background image

JunosE™ Software
for E Series™ Broadband
Services Routers

Physical Layer Configuration Guide

Release

11.2.x

Published: 2010-06-17

Copyright © 2010, Juniper Networks, Inc.

Содержание JUNOSE 11.2.X MULTICAST ROUTING

Страница 1: ...JunosE Software for E Series Broadband Services Routers Physical Layer Configuration Guide Release 11 2 x Published 2010 06 17 Copyright 2010 Juniper Networks Inc...

Страница 2: ...sed to 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 7...

Страница 3: ...re 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 us...

Страница 4: ...ATE 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 inclu...

Страница 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...

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

Страница 7: ...2 Configuring T3 and E3 Interfaces 45 Chapter 3 Configuring Unchannelized OCx STMx Interfaces 71 Chapter 4 Configuring Channelized OCx STMx Interfaces 105 Chapter 5 Configuring Ethernet Interfaces 16...

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

Страница 9: ...ards 4 Timeout of Received MDL and FDL Messages 4 Frequency of FDL Path Messages 5 Higher Level Protocols 5 Platform Considerations 5 CT3 T3 F0 Line Modules and CT3 T3 12 I O Modules 6 Exchanging Modu...

Страница 10: ...eferences 50 Before You Configure an Interface 50 Configuration Tasks 51 Configuring a T3 or an E3 Controller 51 Configuring MDL Messages 52 Optional Tasks 53 Configuring Fractional T3 55 Configuring...

Страница 11: ...e 87 Configuring the Protect Interface 88 Configuring SONET SDH Alarms 90 Configuration Example 91 Configuring APS Event Collection 91 Manual Switching to a Redundant Port 92 Testing Interfaces 93 Loo...

Страница 12: ...nfiguration Examples 136 Example 1 Configuring Interfaces in SONET Mode 137 Example 2 Configuring Interfaces in SDH Mode 138 Example 3 Configuring Frame Relay 139 Example 4 Configuring PPP 139 Testing...

Страница 13: ...gh Density Ethernet 181 ES2 10G ADV LM Combination 181 Bandwidth and Line Rate Considerations 182 Managing High Density Ethernet 182 10 Gigabit Ethernet IOAs 182 ES2 S1 10GE IOA 182 Managing High Dens...

Страница 14: ...terface Distribution of Tunnel Service Interfaces 212 SMs ES2 S1 Service IOA and Shared Tunnel Server Modules 213 Static IP Tunnel Service Interfaces 213 Dynamic Tunnel Service Interfaces 213 Interfac...

Страница 15: ...Cx STMx DS3 ATM Interfaces 76 Figure 6 Interface Stack for OCx STMx POS and OC48 STM16 Interfaces 77 Figure 7 Interface Stack for OCx STMx POS Interfaces 79 Chapter 4 Configuring Channelized OCx STMx...

Страница 16: ...Copyright 2010 Juniper Networks Inc xvi JunosE 11 2 x Physical Layer Configuration Guide...

Страница 17: ...11 Identifiers for SONET SDH VT Controllers 111 Table 12 Definitions for Identifiers for SONET SDH VT Controllers 111 Table 13 Identifiers for T3 Controllers 112 Chapter 5 Configuring Ethernet Interf...

Страница 18: ...ES2 10G LM 181 Table 24 Average Data Rate for One ES2 S3 GE 20 IOA Installed with an ES2 10G ADV LM 182 Chapter 6 Managing Tunnel Service and IPSec Service Interfaces 207 Table 25 Sample Capacity Con...

Страница 19: ...nformation 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 documentat...

Страница 20: ...fic 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 info...

Страница 21: ...n 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 availa...

Страница 22: ...niper 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...

Страница 23: ...3 Interfaces on page 45 Configuring Unchannelized OCx STMx Interfaces on page 71 Configuring Channelized OCx STMx Interfaces on page 105 Configuring Ethernet Interfaces on page 167 Managing Tunnel Ser...

Страница 24: ...Copyright 2010 Juniper Networks Inc 2 JunosE 11 2 x Physical Layer Configuration Guide...

Страница 25: ...he 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...

Страница 26: ...rd identify a particular link by sharing performance data and do not use common codes for data such as the equipment identifier line identifier frame identifier and unit Timeout of Received MDL and FD...

Страница 27: ...are unique to a particular message type the line module must receive another message of the same type containing this string in order to retain the local copy of the string and reset the timer For ex...

Страница 28: ...xx models support up to 5 CT3 T3 F0 line modules and 5 CT3 T3 12 I O modules and the ERX310 router supports up to two CT3 T3 F0 line modules and two CT3 T3 12 I O modules Each CT3 T3 12 I O module has...

Страница 29: ...X7xx models line module slots are numbered 2 6 slots 0 and 1 are reserved for SRP modules In ERX14xx models line module slots are numbered 0 5 and 8 13 slots 6 and 7 are reserved for SRP modules In an...

Страница 30: ...e 4 Sample T1 Subchannel Timeslot Assignments DS0 Timeslot Subchannel 1 4 10 22 24 1 5 6 2 7 9 3 11 4 12 15 20 21 5 16 19 6 To configure the subchannels listed in Table 4 on page 8 use the following c...

Страница 31: ...Terminal Equipment to Services Employing the Extended Superframe Format September 1989 For more information about bit error rate test BERT patterns see ITU O 151 Error performance measuring equipment...

Страница 32: ...nfigure T1 channels and subchannels 5 Configure HDLC channels Configuring a T3 Controller To configure a T3 controller 1 Access Controller Configuration mode by specifying the T3 controller host1 conf...

