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Junos®OSE1 Interfaces Feature Guide for Routing DevicesRelease13.3Published: 2014-01-14Copyright © 2014, Juniper Networks, Inc.

configuration into the current candidate configuration. The example does not becomeactive until you commit the candidate configuration.If the example

There are several types of loopback testing supported by the Junos OS, as follows:•DCE local—Loops packets back on the local DCE.•DCE remote—Loops pac

Table 4: Loopback Modes by Interface Type (continued)Usage GuidelinesLoopback ModesInterfaceConfiguring Serial Loopback CapabilityDCE local, DCEremote

To configure BERT, you must configure the duration of the test, the bit pattern to sendon the transmit path, and the error rate to monitor when the in

NOTE: The 12-port T1/E1 Circuit Emulation (CE) PIC supports only thefollowing algorithms: all-ones-repeating Repeating one bits all-zeros-repeatin

NOTE: BERT is supported on the PDH interfaces of the ChannelizedSONET/SDH OC3/STM1 (Multi-Rate) MIC with SFP and the DS3/E3 MIC.The following BERT alg

These limitations do not apply to channelized IQ interfaces. For information about BERTcapabilities on channelized IQ interfaces, see Channelized IQ a

}}Interface Diagnostics Operational Mode CommandsTable 6 on page 92 summarizes the command-line interface (CLI) commands you canuse to run diagnostics

NOTE: For information about how to configure interface test parameters,see the Junos OS Network Interfaces Library for Routing Devices. Forinformation

Copyright © 2014, Juniper Networks, Inc.94E1 Interfaces Feature Guide for Routing Devices

PART 5Index•Index on page 9795Copyright © 2014, Juniper Networks, Inc.

commit {file ex-script-snippet.xsl; }2. Move to the hierarchy level that is relevant for this snippet by issuing the followingconfiguration mode comma

Copyright © 2014, Juniper Networks, Inc.96E1 Interfaces Feature Guide for Routing Devices

IndexSymbols#, comments in configuration statements...xii( ), in syntax descriptions...

technical supportcontacting JTAC...xiiitime slotsE1 interfacesexample configuration...

Table 2: Text and Syntax Conventions (continued)ExamplesDescriptionConvention•A policy term is a named structurethat defines match conditions andactio

Documentation FeedbackWe encourage you to provide feedback, comments, and suggestions so that we canimprove the documentation. You can send your comme

•Join and participate in the Juniper Networks Community Forum:http://www.juniper.net/company/communities/•Open a case online in the CSC Case Managemen

PART 1Overview•E1 Interfaces on page 31Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.2E1 Interfaces Feature Guide for Routing Devices

CHAPTER 1E1 Interfaces•E1 Interfaces Overview on page 3E1 Interfaces OverviewE1 is a standard WAN digital communication format designed to operate ove

Copyright © 2014, Juniper Networks, Inc.4E1 Interfaces Feature Guide for Routing Devices

PART 2Configuration•E1 Interfaces on page 7•Network Interfaces Configuration Statements and Hierarchy on page 15•Statement Summary on page 375Copyrigh

Juniper Networks, Inc.1194 North Mathilda AvenueSunnyvale, California 94089USA408-745-2000www.juniper.netJuniper Networks, Junos, Steel-Belted Radius,

Copyright © 2014, Juniper Networks, Inc.6E1 Interfaces Feature Guide for Routing Devices

CHAPTER 2E1 Interfaces•Configuring E1 Physical Interface Properties on page 7•Configuring E1 BERT Properties on page 7•Configuring the E1 Frame Checks

You can configure an E1 interface or a CE1 or E1 partition on a channelized PIC to executea bit error rate test (BERT) when the interface receives a r

For a list of supported algorithms, enter a ? after the bert-algorithm statement; forexample:[edit interfaces ce1-0/0/0 e1-options]user@host# set bert

To explicitly configure G704 framing, include the framing statement at the [edit interfacesinterface-name e1-options] hierarchy level, specifying the

loopback to be local or remote. With local loopback, the E1 interface can transmit packetsto the CSU, but receives its own transmission back again and

[edit interfaces]e1-1/0/0 {no-keepalives;encapsulation cisco-hdlc;e1-options {loopback local;}unit 0 {family inet {address 10.100.100.1/24;}}}NOTE: To

There are 32 time slots on an E1 interface. Time slot 0 is always reserved for framing andcannot be used to configure a fractional E1 interface.Time s

Copyright © 2014, Juniper Networks, Inc.14E1 Interfaces Feature Guide for Routing Devices

CHAPTER 3Network Interfaces ConfigurationStatements and Hierarchy•[edit interfaces] Hierarchy Level on page 15•[edit logical-systems] Hierarchy Level

