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Chapter 1

Configuring Channelized T3 Interfaces

Use the procedures described in this chapter to configure channelized T3 (CT3)
interfaces on E-series routers.

This chapter contains the following sections:

■

Overview on page 3

■

Platform Considerations on page 5

■

References on page 9

■

Before You Configure an Interface on page 9

■

Configuration Tasks on page 10

■

Configuration Example on page 23

■

Testing Interfaces on page 23

■

Monitoring Interfaces on page 29

Overview

Channelized T3 interfaces are supported by the modules described in this chapter.
Configuration procedures for all channelized T3 physical interfaces are identical;
however, the capabilities of the modules differ. Each port on a CT3 module offers a
total bidirectional rate of 43.008 Mbps.

This section describes the features of channelized T3 interfaces. For information
about configuring channelized T3 interfaces over SONET/SDH, see “Configuring
Channelized OCx/STMx Interfaces” on page 109.

MDL/FDL Support

Channelized T3 interfaces on some line modules support maintenance data link
(MDL) messages at the T3 level and facilities data link (FDL) messages at the T1 level.
For a list of the line modules that support MDL and FDL, see

ERX Module Guide

,

Appendix A

,

Module Protocol Support

.

You can use MDL and FDL messages to determine the status of a link and to display
statistics for the remote end of a connection. MDL and FDL messages do not interfere
with other data transmitted over the link.

Overview

■

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Содержание JUNOSE 10.0.X PHYSICAL LAYER

Страница 1: ...series Routing Platforms Physical Layer Configuration Guide Release 10 0 x Juniper Networks Inc 1194 North Mathilda Avenue Sunnyvale California 94089 USA 408 745 2000 www juniper net Part Number 162...

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Страница 6: ...vi...

Страница 7: ...ter 2 Configuring T3 and E3 Interfaces 45 Chapter 3 Configuring Unchannelized OCx STMx Interfaces 73 Chapter 4 Configuring Channelized OCx STMx Interfaces 109 Chapter 5 Configuring Ethernet Interfaces...

Страница 8: ...viii JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 9: ...xv Part 1 Chapters Chapter 1 Configuring Channelized T3 Interfaces 3 Overview 3 MDL FDL Support 3 MDL Standards 4 FDL Standards 4 Timeout of Received MDL and FDL Messages 4 Frequency of FDL Path Messa...

Страница 10: ...latform Considerations 47 COCX F3 Line Modules and Associated I O Modules 47 OCx STMx DS3 ATM Line Modules and 4xDs3 ATM I O Modules 48 CT3 T3 F0 Line Modules and CT3 T3 12 I O Modules 48 Interface St...

Страница 11: ...the ERX 310 Router 82 E120 Router and E320 Router 83 Interface Specifier 83 Exchanging Modules 84 References 84 Configuration Tasks 84 Configuring the SONET SDH Layers 85 Configuring APS MSP 89 Confi...

Страница 12: ...Configuration Tasks 130 Configuring T3 Line Parameters 131 Configuring T3 Interfaces to Send MDL Messages 133 Configuring T1 Channels on T3 Interfaces 134 Configuring T1 Channels to Send FDL Messages...

Страница 13: ...rnet 182 OC3 2 GE APS I O Module 182 ES2 S1 GE 4 IOA 182 ES2 S1 GE 8 IOA 183 ES2 4G LM Combination 183 ES2 10G LM Combination 186 ES2 S3 GE 20 IOA 187 ES2 10G LM Combination 187 Bandwidth and Line Rat...

Страница 14: ...nnel Server Ports 216 Redundancy and Interface Distribution of Tunnel Service Interfaces 217 SMs ES2 S1 Service IOA and Shared Tunnel Server Modules 217 Static IP Tunnel Service Interfaces 217 Dynamic...

Страница 15: ...TM Interfaces 78 Figure 6 Interface Stack for OCx STMx POS and OC48 STM16 Interfaces 79 Figure 7 Interface Stack for OCx STMx POS Interfaces 81 Figure 8 Stack for cOCx STMx Interfaces 113 Figure 9 SON...

Страница 16: ...xvi List of Figures JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 17: ...rollers 115 Table 14 Identifiers for T3 Controllers 116 Table 15 Average Data Rate for ERX 310 Router or in Slots 2 or 4 of an ERX 1440 Router 181 Table 16 Average Data Rate When Installed in All Othe...

Страница 18: ...xviii List of Tables JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 19: ...juniper net techpubs index html If the information in the latest JUNOSe Release Notes differs from the information in the documentation follow the JUNOSe Release Notes To obtain the most current versi...

Страница 20: ...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...

Страница 21: ...ng the E120 routers and E320 routers operational including information about Installing the chassis and modules Connecting cables Powering up the routers Configuring the routers for management access...

Страница 22: ...that are end of life EOL and can no longer be ordered for the following routers ERX 7xx models ERX 14xx models ERX 310 router ERX End of Life Module Guide JUNOSe Software Guides Provides information a...

Страница 23: ...Multicast Listener Discovery MLD JUNOSe Multicast Routing Configuration Guide Explains how to configure and monitor Border Gateway Protocol BGP routing Multiprotocol Label Switching MPLS and related a...

Страница 24: ...ere introduced or added Use with the JUNOSe configuration guides JUNOSe Command Reference Guide A to M JUNOSe Command Reference Guide N to Z Provides definitions for terms used in JUNOSe technical doc...

Страница 25: ...port downloads 710059 pdf Product warranties For product warranty information visit http www juniper net support warranty JTAC Hours of Operation The JTAC centers have resources available 24 hours a d...

Страница 26: ...case with JTAC on the Web or by telephone Use the Case Management tool in the CSC at http www juniper net cm Call 1 888 314 JTAC 1 888 314 5822 toll free in the USA Canada and Mexico For international...

Страница 27: ...uring T3 and E3 Interfaces on page 45 Configuring Unchannelized OCx STMx Interfaces on page 73 Configuring Channelized OCx STMx Interfaces on page 109 Configuring Ethernet Interfaces on page 175 Manag...

Страница 28: ...2 Chapters JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 29: ...er the capabilities of the modules differ Each port on a CT3 module offers a total bidirectional rate of 43 008 Mbps This section describes the features of channelized T3 interfaces For information ab...

Страница 30: ...89 FDL messages that comply with the AT T standard identify a particular link by sharing performance data and do not use common codes for data such as the equipment identifier line identifier frame id...

Страница 31: ...s the local copy of the eic message string For message strings that are unique to a particular message type the line module must receive another message of the same type containing this string in orde...