Страница 33: ...dg 10 host1 config controll mdl string pfi Site 25 host1 config controll mdl string port 0800 host1 config controll mdl string unit 080001 4 Enable transmission of MDL messages host1 config controll m...

Страница 34: ...o adjust the transmit power appropriate to the length of the T3 cable Specify a cable length in the range 1 450 feet The router supports two transmit powers one for a cable length 1 225 feet and anoth...

Страница 35: ...1 config controll description toronto ct3 interface Use the no version to remove the text description or alias See description framing Use to configure the framing format for a T3 controller Specify e...

Страница 36: ...ecifications For example host1 config controll t1 2 4 6 15 20 25 clock source line The following configuration tasks are optional when you configure T1 channels Disable T1 channels Change the clock so...

Страница 37: ...e this command to help you identify the interface and keep track of interface connections The description or alias can be a maximum of 80 characters Use show controllers t3 on page 29 to display the t...

Страница 38: ...ge 1 28 subchannel Subchannel from 1 24 Example host1 config controll t1 2 snmp trap link status Use the no version to disable SNMP link status processing See t1 snmp trap link status t1 timeslots Use...

Страница 39: ...generator 5 Enable transmission of FDL messages host1 config controll t1 1 fdl transmit path id 6 Optional Specify that the router should generate yellow alarms for the T1 channels host1 config contro...

Страница 40: ...n to restore the default value to the specified FDL message or to all FDL messages See t1 fdl string t1 fdl transmit Use to configure the router to send the specified type of FDL message By default th...

Страница 41: ...to disable generation of yellow alarms See t1 yellow Configuring an HDLC Channel You must configure an HDLC channel for each group of fractional T1 lines and each full T1 line To configure an HDLC ch...

Страница 42: ...e idle character 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 char...

Страница 43: ...You should coordinate this value with the network administrator on the other end of the line If you configure a different MRU value in higher level protocols such as IP the router uses the lower valu...

Страница 44: ...ll clock source internal module host1 config controll cablelength 220 host1 config controll t1 2 framing esf lihost1 config controll t1 2 clock source internal host1 config controll t1 2 loopback loca...

Страница 45: ...mer loopback command to enable the router to enter into loopback when it receives an appropriate signal from the remote device host1 config controll equipment customer loopback Issue the equipment net...

Страница 46: ...fy one of the following loopback options customer Enables the router to enter into loopback when it receives an appropriate signal from the remote interface network Disables the router s ability to en...

Страница 47: ...ost1 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 the line without connecting t...

Страница 48: ...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 interval 10 unframed Use the no version to stop t...

Страница 49: ...pback Enables the remote payload facilities data link FDL ANSI bit loopback on the T1 channel You can optionally specify fdl and ansi If you do not specify an option the router will set a local loopba...

Страница 50: ...ll command displays the following information T3 current interval counters Counters for the current interval T3 last interval counters Counters for the previous interval T3 24 hour total counters Cumu...

Страница 51: ...for the DS3 E3 Interface Types January 1999 For definitions of the MIB statistics for a T1 channel see RFC 2495 Definitions of Managed Objects for the DS1 E1 DS2 and E2 Interface Types January 1999 F...

Страница 52: ...k Payload Loops the data toward the network after the framer has processed the data Line Loops the data toward the network before the data reaches the framer MDL Transmit Path Status of path transmiss...

Страница 53: ...he current interval Unavailable seconds Number of unavailable seconds encountered by a T3 in the current interval Line code violations Number of line code violations encountered by a T3 in the current...

Страница 54: ...rored seconds 0 Ds3 Last Interval 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 violation...

Страница 55: ...ctive or not active Yellow Alarm generation Status of yellow alarm generation active or not active snmp trap link status Status of SNMP trapping enabled or disabled Framing Type of framing format Cloc...

Страница 56: ...encountered by a T1 in the current interval Severely errored frame seconds Number of severely errored framing seconds encountered by a T1 in the current interval Unavailable seconds Number of unavaila...

Страница 57: ...ample the brief keyword is specified for all T1 channels host1 show controllers t1 brief Interfaces ifAdminStatus OperationalStatus 5 0 1 framed up lowerLayerDown 5 0 2 framed up lowerLayerDown 5 0 3...

Страница 58: ...s Errored seconds 0 Severely errored second 0 Severely errored frame seconds 0 Unavailable seconds 0 Clock slip seconds 0 Path code violations 0 Line errored seconds 0 Bursty errored seconds 0 Degrade...

Страница 59: ...configured for MDL or for the remote end of a T1 channel configured for FDL Specify the all option to display detailed information for all 15 minute intervals For definitions of the MIB statistics fo...

Страница 60: ...a T3 in the current interval Invalid seconds Number of seconds when statistics were not collected Example In this example a T3 interface is specified host1 show controllers t3 5 0 remote Far End MDL C...

Страница 61: ...unit string sent by remote device for FDL Far End Facility Identification Code pfi string sent by remote device for FDL Far End Generator Number generator string sent by remote device for FDL Far End...

Страница 62: ...the null string DS1 Current Interval Counters Errored seconds 0 Severely errored second 0 Severely errored frame seconds 0 Unavailable seconds 0 Clock slip seconds 0 Path code violations 0 Line errore...

Страница 63: ...option to display information about a specific interface Example host1 show controllers t3 serial Serial Interface at 2 0 1 1 ifOperStatus ifOperLowerLayerDown snmp trap link status disabled Crc type...

Страница 64: ...interface speed Current line speed of the interface Hdlc idle character Current idle character Invert data disabled Status of the data inversion feature Ds0 time slot map Channelized T1 or E1 channel...

