapsulation method for the in...

Page 574: ...t Ethernet interface or a 10 Gigabit Ethernet interface To specify a Gigabit Ethernet interface for ERX7xx models ERX14xx models and ERX310 router use the slot port subinterface format To specify a Gigabit Ethernet interface or a 10 Gigabit Ethernet interface for E120 and E320 routers use the slot adapter port subinterface format For more information see chapter Configuring Ethernet Interfaces in ...

Page 575: ...anumeric characters The default encapsulation type any applies to any autoconfigured encapsulation that does not have a specific profile assignment Examples host1 config subif pppoe profile pppoeProfile4 host1 config if pppoe profile any anyProfile Use the no version to remove the profile assignment from the interface See pppoe profile svlan ethertype Use to assign an Ethertype value for the S VLA...

Page 576: ...capsulation Type Lockout for PPPoE Clients In configurations with dynamic PPPoE subinterfaces over static PPPoE major interfaces you can configure dynamic encapsulation type lockout for the PPPoE clients associated with a dynamic PPPoE subinterface column Using this feature enables you to temporarily prevent the static PPPoE major interface from autodetecting accepting and creating dynamic PPPoE s...

Page 577: ...M 1483 subinterface with the auto configure command Currently the dynamic PPPoE interface layer must be configured directly above the static ATM 1483 interface layer to support inheritance of lockout parameters For an illustration of dynamic PPPoE over static ATM 1483 interface stacking see Figure 48 on page 526 You must explicitly configure encapsulation type lockout for PPPoE clients with the pp...

Page 578: ...e following example shows only the portion of the command display relevant to the PPPoE lockout configuration host1 show pppoe interface atm 3 0 101 PPPoE interface ATM 3 0 101 is operStatusUp dynamic Lockout Configuration seconds Min 5 Max 60 Total clients in active lockouts 0 Total clients in lockout grace period 0 To display detailed information about the current lockout condition for each PPPo...

Page 579: ...ckout see Guidelines for Configuring Encapsulation Type Lockout for PPPoE sessions on page 523 Example 1 Enables dynamic creation of PPPoE subinterfaces on the static PPPoE major interface using a nondefault lockout time range 10 120 seconds host1 config subif pppoe auto configure lockout time 10 120 Example 2 Disables dynamic encapsulation type lockout for any PPPoE clients associated with the dy...

Page 580: ...he DSLAM device at which multiplexing functions are performed and not the address of the originating PPPoE client access loop for PPPoE sessions that contain the IWF Session DSL Forum VSA 26 154 host1 show pppoe interface atm 12 1 1 1 1 lockout time PPPoE interface atm 12 1 1 1 Lockout Configuration seconds Min 90 Max 120 Total clients in active lockout 1 Total clients in lockout grace period 0 Cl...

Page 581: ...nterval at the minimum configured lockout time For PPPoE sessions that contain the IWF Session DSL Forum VSA 26 254 in the PPPoE active discovery request PADR packets the encapsulation lockout condition is cleared for all IWF PPPoE sessions whose source MAC address matches the MAC address specified in the command In lower numbered releases issuing this command cleared the lockout condition only fo...

Page 582: ...Figure 54 on page 550 shows the protocol layers that represent the IPoA interface columns and the layers within the interface columns that are static and dynamic Figure 54 Dynamic IPoA over Static ATM 1483 Interface Columns When you configure dynamic IPoA interfaces you must assign a profile Optionally you can also assign a subscriber identification Configuring a Dynamic IPoA Interface To configur...

Page 583: ...lowing encapsulation types aal5autoconfig Enables autodetection of the 1483 encapsulation LLC SNAP or VC multiplexed aal5snap Specifies an LLC encapsulated circuit LLC SNAP header precedes the protocol datagram aal5mux ip Specifies a VC multiplexed circuit This option is used for IP only Example host1 config subif atm pvc 6 0 11 aal5autoconfig Use the no version to remove the specified PVC See atm...

Page 584: ... configure interface atm Use to select an ATM interface or ATM 1483 subinterface For information about specifying the ATM interface or subinterface see interface atm on page 529 Examples host1 config interface atm 5 0 1 host1 config interface atm 4 0 2 1 Use the no version to remove the interface or subinterface See interface atm profile Use to assign a profile You must specify the encapsulation t...

Page 585: ... port vpi vci The resulting password string is then used to authenticate with the RADIUS server password RADIUS password If your router is running stateful SRP switchover high availability the use of the subscriber command to configure RADIUS authentication for subscribers on dynamic bridged Ethernet interfaces might suspend stateful SRP switchover on the router or prevent stateful SRP switchover ...

Page 586: ... dynamic bridged Ethernet interfaces 1 Configure a physical interface host1 config interface atm 5 0 2 Configure an ATM subinterface host1 config if interface atm 2 0 1 3 Configure a PVC by specifying the VCD the VPI the VCI and the encapsulation type If you want the router to autodetect the encapsulation type use the aal5autoconfig option host1 config subif atm pvc 10 100 22 aal5snap host1 config...

Page 587: ...it This option is used for IP only Example host1 config subif atm pvc 6 0 11 aal5autoconfig Use the no version to remove the specified PVC See atm pvc auto configure Use to configure an ATM subinterface to support a dynamic interface Specifies the types of dynamic encapsulation that the ATM 1483 subinterface detects and accepts For detailed information about how to use this command see auto config...

Page 588: ...erface or subinterface see interface atm on page 529 Examples host1 config interface atm 5 0 1 host1 config interface atm 4 0 2 Use the no version to remove the interface or subinterface See interface atm profile Use to assign a profile You must specify the encapsulation type to which the profile applies bridgedEthernet ip ppp pppoe or any Specify a profile name with up to 80 alphanumeric characte...

Page 589: ...ge1483 service profile command to assign the specified IP service profile to the interface profile The IP service profile contains the RADIUS authentication parameters for subscribers on the dynamic bridged Ethernet interface 3 Define the underlying static or dynamic ATM 1483 subinterface on which the dynamic bridged Ethernet interface column is built a Assign the specified interface profile to th...

Page 590: ... host1 config subif profile bridgedEthernet east host1 config subif subscriber bridgedEthernet user westford001 domain xyzcorp east password abc123 host1 config subif auto configure bridgedEthernet host1 config subif atm pvc 100 10 101 aal5snap 6400 0 0 host1 config subif exit Equivalent Configuration Example Using IP Subscriber Management To achieve the same functionality without adversely affect...

Page 591: ...e assignment from the interface profile See bridge1483 service profile Configuring a Dynamic Interface from a Profile You define profiles by using CLI commands similar to the ones you use to configure static interfaces When configuring profiles you can specify every layer explicitly or specify a subset of layers Profile Considerations When a dynamic interface is configured the configuration data r...

Page 592: ...cs A profile can contain the following bridged Ethernet characteristic mtu Sets the maximum allowable size in bytes of the maximum transmission unit MTU for dynamic bridged Ethernet interfaces IP Characteristics A profile can contain one or more of the following IP characteristics access routes Enables the creation of host access routes on an interface address Configures an IP address on an interf...

Page 593: ...on an interface nd managed config flag Sets the managed address configuration flag in IPv6 router advertisements nd other config flag Sets the other stateful configuration flag in IPv6 router advertisements nd prefix advertisement Specifies which IPv6 prefixes are included in IPv6 router advertisements nd ra interval Configures the interval between IPv6 router advertisements nd ra lifetime Configu...

Page 594: ... Controls the negotiation of the IPCP netmask option 0x90 disabled indicates do not negotiate enabled indicates negotiate keepalive Specifies a keepalive value in seconds log Enables packet or state machine logging for any dynamic interfaces that use the profile magic number disable Disables negotiation of the local magic number magic number ignore mismatch Causes the router to ignore a mismatch o...

Page 595: ...ishing more than one session using the same MAC address NOTE WhentheduplicateprotectionfeatureisenabledforPPPoEsessionsthatcontain the IWF Session DSL VSA 26 254 in the PPoE Active Discovery Request PADR packetsentfromPPPoEclientstotheaccessconcentrator multipleIWFPPPoEsessions that contain the same MAC address are still processed and can access network services untilthemaximumnumberofPPPoEsession...

Page 596: ...e policy Attaches or removes a policy to or from a dynamically created VLAN profile Adds a nested profile assignment which references another profile that dynamically configures an upper interface encapsulation type over the VLAN subinterface service profile Specifies a service profile name to a dynamically created VLAN svlan ethertype Specifies that the packet must use this Ethertype to create th...

Page 597: ...P interfaces created with this profile to be associated host1 config profile ip unnumbered loopback 0 4 Configure IPCP option 0x90 host1 config profile ppp ipcp netmask 5 Optionally set IP IPv6 MLPPP PPP or PPPoE characteristics NOTE When configuring either IP or IPv6 to operate over PPP you might want to initiate IP or IPv6 by using the appropriate ppp initiate command either ppp initiate ip or p...

Page 598: ...e include primary keyword to specify that the primary interface is assigned to the first subscriber Use the exclude primary keyword to specify that the primary interface is not used for dynamic subscribers By default the primary interface is not assigned to a dynamic subscriber Example host1 config profile ip auto configure ip subscriber include primary Use the no version to disable creation of dy...