Страница 32: ...g unchannelized T3 ports see Configuring Channelized T3 Interfaces on page 3 ERX 14xx models support up to 12 CT3 T3 F0 line modules and 12 CT3 T3 12 I O modules ERX 7xx models support up to 5 CT3 T3...

Страница 33: ...de Numbering Scheme This section describes how to identify each layer in a channelized T3 interface stack T3 Controllers A T3 controller on a channelized T3 interface is identified using the slot port...

Страница 34: ...to a T1 channel and subchannel A subchannel is group of timeslots Subchannel numbers range from 1 24 and do not necessarily correspond to DS0 timeslots The subchannel number identifies a fractional T1...

Страница 35: ...07a 1990 Standard for Telecommunications Digital Hierarchy Supplement to Formats Specification August 1990 ANSI T1 403 1989 Standard for Telecommunications Network and Customer Installation Interfaces...

Страница 36: ...eck CRC type idle character maximum transmission unit MTU and maximum receive unit MRU Configuration Tasks To configure a channelized T3 interface 1 Configure a T3 controller 2 Optional Configure MDL...

Страница 37: ...d MDL messages 1 Specify a T3 interface host1 config controller t3 8 0 2 Optional Configure the interface to operate in an MDL carrier environment host1 config controll mdl carrier 3 Specify the MDL m...

Страница 38: ...eyword path id to transmit path identifications every second Specify the keyword idle signal to send idle signals every second Specify the keyword test signal to transmit test signals every second Exa...

Страница 39: ...line Specify the keyword line to use a transmit clock recovered from the line s receive data stream Specify the keywords internal module to use the line module s internal clock as the transmit clock...

Страница 40: ...ls To configure T1 channels and subchannels 1 From Global Configuration mode specify the T3 controller in slot 0 port 1 host1 config controller t3 0 1 2 Assign a range of timeslots to a channel and su...

Страница 41: ...using the line module or the chassis as the internal clock You must specify one of the following for internal clocking module Specifies internal clock is from the line module itself chassis Specifies...

Страница 42: ...t1 shutdown Use to disable T1 channels or a subchannel To disable channels or a subchannel specify one or more T1 channels or a subchannel in channel or channel subchannel format channel One or more...

Страница 43: ...hannel The default line speed is 64 Kbps Use the no version to delete the fractional T1 circuit See t1 timeslots Configuring FDL Messages To configure T1 channels to send FDL messages 1 Specify a T3 i...

Страница 44: ...ansi to support the ANSI FDL standard see References on page 9 Specify the keyword att to support the AT T FDL standard see References on page 9 Specify the keyword all to support both the ANSI and AT...

Страница 45: ...e issued the t1 fdl command with the ansi or all keyword If you specified the att keyword with the t1 fdl command the router sends only performance data Specify the keyword path id to transmit path id...

Страница 46: ...when you configure an HDLC channel on a channelized T3 interface Configure the CRC Specify the HDLC idle character Enable data inversion on the interface Set the time interval for monitoring bit and...

Страница 47: ...e in the slot port channel subchannel format slot Number of the slot in which the line module resides in the chassis port Number of the port on the I O module channel T1 channel subchannel Subchannel...

Страница 48: ...your network Example host1 config if mru 1600 Use the no version to restore the default 1600 bytes See mru mtu Use to configure the MTU size for the interface Specify a value in the range 4 9996 bytes...

Страница 49: ...ack local host1 config controll t1 2 1 timeslots 1 3 8 10 host1 config controll exit host1 config interface serial 0 1 2 1 host1 config if invert data host1 config controll exit Testing Interfaces If...

Страница 50: ...host1 config controll equipment customer loopback Issue the equipment network loopback command to disable the ability to enter into loopback initiated by a remote device host1 config controll equipme...

Страница 51: ...ables the router to enter into loopback when it receives an appropriate signal from the remote interface network Disables the router s ability to enter into loopback when it receives an appropriate si...

Страница 52: ...f specifications For example host1 config controll t1 3 6 15 22 25 27 loopback local To enable testing at the T1 layer 1 Configure one of the following loopback tests Set the loopback to local to test...

Страница 53: ...ly you are using Specify the duration of the test in the range 1 1440 minutes Optionally specify the unframed keyword to overwrite the framing bits Example host1 config controll t1 2 bert pattern 2 11...

Страница 54: ...ds a repeating 16 bit ESF data link code word 00010100 11111111 to the remote end requesting that it enter into a network payload loopback Enables the remote payload facilities data link FDL ANSI bit...

Страница 55: ...with the baseline subtracted Displaying Counters and Time Intervals Counters and time intervals are MIB statistics which are defined in the following specifications RFC 2495 Definitions of Managed Ob...

Страница 56: ...ine interface serial 2 0 1 1 There is no no version See baseline interface show controllers t1 show controllers t3 Use to display data and MIB statistics for a T3 interface or a T1 channel Use the bri...

Страница 57: ...code format clock source Type of clock source cable length Cable length in feet Loopback State of loopback for the controller enabled or disabled If loopback is enabled one of the following states is...

Страница 58: ...of severely errored seconds encountered by a T3 in the current interval Severely errored frame seconds Number of severely errored framing seconds encountered by a T3 in the current interval Unavailabl...

Страница 59: ...ly errored frame seconds 0 Unavailable seconds 0 Line code violations 0 P bit coding violations 0 Line errored seconds 0 C bit coding violations 0 C bit errored seconds 0 C bit severely errored second...

Страница 60: ...the interface stack is not functioning ifOperNotPresent Module has been removed from the chassis ifOperTesting Interface is being tested ifOperUp Interface is functioning Yellow Alarm detection Statu...

Страница 61: ...e module was last powered on or reset Time elapse in current interval Statistics are reported in 15 minute intervals Errored seconds Number of errored seconds encountered by a T1 in the current interv...

Страница 62: ...e null string Frame Identification Code is the null string Unit Identification Code is the null string Facility Identification Code is the null string Port Code is the null string Generator Number is...

Страница 63: ...1 minute s Complete Sync count 1 Received bit count 92148912 Error bit count 17 Number of valid interval 90 Time elapse in current interval 580 Ds1 Current Interval Counters Errored seconds 0 Severel...

Страница 64: ...t parameters display information about a specific slot and port Example host1 show controllers t3 ft1 Ft1 Interface at 2 0 1 1 Description toronto ft1 interface ifOperStatus ifOperLowerLayerDown snmp...