Страница 65: ...character marks Invert data disabled Ds0 time slot map 0xfff Ds0 mode Nx64 Serial Interface at 13 0 2 Description ottawa013 hdlc channel ifOperStatus ifOperUp snmp trap link status disabled Crc type c...

Страница 66: ...Copyright 2010 Juniper Networks Inc 44 JunosE 11 2 x Physical Layer Configuration Guide...

Страница 67: ...odules 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 features of...

Страница 68: ...e types of messages in which it can be sent Table 5 MDL Message Strings and Message Types Test Signal Message Idle Signal Message Path Message Description Message String Equipment identification code...

Страница 69: ...etailed information about the modules that support unchannelized T3 E3 interfaces on ERX7xx models ERX14xx models and the ERX310 router See ERX Module Guide Table 1 Module Combinations for detailed mo...

Страница 70: ...y logical interface support Unique IP interface 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 ERX7xx models ERX14xx models a...

Страница 71: ...ntrol 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 specifiers see...

Страница 72: ...ns Digital Hierarchy Supplement to Formats Specification August 1990 For more information about bit error test BERT patterns see ITU O 151 Error performance measuring equipment operating at the primar...

Страница 73: ...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 mode host1 config controller t3 3 2 2 Enabl...

Страница 74: ...disabled interface See shutdown Configuring MDL Messages You can configure a T3 interface to send MDL messages MDL messages are supported only when T3 framing uses C bit parity the default setting To...

Страница 75: ...fault value to the specified MDL message or to all MDL messages See mdl string mdl transmit Use to enable transmission of MDL messages Specify the keyword path id to transmit path identifications ever...

Страница 76: ...eive data stream except in rare cases such as back to back router tests When performing back to back router tests configure one end of the line as internal and the other end as line Specify the keywor...

Страница 77: ...or m23 the default is c bit T3 ATM cbitadm cbitplcp m23adm or M23plcp the default is cbitplcp For an E3 line you must specify one of the following E3 FRAME g751 or g832 the default is g751 Choose a f...

Страница 78: ...If you issue the no version be sure to issue the no dsu mode and no scramble commands Otherwise the interface might drop packets unexpectedly See dsu bandwidth dsu mode Use to set the DSU mode for the...

Страница 79: ...the HDLC idle character Enable data inversion on the interface Set the time interval for monitoring bit and packet rates Set the maximum receive unit MRU Set the maximum transmit unit MTU Assign a te...

Страница 80: ...Example host1 config interface serial 3 0 Use the no version to disable the interface See interface serial invert data Use to enable data stream inversion for the interface Enable data stream inversi...

Страница 81: ...P the router uses the lower value This could produce unexpected behavior in your network Example host1 config if mtu 1500 Use the no version to restore the default 1600 bytes See mtu serial descriptio...

Страница 82: ...hoot problems and to check the quality of links at various layers in the interface stack The router supports the following test options Transmission of BERT patterns to remote devices Local loopback L...

Страница 83: ...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 Pseudorandom test pattern 8 388 607 bits in length alt 0 1 Repetitive al...

Страница 84: ...e T3 interface to enable or disable the ability to enter into a loopback initiated by a remote device as follows Issue the equipment customer loopback command to enable the router to enter into loopba...

Страница 85: ...processes the data remote Sends a far end alarm code in the C bit framing as defined in ANSI T1 404 to notify the remote end to activate or when you use the no version deactivate the line loopback NOT...

Страница 86: ...of the show command to include or exclude lines of output based on a text string you specify See Command Line Interface in JunosE System Basics Configuration Guide baseline interface Use to set a sta...

Страница 87: ...Remote device is sending an alarm indication signal AIS Xmt AIS Local device is sending an AIS Rcv LOF Loss of one or more frames from the remote end Rcv LOS Loss of signal at the local end NOTE The a...

Страница 88: ...n Code pfi string for MDL T3 only Port Code port string for MDL T3 only Generator Number generator string for MDL T3 only BERT test Number of current test and total number of tests T3 only Test interv...

Страница 89: ...ber of coding violations encountered by an E3 not applicable for T3 in the current interval this field is not present for T3 controllers Line errored seconds Number of line errored seconds encountered...

Страница 90: ...me 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 seconds 0 Ds3 24 Hou...

Страница 91: ...ice for MDL Far End Line Identification Code lic string sent by remote device for MDL Far End Frame Identification Code fic string sent by remote device for MDL Far End Unit Identification Code unit s...

Страница 92: ...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 Counters C bit er...

Страница 93: ...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 redundant c...

Страница 94: ...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 protect interface ports...

Страница 95: ...Possible reasons for initiating a unidirectional switch are the same as those described in Bidirectional Switching Mode on page 73 for initiating a bidirectional switch Reversion After Switchover A fa...

Страница 96: ...gh priority signal degradation 1011 Low priority signal failure 1100 High priority signal failure 1101 Forced switch 1110 Lockout of protection 1111 Bits 5 8 represent the channel number Channel numbe...

Страница 97: ...rfaces described in this chapter support Platform Considerations You can configure unchannelized SONET SDH interfaces on the following E Series Broadband Services Routers E120 Broadband Services Route...

Страница 98: ...nnectors are available I O modules that support SONET Automatic Protect Switching APS 1 1 redundancy and SDH Multiplex Section Protection MSP are also available Figure 5 on page 76 shows the interface...

Страница 99: ...requires bandwidth the system configures the line module it detects first The state of the other line module is displayed in the show version command output as disabled cfg error OC3 STM1 GE FE Line M...

Страница 100: ...ES2 4G LM when installed in a 120 Gbps fabric configuration is 3 9 Gbps you can achieve this rate with random packet sizes from 64 1518 bytes or a mixture of packet sizes that represent Internet mix t...