Page 599: ...de IP options Example host1 config profile ip filter options all Use the no version to disable filtering of packets with IP options See ip filter options all ip igmp Use to enable IGMP on an interface and sets the IGMP version to IGMPv2 Example host1 config profile ip igmp Use the no version to disable IGMP on an interface See ip igmp ip ignore df bit Use to force the router to ignore the DF bit i...

Page 600: ...he total period of inactivity is now 29 minutes This is greater than the configured value and the interface is deleted Example host1 config profile ip inactivity timer 100 Use the no version to restore the default behavior which disables the inactivity timer See ip inactivity timer ip inspection Use to associate an inspection list to the inbound or outbound side of the IP interface Example host1 c...

Page 601: ... assignment from the profile See ip redirects ip route cache flow sampled Use to enable J Flow statistics on the interface Example host1 config profile ip route cache flow sampled Use the no version to delete J Flow statistics from the profile See ip route cache flow sampled ip route map ip subscriber Use to configure an interface for route map processing and specify the route map that is applied ...

Page 602: ...he profile See ip unnumbered ip virtual router Use to assign a virtual router VR to a profile Interfaces created by the profile are attached to this VR If the VR specified in a profile with the ip virtual router command differs from the VR provided by AAA IP uses the VR provided by AAA when the dynamic IP upper layer interface is created For more information about using the ppp authentication virt...

Page 603: ...interface use the command in Interface Subinterface or Profile Configuration mode for static interfaces The redirect URL can be a maximum of 64 characters NOTE The HTTP local server must be configured and enabled in the virtual router for the interface on which you use the ipv6 http redirectUrl command Otherwise the URL redirect operation will fail See Configuring the HTTP Server to Support Guided...

Page 604: ...ged config flag Use the no version to clear the flag from IPv6 router advertisements See ipv6 nd managed config flag ipv6 nd other config flag Use to set the other stateful configuration flag in IPv6 router advertisements Example host1 config profile ipv6 nd other config flag Use the no version to clear the flag from IPv6 router advertisements See ipv6 nd other config flag ipv6 nd prefix advertise...

Page 605: ...e after some reachability confirmation event has occurred Example Sets the reachable time to 30 000 milliseconds host1 config profile ipv6 nd reachable time 30000 Use the no version to restore the default value 0 milliseconds for router advertisements and 3 600 000 milliseconds 1 hour for Neighbor Discovery activity of the E Series router See ipv6 nd reachable time ipv6 nd suppress ra Use to suppr...

Page 606: ...ress from the interface See ipv6 unnumbered ipv6 virtual router Use to specify a VR in an IPv6 profile Dynamic interfaces created with the profile are assigned to this VR Example host1 config profile ipv6 virtual router westford01 Use the no version to remove the VR assignment from the profile If no VR is specified via RADIUS then any subsequent use of the profile to create a dynamic interface fai...

Page 607: ...PP peer To specify the name of a virtual router VR to be used as the authentication VR context use the virtual router keyword Keep the following points in mind when you use the ppp authentication virtual router command When you specify a VR in the ppp authentication command AAA does not query the domain map for the assigned VR context Instead AAA uses the VR specified in the ppp authentication com...

Page 608: ...e s PPP application accepts null usernames during PAP and CHAP authentication When the PPP application receives an authentication request that includes a null username PPP passes the request to AAA To take advantage of this feature configure your authentication server to support the use of null usernames Example 2 Specifies a virtual router for the authentication virtual router context This comman...

Page 609: ...ection instead of the default round robin link selection for non best effort traffic ensures that the router maintains the proper packet order when transmitting high priority packets When you configure hash based link selection the router uses the IP source address and IP destination address of the packet as a hash to select the MLPPP member link on which to transmit the packet Example The followi...

Page 610: ...out how the IPv4 addresses are restored see Chapter 7 Configuring Point to Point Protocol Example host1 config subif ppp ipcp lockout Use the no version to disable the IPCP lockout option on the interface See ppp ipcp lockout ppp ipcp netmask Use to specify Internet Protocol Control Protocol IPCP option 0x90 for each PPP interface By default IPCP option 0x90 is disabled on the interface Example ho...

Page 611: ...ected between 90 and 120 seconds after failure Use ppp keepalive without a value to restore the default 30 seconds Example host1 config profile ppp keepalive 50 Use the no version to disable keepalive See ppp keepalive ppp log Use to enable PPP packet or state machine logging on any dynamic interface that uses the profile being configured Specify one of the following keywords pppPacket Enables PPP...

Page 612: ...t Such renegotiation loops can cause excessive CPU utilization and can prevent the PPP client from coming up properly When a PPP client exceeds the configured maximum number of renegotation attempts the router sends a termination request to end the PPP session When the PPP session is terminated and LCP goes into a stopped closed state dynamic PPP or MLPPP interface columns are torn down and wait t...

Page 613: ...RU value or the lower layer MRU value minus the PPP header length to negotiate the local MRU If the value configured for the PPP MRU conflicts with a similar value configured for another protocol such as the MTU value for PPPoE the router uses the lesser of the two values Example host1 config if ppp mru 576 Use the no version to restore the default value which causes PPP to use the lower layer MRU...

Page 614: ...t effort voice low loss video Use the no version to disable reassembly on a multilink class See ppp multilink multiclass reassembly ppp multilink multiclass traffic class Use to configure mapping of QoS traffic classes to multilink classes on a dynamic MLPPP interface Example host1 config profile ppp multilink multiclass traffic class best effort voice low loss video Use the no version to delete t...

Page 615: ...resses passed to the router by the remote PC client differ from the ones you have configured on your router the router returns the values that you configured as the correct values to the remote PC client See ppp peer ppp reassembly Use to enable reassembly on an MLPPP link interface and optionally specify the administrative MRRU value in octets for the link Example host1 config profile ppp reassem...

Page 616: ...default Regardless of whether you enabled duplicate protection multiple IWF PPPoE sessions with the same MAC address the address of the DSLAM device are not terminated until the limit on the maximum number of PPPoE sessions configured on the major interface is reached See Guidelines for Configuring Duplicate Protection for IWF PPPoE Sessions on page 391 for a list of considerations to be observed ...

Page 617: ...ort Id 87 RADIUS attributes to uniquely identify subscriber locations Example host1 config profile pppoe remote circuit id Use the no version to restore the default behavior which is not to capture and process the remote circuit ID See pppoe remote circuit id pppoe service name table Use to assign a PPPoE service name table to dynamic interfaces created with this profile A PPPoE service name table...

Page 618: ... module the number of subinterfaces created is the default maximum value for that line module For example if you specify the number of subinterfaces for a ES2 4G LM as 32 000 interfaces the number of subinterfaces created is 16 000 which is the default maximum value for the ES2 4G LM Example host1 config profile pppoe sessions 3000 Use the no version to restore the default value 8000 ERX routers o...

Page 619: ...E to which your router connects Example host1 config profile svlan ethertype 8100 Use the no version to restore the default value 9100 See svlan ethertype vlan advisory rx speed Use to set an advisory receive speed for VLAN subinterfaces that are created with the profile you are configuring For detailed information about how to use this command see vlan advisory rx speed on page 669 Example host1 ...

Page 620: ... of PPPoE PADR and PADI packets Include this command in the base profile for a dynamic VLAN subinterface Example host1 config profile vlan auto configure agent circuit identifier Use the no version to disable creation of VLAN subinterfaces based on agent circuit identifier information See vlan auto configure agent circuit identifier vlan description Use to assign a description to VLAN subinterface...

Page 621: ...umeric characters Example host1 config vlan service profile vlanClass1Service host1 config service profile Use the no version to delete the service profile See vlan service profile Assigning a Profile to an Interface Use the profile command from Interface Configuration mode when you assign a profile to an interface For static PPP interfaces you can assign only a profile for IP encapsulations For s...

Page 622: ...ies a LLC encapsulated circuit the LLC SNAP header precedes the protocol datagram aal5mux ip Specifies a VC multiplexed circuit This option is used for IP only Example host1 config subif atm pvc 6 0 11 aal5autoconfig Use the no version to remove the specified PVC See atm pvc auto configure Use to configure an ATM subinterface to support a dynamic interface Specifies one or more types of dynamic en...

Page 623: ...r static PPP interface The profile configuration is used to dynamically configure an upper bridged Ethernet IP PPP or PPPoE interface The default encapsulation type any applies to any autoconfigured encapsulation that does not have a specific profile assignment Example host1 config subif profile ip holland Use the no version to remove the profile assignment from the interface See profile subscribe...

Page 624: ...fileA host1 config subif profile ppp ProfileB host1 config subif profile pppoe ProfileC host1 config subif subscriber ip user atm1 domain isp1 password atm1pw host1 config subif auto configure ip host1 config subif auto configure ppp host1 config subif auto configure pppoe host1 config subif exit This example also uses the three new profiles configured in the first three examples It shows one prof...

Page 625: ...pts and macros to configure the static portion of all dynamic interfaces A script or macro can specify the static interface by using the interface auto configure subscriber or profile commands These commands enable you to configure the interface as dynamic and to specify configuration sources for the dynamic upper layers These files can then be executed by the router as though the commands were en...