Страница 65: ...onds that have passed in the 15 minute 900 second interval C bit errored seconds Number of C bit errored seconds encountered by a T3 in the current interval C bit severely errored seconds Number of C...

Страница 66: ...mber of seconds that have passed in the 15 minute 900 second interval Far End FDL Carrier bit Status of FDL configuration on remote device connected to T1 channel set FDL is configured for carrier mod...

Страница 67: ...ost1 show controllers t1 10 1 1 remote DS1 10 1 1 Number of valid interval 0 Time elapse in current interval 0 Far End FDL Carrier bit is not set Far End Equipment Identification Code is the null stri...

Страница 68: ...U Hdlc mtu Current size of the maximum transmission unit MTU Hdlc interface speed Current line speed of the interface Ds0 time slot map T1 subchannel Invert data disabled Status of the data inversion...

Страница 69: ...been removed from the chassis ifOperDown Interface is not functioning ifOperLowerDown Lower layer in the interface stack is not functioning snmp trap link status Enabled or disabled Encapsulation Laye...

Страница 70: ...terfaces serial 0 1 2 brief Serial Interface at 0 1 2 Description ottawa012 hdlc channel ifOperStatus ifOperUp snmp trap link status disabled Encapsulation hdlc Crc type checking CRC16 Hdlc mru 1600 H...

Страница 71: ...on modules that provide ATM support are called T3 E3 ATM interfaces Similarly interfaces on modules that provide frame HDLC support are called T3 E3 frame interfaces This section describes the feature...

Страница 72: ...ith a a the types of messages in which it can be sent Table 6 MDL Message Strings and Message Types Test Signal Message Idle Signal Message Path Message Description Message String Equipment identifica...

Страница 73: ...formation about the modules that support unchannelized T3 E3 interfaces on ERX 7xx models ERX 14xx models and the ERX 310 router See ERX Module Guide Table 1 Module Combinations for detailed module sp...

Страница 74: ...face support for each PPP or Frame Relay PVC interface Line speeds of 45 Mbps CT3 T3 F0 Line Modules and CT3 T3 12 I O Modules ERX 7xx models ERX 14xx models and the ERX 310 router support the CT3 T3...

Страница 75: ...Data Link Control HDLC data channel on the controller Figure 3 Stack for T3 ATM Interfaces Figure 4 Stack for T3 Frame and E3 Frame Interfaces NOTE For a detailed description of interface types and sp...

Страница 76: ...r ATM Adaptation Layer 5 September 1999 ANSI T1 107a 1990 Standard for Telecommunications Digital Hierarchy Supplement to Formats Specification August 1990 For more information about bit error test BE...

Страница 77: ...ith the controller e3 command instead of the controller t3 command Configuring a T3 or an E3 Controller To configure a T3 or an E3 controller 1 Select the T3 or E3 controller from Global Configuration...

Страница 78: ...3 shutdown Use to disable a T3 or an E3 controller The T3 or E3 interface is disabled by default Example host1 config controll shutdown Use the no version to restart a disabled interface See shutdown...

Страница 79: ...ation in which the interface does not operate in the carrier environment See mdl carrier mdl string Use to specify an MDL message Example host1 config controll mdl string port 0800 Use the no version...

Страница 80: ...225 feet specify any number greater than 225 and less than 451 Example host1 config controll cablelength 300 Use the no version to restore the default 0 feet See cablelength clock source Use to confi...

Страница 81: ...to turn off cell scrambling on the interface See ds3 scramble e3 scramble Use to enable cell scrambling in an E3 ATM interface Example host1 config controll e3 scramble Use the no version to turn off...

Страница 82: ...sue the dsu mode and scramble commands Otherwise the interface might drop packets unexpectedly The router offers a set of speeds in increments that depend on the DSU mode you specify The actual speed...

Страница 83: ...Otherwise the interface might drop packets unexpectedly See scramble Configuring an HDLC Channel You must configure an HDLC channel for each T3 frame or E3 frame controller To configure an HDLC channe...

Страница 84: ...er is sent between HDLC packets Specify one of the following idle characters flags Sets the idle character to 0x7E marks Sets the idle character to 0xFF Example host1 config if idle character marks Us...

Страница 85: ...the other end of the line If you set this parameter to a different value for another protocol such as IP the router uses the lower value This could produce unexpected behavior in your network Example...

Страница 86: ...host1 config controller t3 0 1 host1 config controll no shutdwon host1 config controll framing c bit host1 config controll clock source internal module host1 config controll cablelength 220 host1 exi...

Страница 87: ...BERT Patterns The router can send BERT patterns from different layers in the interface stack on frame based T3 interfaces For a list of the modules that support bit error rate tests see ERX Module Gui...

Страница 88: ...lock source and loopback commands from Controller Configuration mode 1 Change the clock source to internal host1 config controll clock source internal module 2 Specify a loopback host1 config controll...

Страница 89: ...loopback Use to enable or disable the router s ability to enter into a loopback initiated by a remote device connected on a T3 interface NOTE Remote loopback is available only on frame based T3 interf...

Страница 90: ...opback See loopback Monitoring Interfaces From User Exec mode use the following show commands to monitor and display the T3 or E3 interface information host1 show controllers t3 0 1 host1 show control...

Страница 91: ...istics are retrieved Use the optional delta keyword with the show interfaces serial commands to view the baseline statistics Example host1 baseline interface serial 2 0 There is no no version See base...

Страница 92: ...ength in feet this field is not present for E3 controllers Loopback State of loopback for the controller enabled or disabled If loopback is enabled one of the following states is displayed Diagnostic...

Страница 93: ...g data pattern Received bit count Number of bits received Error bit count Number of bits with errors Number of valid intervals Number of 15 minute intervals since the T3 or E3 module was last powered...

Страница 94: ...3 controllers C bit errored seconds Number of C bit errored seconds encountered by a T3 not applicable for E3 in the current interval this field is not present for E3 controllers C bit severely errore...

Страница 95: ...r Total Counters P bit errored seconds 0 P bit severely errored seconds 0 Severely errored frame seconds 0 Unavailable seconds 0 Line code violations 0 P bit coding violations 0 Line errored seconds 0...

Страница 96: ...y remote device for MDL Far End Frame Identification Code fic string sent by remote device for MDL Far End Unit Identification Code unit string sent by remote device for MDL Far End Facility Identific...

Страница 97: ...n Code is the null string Far End Generator Number is the null string Far End Port Number is the null string Number of valid interval 3 Time elapse in current interval 756 Ds3 Current Interval Counter...