Страница 101: ...X7xx Models ERX14xx Models and the ERX310 Router Use the slot port format to identify unchannelized SONET SDH interfaces Interfaces that support APS MSP also use the APS MSP channel number slot Number...

Страница 102: ...protect interface is always assigned channel number 0 The working interface is always assigned channel number 1 See Configuring Channelized T3 Interfaces on page 3 for information about slot numbering...

Страница 103: ...unosE System Basics Configuration Guide On the E120 and E320 routers if you replace an ES2 S1 OC3 8 STM1 ATM IOA with an ES2 S1 OC12 STM4 POS IOA you must erase the configuration of the existing IOA S...

Страница 104: ...an interface you automatically configure default settings at the SONET SDH layer To modify the default settings 1 Select an interface on which you want to configure SONET or SDH 2 Specify the type of...

Страница 105: ...clock source of all ports firstly to the line setting and then to the new internal clock setting Example host1 config controll clock source internal module Use the no version to revert to the default...

Страница 106: ...byte for the path is determined by the layers configured above the SONET SDH interface and set automatically The E Series router sets this default value in accordance with RFC 2558 See References on p...

Страница 107: ...hich the software uses loss of pointer and AIS defects at the path layer to determine the operational status of a path See path trigger alarm prdi path trigger delay Use to set the time that the route...

Страница 108: ...e SNMP link status processing See snmp trap link status trigger delay Use to set the time that the router waits to set an alarm when the router records a defect at the line or section layer Change thi...

Страница 109: ...controll aps group boston 3 Specify the interface as the working interface host1 config controll aps working aps group Use to specify the group to which the working and protect interfaces will belong...

Страница 110: ...specified alarm See threshold Configuring the Protect Interface To configure the protect interface 1 Select the interface host1 config controller sonet 4 1 2 Specify the APS group to which the protec...

Страница 111: ...to restore the default situation in which the protect interface can take over if the working interface fails See aps lockout aps protect Use to configure an interface as a protect interface You can is...

Страница 112: ...signal degradation host1 config controller threshold sd ber 6 3 Specify the bit error rate at which the router should generate an alarm indicating signal failure and switch from the working interface...

Страница 113: ...gure line modules to deliver APS events to the necessary SNMP traps issue the aps events command from Global Configuration mode aps events Use to enable line modules to deliver APS events to the neces...

Страница 114: ...he following channel numbers 0 Switches from the protect interface back to the working interface 1 Switches from the working interface to the protect interface Examples host1 config controll aps force...

Страница 115: ...ity between the router and a SONET SDH device at the other end of the line This command defines A message that the router sends from the specified interface to the SONET SDH device at the other end of...

Страница 116: ...APS MSP settings 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 info...

Страница 117: ...SONET path layer interfaces on the E320 router host1 baseline path interface sonet 3 0 0 There is no no version See baseline path interface sonet baseline section interface sonet Use to set a statisti...

Страница 118: ...ate of the interface up Interface is operational down failure alarm Interface is not operational type of defect that caused failure is specified time since last status change Time since the module was...

Страница 119: ...es present in the receive side of the interface at any particular time Transmitted SONET Path overhead Path overhead bytes present in the transmit side of the interface at any particular time Example...

Страница 120: ...pe of layer To view all statistics for all sessions specify the total keyword To view baselined statistics for all intervals specify the delta total keywords Field descriptions Current Interval Counte...

Страница 121: ...mote connections associated with the SONET SDH path Example 1 Shows the MIB statistics for the path layer on interface 1 0 host1 show controllers sonet 1 0 path Channel number 0 Number of valid interv...

Страница 122: ...apsed in current interval 114 Current status AIS Current Line Interval Counters Seconds Counts 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...

Страница 123: ...OK BIP B1 Code Violation 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 L...

Страница 124: ...nterface using the bidirectional switching mechanism Unidirectional Router switches to the protect interface using the unidirectional mode switching mechanism Nonrevertive Router does not revert to th...

Страница 125: ...ChanMismatch Number of differences detected between the number of the channel in the transmitted K1 byte and the number of the channel in the received K2 byte PSBF Number of protection switching byte...

Страница 126: ...itched from the working interface to the protect interface a value of Not Applicable indicates that no switchovers have occurred Example host1 show aps group Aps group bos Current Conditions PSBF Rx K...

Страница 127: ...bed 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 on sel...

Страница 128: ...unit AT T Technical Reference 54016 Requirements for Interfacing Digital Terminal Equipment to Services Employing the Extended Superframe Format September 1989 FDL messages that comply with the AT T...

Страница 129: ...ic 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 must receive another message of the same type...

Страница 130: ...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 OC3 84 framed T1s per OC3...

Страница 131: ...ng devices and provides end to end transmission When you configure a cOCx STMx interface be sure you understand its position in the SONET or SDH hierarchy This implementation of SONET and SDH uses the...

Страница 132: ...s TUs Each group or unit contains a number of virtual tributaries that number depends on the VT type or TU name Table 10 on page 110 lists the VT types and TU names that the router supports Table 10 T...

Страница 133: ...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 Fractional...

Страница 134: ...o 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 ident...

Страница 135: ...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 primary port and...

Страница 136: ...rcuits 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 c...

Страница 137: ...rmation 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 fast reroute o...

Страница 138: ...ck 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 clock or vice versa first change the clock source of a...

Страница 139: ...e host1 config controll path 2 description westford Use the no version to remove the description See path description path overhead c2 Use to overwrite the automatic setting for the path signal label...

Страница 140: ...restore the default setting in which the software uses loss of pointer and AIS defects at the path layer to determine the operational status of a path See path trigger alarm prdi path trigger delay U...