Page 626: ... a dynamic ATM 1483 subinterface configured over the ATM AAL5 interface is enabled or disabled InPackets Number of packets received on this interface InBytes Number of bytes received on this interface OutPackets Number of packets transmitted on this interface OutBytes Number of bytes transmitted on this interface InErrors Number of incoming errors received on this interface OutErrors Number of out...

Page 627: ...OA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on the IOA subinterface Number of the subinterface in the range 1 2147483647 To display brief summary information for all ATM subinterfaces or for ATM subinterfaces configured on a specified ATM physical interface use the summary keyword To display status information only for ATM subinterfaces with a ...

Page 628: ...t descriptor VPI Virtual path identifier VCI Virtual circuit or channel identifier Circuit Type Type of circuit PVC Encap Administered encapsulation method based on what was configured with the atm pvc command MTU Maximum transmission unit size for the interface Status One of the following ATM 1483 subinterface states absent Represents the notPresent state and indicates that although the SRP detec...

Page 629: ...mic or static Auto configure status Setting of the autoconfiguration feature dynamic Autodetection is on the router automatically detects the next upper interface static Autodetection is off Auto configure interface s Types of dynamic upper interfaces configured with the auto configure command bridged Ethernet IP PPP or PPPoE Detected 1483 encapsulation If the encapsulation type is set to aal5auto...

Page 630: ...ets discarded on this interface InPacketsUnknownProtocol Numberofincomingpacketswithanunknownprotocol type OutDiscards Number of outgoing packets discarded on this interface Example 1 Displays the current state of all ATM subinterfaces host1 show atm subinterface Circuit Interface Interface ATM Prot VCD VPI VCI Type Encap MTU Status Type ATM 2 0 101 RFC 1483 101 0 101 PVC AUTO 9180 dormantLockout ...

Page 631: ...igned profile PPP ppptest Assigned profile PPPoE pppoetest Assigned profile any none assigned BridgedEnet subscriber info Username elaine jpeterman com Password putty Authenticate enabled SNMP trap link status disabled InPackets 0 InBytes 1904 OutPackets 0 OutBytes 0 InErrors 0 OutErrors 0 InPacketDiscards 14 InPacketsUnknownProtocol 0 OutDiscards 0 1 interface s found Example 5 Displays the curre...

Page 632: ...ollowing keywords individually or in combination vpi Displays VCs on a specific VPI category Displays VCs that have a specific service category status Displays VCs with a certain status To display only a summary of all reserved VC ranges on the router specify the reserved keyword with no other keywords This includes VPI VCI ranges reserved for use by dynamic ATM 1483 subinterfaces Field descriptio...

Page 633: ... 0 UP ATM 3 0 3 0 102 4376 PVC AUTO CBR 1000 0 0 DOWN ATM 3 0 8099 1 8099 8099 PVC SNAP UBR 0 0 0 UP ATM 3 0 8100 1 8100 8100 PVC SNAP UBR 0 0 0 DOWN 8000 circuit s found Reserved VCC ranges Start Start End End Interface VPI VCI VPI VCI ATM 2 0 2 100 2 102 ATM 2 0 3 300 3 303 2 reservation s found Example 2 Displays all reserved VC ranges on the router host1 show atm vc reserved Reserved VCC range...

Page 634: ...showpppoeinterface onpage421 in Configuring Point to Point Protocol over Ethernet on page 371 Field descriptions Lockout Configuration seconds Encapsulation type lockout settings for the PPPoE client associated with the dynamic PPPoE subinterface column Min Minimum lockout time in seconds Max Maximum lockout time in seconds Total clients in active lockouts Number of PPPoE clients currently undergo...

Page 635: ...Lockout for PPPoE sessions on page 523 Client Address Source MAC address of the PPPoE client NOTE Because PPPoE sessions that contain the IWF Session DSL Forum VSA 26 154 use the same source MAC address of the DSLAM for all subscriber connections multiple entries are displayed in the Client Address field for the same MAC address if multiple IWF sessions contain the same MAC address Current Current...

Page 636: ...he PPPoE subinterface source MAC address MAC address of the PPPoE client associated with the dynamic PPPoE subinterface column Example host1 show pppoe subinterface full PPPoE subinterface ATM 3 0 101 has source MAC address 0090 1a10 165e See show pppoe subinterface show profile Use to display information about profiles To display information about a specific profile use the name keyword To displa...

Page 637: ... any static groups configured for IGMP Input policy Name of input policy and whether statistics are enabled or disabled Output policy Name of output policy and whether statistics are enabled or disabled PPP Keepalive PPP keepalive period in seconds PPP Magic Number Enabled or disabled PPP Magic Number Mismatch Indicates whether the router is configured to ignore the LCP peer magic number and retai...

Page 638: ...Pv6 Initiation of IPv6 over this PPP interface enabled or disabled PPP IPCP prompt option dns Prompts the CPE Customer Premises Equipment to negotiate the IPCP primary and secondary DNS options that are locally available with the broadband remote access server enabled or disabled PPPoE Max Sessions Maximum number of PPPoE subinterfaces that can be on an interface PPPoE Always offer Router offers t...

Page 639: ...nterface UBR the default UBR PCR NRT VBR RT VBR or CBR ATM1483 PVC Peak rate Peak cell rate PCR in Kbps for the PVC configured on a dynamic ATM 1483 subinterfaces ATM1483 PVC Avg rate Average rate in Kbps for the PVC configured on a dynamic ATM 1483 subinterface also referred to as sustained cell rate SCR ATM1483 PVC Burst size Length in cells of the burst for the PVC configured on a a dynamic ATM...

Page 640: ...nested profile assignments VLAN Service Profile Service profile name for a VLAN VLAN Svlan Ethertype Ethertype that the packet must use this to create the dynamic VLAN subinterface Bridged Ethernet Mtu MTU size configured for a dynamic bridged Ethernet interface Bridged Ethernet Service Profile Name of the IP service profile associated with the interface profile for this dynamic bridged Ethernet i...

Page 641: ... dynamic interface host1 show profile name pppoe PPP Keepalive 30 PPP Magic Number enabled PPP Magic Number Mismatch reject PPP Peer DNS Priority disabled PPP Peer WINS Priority disabled PPP Authentication PPP Authentication Router PPP Negotiate MRU use lower layer MRU PPP Packet Log disabled PPP State Log disabled PPP Chap Challenge Length 16 32 PPP Passive Mode disabled PPP Multilink disabled PP...

Page 642: ...main jpeterman com password putty ATM1483 IP Profile none assigned ATM1483 Bridged Ethernet Profile none assigned ATM1483 PPP Profile none assigned ATM1483 PPPoE Profile pppoeProfile Example 3 Displays configuration information for a base profile assigned to a dynamic VLAN subinterface host1 show profile name vlanProfile VLAN Auto configure ip enabled VLAN Auto configure pppoe enabled VLAN Svlan E...

Page 643: ...e Status Status of the VLAN subinterface up down dormant lowerLayerDown absent MTU Maximum allowable size in bytes of the MTU for the VLAN subinterface Svlan Id S VLAN ID value if configured Vlan Id VLAN ID value for the VLAN subinterface Ethertype S VLAN Ethertype value if configured Type Type of VLAN subinterface Static VLAN or S VLAN subinterface was configured statically Dynamic VLAN or S VLAN...

Page 644: ...s in all received packets some packets might contain more than one error Discards Total number of discarded incoming packets Out Analysis of outbound traffic on this interface Bytes Number of bytes sent on the VLAN or S VLAN subinterface Packets Number of packets sent on the VLAN or S VLAN subinterface Multicast Number of multicast packets received on the VLAN or S VLAN subinterface Broadcast Numb...

Page 645: ... Status MTU Svlan Id Vlan Id Ethertype Type FastEthernet 4 5 1 Up 522 1 Dynamic 1 vlan subinterface found Example 3 Displays full status and configuration information for the specified S VLAN ID host1 show vlan subinterface svlan id 100 53 Interface Status MTU Svlan Id Vlan Id Ethertype Type FastEthernet 0 0 1 Up 1526 100 53 0x9100 Static FastEthernet 4 6 1 Up 1526 100 53 0x9100 Dynamic 2 vlan sub...

Page 646: ...te a debug profile that includes the same attributes as an existing nondebug profile with the addition of one or more PPP or PPPoE packet logging attributes enabled Observe the following guidelines when you create the debug profile Because PPP and PPPoE packet logging is performed at log severity 7 debug priority configure a destination such as the console to log severity level 7 and issue the log...

Page 647: ...suing the profile reassign command does not reestablish the interface connection 4 Optional Use the appropriate show command to verify the profile reassignment For example host1 show atm subinterface atm 2 0 101 When you reassign a debug profile to an ATM 1483 subinterface the reassignment is stored in NVS and persists after a reboot If you issue the show atm subinterface or show configuration com...

Page 648: ...e profile applies pppoe Specifies a PPPoE encapsulation type to which the profile applies any Specifies any autoconfigured encapsulation that does not have a specific profile assignment valid only if neither the ppp encapsulation type nor the pppoe encapsulation type has an existing profile assignment Specify a profile name of up to 80 alphanumeric characters Example 1 Facilitates debugging for th...

Page 649: ...gured in profile pppConfig this command also disables logging for the interface host1 profile reassign atm 2 0 101 ppp pppConfig WARNING Execution of this command will cause all dynamic interfaces over atm 2 0 101 to be torn down Proceed with profile reassignment confirm yes Profile pppLogConfig replaced by profile pppConfig for ppp There is no no version See profile reassign 617 Copyright 2010 Ju...