Страница 98: ...72 Monitoring Interfaces JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 99: ...faces APS and MSP E series routers support Automatic Protection Switching APS and Multiplex Section Protection MSP on selected I O modules that provide SONET SDH connections This feature provides a re...

Страница 100: ...module to form a valid linear APS 1 1 group For example on an I O module that provides four working primary ports and four protect redundant ports the working interface ports are numbered 0 3 and the...

Страница 101: ...ce or to the protect interface when that end determines that a switch is required Possible reasons for initiating a unidirectional switch are the same as those described in Bidirectional Switching Mod...

Страница 102: ...used 0111 Manual switch 1000 Not used 1001 Low priority signal degradation 1010 High priority signal degradation 1011 Low priority signal failure 1100 High priority signal failure 1101 Forced switch 1...

Страница 103: ...level protocols that the interfaces described in this chapter support Platform Considerations You can configure unchannelized SONET SDH interfaces on the following E series routers E120 router E320 r...

Страница 104: ...s that support single mode intermediate reach or long haul or multimode operation through SC full duplex connectors are available I O modules that support SONET Automatic Protect Switching APS 1 1 red...

Страница 105: ...ot it spans slots 2 3 and 4 5 The bandwidth of slot 3 or slot 5 is used for a line module in slot 2 or slot 4 if that line module requires the turbo slot NOTE If a line module is installed in slot 3 o...

Страница 106: ...ace or 10 Gigabit Ethernet interface see Configuring Ethernet Interfaces on page 175 For more information about configuring a tunnel service interface by using the Tunnel Server IOA see Managing Tunne...

Страница 107: ...4G LM pairs with the ES2 S1 OC12 2 STM4 POS IOA to deliver unchannelized OC12 STM4 POS operation through two line interfaces You can install the ES2 S1 OC12 2 STM4 POS IOA in both IOA bays The ES2 4G...

Страница 108: ...O modules redundant ports are labeled with a port number followed by the letter R For example port 3R is the redundant port for the primary port labeled 3 However on some two port modules the primary...

Страница 109: ...n about installing line modules and IOAs in the E120 and E320 routers see E120 and E320 Hardware Guide Chapter 4 Installing Modules Interface Specifier The configuration examples in this chapter use t...

Страница 110: ...chy SDH Multiplexing Equipment Functional Blocks Annex A Multiplex Section Protection MSP Protocol Commands And Operation 1990 Definitions of Managed Objects for SONET Linear APS Architectures draft i...

Страница 111: ...faces Specify the time that the router waits to set an alarm when the router records a defect at the path layer 10 MPLS fast reroute over SONET SDH interfaces Specify the time that the router waits to...

Страница 112: ...interface on ERX 14xx models ERX 7xx models or the ERX 310 router host1 config controller sonet 4 0 Example 2 Selects an SONET interface on the E320 router host1 config controller sonet 3 0 0 There i...

Страница 113: ...the remote device might send an unexpected value and the router might lose data Do not specify a path identifier for unchannelized SONET SDH interfaces Example host1 config controll path overhead c2 2...

Страница 114: ...to set an alarm when the router records a defect at the path layer Change this value from the default only when you are using MPLS fast reroute over a SONET SDH interface Specify a value of 0 millisec...

Страница 115: ...section layer Change this value from the default only when you are using MPLS fast reroute over a SONET SDH interface Specify a value of 0 milliseconds if the interface does not use APS MSP or if you...

Страница 116: ...1 config controll aps working aps group Use to specify the group to which the working and protect interfaces will belong Specify the name of the APS group Example host1 config controll aps group bosto...

Страница 117: ...no version to restore the default 5 for sd ber or 3 for sf ber for the specified alarm See threshold Configuring the Protect Interface To configure the protect interface 1 Select the interface host1...

Страница 118: ...the protect interface is always assigned channel number 0 this is the only valid option The resulting configuration is stored in NVS for SRP module or line module reloads and SNMP Examples host1 confi...

Страница 119: ...chanism You can issue this command only for the protect interface not for the working interface Example host1 config controller aps unidirectional Use the no version to restore the default setting bid...

Страница 120: ...tore the default 5 for sd ber or 3 for sf ber for the specified alarm See threshold Configuration Example The following example shows how to configure working and protect interfaces for APS MSP 1 Conf...

Страница 121: ...mand overrides any switchover settings you configured on the protect interface the aps manual command does not override those settings aps force Use to switch from the working interface to the assigne...

Страница 122: ...king interface to the protect interface Examples host1 config controll aps manual 0 host1 config controll aps manual 1 Use the no version to revert to the original working interface See aps manual Tes...

Страница 123: ...vice versa Otherwise you see the following error message Cannot set port mode path trace message is set path overhead j1 Use to define messages that the router sends to or expects to receive from a SO...

Страница 124: ...his baseline whenever baseline relative statistics are retrieved Use the total delta keywords with the show controllers sonet line command to view the baseline statistics Example 1 Sets a baseline for...

Страница 125: ...e for SONET section layer interfaces on the E320 router host1 baseline section interface sonet 3 0 0 There is no no version See baseline section interface sonet show controllers sonet Use to display t...

Страница 126: ...patterns found in several consecutive frames in line layer Received SONET overhead Section and line overhead bytes present in the receive side of the interface at any particular time Transmitted SONET...

Страница 127: ...change 07 33 12 Loopback State none Mode sonet Timing source line Receive FIFO Overruns 0 Framer stats 0 0 Current section defects none Current line defects AIS Received SONET overhead F1 n a J0 n a...

Страница 128: ...er of errored seconds encountered by a T1 or an E1 in an interval SES Number of severely errored seconds encountered in an interval UAS Number of unavailable seconds encountered in an interval SEFS Nu...

Страница 129: ...ntervals 31 Time elapsed in current interval 141 Current status LowerLayerDefect Current Path Interval Counters Seconds Counts State ES 0 SES 0 UAS 141 RDI 141 0 Active AIS 141 0 Active LOP 0 0 OK UNE...

Страница 130: ...State ES 0 SES 0 UAS 113 RDI 0 0 OK AIS 113 0 Active BERR SF 0 0 OK BERR SD 0 0 OK BIP B2 Code Violation 0 0 Last Line Interval Counters Seconds Counts ES 0 SES 0 UAS 900 RDI 0 0 AIS 900 0 BERR SF 0 0...

Страница 131: ...on 0 0 Last Section Interval Counters Seconds Counts ES 0 SES 0 SEFS 0 LOS 0 0 LOF 0 0 BIP B1 Code Violation 0 0 Total Section Counters Seconds Counts ES 1 SES 1 SEFS 0 LOS 0 0 LOF 0 0 BIP B1 Code Vio...