Страница 141: ...e of 0 milliseconds if the interface does not use APS MSP or if MPLS should have priority over APS MSP Specify a value of at least 100 milliseconds if this interface uses APS MSP and if APS MSP should...

Страница 142: ...ify the interface and keep track of interface connections The description or alias can be a maximum of 80 characters Use show controllers sonet ds1 e1 on page 153 to display the text description Examp...

Страница 143: ...roup description Use to assign a text description or an alias to a DS1 T1 or an E1 channel group for channelized SONET and SDH interfaces You can use this command to help you identify the interface an...

Страница 144: ...el group timeslots path ds1 e1 clock source Use to configure the transmit clock source for the T1 or E1 interface Select a clock as follows Specify the keyword line to use a transmit clock recovered f...

Страница 145: ...crc4 The default is crc4 Choose a framing format that is compatible with the framing format at the other end of the line Example host1 config controll path 12 e1 1 4 1 framing no crc4 Use the no vers...

Страница 146: ...ard see References on page 113 Specify the keyword att to support the AT T FDL standard see References on page 113 Specify the keyword all to support both the ANSI and AT T standards Specify the keywo...

Страница 147: ...h ds1 fdl command with the ansi or all keyword If you specified the att keyword with the path ds1 fdl command the router sends only performance data Specify the keyword path id to transmit path identi...

Страница 148: ...figuration Examples on page 136 path ds3 Use to create and configure a T3 path over SONET and SDH interfaces Example host1 config controller path 2 ds3 1 channelized Use the no version to delete a pat...

Страница 149: ...to use the 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...

Страница 150: ...T3 interface to send MDL messages MDL messages are supported only when the T3 framing is set for C bit parity the default setting To configure a T3 interface to send MDL messages 1 Specify a SONET int...

Страница 151: ...Specify the keyword 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 eve...

Страница 152: ...end as 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 Specify the keyw...

Страница 153: ...erframe framing The framing format you choose must be compatible with the framing format at the other end of the line Example host1 config controll path 12 ds3 1 t1 28 framing sf Use the no version to...

Страница 154: ...the interface to operate in an FDL carrier environment host1 config controll path 2 ds3 1 t1 28 fdl carrier 4 ANSI signals Specify the FDL messages host1 config controll path 2 ds3 1 t1 28 fdl string...

Страница 155: ...i or all keyword and then issued the path ds3 t1 fdl transmit command Example host1 config controll path 2 ds3 1 t1 28 fdl string eic ERX1440 Use the no version to restore the default value to the spe...

Страница 156: ...host1 config interface serial 4 0 1 1 1 1 Optional Tasks The following configuration tasks are optional when you configure an HDLC channel on a channelized T3 interface Configure the CRC Configure th...

Страница 157: ...fig interface serial 4 0 1 1 1 1 1 Example for fractional T1 E1 interface host1 config interface serial 4 0 1 1 1 1 1 Example for unchannelized T3 interface host1 config interface serial 4 0 1 1 Examp...

Страница 158: ...s such as IP If you do the router uses the 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...

Страница 159: ...Configure two fractional T1 lines on VT 1 2 2 in path 2 host1 config controller path 2 ds1 1 2 2 channel group 1 timeslots 1 10 host1 config controller path 2 ds1 1 2 2 channel group 2 timeslots 11 21...

Страница 160: ...ure four STM 1 paths An OC 12 interface has four STM 1 paths host1 config controller path 10 stm1 1 host1 config controller path 20 stm1 2 host1 config controller path 30 stm1 3 host1 config controlle...

Страница 161: ...1 on page 137 1 Select the interface on which you want to configure PPP host1 config interface serial 4 0 2 1 2 2 1 2 Specify PPP as the encapsulation method on the interface host1 config if encapsula...

Страница 162: ...n 32 767 bits in length 2 20 O153 Pseudorandom test pattern 1 048 575 bits in length Specify the duration of the test in the range 1 1440 minutes Optionally specify the unframed keyword to overwrite t...

Страница 163: ...he test in the range 1 1440 minutes Optionally specify the unframed keyword to overwrite the framing bits Example host1 config controll path 12 ds3 2 t1 14 bert pattern 2 11 interval 10 unframed Use t...

Страница 164: ...ion to disable loopback See loopback path ds1 e1 loopback Use to configure a loopback at the T1 E1 over SONET SDH VT layer Specify one of the following options local Loops the router output data back...

Страница 165: ...Loops the router output data back toward the router at the T1 framer on supported line modules also sends an alarm indication signal AIS out toward the network network line payload Specify the line k...

Страница 166: ...y Sends a repeating 16 bit ESF data link code word 00010010 11111111 to the remote end requesting that it enter into a network line loopback Specify the bellcore keyword to enable the remote line FDL...

Страница 167: ...ontroll path 12 ds3 2 equipment network loopback Use the no version to restore the default behavior which disables the router s ability to be placed in loopback by a remote device Using the no version...

Страница 168: ...oll path 12 ds3 2 t1 14 loopback remote payload Use the no version to send the 16 bit ESF data link code word to deactivate the loopback at the remote end depending on the last activate request sent t...

Страница 169: ...Example for cOCx STMx interface host1 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 expecte...

Страница 170: ...se the delta keyword with the show interfaces serial command to view the baseline statistics Example host1 baseline interface serial 2 0 1 1 There is no no version See baseline interface baseline line...

Страница 171: ...erface in slot port format To view information for a controller and all layers above that controller specify a controller For example to view all controllers on interface 3 0 use show controllers sone...

Страница 172: ...ET or SDH Timing source Type of clock source configured for the channel internal module Internal clock is from the line module itself chassis Internal clock is from the configured router clock Current...