Page 650: ...Copyright 2010 Juniper Networks Inc 618 JunosE 11 2 x Link Layer Configuration Guide ...

Page 651: ...igured dynamic interfaces are created automatically and transparently through the receipt of data over a lower layer link such as an ATM virtual circuit VC or a virtual LAN VLAN using autodetection The layers of a dynamic interface are created based on the packets received on the link and can be configured through any one of the following RADIUS authentication through PPP or ATM 1483 Profiles A co...

Page 652: ...mic ATM 1483 Dynamic IPv6 over dynamic MLPPP over dynamic PPPoE over dynamic ATM 1483 Dynamic IPv6 over dynamic PPP over dynamic PPPoE over dynamic VLAN Dynamic IPv6 over dynamic MLPPP over dynamic PPPoE over dynamic VLAN For more information about IPv4 see chapter Configuring IP in JunosE IP IPv6 and IGP Configuration Guide For more information about IPv6 see chapter Configuring IPv6 in JunosE IP...

Page 653: ...to oversubscription of static ATM 1483 subinterfaces that support dynamic upper layer encapsulation types For more information see ATM Oversubscription for Dynamic Interfaces on page 515 in Configuring Dynamic Interfaces on page 511 Bulk Configured VC Ranges An active bulk configured VC range is associated with a dynamic ATM 1483 subinterface that supports a dynamic upper layer encapsulation type ...

Page 654: ...ted from bulk configured VC ranges cannot exceed the maximum number of active subinterfaces supported by the line module The number of active dynamic subinterfaces created from the bulk configured VC ranges is limited by both of the following The number of static ATM subinterfaces that exist on the line module which cannot exceed the maximum number of configured ATM 1483 subinterfaces supported on...

Page 655: ...nterface format to specify the physical interface that you want to configure to support dynamic interfaces However the interface specifier format that you use depends on the router that you are using For ERX7xx models ERX14xx models and ERX310 router use the slot port subinterface format For example the following command specifies ATM 1483 subinterface 10 on slot 0 port 1 of an ERX7xx model ERX14x...

Page 656: ...FC 3046 DHCP Relay Agent Information Option January 2001 Configuring ATM 1483 Dynamic Subinterfaces E Series routers support configuration of dynamic ATM 1483 subinterfaces over static ATM AAL5 interfaces over ATM The dynamic ATM 1483 subinterface can perform autodetection and dynamic creation of the following upper layer encapsulation types Bridged Ethernet IP PPP PPPoE Figure 58 on page 625 show...

Page 657: ...of an incoming packet on the virtual circuit the router dynamically creates the ATM 1483 subinterface As part of the configuration process you create an ATM 1483 base profile which can optionally include nested profile assignments to define the attributes required to configure the dynamic ATM 1483 subinterface and the dynamic upper layer encapsulation types built over it Bulk configuration provide...

Page 658: ...ter to send this description to AAA by using the atm atm1483 export subinterface description command as described in Sending Interface Descriptions to AAA on page 41 in Configuring ATM on page 3 profile Adds a nested profile assignment which references another profile that dynamically configures an upper interface encapsulation type over the ATM 1483 subinterface For information see atm atm1483 pr...

Page 659: ...ested profile assignment for the specified encapsulation type is in the base profile If on the other hand a nested profile assignment for this encapsulation type exists in the base profile the router obtains all characteristics for that encapsulation type from the nested profile and not from the base profile For lists of the characteristics for each supported upper interface encapsulation type see...

Page 660: ... JunosE Release Notes Appendix A System Maximums Do not use any reserved VCI values when configuring VCs with the atm bulk config command For information about reserved VCIs see Configuring F4 OAM on page 31 in Configuring ATM on page 3 Bulk Configuration and VC Classes You can assign a previously configured VC class to a bulk configured VC range A VC class is a set of attributes for virtual circu...

Page 661: ... the profile atm1483 bulk config name command As a final step you must issue the auto configure atm1483 command This command configures the ATM AAL5 interface to support autodetection of the ATM 1483 dynamic encapsulation type When the router receives an incoming data packet on a circuit it dynamically creates the ATM 1483 subinterface using the attributes specified in the base profile After exami...

Page 662: ...ATM PVC on a static ATM interface Previously configurations that caused VPI VCI address conflicts between a static ATM interface and a bulk configured VC subrange were prohibited on the router In certain ATM network configurations you might need to transparently forward traffic from selected circuits with unrelated addresses to another location in the network The ability to create a static ATM int...

Page 663: ...aces Within VC Subranges on page 650 Terminating Stale PPPoA Subscribers and Restarting LCP Negotiations In configurations of dynamic IP over dynamic PPP over a dynamic bulk configured ATM 1483 subinterface the router sends an LCP terminate request packet to a PPPoA CPE device in response to receipt of an IPv4 over PPP data packet or an IPv6 over PPP data packet when the dynamic ATM 1483 subinterf...

Page 664: ...83 subscriber command in this configuration might suspend stateful SRP switchover on the router or prevent stateful SRP switchover from becoming active To bypass this limitation you can use the subscriber management application to configure IP subscribers on dynamic bridged Ethernet interfaces Configuration Method Using Subscriber Management Application You can use the JunosE subscriber management...

Page 665: ...ateful SRP switchover applies equally to the atm atm1483 subscriber command For more information about using the subscriber management application see JunosE Broadband Access Configuration Guide Configuring a Dynamic ATM 1483 Subinterface To configure a dynamic ATM 1483 subinterface 1 Optional Configure profiles containing characteristics for the dynamic upper interface encapsulation types to be c...

Page 666: ...pes and include additional profile characteristics for other encapsulation types as needed For example the following commands configure nested profile assignments for the PPP and IP upper interface encapsulation types and define additional attributes for the PPPoE upper interface encapsulation type host1 config profile atm atm1483 profile ppp myPppProfile host1 config profile atm atm1483 profile i...

Page 667: ...ta forwarding You can use it to indicate the speed of the client interface When traffic is tunneled with L2TP the advisory receive speed is sent from the LAC to the LNS See LAC Configuration Prerequisites for additional information about the advisory receive speed The range is 0 2147483647 kbps Example host1 config profile atm atm1483 advisory rx speed 2000 Use the no version to restore the defaul...

Page 668: ... upper interface encapsulation type See atm atm1483 profile atm atm1483 subscriber Use to configure a local subscriber for a dynamic upper interface encapsulation type configured over a dynamic ATM 1483 subinterface A subscriber supports authentication and configuration from the RADIUS server Optionally you can include this command in the base profile for a dynamic ATM 1483 subinterface When you c...

Page 669: ...mation about using the subscriber management application to bypass this limitation see Authenticating Subscribers on Dynamic Bridged Ethernet over Dynamic ATM Interfaces on page 632 Example 1 host1 config profile atm atm1483 subscriber ip user prefix boston01 domain myisp password prefix abc123 Example 2 host1 config subif atm atm1483 subscriber bridgedEthernet user westford003 domain acmecorp eas...

Page 670: ...d within a subrange Removal of a subrange automatically results in the removal of all overriding profile assignments on that subrange You can create a bulk configured VC subrange that includes the VPI and VCI addresses belonging to an existing ATM PVC on a static ATM interface You cannot create a bulk configured VC range on an ATM interface on which you have configured CAC Conversely you cannot co...

Page 671: ...lass vc atm pvc Use to apply encapsulation traffic shaping and OAM parameters to the range of ATM PVCs configured on an ATM AAL5 interface for use by a dynamic ATM 1483 subinterface Include this command in the base profile for a dynamic ATM 1483 subinterface You must specify one of the following encapsulation types aal5autoconfig Enables autodetection of the 1483 encapsulation LLC SNAP or VC multi...

Page 672: ...ect an ATM interface or ATM 1483 subinterface To specify an ATM interface for ERX7xx models ERX14xx models and ERX310 router use the slot port subinterface format slot Number of the chassis slot port Port number on the I O module subinterface Number of the subinterface in the range 1 2147483647 To specify an ATM interface for E120 and E320 routers use the slot adapter port subinterface format slot...

Page 673: ...fig name Use to assign the base profile configured for a dynamic ATM 1483 subinterface to the VC range configured on a static ATM AAL5 interface You must specify both of the following Name assigned to the VC range on an ATM AAL5 interface as specified in the atm bulk config command Name assigned to the base profile for a dynamic ATM 1483 subinterface Example host1 config if profileatm1483bulk conf...

Page 674: ...ce atm 4 0 host1 config if atm bulk config myBulkConfig vc range 0 4 21 1000 vc range 5 7 21 2000 3 Assign the previously configured base profile atm1483BaseProfile to the bulk configured VC range host1 config if profile atm1483 bulk config name myBulkConfig atm1483BaseProfile 4 Assign the previously configured overriding profile to a single ATM PVC within the bulk configured VC subrange The follo...

Page 675: ...e an overriding profile assignment from an ATM PVC within a bulk configured VC range 1 Remove the overriding profile assignment from the specified ATM PVC host1 config if no profile atm1483 bulk config name myBulkConfig pvc 0 101 2 Select the dynamic ATM 1483 subinterface on which the ATM 1483 dynamic subinterface column resides host1 config interface atm 4 0 101 3 Use the shutdown command to disa...