Страница 132: ...ly active Selected Interface is active Selected Interface is not active Bidirectional Router switches to the protect interface using the bidirectional switching mechanism Unidirectional Router switche...

Страница 133: ...n page 76 and Table 9 on page 76 Counters Statistics for APS group ModeMismatch Number of differences detected in the local and remote switching mechanisms unidirectional or bidirectional modes ChanMi...

Страница 134: ...LastSwitchover Length of time that the working interface was active when the router last switched from the working interface to the protect interface a value of Not Applicable indicates that no switc...

Страница 135: ...described in this chapter This section describes the features of cOCx STMx interfaces SONET APS and SDH MSP The router supports Automatic Protection Switching APS and Multiplex Section Protection MSP...

Страница 136: ...by sharing common codes for data such as the equipment identifier line identifier frame identifier and unit AT T Technical Reference 54016 Requirements for Interfacing Digital Terminal Equipment to S...

Страница 137: ...gnal or idle signal message containing an eic string the line module erases the local copy of the eic message string For message strings that are unique to a particular message type the line module mu...

Страница 138: ...to support channelized T3 DS3 T1 E1 FT1 and FE1 signaling Each connection is made through standard SC connectors The cOCx STMx line module supports the following 3 unchannelized channelized DS3s per O...

Страница 139: ...sports the actual network services such as T1s and T3s between SONET SDH multiplexing devices and provides end to end transmission When you configure a cOCx STMx interface be sure you understand its p...

Страница 140: ...VT groups Similarly for SDH an STM 0 frame can be divided into seven tributary units TUs Each group or unit contains a number of virtual tributaries that number depends on the VT type or TU name Table...

Страница 141: ...umber channelNumber Unframed E1 NOTE The router automatically assigns the channel number one to an unframed E1 line 10 1 2 2 1 pathChannel pathPayload tributaryGroup tributaryNumber channelGroup Fract...

Страница 142: ...l T1 To configure fractional T1 over T3 on cOCx STMx interfaces you assign timeslots also known as subchannels to the T1 channel Each T1 channel supports 24 T1 timeslots For any configuration you must...

Страница 143: ...r half of the numbered interfaces whereas the port numbers for the protect redundant interfaces are assigned the upper half of the numbered interfaces For example on an I O module that provides one pr...

Страница 144: ...ircuits November 1993 ANSI T1 404 1994 Standard for Telecommunications Network to Customer DS3 Metallic Interface Specification 1994 For more information about MDL FDL support on cOCx STMx interfaces...

Страница 145: ...status information for the path layer of the interface 9 Optional Configure the router to use remote defect indications RDIs at the path layer to determine the operational status of a path 10 MPLS fa...

Страница 146: ...ome ports on the I O module to use the router s clock and others to use the module s clock To change the clock source of the ports on a cOC3 STM1 I O module from the router s clock to the module s clo...

Страница 147: ...can use this command to help you identify the interface and keep track of interface connections The description or alias can be a maximum of 64 characters Example host1 config controll path 2 descript...

Страница 148: ...e the no version to disable SNMP link status processing See path snmp trap link status path trigger alarm prdi Use to configure the router to use remote defect indications RDIs at the path layer to de...

Страница 149: ...or the section and line layers of the interface The default is enabled Example host1 config controll no snmp trap link status Use the no version to disable SNMP link status processing See snmp trap li...

Страница 150: ...e 125 A T1 or an E1 line See Configuring T1 and E1 Lines on page 125 For detailed examples see Configuration Examples on page 141 path ds1 e1 Use to create and configure SONET tributaries SDH tributar...

Страница 151: ...eps 1 Configure the clock source You must coordinate this setting with the other end of the line to establish which end is the transmit internal clock and which is the receive line clock 2 Optional Co...

Страница 152: ...is disabled Example host1 config controll path 2 ds1 1 1 1 channel group 2 snmp trap link status Use the no version to disable SNMP link status processing for a T1 or an E1 channel group See path ds1...

Страница 153: ...module s clock To change the clock source of the interfaces on a cOC3 STM1 I O module from the router s clock to the module s clock or vice versa first change the clock source of all ports to the line...

Страница 154: ...th 2 ds1 1 1 1 fdl carrier 4 Optional Specify the FDL messages host1 config controll path 2 ds1 1 1 1 fdl string eic ERX 1410 host1 config controll path 2 ds1 1 1 1 fdl string lic Bldg 10 host1 config...

Страница 155: ...ds1 fdl transmit command Example host1 config controll path 2 ds1 1 1 1 fdl string eic ERX 1440 Use the no version to restore the default value to the specified FDL message or to all FDL messages See...

Страница 156: ...ayers You must configure HDLC over the top layer of the T1 E1 interface See HDLC Channel Configuration Tasks on page 139 T3 Configuration Tasks Before you configure T3 on an interface you must configu...

Страница 157: ...ternal module to use the line module s internal clock Specify the keywords internal chassis to use the router s clock You can usually accept the default option line to use a transmit clock recovered f...

Страница 158: ...ription path ds3 framing Use to configure the framing format for a T3 interface Specify c bit parity framing or m23 multiplexer framing Example host1 config controll path 12 ds3 1 framing m23 Use the...

Страница 159: ...s3 1 mdl string lic Bldg 2 host1 config controll path 12 ds3 1 mdl string pfi Site 1 host1 config controll path 12 ds3 1 mdl string port 0800 host1 config controll path 12 ds3 1 mdl string unit 080001...

Страница 160: ...e T1 path 2 Configure the clock source You must coordinate this setting with the other end of the line to establish which end is the transmit internal clock and which is the receive line clock 3 Optio...

Страница 161: ...change the clock source of the ports on a cOC3 STM1 I O module from the router s clock to the module s clock or vice versa change the clock source of all ports first to the line setting and then to t...

Страница 162: ...1 shutdown path ds3 snmp trap link status Use to enable SNMP link status processing for T1 channels or a subchannel The default disables SNMP link status processing Examples host1 config controll path...

Страница 163: ...l path 2 ds3 1 t1 28 fdl string unit 080001 5 Enable transmission of FDL messages host1 config controll path 2 ds3 1 t1 28 fdl transmit idle signal path ds3 t1 fdl Use to specify the FDL standard for...

Страница 164: ...See path ds3 t1 fdl string path ds3 t1 fdl transmit Use to configure the router to send the specified type of FDL message By default the router sends only FDL performance data messages NOTE The route...