Страница 173: ...uperframe for T1 interfaces Line Code Type of line coding the router assigned to the controller B8ZS or AMI Clock source Type of clock source configured for the channel module Internal clock is from t...

Страница 174: ...illiseconds Operational Status up time since last status change 00 03 30 Operational Status up time since last status change 00 06 49 Loopback State none Mode sonet Timing source internal module Curre...

Страница 175: ...ed Objects for the DS1 E1 DS2 and E2 Interface Types January 1999 Specify an interface in slot port format To view information for a specific controller in a layer enter the specifier for the controll...

Страница 176: ...slips encountered by a T1 or an E1 in the current interval Path code violations Number of coding violations encountered by a T1 or an E1 in the current interval Line errored seconds Number of line err...

Страница 177: ...nterface in slot port format To view information for a specific controller in a layer enter the specifier for the controller and the type for the controller For example to view T3 controller 1 on path...

Страница 178: ...tions encountered by a T3 P bit coding violations Number of coding violations encountered by a T3 Line errored seconds Number of line errored seconds encountered by a T3 C bit coding violations Number...

Страница 179: ...iolations 0 P bit coding violations 0 Line errored seconds 0 C bit coding violations 0 C bit errored seconds 0 C bit severely errored seconds 0 24 Hour Total Counters P bit errored seconds 0 P bit sev...

Страница 180: ...of severely errored seconds encountered in an interval Severly errored framing seconds Number of severely errored framing seconds encountered in an interval Coding violations Number of coding violatio...

Страница 181: ...mber of valid intervals 0 Time elapsed in current interval 209 Current Section Interval Counters Current status No Defect Errored seconds 68 Severly errored seconds 68 Severely errored framing seconds...

Страница 182: ...st Path Interval Counters Errored seconds 0 Severly errored seconds 0 Coding violations 0 Unavailable seconds 0 Example 5 This example displays the tributary statistics for all tributaries on interfac...

Страница 183: ...Specify the all option to display detailed information for all 15 minute intervals For definitions of the MIB statistics for a T3 connections see RFC 2496 Definitions of Managed Objects for the DS3 E3...

Страница 184: ...s for a T1 channel DS1 Identifier of T1 channel Number of valid intervals Number of 15 minute intervals since the line module was last powered on or reset Time elapse in current interval Number of sec...

Страница 185: ...that a T1 line is degraded Example 1 In this example a T3 interface is specified host1 show controllers sonet 5 0 1 1 remote Far End MDL Carrier bit is not set Far End Equipment Identification Code is...

Страница 186: ...seconds 0 Degraded minutes 0 DS1 24 Hour Total Counters Errored seconds 0 Severely errored second 0 Severely errored frame seconds 0 Unavailable seconds 0 Clock slip seconds 0 Path code violations 0...

Страница 187: ...for the interface ifOperStatus Physical state of the interface ifOperDown Interface is not functioning ifOperLowerLayerDown Lower layer in the interface stack is not functioning ifOperNotPresent Modu...

Страница 188: ...2 0 1 1 1 1 1 Serial Interface at 2 0 1 1 1 1 1 Description toronto20 hdlc channel ifOperStatus ifOperUp snmp trap link status disabled Encapsulation hdlc Crc type checking CRC16 Hdlc mru 1600 Hdlc m...

Страница 189: ...167 Ethernet Interface Platform Considerations on page 168 Fast Ethernet I O Modules on page 170 Gigabit Ethernet I O Modules and IOAs on page 171 10 Gigabit Ethernet IOAs on page 182 Ethernet Referen...

Страница 190: ...Link Layer Configuration Guide IEEE 802 3ad link aggregation configurations For information see JunosE Link Layer Configuration Guide Configurations with upper layer protocols For information see Juno...

Страница 191: ...aces slot Number of the slot in which the line module resides in the chassis In ERX7xx models line module slots are numbered 2 6 slots 0 and 1 are reserved for SRP modules In ERX14xx models line modul...

Страница 192: ...mple the following command specifies a Gigabit Ethernet interface on port 0 of the IOA installed in the upper adapter bay of slot 3 host1 config interface gigabitEthernet 3 0 0 For more information ab...

Страница 193: ...MODE module accepts up to two pairs Tx Rx of SC style fiber optic connectors The GE I O module has two ports one port port 0 is active also known as primary and the other port port 0R is redundant If...

Страница 194: ...efore of the maximum 24 possible ports for the module in an ERX1440 chassis that is two ports in each of 12 slots full bandwidth is delivered only on a maximum of four ports those in slots 2 and 4 Whe...

Страница 195: ...GE 8 I O module combination when installed in an ERX310 router or in slots 2 or 4 of an ERX1440 router Table 14 Average Data Rate for ERX310 router or in Slots 2 or 4 of an ERX1440 router Average Data...

Страница 196: ...GE FE Line Module on page 77 NOTE The OC3 2 GE APS I O module does not support APS in the current release ES2 S1 GE 4 IOA The E120 and E320 routers support the ES2 S1 GE 4 IOA Other E Series routers...

Страница 197: ...ccess services ES2 4G LM Combination For more information about the ES2 4G LM see ES2 4G Line Module on page 78 When paired with the ES2 4G LM you can combine the ES2 S1 GE 8 IOA in a slot with one of...

Страница 198: ...port 237 5 Mbps per port 206 25 Mbps per port 206 25 Mbps per port All sixteen ports 475 Mbps per port 475 Mbps per port 412 5 Mbps per port 412 5 Mbps per port Any eight ports 950 Mbps per port 950...