Page 676: ...ulk config myBulkConfig vc range 0 4 21 1000 atm bulk config Use to create a bulk configured VC range on a static ATM AAL5 interface for use by a dynamic ATM 1483 subinterface For detailed information about how to use this command see atm bulk config on page 637 Example host1 config atm bulk config test1 vc range 0 1 101 600 vc range 3 5 201 3200 Use the no version to remove the specified VC range...

Page 677: ...CI values of a VC subrange previously configured with the atm bulk config command Example 1 In this example a previously configured VC range named test1 includes a VC subrange with VPIs 3 5 and VCIs 201 3200 The following command assigns an overriding profile test1DebugProfile to the ATM PVC with VPI 4 and VCI 301 that is within this subrange host1 config if profile atm1483 bulk config name test1 ...

Page 678: ...e specifies the original VC subranges host1 config if atm bulk config test vc range 1 1 101 150 vc range 2 2 201 250 vc range 5 5 501 550 vc range 3 3 301 350 To add subranges to this bulk configured VC range you can choose either of the following methods Each method adds a new subrange 4 4 401 450 to the existing VC range test Specify one new subrange at a time host1 config if atm bulk config tes...

Page 679: ...ltiple removal commands one for each subrange You cannot remove only part of a subrange A removal command cannot encompass more than one subrange even if the subranges are adjacent However if you do not specify any subranges you can remove all subranges in the VC and the named VC range at the same time host1 config if no atm bulk config test Modifying VC Subranges You can shorten or expand a subra...

Page 680: ... retains any overriding profile assignments on the subranges made before the merger and applies them to the new merged subrange You can separate merged subranges either by removing the merged subrange and then adding new separate subranges or by modifying the merged subrange to remove some portion of the subrange and then adding a new subrange The following example specifies the original VC subran...

Page 681: ...cuits in this subrange No additional dynamic ATM 1483 subinterfaces can be created until you change the administrative state to up host1 config if atm bulk config test shutdown vc range 2 2 201 250 The following command changes the administrative state of this same VC subrange to up host1 config if no atm bulk config test shutdown vc range 2 2 201 250 You can change the administrative state of all...

Page 682: ...tains overriding profiles that were assigned to the separate subranges and applies the overriding profiles to the newly merged subrange Example host1 config if atm bulk config test modify vc range 2 3 210 230 There is no no version See atm bulk config modify atm bulk config shutdown Use to administratively disable shut down a specified VC subrange or all subranges in a VC range The administrative ...

Page 683: ...TM layer 2 services over MPLS tunnel on the circuit host1 config subif mpls relay 192 168 0 1 2100 Creating VC Subranges That Include Static ATM Interfaces You can configure a bulk configured VC subrange that includes the VPI and VCI addresses belonging to an existing ATM PVC on a static ATM interface This example is essentially the reverse of the procedure in Creating Static ATM Interfaces Within...

Page 684: ... the encapsulation type For more information about these parameters see Creating a Basic Configuration on page 20 in Configuring ATM on page 3 You can create a PVC within an existing bulk configured VC subrange or a bulk configured VC subrange that includes the VPI and VCI values of an existing PVC Use the aal0 encapsulation keyword to cause the router to receive raw ATM cells on this circuit and ...

Page 685: ...ection and dynamic creation of the following upper layer encapsulation types IP PPPoE NOTE Unlike ATM which supports dynamic upper interfaces over static ATM 1483 subinterfaces youmustconfigureadynamicVLANsubinterfacetoenableautodetection and dynamic creation of IP and PPPoE interfaces Figure 59 on page 653 shows the dynamic upper interface columns supported by dynamic VLAN subinterfaces and indic...

Page 686: ...D You can also configure the router to further examine the packet for agent circuit identifier information Based on these values and the configuration data received from a profile the router creates all dynamic layers above the VLAN layer starting with the lowest dynamic layer For example in the case of a dynamic PPPoE interface the router creates the interfaces in the following order Dynamic VLAN...

Page 687: ...r when the subscriber logs in For more information about the attributes of VLAN and S VLAN subinterfaces see Configuring VLAN and S VLAN Subinterfaces on page 167 VLAN Base Profiles To configure a dynamic VLAN subinterface over a static VLAN major interface you must create a base profile The base profile includes one or more of the following attributes for the VLAN subinterface advisory rx speed S...

Page 688: ...erface encapsulation type might differ depending on the column type built by the router To manage these differences you can include one or more nested profile assignments within the VLAN base profile A nested profile assignment references another profile that configures attributes for a dynamic upper interface encapsulation type You can create different profiles for each upper interface encapsulat...

Page 689: ... S VLAN IDs that reside within the VLAN range you specify The process of configuring a VLAN range for a dynamic VLAN subinterface is referred to as bulk configuration You create a bulk configuration by issuing the vlan bulk config command For example the following commands create a VLAN bulk configuration named myBulkConfig on the specified VLAN interface host1 config interface gigabitEthernet 2 0...

Page 690: ...st1 config if vlan bulk config myAgent2BulkConfig svlan range 200 250 agent circuit identifier svlan range 3000 3500 agent circuit identifier After you issue the vlan bulk config command with the agent circuit identifier keyword the router provisions the S VLAN IDs in the specified bulk configured VLAN range at the same time The router does not dynamically create the VLAN subinterface until it rec...

Page 691: ... information enables you to manage subscribers in single tagged or untagged N 1 configurations that do not use encapsulation to uniquely identify subscribers In these configurations the router intercepts the agent circuit identifier string from DHCP messages or from PPPoE PADR and PADI packets to build a unique subscriber interface For double tagged 1 1 configurations the router uses standard dyna...

Page 692: ...a profile enables you to create a special profile for a subscriber in a DSLAM For example you can use the overriding profile to create dynamic VLAN subinterfaces for subscribers with an S VLAN ID of 200 and a VLAN ID of 100 You can also use an overriding profile with debugging attributes to troubleshoot problems with VLAN dynamic subinterface columns For configuration instructions and examples see...

Page 693: ... VLAN subrange You cannot create a static VLAN if the single tagged VLAN ID or double tagged S VLAN ID conflicts with an existing VLAN dynamic subinterface column Such a configuration would disrupt subscribers already connected to the router via the dynamic subinterface For configuration information and examples see Configuring Static VLAN Subinterfaces Within VLAN Subranges on page 679 Configurin...

Page 694: ...on types host1 config profile vlan profile ip myIpProfile 6 Exit Profile Configuration mode 7 Configure the VLAN major interface host1 config interface gigabitEthernet 5 0 host1 config if encapsulation vlan 8 Configure a VLAN range on the major VLAN interface and assign a name to this range NOTE For information about the maximum number of VLAN bulk configurations supported per chassis see JunosE R...

Page 695: ...e IP upper interface encapsulation type c Enable autoconfiguration of VLANs that are based on agent circuit identifier information d Optional Create nested profile assignments for the upper interface encapsulation types host1 config profile vlan auto configure pppoe host1 config profile vlan auto configure ip host1 config profile vlan auto configure agent circuit identifier host1 config profile ex...

Page 696: ...nterface gigabitEthernet 4 0 101 host1 config if vlan bulk config myBulkConfig vlan range 150 250 vlan range 300 500 3 Assign the previously configured base profile vlanBaseProfile to the bulk configured VLAN range host1 config if profile vlan bulk config myBulkConfig vlanBaseProfile 4 Assign the previously configured overriding profile to a single VLAN ID or double tagged S VLAN ID within the bul...

Page 697: ... overriding profile assignment from a VLAN 1 Remove the overriding profile assignment from the specified VLAN ID or S VLAN ID host1 config if no profile vlan override bulk config name myBulkConfig vlan 202 overrideVoiceSubscriber 2 Select the dynamic VLAN subinterface on which the VLAN dynamic subinterface column resides host1 config interface gigabitEthernet 4 0 101 3 Use the shutdown command to ...

Page 698: ...s one VLAN subrange S VLAN IDs 50 150 and VLAN IDs 150 250 and only those overriding profile assignments associated with this subrange host1 config if no vlan bulk config myBulkConfig svlan range 50 150 150 250 auto configure vlan Use to configure the static VLAN major interface to support autodetection of an VLAN dynamic interface type You must issue this command to enable creation of a dynamic V...

Page 699: ... an interface You must issue the no version from the highest level down you cannot remove an interface or subinterface if the one above it still exists See interface gigabitEthernet See interface tenGigabitEthernet profile Use to create a base profile to configure attributes for a dynamic VLAN subinterface Specify a profile name of up to 80 alphanumeric characters Example host1 config profile vlan...

Page 700: ...le2 Assignsanoverridingprofile test1DebugProfile totheS VLANsubinterface with S VLAN ID 100 within the VLAN subinterface with V LAN ID 202 host1 config if profile vlan override bulk config svlan 100 202 test1OverridingProfile Example 3 Removes the overriding profile assignment from the VLAN subinterface with VLAN ID 202 and restores the original base profile assignment host1 config if no profile v...