Страница 165: ...LC idle character Enable data inversion on the interface Set the MRU Set the MTU Assign a text description or an alias to the serial interface crc Use to configure the size of the CRC Specify the numb...

Страница 166: ...1 1 Example for unchannelized T3 interface host1 config interface serial 4 0 1 1 Example for T3 interface channelized to fractional T1 host1 config interface serial 4 0 1 1 10 22 Use the no version t...

Страница 167: ...e lower value The lower MTU might cause unexpected results in the network Example host1 config if mtu 1500 Use the no version to restore the default 1600 bytes See mtu serial description Use to assign...

Страница 168: ...on SONET path channel 2 host1 config controller path 2 ds1 1 2 2 vt15 host1 config controller path 2 ds1 1 7 4 vt15 4 Configure two fractional T1 lines on VT 1 2 2 in path 2 host1 config controller pa...

Страница 169: ...figuring Interfaces in SDH Mode The following example illustrates how to configure fractional E1 and unframed E1 lines in SDH mode as shown in Figure 12 on page 143 Figure 12 Configuring Fractional E1...

Страница 170: ...g controller path 30 e1 1 4 1 unframed Example 3 Configuring Frame Relay The following example illustrates how to configure Frame Relay on VT 1 7 4 in path 2 of the configuration shown in Figure 11 on...

Страница 171: ...ed in loopback by remote devices Connectivity tests to remote devices Sending BERT Patterns The router can send BERT patterns from different layers in the interface stack For a list of the modules tha...

Страница 172: ...2047 bits in length 2 15 Pseudorandom test pattern 32 767 bits in length 2 20 Pseudorandom test pattern 1 048 575 bits in length 2 20 QRSS Pseudorandom QRSS test pattern 1 048 575 bits in length 2 23...

Страница 173: ...results might occur if you use other loopback modes or clock sources When the router is synchronized with and receiving BERT patterns from a remote device the router records the number of bit errors a...

Страница 174: ...the T1 E1 framer and automatically set a local loopback at the HDLC controllers Specify the payload keyword to loop the payload data back toward the network at the T1 E1 framer and automatically set...

Страница 175: ...etwork at the T1 framer and automatically set a local loopback at the HDLC controllers Example host1 config controll path 12 ds3 2 t1 14 loopback network line Use the no version to clear the local loo...

Страница 176: ...ing to the Bellcore TR TSY 000312 specification payload fdl ansi T1 only Sends a repeating 16 bit ESF data link code word 00010100 11111111 to the remote end requesting that it enter into a network pa...

Страница 177: ...o version has the same effect as issuing the command with the network keyword See path ds3 equipment loopback path ds3 loopback remote Use to place a remote device connected at the T3 layer in loopbac...

Страница 178: ...he remote end See path ds3 t1 loopback path ds3 t1 remote loopback Use to enable the router to accept remote loopback requests from a remote device connected at the T1 over T3 layer Example host1 conf...

Страница 179: ...st1 config controller path 2 overhead j1 exp msg goodbye Use the no version to restore the default situation in which all the characters in the transmitted or expected message are zeros See path overh...

Страница 180: ...ements 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 Use the delta keyword w...

Страница 181: ...et section command to view the baseline statistics Example host1 baseline section interface sonet 2 0 There is no no version See baseline section interface sonet show controllers sonet configuration U...

Страница 182: ...r is not synchronized with remote device Sync count Number of times the pattern detector synchronized with the incoming data pattern Received bit count Number of bits received Error bit count Number o...

Страница 183: ...for T3 interfaces crc4 Cyclic redundancy check for E1 interfaces no crc4 No cyclic redundancy check for E1 interfaces esf Extended superframe for T1 interfaces sf Superframe for T1 interfaces Line Co...

Страница 184: ...nels oc1 minimum speed ifAdminStatus up description link1 snmp trap link status enabled alarms used for operational status calculation LOS LOF AIS RDI defect trigger soaking delay 2500 milliseconds Op...

Страница 185: ...w controllers sonet ds1 e1 Use to display E1 or T1 DS1 statistics for the different layers in channelized SONET and SDH interfaces Figure 8 on page 113 shows the layers in the interface For definition...

Страница 186: ...errored frame seconds Number of severely errored framing seconds encountered by a T1 or an E1 in the current interval Unavailable seconds Number of unavailable seconds encountered by a T1 or an E1 in...

Страница 187: ...r the different layers in channelized SONET and SDH interfaces Figure 8 on page 113 shows the layers in the interface For definitions of the MIB statistics see RFC 2496 Definitions of Managed Objects...

Страница 188: ...nds Number of severely errored seconds encountered by a T3 Severely errored frame seconds Number of severely errored framing seconds encountered by a T3 Unavailable seconds Number of unavailable secon...

Страница 189: ...1 on interface 2 0 host1 show controllers sonet 2 0 1 1 ds3 Ds3 1 Description ottawa2011 ds3 Number of valid interval 0 Time elapse in current interval 534 Current Interval Counters P bit errored sec...

Страница 190: ...l sessions specify the total keyword To view baselined statistics for all intervals specify the delta total keywords Field descriptions Current Interval Counters Statistics for the current 15 minute i...

Страница 191: ...Current status No Defect Errored seconds 68 Severly errored seconds 68 Severely errored framing seconds 2 Coding violations 4018 Total Section Counters Errored seconds 68 Severly errored seconds 68 S...

Страница 192: ...tatistics for the path layer on interface 2 1 host1 show controllers sonet 2 1 path Channel number 1 Current Path Interval Counters Current status No Defect Errored seconds 0 Severly errored seconds 0...

Страница 193: ...1 1 tributary Tributary 1 1 1 Current Tributary Interval Counters Errored seconds 0 Severly errored seconds 0 Coding violations 0 Unavailable seconds 0 Last Tributary Interval Counters Errored second...

Страница 194: ...te device for MDL Far End Generator Number generator string sent by remote device for MDL Far End Port Number port string sent by remote device for MDL Number of valid intervals Number of 15 minute in...

Страница 195: ...in the current interval Severely errored seconds Number of severely errored seconds encountered by a T1 in the current interval Severely errored frame seconds Number of severely errored framing second...

Страница 196: ...seconds 1 C bit coding violations 330 Unavailable seconds 0 Invalid seconds 0 Example 2 In this example a T1 channel on a T3 over channelized SONET interface is specified host1 show controllers sonet...

Страница 197: ...ode is the null string Far End Port Number is the null string Far End Generator Number is the null string DS1 Current Interval Counters Errored seconds 0 Severely errored second 0 Severely errored fra...