Страница 199: ...ation the overall data rate for the ES2 4G LM with ES2 S1 GE 8 IOAs is 3 3 Gbps With a 120 Gbps fabric configuration or a 320 Gbps fabric configuration the overall data rate for the ES2 4G LM with ES2...

Страница 200: ...8 IOA is connected to the ES2 10G LM through a 5 Gbps bus Therefore the aggregate bandwidth of any IOA is limited to 5 Gbps Table 19 on page 178 lists the average data rate on the ES2 S1 GE 8 IOA when...

Страница 201: ...of overall bandwidth to each of these slots With a 120 Gbps fabric configuration the E120 router can accommodate up to 6 combinations of ES2 10G ADV LMs and ES2 S1 GE 8 IOAs You can install a combina...

Страница 202: ...nsity Ethernet on E Series routers see High Density Ethernet on page 187 ES2 S3 GE 20 IOA The E120 and E320 routers support the ES2 S3 GE 20 IOA Other E Series routers do not support the ES2 S3 GE 20...

Страница 203: ...LM with one ES2 S3 GE 20 IOA is limited to 10 Gbps The line module can become oversubscribed because of the IOA available wire rate 20 Gbps Currently flow control using MAC pause frames is disabled on...

Страница 204: ...out high density Ethernet on E Series routers see High Density Ethernet on page 187 10 Gigabit Ethernet IOAs 10 Gigabit Ethernet interfaces are supported on the ES2 S1 10GE IOA and the ES2 S1 10GE PR...

Страница 205: ...des and cabling distances and accepts 10 LC style fiber optic connectors The single port on the ES2 S2 10GE PR IOA has a redundant port If the active port fails the redundant port automatically become...

Страница 206: ...of the L2TP LNS function LAC facing and core facing Flow Control and Policy The ES2 10G Uplink LM and ES2 S2 10GE PR IOA combination does not support quality of service QoS functionality that is avail...

Страница 207: ...l multicast control protocols The ES2 10G LM can also transmit multicast control protocol frames and multicast data frames to perform multicast egress elaboration Flow Control and Policy The ES2 10G L...

Страница 208: ...t control protocols The ES2 10G ADV LM can also transmit multicast control protocol frames and multicast data frames to perform multicast egress elaboration Flow Control and Policy The ES2 10G ADV LM...

Страница 209: ...drop certain packets when the module becomes oversubscribed The packet classifier inspects each incoming packet to determine whether to classify it as control traffic To enhance network stability the...

Страница 210: ...NOTE TheroutermanagesfailoverinthesamewayfortheGigabitEthernetI Omodules and the GE 2 SFP I O module link failover arp flush Use to clear the ARP cache on an interface with redundant ports when the p...

Страница 211: ...iguration Tasks for Ethernet This section describes the options for configuring Ethernet interfaces You configure an Ethernet interface based on the requirements for your router configuration and the...

Страница 212: ...state change to the upper layer protocols 8 Optional Modify the interval that the interface waits before reporting a state change to the upper layer protocols debounce Use to enable the debounce confi...

Страница 213: ...he 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 S...

Страница 214: ...in the output for show configuration show interfaces fastEthernet show interfaces gigabitEthernet and show interfaces tenGigabitEthernet commands Example host1 config if ethernet description abcd1234...

Страница 215: ...nterfaces This I O module does not support redundant ports in the current release On the ES2 S1 GE 4 IOA you can configure all four ports On the ES2 S1 GE 8 IOA you can configure all eight ports Use t...

Страница 216: ...e 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 MAC pair entries in the table are validated...

Страница 217: ...em Basics Configuration Guide NOTE If you set either the line speed or duplex mode to automatically negotiate by using the automatically negotiate keyword the router negotiates both parameters You can...

Страница 218: ...tEthernet tenGigabitEthernet Use to establish a baseline for Fast Ethernet Gigabit Ethernet or 10 Gigabit Ethernet statistics on a line module or an SRP module Use the delta keyword with the show inte...

Страница 219: ...nal Size of the largest packet processed Administrative Setting for MTU size that you specified Duplex Mode Duplex option for this interface Operational Duplex option currently used Administrative Set...

Страница 220: ...on this interface Bytes Number of bytes sent Unicast Number of unicast packets sent Multicast Number of multicast packets sent Broadcast Number of broadcast packets sent Errors Total number of errors...

Страница 221: ...re dropped Dropped exceeded packets bytes Number of exceeded packets and bytes that were dropped Example Displays the status of a Fast Ethernet interface host1 vr2 show interfaces fastEthernet 2 0 Fas...

Страница 222: ...et interfaceSpecifier Status of the hardware on this interface up Hardware is operational down Hardware is not operational Administrative status Operational state that you configured for this interfac...

Страница 223: ...ts Enabled Clears ARP entries on the interface when the primary link fails Disabled Maintains ARP entries on the interface until the specified timeout elapses Link Link information for this interface...

Страница 224: ...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 comput...

Страница 225: ...cs 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 requests ARP responses...

Страница 226: ...Input Power 0 5 uW MTU Operational 1518 Administrative 1518 Duplex Mode Operational Full Duplex Administrative Auto Negotiate Speed Operational 1000 Mbps Administrative Auto Negotiate Debounce State...

Страница 227: ...rs 0 Discards 0 Mac Errors 0 Deferred 0 No Carrier 0 Collisions Single 0 Multiple 0 Late 0 Excessive 0 Policed Statistics In 0 Out 0 ARP Statistics In ARP requests 0 ARP responses 0 Errors 0 Discards...

Страница 228: ...Copyright 2010 Juniper Networks Inc 206 JunosE 11 2 x Physical Layer Configuration Guide...