Page 701: ...e LNS See LAC Configuration Prerequisites for additional information about the advisory receive speed The range is 0 2147483647 kbps 0 indicates no advisory speed setting Example host1 config profile vlan advisory rx speed 2000 Use the no version to restore the default behavior the Rx speed is not sent to the LNS See vlan advisory rx speed vlan advisory tx speed Use to set an advisory connect spee...

Page 702: ...le vlan auto configure agent circuit identifier Use the no version to disable creation of VLAN subinterfaces based on agent circuit identifier information See vlan auto configure agent circuit identifier vlan bulk config Use to create a bulk configured VLAN range on a static VLAN major interface for use by a dynamic VLAN subinterface NOTE For information about the maximum number of VLAN bulk confi...

Page 703: ...sting VLAN major interface on a static VLAN subinterface Example1 Configuresa VLANrangenamed myBulkConfig witha singleVLANsubrange containing VLAN IDs 100 500 host1 config if vlan bulk config myBulkConfig vlan range 100 500 Example 2 Configures a VLAN range named myMultiBulkConfig with two VLAN subranges containing S VLAN IDs 101 600 with VLAN IDs 0 1 first subrange and S VLAN IDs 201 3200 with VL...

Page 704: ...en you attach a policy to an interface that already has a policy attached This keyword saves the statistics for any classifier list that is the same for both the new and old policy attachments Without the preserve keyword all statistics are deleted when you attach the new policy For example when you replace a policy attachment that references the original policy list plOne with a new attachment re...

Page 705: ...e upper interface encapsulation type See vlan profile vlan service profile Use to specify a service profile name for a dynamic VLAN and to enter Service Profile Configuration mode Service profiles contain user and password information and are used in route maps for subscriber management and to authenticate subscribers with RADIUS You can specify a service profile name with up to 80 alphanumeric ch...

Page 706: ...nges If you use this method all the existing subranges and their order must match exactly or the operation fails host1 config if vlan bulk config test svlan range 201 250 2 2 svlan range 501 550 5 5 svlan range 301 350 3 3 svlan range 401 450 4 4 The following operation fails because the order of subranges does not match the existing order host1 config if vlan bulk config test svlan range 201 250 ...

Page 707: ...ubrange by modifying the subrange values of a VLAN range You can expand a subrange if none of the VLAN IDs or S VLAN IDs added overlap with any other subrange You can shorten a subrange if none of the VLAN IDs or S VLAN IDs have existing dynamic VLAN subinterfaces You can also modify an existing subrange by configuring it to use agent circuit identifier information rather than a range of VLAN IDs ...

Page 708: ...e router retains any overriding profile assignments on the subranges made before the merger and applies them to the new merged subrange You can separate merged subranges either by removing the merged subrange and then adding new separate subranges or by modifying the merged subrange to remove some portion of the subrange and then adding a new subrange The following example specifies the original V...

Page 709: ...brange No additional dynamic VLAN subinterfaces can be created until you change the administrative state to up host1 config if vlan bulk config test shutdown svlan range 201 250 2 2 The following command changes the administrative state of this same VLAN subrange to up host1 config if no vlan bulk config test shutdown svlan range 201 250 2 2 You can also change the administrative state of VLAN sub...

Page 710: ...Ds overlap with any other subrange You can shorten a subrange if none of the dropped VLAN IDs or S VLAN IDs have existing dynamic VLAN subinterfaces You can also modify an existing subrange by configuring it to use agent circuit identifier information rather than a range of VLAN IDs Modifying a subrange so that it completely includes at least one other subrange from within the same VLAN range effe...

Page 711: ...face The following sections describe how to perform these tasks The example procedures in this section show how to configure static VLAN subinterfaces within VLAN subranges by using the same loopback interface referenced by multiple unnumbered IP interfaces Instead of assigning a different IP address to each physical interface the first example assigns an IP address to a loopback interface loopbac...

Page 712: ...Ethernet 3 1 host1 config if encapsulation vlan 2 Specify a static VLAN subinterface host1 config if interface gigabitEthernet 3 1 201 3 Do one of the following Assign a VLAN ID for the subinterface host1 config if vlan id 201 Assign a VLAN ID and the optional unique MAC address for the subinterface host1 config if vlan id 201 mac address 0090 1a01 1234 4 Create a bulk configured VLAN range that i...

Page 713: ...nterface You must specify an interface location which is the identifier of another interface on which the router has an assigned IP address This interface cannot be another unnumbered interface Examples host1 config if ip unnumbered fastEthernet 3 0 host1 config if ip unnumbered loopback 10 Use the no version to disable IP processing on the interface See ip unnumbered vlan bulk config Use to creat...

Page 714: ...ime since last status change Time since last reported change to the AAL5 interface operational status in hh mm ss format SNMP trap link status Whether SNMP link status traps are enabled or disabled on the ATM AAL5 interface Auto configure ATM 1483 status Whether the autoconfiguration feature for a dynamic ATM 1483 subinterface configured over the ATM AAL5 interface is enabled or disabled InPackets...

Page 715: ...rd To display information only about overriding profile assignments configured for specific ATM PVCs within bulk configured VC subranges use the command with the override keyword When you specify the override keyword the command does not display information about base profile assignments Field descriptions Interface Identifier of the ATM AAL5 physical interface on which the bulk configured VC rang...

Page 716: ...s because a static ATM circuit with the same VPI VCI values exists on this interface Example 1 Displays information about base profile assignments and overriding profile assignments for all bulk configured VC ranges on the router The VC range named test consists of a single VC subrange 1 1 101 200 has a base profile named atm1483BaseProfile assigned and has an overriding profile named overrideProf...

Page 717: ...BaseProfile up 1 bulk configuration s found Profile override s Bulk Config Interface Name VPI VCI Assigned Profile Status ATM AAL5 3 0 test 1 151 overrideProfile1 Active ATM AAL5 3 0 test 1 161 overrideProfile1 Active 2 profile override s found Example 4 Displays information only about overriding profile assignments for all bulk configured VC ranges on the router host1 show atm bulk config overrid...

Page 718: ...terface format slot Number of the chassis slot adapter Identifier for the IOA within the E320 chassis either 0 or 1 where 0 indicates that the IOA is installed in the right IOA bay E120 router or the upper IOA bay E320 router 1 indicates that the IOA is installed in the left IOA bay E120 router or the lower IOA bay E320 router port Port number on the IOA subinterface Number of the subinterface in ...

Page 719: ...face These guidelines also apply to E120 and E320 routers when you use the atm slot adapter port vpi vci format as an alternative to the atm slot adapter port subinterface format For more information see Creating a Basic Configuration on page 20 in Configuring ATM on page 3 Field descriptions Interface Interface identifier ATM Prot One of the following ATM protocol types RFC 1483 Multiprotocol enc...

Page 720: ...face is administratively disabled or has a circuit that is down or not configured lowerLayerDown Indicates that a lower layer interface below the ATM 1483 subinterface is down up Indicates that the ATM 1483 subinterface is up and able to transfer data For an ATM 1483 subinterface that supports one or more dynamic upper layer interfaces indicates that the router has created the dynamic upper layer ...

Page 721: ...tes received on this interface OutPackets Number of packets transmitted on this interface OutBytes Number of bytes transmitted on this interface InErrors Number of errors received on this interface OutErrors Number of outgoing errors on this interface InPacketDiscards Number of incoming packets discarded on this interface InPacketsUnknownProtocol Numberofincomingpacketswithanunknownprotocol type O...

Page 722: ...nfigure interface s IP bridgedEthernet PPP PPPoE Detected 1483 encapsulation AUTO Detected dynamic interface none Interface types in lockout IP Lockout state seconds Min Max Current Elapsed Next IP 1 30 16 7 30 BridgedEnet 900 3600 0 0 900 PPP 1 300 0 0 1 PPPoE 1 300 0 0 1 Assigned profile IP ipoa Assigned profile BridgedEnet beth Assigned profile PPP ppptest Assigned profile PPPoE pppoetest Assig...

Page 723: ...InErrors 0 OutErrors 0 InPacketDiscards 3 InPacketsUnknownProtocol 0 OutDiscards 0 1 interface s found See show atm subinterface show atm vc Use to display a summary of all configured ATM VCs and reserved VC ranges You can specify one or more of the following keywords individually or in combination vpi Displays VCs on a specific VPI category Displays VCs that have a specific service category statu...

Page 724: ...ved VC range Example 1 Displays all VCs and reserved VC ranges on the router host1 show atm vc Cate Rx Tx Rx Tx Rx Tx Sta Interface VPI VCI VCD Type Encap gory Peak Avg Burst tus ATM 3 0 2 0 101 4375 PVC AUTO CBR 1000 0 0 UP ATM 3 0 3 0 102 4376 PVC AUTO CBR 1000 0 0 DOWN ATM 3 0 8099 1 8099 8099 PVC SNAP UBR 0 0 0 UP ATM 3 0 8100 1 8100 8100 PVC SNAP UBR 0 0 0 DOWN 8000 circuit s found Reserved V...

Page 725: ...mic PPPoE subinterface column The following field descriptions and example include only the portion of the show pppoe interface command display relevant to lockout configuration for PPPoE clients Formoreinformationaboutusingthiscommand see showpppoeinterface onpage421 in Configuring Point to Point Protocol over Ethernet on page 371 Field descriptions Lockout Configuration seconds Encapsulation typ...