Страница 198: ...nvert data disabled Status of the data inversion feature Ds0 mode Nx56 or Nx64 5 minute input rate Data rates based on the traffic received in the last five minutes 5 minute output rate Data rates bas...

Страница 199: ...s sec 0 packets sec 5 minute output rate 0 bits sec 0 packets sec Interface statistics Packets received 100 Bytes received 1300 Errored packets received 1 Packets sent 100 Bytes send 1436 Errored pack...

Страница 200: ...174 Monitoring Interfaces JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 201: ...8 Gigabit Ethernet I O Modules and IOAs on page 179 10 Gigabit Ethernet IOAs on page 188 Ethernet References on page 192 High Density Ethernet on page 192 Managing Port Redundancy on Gigabit Ethernet...

Страница 202: ...with upper layer protocols For information see JUNOSe Link Layer Configuration Guide Layer 2 Tunneling Protocol L2TP For information see JUNOSe Link Layer Configuration Guide Multinetting For informa...

Страница 203: ...310 Router Use the slot port subinterface format to identify Ethernet interfaces and subinterfaces slot Number of the slot in which the line module resides in the chassis In ERX 7xx models line module...

Страница 204: ...dels ERX 14xx models and the ERX 310 router to specify an Ethernet interface The format is described in Numbering Scheme on page 177 For example the following command specifies a Fast Ethernet interfa...

Страница 205: ...ES2 S3 GE 20 IOA GE I O Module ERX 7xx models ERX 14xx models and the ERX 310 router all support the GE I O module You can pair any of the following types of GE I O modules with the GE FE line module...

Страница 206: ...0 and port 1 for a Gigabit Ethernet interface you cannot configure redundant ports 0R and 1R Cabling an active port and its corresponding redundant port that is port 0 and port 0R or port 1 and port...

Страница 207: ...Gbps per line module 1 Gbps maximum at the ingress and 1 Gbps maximum at the egress Therefore of the maximum 96 possible ports for the module in an ERX 1440 chassis that is eight ports in each of 12...

Страница 208: ...X 14xx models and the ERX 310 router all support the OC3 2 GE APS I O module The OC3 2 GE APS I O module pairs with the OC3 STM1 GE FE line module to provide Gigabit Ethernet operation through one lin...

Страница 209: ...bout installing IOAs see the E120 and E320 Hardware Guide The ES2 S1 GE 8 IOA has eight ports The IOA can use either fiber optic or copper SFPs The IOA accepts up to four pairs Tx Rx of LC style fiber...

Страница 210: ...e Data Rate per GE 8 IOA 128 Byte Packets Average Data Rate per ES2 4G LM Average Data Rate per GE 8 IOA 128 Byte Packets Port Combination 237 5 Mbps per port 237 5 Mbps per port 206 25 Mbps per port...

Страница 211: ...bps per port 100 Mbps per port Ports 0 and 1 387 5 Mbps per port Ports 0 7 Managing High Density Ethernet With a 100 Gbps fabric configuration the overall data rate for the ES2 4G LM with ES2 S1 GE 8...

Страница 212: ...10G LMs and ES2 S1 GE 8 IOAs You can install a combination in any of the line module slots each of which are allocated 10 Gbps of overall bandwidth Bandwidth and Line Rate Considerations Each ES2 S1 G...

Страница 213: ...ge 192 ES2 S3 GE 20 IOA The E120 router and the E320 router support the ES2 S3 GE 20 IOA Other E series routers do not support the ES2 S3 GE 20 IOA The ES2 S3 GE 20 IOA pairs with the ES2 10G LM to pr...

Страница 214: ...28 Byte Packets Port Combination 1 Gbps per port Any 10 ports 500 Mbps per port All 20 ports Managing High Density Ethernet When installed in an E120 router or an E320 router with any SRP module combi...

Страница 215: ...rate is limited with smaller frames Currently flow control using MAC pause frames is disabled on the ES2 S1 10GE IOA The IOA does not transmit or receive pause frames For more information about high...

Страница 216: ...ansmit full duplex line rate of 10 GB 10 GB at the ingress and 10 GB at the egress The IOA can also support 9 6 Kbps jumbo packets at both the ingress and egress Multicast The ES2 10G Uplink LM can re...

Страница 217: ...erall bandwidth With a 320 Gbps fabric configuration the E320 router can accommodate up to 12 combinations of ES2 10G LMs and ES2 S2 10GE PR IOAs You can install a combination in any of the line modul...

Страница 218: ...00 RFC 2668 Definitions of Managed Objects for IEEE 802 3 Medium Attachment Units MAUs August 1999 RFC 2665 Definitions of Managed Objects for the Ethernet like Interface Types August 1998 High Densit...

Страница 219: ...es as follows Specify the time that the router waits for a port on a GE I O module to become active before the router switches to the redundant port Force a GE I O module to switch operation from one...

Страница 220: ...o restore the default situation in which port redundancy is enabled See link selection Configuration Tasks for Ethernet This section describes the options for configuring Ethernet interfaces You confi...

Страница 221: ...Enable the debounce timer and set the time interval that the interface waits before reporting a state change to the upper layer protocols 8 Optional Modify the interval that the interface waits before...

Страница 222: ...setting of the debounce command persists after you reboot the router Example host1 config if debounce 3 Use the no version to restore the default behavior which disables debounce on the interface See...

Страница 223: ...the Fast Ethernet port on the SRP module The description is displayed in the output for show configuration show interfaces fastEthernet show interfaces gigabitEthernet and show interfaces tenGigabitEt...

Страница 224: ...ule you can configure only port 2 Ports 0 and 1 are reserved for OC3 STM1 ATM interfaces This I O module does not support redundant ports in the current release On the ES2 S1 GE 4 IOA you can configur...

Страница 225: ...do not reside in the validation table Use the loose keyword to enable IP packets to pass through even though the packets do not have entries in the validation table Only packets that have matching IP...

Страница 226: ...ernet port on the SRP module on all E series routers For more information see JUNOSe System Basics Configuration Guide NOTE If you set either the line speed or duplex mode to automatically negotiate b...

Страница 227: ...etting Statistics Baselines The router stores statistics in counters that reset only when you reboot However you can establish a baseline for Ethernet statistics by setting a group of reference counte...

Страница 228: ...chment unit MAU on the physical port 10BASE T 10 Mbps 100BASE TX 100 Mbps 100BASE FX MM 100 Mbps with the distance appearing after the type 100BASE LX SM 100 Mbps SFP Empty SFPs that are empty SFP Non...