Страница 229: ...ts and Tunnel Service Interfaces on page 217 Monitoring Tunnel Service Interfaces on page 221 Tunnel Service and IPSec Service Overview Tunnels provide a way of transporting datagrams between routers...

Страница 230: ...you have limited tunnel server processing needs you can provide tunnel services on a single available port of a shared tunnel server module instead of having to allocate the entire bandwidth of a dedi...

Страница 231: ...Combinations for detailed specifications of these modules See ERX Module Guide Appendix A Module Protocol Support for information about the protocols and applications that service modules support For...

Страница 232: ...nel server ports however the supported modules depend on the type of E Series router that you have See JunosE Release Notes Appendix A System Maximums for information about the number of tunnels and s...

Страница 233: ...ared tunnel server ports slot Number of the slot in which the line module resides in the chassis In the E120 router line module slots are numbered 0 5 In the E320 router line module slots are numbered...

Страница 234: ...dule on which the port resides Distance Vector Multicast Routing Protocol DVMRP tunnels also known as IP in IP tunnels Generic routing encapsulation GRE tunnels IPSec on ISMs only Layer 2 Tunneling Pr...

Страница 235: ...all available server ports of the same type For this purpose dedicated tunnel server ports on SMs and shared tunnel server ports on shared tunnel server modules are considered one type of server port...

Страница 236: ...and 8 000 shared tunnel server interfaces both of which must compete for the overall supported maximum of 16 000 interface columns For tunneling PPP and IP maximums see JunosE Release Notes Appendix...

Страница 237: ...provisioning tunnel service interfaces on dedicated and shared tunnel server ports For instructions on how to provision and unprovision tunnel service interfaces see Configuring Tunnel Server Ports an...

Страница 238: ...umber of provisioned tunnel service interfaces By using the all available keyword with the max interfaces command you can configure the tunnel server port to automatically adjust the number of provisi...

Страница 239: ...rrent release Configuring Tunnel Server Ports and Tunnel Service Interfaces This section describes the tasks associated with configuring a tunnel server port and tunnel service interface NOTE Dedicate...

Страница 240: ...ing message and then the image specific to shared tunnel server appears Reserving Bandwidth on Shared Tunnel Server Ports To reserve a certain percentage of the total bandwidth for forwarding on a sha...

Страница 241: ...eserved a percentage of the total bandwidth on the tunnel server port 1 From Tunnel Server Configuration Mode return to Privileged Exec mode host1 config tunnel server exit host1 config exit host1 2 I...

Страница 242: ...unnel service interfaces that the service module supports all available On shared tunnel server ports the default configuration is zero tunnel server interfaces Use the no version to reduce the number...

Страница 243: ...ted tunnel server ports the default configuration is the maximum number of tunnel service interfaces that the service module supports On shared tunnel server ports the default configuration is zero tu...

Страница 244: ...al state of the port or application up Port or application is available down Port or application is unavailable present Module associated with this port is installed not present Module associated with...

Страница 245: ...tp 0 8000 0 0 gre dvmrp 1 4000 0 0 total 2 12000 0 0 Example 2 Displays information about a dedicated tunnel server port on an ISM host1 show tunnel server Card Oper Active Max Port Appl Type State In...

Страница 246: ...config Server Ports Provisioned Port Type MaximumInterfaces Interfaces HwPresent Bandwidth Reserved Port 2 2 0 shared 8000 0 yes N A Port 8 0 0 dedicated 16000 8000 yes N A Port 12 0 0 shared 8000 0 y...

Страница 247: ...PART 2 Index Index on page 227 225 Copyright 2010 Juniper Networks Inc...

Страница 248: ...Copyright 2010 Juniper Networks Inc 226 JunosE 11 2 x Physical Layer Configuration Guide...

Страница 249: ...tic Protect Switching See APS MSP B baseline commands baseline interface 196 baseline interface serial channelized T3 interfaces 27 cOCx STMx interfaces 147 E3 T3 interfaces 63 baseline line interface...

Страница 250: ...134 E3 T3 interfaces 57 CT3 T3 12 I O modules 48 CT3 T3 12 line modules 6 CT3 T3 F0 line modules 48 customer support xxi contacting JTAC xxi cyclic redundancy check See CRC D data stream inversion ena...

Страница 251: ...92 high density 187 IEEE 802 3ae 167 182 line speed 195 MAC address validation 192 monitoring 196 numbering scheme 169 211 events APS MSP 91 F facilities data link See FDL Fast Ethernet interfaces mod...

Страница 252: ...nd channelized T3 interfaces 20 cOCx STMx interfaces 134 E3 T3 interfaces 58 ip commands ip mac validate 192 IP tunnels secure 208 212 ISMs IPSec Service modules monitoring 221 redundancy and interfac...

Страница 253: ...lex Section Protection 71 105 MTU maximum transmission unit channelized T3 interfaces 20 cOCx STMx interfaces 134 E3 T3 interfaces 59 Ethernet interfaces 192 mtu command channelized T3 interfaces 20 c...

Страница 254: ...oopback 142 path ds3 t1 loopback remote 142 path ds3 t1 remote loopback 142 path ds3 t1 shutdown 128 path ds3 t1 snmp trap link status 128 path ds3 t1 timeslots 128 path ds3 t1 fdl commands path ds3 t...

Страница 255: ...5 128 T1 E1 channel 125 T1 E1 channel group 121 T3 controller 10 SMs Service modules monitoring 221 redundancy and interface distribution 212 SNMP Simple Network Management Protocol link status proces...

Страница 256: ...t clock source configuring channelized T3 interfaces 12 14 cOCx STMx interfaces 121 128 E3 T3 interfaces 54 OCx STMx interfaces 82 115 transmit powers and cable length 11 54 trigger delay command 86 t...

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