Page 726: ... PPPoE clients currently undergoing dynamic encapsulation type lockout Total clients in lockout grace period Number of PPPoE clients currently in a lockout grace period for more information about the lockout grace period see Guidelines for Configuring Encapsulation Type Lockout for PPPoE sessions on page 523 in Configuring Dynamic Interfaces on page 511 Client Address Source MAC address of the PPP...

Page 727: ... the show pppoe subinterface command display relevant to the source MAC address for PPPoE clients For more information about using this command see show pppoe subinterface on page 428 in Configuring Point to Point Protocol over Ethernet on page 371 Field descriptions PPPoE subinterface Specifier for the PPPoE subinterface source MAC address MAC address of the PPPoE client associated with the dynam...

Page 728: ...or disabled Route Map Name Route map applied to the IP interface subscriber enabled or disabled Auto Detect Router automatically detects packets that do not match any entries in the demultiplexer table enabled or disabled Auto Configure Dynamic creation of subscriber interfaces on a primary IP interface enabled or disabled IGMP Enabled or disabled static groups Displays address of any static group...

Page 729: ...e on an interface PPPoE Always offer Router offers to set up a session for the client even if the router has insufficient resources to establish a session enabled or disabled PPPoE Remote Circuit Id Router captures and processes a vendor specific tag containing a remote circuit ID transmitted from a digital subscriber line access multiplexer DSLAM enabled or disabled PPPoE Log PPPoeControlPacket E...

Page 730: ...ferred to as sustained cell rate SCR ATM1483 PVC Burst size Length in cells of the burst for the PVC configured on a a dynamic ATM 1483 subinterface also referred to as maximum burst size MBS ATM1483 Description Text description assigned to ATM 1483 subinterfaces that are created with this profile ATM1483 Advisory Rx Speed Configured receive speed in Kbps for the dynamic ATM 1483 subinterface The ...

Page 731: ...terface encapsulation type IP or PPPoE these profiles are referenced in the base profile for a dynamic VLAN subinterface as nested profile assignments VLAN Service Profile Service profile name for a VLAN VLAN Svlan Ethertype Ethertype that the packet must use this to create the dynamic VLAN subinterface Bridged Ethernet Mtu MTU size configured for a dynamic bridged Ethernet interface Bridged Ether...

Page 732: ...t Enabled PPPoE ACNAME CYM9876 PPPoE URL http www urlofinterest com PPPoE MOTM goodmorning PPPoE Service Name table myServiceTable1 Example 2 Displays configuration information for a base profile assigned to a dynamic ATM 1483 subinterface host1 show profile name atm1483BaseProfile ATM1483 Auto configure ip disabled ATM1483 Auto configure bridgedEthernet disabled ATM1483 Auto configure ppp enabled...

Page 733: ...ated with a particular bulk configuration name use the command with the name keyword To display information for a particular VLAN range on a specified VLAN interface use the command with the interface specifier and the name keyword Field descriptions Interface Identifier of the physical interface on which the bulk configured VLAN range resides For more information about specifying the VLAN subinte...

Page 734: ...for all VLAN ranges configured on a specified Fast Ethernet interface host1 show vlan bulk config interface fastEthernet 4 6 Bulk Start End Start End Config Svlan Svlan Vlan Vlan Assigned Interface Name Id Id Id Id Profile Status FastEthernet 4 6 vlanOnly 1 1 0 0 vlanProfile Up FastEthernet 4 6 vlanOnly 2 2 any any vlanProfile Up 2 vlan bulk config s found Profile override s Bulk Config Svlan Vlan...

Page 735: ...s configured on the router Use the summary keyword to display only the counts of all VLAN subinterfaces and VLAN major interfaces configured on the router Use the vlan or svlan keywords to display information about specific VLAN IDs or S VLAN IDs Use the agent circuit identifier keyword to display information about VLAN subinterfaces that are created based on the agent circuit id information in th...

Page 736: ...me in seconds displays 0 zero if lockout is not occurring Next Lockout time for the router to use for the next lockout event in seconds In Analysis of inbound traffic on this interface Bytes Number of bytes received on the VLAN or S VLAN subinterface Packets Sum of all unicast broadcast and multicast packets received on the VLAN or S VLAN subinterface Multicast Number of multicast packets received...

Page 737: ...nformation for all VLAN subinterfaces configured on the router host1 show vlan subinterface Interface Status MTU Svlan Id Vlan Id Ethertype Type ATM 3 0 1 2 Up 1522 11 Static ATM 3 0 1 3 Up 1522 12 Static ATM 3 1 1 1 Up 1522 13 Static ATM 3 1 1 2 Up 1522 14 Static ATM 3 2 1 1 Down 1526 4 255 0x9100 Static FastEthernet 4 5 1 Up 1522 1 Dynamic 6 vlan subinterfaces found Example 2 Displays full statu...

Page 738: ...st 1 Errors 0 Discards 0 ARP Statistics In ARP requests 0 ARP responses 0 Errors 0 Discards 0 Out ARP requests 0 ARP responses 0 Errors 0 Discards 0 Example 5 Displays status information for dynamic VLAN subinterfaces that are created based on agent circuit identifier information host1 show vlan subinterface Interface Status MTU Svlan Id Vlan Id Ethertype Type FastEthernet 4 0 1 Up 1522 2 Dynamic ...

Page 739: ...PART 2 Index Index on page 709 707 Copyright 2010 Juniper Networks Inc ...

Page 740: ...Copyright 2010 Juniper Networks Inc 708 JunosE 11 2 x Link Layer Configuration Guide ...

Page 741: ...iscovery mode and OAM link fault management 230 configuration on provider edge devices 230 functions of 230 performance variables responding to 237 retrieval of 237 starting remote loopback by the local entity 235 triggering the discovery process 230 address ranges VPI VCI 7 12 Agent Circuit Id format of configuration scenario for encapsulation lockout IWF PPPoE sessions 525 Agent Circuit Id DSL F...

Page 742: ...commands atm aal5 description 40 atm aal5 shutdown 24 atm aal5 snmp link status 24 ATM Adaptation Layer See AAL atm atm1483 commands atm atm1483 advisory rx speed 24 587 635 669 atm atm1483 auto configure 635 atm atm1483 description 40 41 636 atm atm1483 export subinterface description 41 atm atm1483 mtu 24 atm atm1483 profile 636 atm atm1483 shutdown 24 atm atm1483 snmp trap link status 24 atm at...

Page 743: ...entrator 392 one DSLAM connected to an access concentrator 392 usage of the IWF PPPoE tag in identifying IWF sessions 383 B RAS applications with PPP sessions 261 B RAS device operation for interworked PPPoA sessions 382 interworked PPPoE over ATM sessions 382 bandwidth SONET SDH 359 base profiles VLAN subinterfaces 655 baseline commands baseline atm 66 baseline atm vp interface 66 baseline bridge...

Page 744: ...w 465 platform considerations 470 prerequisites 471 references 471 setting statistics baselines 487 subscriber policies 468 unsupported features 470 broadcast command 478 bulk configuration of VC ranges 627 assigning VC classes 63 626 627 oversubscription 515 621 restarting LCP negotiations for PPPoA clients 631 with CAC 7 627 bulk configuration of VLAN ranges 657 bundle MLFR 131 MLPPP 299 C C VLA...

Page 745: ...ces 362 clock source selecting ATM interfaces 27 POS interfaces 362 COCX F3 line modules MLPPP features 304 cOCx STMx interfaces end to end fragmentation and reassembly 116 MLPPP features 304 cold router restart preservation of settings for enabling and disabling remote loopback 242 concurrent routing and bridging See CRB configuration examples ATM 1483 subinterfaces dynamic 633 ATM VC classes 56 ...

Page 746: ...n interface ATM 1483 subinterfaces exporting 41 ATM interfaces 40 ATM virtual paths 41 Frame Relay interfaces 108 POS interfaces 114 364 sending to AAA 41 serial interfaces 114 DHCP option 82 field 658 DHCP relay with bridged IP 438 digital subscriber line access multiplexers See DSLAMs discovery process See OAM discovery Discovery protocol with PPPoE 372 DLCI data link connection identifier 108 1...

Page 747: ...riteria used in determining for IWF PPPoE sessions 523 for IWF PPPoE sessions guidelines for configuring 524 sameasthebehaviorfornon IWFsessions scenario 524 sample configuration scenario 525 single DSLAM connected to a B RAS device 525 with DSL Forum VSAs not present in PADR 524 for PPPoE clients 544 clearing lockout condition 547 configuring 544 differences from PPPoE over static ATM 544 monitor...

Page 748: ...commands enable 614 enabling LMI 108 enabling Multiclass MLPPP 349 encapsulation commands encapsulation 48 56 encapsulation bridge1483 440 447 454 encapsulation frame relay ietf 108 116 362 encapsulation hdlc 505 encapsulation mlframe relay ietf 136 encapsulation mlppp 312 323 encapsulation ppp 176 180 271 362 387 447 454 encapsulation pppoe 387 406 encapsulation vlan 183 454 666 679 encapsulation...

Page 749: ...ration of 802 3ah below the LAG sublayer 236 IP interfaces example 205 MPLS 202 207 MPLS over VLAN 207 overview 197 PPPoE subinterfaces 202 example 205 VLAN subinterfaces 202 example 206 Ethernet link aggregation commands interface lag 202 lacp 202 lacp port priority 202 member interface 202 minimum links 202 pppoe subinterface lag 205 Ethernet link redundancy configuration models 208 configuring ...