Страница 229: ...ds Total number of discarded incoming packets Mac Errors Number of incoming packets discarded because of MAC sublayer failures Alignment Number of incomplete octets received CRC Number of packets disc...

Страница 230: ...terface and Out fields are for traffic sent on the interface ARP requests Number of ARP requests ARP responses Number of ARP responses Errors Total number of errors in all ARP packets Discards Total n...

Страница 231: ...class control bound to FastEthernet2 0 Queue length 0 bytes Forwarded packets 1 bytes 46 Dropped committed packets 0 bytes 0 Dropped conformed packets 0 bytes 0 Dropped exceeded packets 0 bytes 0 See...

Страница 232: ...perational Current rate at which packets are processed Administrative Setting for line speed that you specified De bounce Debounce configuration for this interface State is Enabled Disabled Interval i...

Страница 233: ...ts Mac Errors Number of incoming packets discarded because of MAC sublayer failures Alignment Number of incomplete octets received CRC Number of packets discarded because the checksum that the router...

Страница 234: ...RP packets Discards Total number of discarded ARP packets queue Hardware packet queue associated with the specified traffic class and interface Queue length Length of the queue in bytes Forwarded pack...

Страница 235: ...ive qos shaping mode none Operational qos shaping mode none queue 0 traffic class control bound to GigabitEthernet10 2 Queue length 0 bytes Forwarded packets 0 bytes 0 Dropped committed packets 0 byte...

Страница 236: ...Address Hardware Addr 3 3 3 3 0090 1a30 3365 4 4 4 4 0090 1a30 3368 See show ip mac validate interface 210 Monitoring Ethernet Interfaces JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 237: ...Service Interfaces on page 221 Monitoring Tunnel Service Interfaces on page 224 Tunnel Service and IPSec Service Overview Tunnels provide a way of transporting datagrams between routers that do not s...

Страница 238: ...n use a shared tunnel server module to provide tunnel services as an alternative to using a dedicated tunnel server module Cost savings If you have limited tunnel server processing needs you can provi...

Страница 239: ...interfaces For detailed information about the modules that support tunnel service interfaces on the ERX 14xx models ERX 7xx models and the ERX 310 router See ERX Module Guide Table 1 Module Combinati...

Страница 240: ...NOSe Release Notes Appendix A System Maximums for information about the number of tunnels and sessions that the ES2 S1 Service IOA supports Supported Modules for Shared Tunnel Server Ports Most E seri...

Страница 241: ...on about identifying the port number on a tunnel server port see Configuring Tunnel Server Ports and Tunnel Service Interfaces on page 221 For information about installing tunnel server modules in ERX...

Страница 242: ...th the upper and lower bays of slot 3 When a full height IOA is installed in the E120 router or the E320 router it is identified in the software by the upper adapter bay 0 host1 config tunnel server 3...

Страница 243: ...l must be able to support the extra tunnel if one of the modules becomes unavailable NOTE When both dedicated tunnel server ports on SMs and shared tunnel server ports on shared tunnel server modules...

Страница 244: ...does not perform interface policing to prevent the access services of a shared tunnel server module from depriving the tunnel services of the requisite interface resources and vice versa We recommend...

Страница 245: ...M becomes available As a result the distribution of dedicated ISM interfaces over the modules might become uneven Tunnel Service Interface Considerations To configure a tunnel server port you assign t...

Страница 246: ...es to the maximum value supported by the new module When you exchange a tunnel server module that has a higher number of provisioned interfaces than the new module s capacity the module adjusts the pr...

Страница 247: ...s associated with configuring a tunnel server port and tunnel service interface Identifying the Physical Location of the Tunnel Server Port To display the physical location of the dedicated tunnel ser...

Страница 248: ...ration Mode return to Privileged Exec mode host1 config tunnel server exit host1 config exit host1 2 Issue the show tunnel server config command host1 show tunnel server config Server Ports Provisione...

Страница 249: ...tunnel server ports the default configuration is zero tunnel server interfaces Use the no version to reduce the number of provisioned tunnel service interfaces to zero Issuing the no max interfaces co...

Страница 250: ...rd to display information about available and provisioned tunnel service interfaces on each port and to indicate whether modules that support the use of dedicated or shared tunnel server ports are cur...

Страница 251: ...x models ERX 14xx models and ERX 310 routers or slot adapter port format E120 and E320 routers for the module on which the tunnel server port resides Type Type of tunnel server port dedicated or share...

Страница 252: ...n about a specific shared tunnel server port host1 show tunnel server 2 2 Card Oper Active Max Port Appl Type State Interfaces Interfaces Fill Port 2 2 shared present 0 4000 0 0 ipsec tunnel down 0 0...

Страница 253: ...Part 2 Index Index on page 229 Index 227...

Страница 254: ...228 Index JUNOSe 10 0 x Physical Layer Configuration Guide...

Страница 255: ...atic Protect Switching See APS MSP B baseline commands baseline interface 201 baseline interface serial channelized T3 interfaces 29 cOCx STMx interfaces 153 E3 T3 interfaces 64 baseline line interfac...

Страница 256: ...contacting JTAC xxv cyclic redundancy check See CRC D data stream inversion enabling channelized T3 interfaces 21 cOCx STMx interfaces 139 E3 T3 interfaces 58 debounce command 195 debounce interval c...

Страница 257: ...d T3 interfaces 3 configuring 16 monitoring statistics 38 filtering show displays 29 64 153 fractional T1 E1 8 fractional T3 56 framing command channelized T3 interfaces 13 E3 T3 interfaces 55 framing...

Страница 258: ...k commands link failover force 193 link failover timeout 193 link selection 193 LNS L2TP network server termination 212 load interval command channelized T3 interfaces 21 E3 T3 interfaces 58 Ethernet...

Страница 259: ...192 path commands path 120 path description 84 120 path e1 unframed 125 path overhead c2 84 120 path overhead j1 97 147 path snmp trap link status 84 120 path trigger alarm 84 120 path trigger delay...

Страница 260: ...how aps commands show aps 106 show aps group 106 show controllers commands show controllers e3 65 show controllers sonet 99 show controllers sonet configuration 153 show controllers sonet ds1 e1 159 s...

Страница 261: ...T3 channels 130 T3 controllers configuring 10 monitoring 29 T3 interfaces configuring controllers 51 configuring HDLC channel 57 configuring MDL 52 equipment loopback command 61 loopback command 61 mo...

Страница 262: ...236 Index JUNOSe 10 0 x Physical Layer Configuration Guide...

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