Page 750: ...figuring settings 238 references for 226 remote loopback start and stop settings not stored across reboots 242 setting the local entity into loopback mode 242 slow protocols destination address of OAM PDUs and 226 specifying action on exceeding high threshold disabling interface 241 action on exceeding high threshold failover 241 detection of remote failure conditions 242 high threshold for frame ...

Page 751: ...d 232 receive link path monitoring and transmission to the remote peer 234 responding to received notices 235 supported TLVs for tracking link faults Errored Frame Event 232 Errored Frame Seconds Summary Event 232 Errored Symbol Period Event 232 transmission of multiple times owing to failure in delivery 233 viewing 248 example 207 examples configuration ATM 1483 subinterfaces dynamic 633 ATM VC c...

Page 752: ...ce dlci ietf 108 116 frame relay intf type 108 frame relay keepalive 108 frame relay lmi n391dte 108 frame relay lmi n392dce 108 frame relay lmi n392dte 108 frame relay lmi n393dce 108 frame relay lmi n393dte 108 frame relay lmi t391dte 108 frame relay lmi t392dce 108 frame relay lmi type 108 map class frame relay 116 See also show frame relay commands framing ATM interfaces 27 capabilities of E S...

Page 753: ...onfiguration of Spanning Tree 200 IEEE 802 3ad 197 IEEE 802 3ad Link Aggregation 200 IEEE 802 3ah OAM link fault management See Ethernet OAM link fault management ILMI 108 ILMI integrated local management interface about 7 enabling 27 keepalive timer 28 inarp command 52 58 individual unicast addressing 105 Information OAM PDUs bandwidth allocation for OAM traffic using the OAM sublayer capabilitie...

Page 754: ...rnet Protocol Control Protocol See IPCP interworking function See IWF Inverse ARP 51 IP addresses assigning to Cisco HDLC interfaces 506 assigning to Frame Relay subinterfaces 114 116 assigning to PPP interface 273 PPPoE interfaces 388 400 542 ip commands ip subscriber policies 478 ip access routes 566 ip address 114 116 157 273 388 400 447 454 506 542 566 ip auto configure ip subscriber 566 ip au...

Page 755: ... duplicate MAC addresses of clients ATM to Ethernet interworking 383 dependence on pppoe sessions command configuration 385 limit on maximum number of sessions 385 scenario multiple DSLAMs linked to a B RAS 392 scenario single DSLAM linked to a B RAS 392 IWF PPPoE tag insertion in the PADR packet sent from the PPPoE client to the access concentrator 383 used to distinguish between an IWF and a non...

Page 756: ...e local entity 227 when enabled on the local entity 227 link monitoring of Ethernet interfaces See OAM link monitoring link fault event clearing of interface transition to the up state 231 reestablishment of OAM association 231 generation of non receipt of OAM PDUs within the loss threshold 231 link fault management commands for Ethernet interfaces show ethernet oam 233 link fault management Ether...

Page 757: ...r IWF PPPoE sessions 523 macro command 593 macros using to configure dynamic interfaces 593 magic numbers 259 manuals comments on xxxi map class Frame Relay fragmentation 116 map entries Frame Relay 121 138 map list using to configure NBMA interfaces 38 map class frame relay command 116 map group command 39 map list command 39 Marker response OAM PDUs circumstances of non transmission of 237 link ...

Page 758: ...ged Ethernet 453 MRRU LCP configuration option 300 MRU maximum receive unit POS interfaces 364 PPP interfaces 259 276 mru command 364 MTU maximum transmission unit See MTU bridged Ethernet interfaces 459 Ethernet interfaces 202 POS interfaces 364 mtu command 364 Ethernet interfaces 202 multicast addressing 105 multicast command 478 Multiclass MLPPP configuration guidelines 345 configuring 348 enab...

Page 759: ... from the remote peer 228 oam commands oam ais rdi 49 56 oam cc 50 56 oam retry 51 56 oam pvc 50 56 OAM discovery automatic activation of 230 configuration at the interface level 231 controlling other OAM attributes for an entity 230 enabling on an interface 230 exceeding of PDU loss threshold link transition to the down state 232 first phase of OAM association 230 implementation of by the control...

Page 760: ...ted error events error frame 233 error frame seconds summary 233 error symbol period 233 supported frame errrors tracked alignmentError 232 frameCheckSequence 232 frameTooLong 232 lengthError runts 232 symbol errors counting on IOAs that do not support 233 threshold for frame symbol errors 232 using Event notification OAM PDUs 232 using the results of to configure LAG sublayer 236 viewing configur...

Page 761: ...it in Flags field higher preferential processing 234 OAM PDU loss threshold actions taken when exceeded link problem signalled 232 link transition to the down state 232 configuring 239 definition of action taken when configured value is exceeded 231 product of transmission rate and equals lost link timer 232 recommendation for setting for link fault monitoring 237 viewing configured value 250 OAM ...

Page 762: ...nge 642 removing from VLAN range or subrange 664 removing from VLAN subinterface 664 VLANs 664 oversubscription dynamic ATM interfaces 515 621 S VLANs 185 oversubscription of allotted bandwidth discarding of data traffic higher priority for OAM PDUs 236 with peer in loopback 236 P packet logging PPP and PPPoE 614 packet over SONET See POS packet parser classification of received frames and forward...

Page 763: ...2 Ethernet interfaces 169 Frame Relay 107 higher level protocols over Ethernet 152 MLFR 133 MLPPP 302 Multiclass MLPPP 347 OAM link fault management 225 POS 360 PPP 269 PPPoE 380 transparent bridging 470 point to multipoint NBMA connection 13 Point to Point Protocol over ATM See PPPoA Point to Point Protocol over Ethernet See PPPoE Point to Point Protocol See PPP policies subscriber See subscriber...

Page 764: ...ol over ATM terminating stale subscribers and restarting LCP negotiations 530 PPPoE 202 PPPoE Point to Point Protocol over Ethernet Active Discovery Initiation PADI packets 372 Active Discovery Message PADM 402 Active Discovery Network PADN messages 404 Active Discovery Offer PADO packets 372 Active Discovery Request PADR packets 372 Active Discovery Session PADS packets 372 413 agent circuit iden...

Page 765: ...poe commands PPPoE over S VLAN over bridged Ethernet 458 PPPoE over VLAN over bridged Ethernet 453 PPPoE service name tables action defined 372 configuring 405 creating and populating 405 enabling for dynamic interfaces 406 enabling for static interfaces 406 Ethernet configurations 406 overview 372 service name tag defined 372 PPPoE sessions with IWF Session DSL Forum VSA See IWF PPPoE sessions wi...

Page 766: ...l forum 1 keyword 377 418 ranges VC See VC ranges bulk configuration of ranges VLAN See VLAN ranges bulk configuration of RDI remote defect indication cells RDI remote defect indication cells 14 reassembly Frame Relay packets 116 MLPPP configuring dynamic 323 configuring static 321 overview 320 Multiclass MLPPP 348 351 reassigning profiles to dynamic interfaces 614 relearn command 478 remote circu...

Page 767: ...ing ATM cell payload 29 scripts using to configure dynamic interfaces 593 SDH Synchronous Digital Hierarchy 359 360 serial description command 114 serial interfaces configuring 114 116 273 428 506 Serial Line Address Resolution Protocol See SLARP service category configuring for PVCs 46 service name tables PPPoE See PPPoE service name tables SFPs small form factor pluggable transceivers 158 161 sh...

Page 768: ...o HDLC slow protocols bandwidth requirements 226 definition of rate of transmission of OAM PDUs 226 multicast address of and destination MAC address of remote entities 231 OAM messages and 226 SMs Service modules MLPPP features 304 SNAP subnetwork attachment point 167 SNMP Simple Network Management Protocol link status processing 115 snmp trap frame relay link status command 115 SONET Synchronous ...

Page 769: ...mmand output 233 enabling on IOAs that do not support and events generation for that link 233 monitoring of on IOAs that do not support 233 symbol period errors configuring high threshold 239 low threshold 239 window 239 effect of configuration on interfaces that do not support 241 exceeding threshold for configuring LAG for removal of member link 236 configuring LAG to rebalance bundle 236 recomm...

Page 770: ...3 overview 629 removing from VC range 646 shortening or expanding 646 creating static ATM interfaces in configuring 650 monitoring 683 overview 629 overriding profile assignments 629 641 oversubscription 515 621 vc class atm command 60 VCC virtual channel connection 5 VCD virtual circuit descriptor 387 440 VCI virtual channel identifier 5 387 441 vendor OUI TLV component of Information OAM PDU val...

Page 771: ...ding to VLAN range 673 changing administrative state 673 configuring 673 merging 673 monitoring 695 overview 660 removing from VLAN range 673 shortening or expanding 673 creating static VLAN interfaces in configuring 679 monitoring 695 VLANs virtual local area networks bridged Ethernet configurations 452 configuring 170 configuring dynamic subinterfaces for 653 configuring for dynamic IP 653 confi...

Page 772: ...Copyright 2010 Juniper Networks Inc 740 JunosE 11 2 x Link Layer Configuration Guide ...

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