Table of ContentsAbout the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixDocumentation and R

(loopback | no-loopback);mc-ae{chassis-id chassis-id;mc-ae-id mc-ae-id;mode (active-active | active-standby);redundancy-group group-id;status-control

(cbr rate | rtvbr peak rate sustained rate burst length | vbr peak rate sustained rateburst length);queue-length number;}}}clocking clock-source;data-

bert-error-rate rate;bert-period seconds;byte-encoding (nx56 | nx64);fcs (16 | 32);idle-cycle-flag (flags | ones);invert-data;loopback payload;start-e

flexible-vlan-tagging;gigether-options {802.3ad aex;(asynchronous-notification | no-asynchronous-notification);(auto-negotiation | no-auto-negotiation

beta number;gamma number;}minimum-links number;symmetry (symmetrical-config-and-operation |symmetrical-config-asymmetrical-operation);test-procedure {

action-red-differential-delay (disable-tx | remove-link);drop-timeout milliseconds;fragment-threshold bytes;cisco-interoperability send-lip-remove-lin

warning warning-name {(syslog | link-down);}}partition partition-number oc-slice oc-slice-range interface-type type;timeslots time-slot-range;passive-

ignore-all;indication (ignore | normal | require);rts (assert | de-assert | normal);tm (ignore | normal | require);}dsr-polarity (negative | positive)

authentication-key key;fast-aps-switch;force;hold-time milliseconds;lockout;neighbor address;paired-group group-name;preserve-interface;protect-circui

crc-minor-alarm-threshold (1e-3 | 5e-4 | 1e-4 | 5e-5 | 1e-5 | 5e-6 | 1e-6);fcs (16 | 32);framing (esf | sf);idle-cycle-flag (flags | ones);invert-data

fcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45framing (E1, E3, a

allow-any-vci;atm-scheduler-map (map-name | default);backup-options {interface interface-name;}bandwidth rate;cell-bundle-size cells;clear-dont-fragme

activation-priority priority;bearer-bandwidth-limit kilobits-per-second;}encapsulation type;epd-threshold cells plp1 cells;fragment-threshold bytes;in

default-pap-password password;local-name name;local-password password;passive;}dynamic-profile profile-name;lcp-max-conf-req number;lcp-restart-timer

access-concentrator name;address address {destination address;}bundle ml-fpc/pic/port | ls-fpc/pic/port);direct-connect;duplicate-protection;dynamic-p

targeted-broadcast {forward-and-send-to-re;forward-only;}(translate-discard-eligible | no-translate-discard-eligible);(translate-fecn-and-becn | no-tr

}}}}RelatedDocumentationJunos OS Hierarchy and RFC Reference•• Ethernet Interfaces• Junos OS Network Interfaces Library for Routing Devices[edit logic

dial-string [ dial-string-numbers ];idle-timeout seconds;initial-route-check seconds;load-threshold number;pool pool;remote-name remote-callers;watch-

plp-to-clp;point-to-point;ppp-options {chap {access-profile name;default-chap-secret name;local-name name;passive;}compression {acfc;pfc;}}dynamic-pro

}bundle interface-name;filter {group filter-group-number;input filter-name;input-list {[ filter-names ];}output filter-name;output-list {[ filter-name

inverse-arp;oam-liveness {up-count cells;down-count cells;}oam-period (seconds | disable);shaping {(cbr rate | rtvbr peak rate sustained rate burst le

List of FiguresPart 2 ConfigurationChapter 2 E1 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Copyright © 2014, Juniper Networks, Inc.36E1 Interfaces Feature Guide for Routing Devices

CHAPTER 4Statement Summary•bert-algorithm on page 38•bert-error-rate on page 40•bert-period on page 42•e1-options on page 43•fast-aps-switch on page 4

bert-algorithmSyntax bert-algorithm algorithm;Hierarchy Level [edit interfaces ce1-fpc/pic/port],[edit interfaces ct1-fpc/pic/port],[edit interfaces i

• pseudo-2e15-o151—Pattern is 215– 1, as defined in the O151 standard.• pseudo-2e17—Pattern is 217– 1.• pseudo-2e18—Pattern is 218– 1.• pseudo-2e20-o1

bert-error-rateSyntax bert-error-rate rate;Hierarchy Level [edit interfaces ce1-fpc/pic/port],[edit interfaces ct1-fpc/pic/port],[edit interfaces inte

• Interface Diagnostics on page 87• Configuring E1 BERT Properties on page 7• Configuring E3 BERT Properties• Configuring T1 BERT Properties• Configur

bert-periodSyntax bert-period seconds;Hierarchy Level [edit interfaces ce1-fpc/pic/port],[edit interfaces ct1-fpc/pic/port],[edit interfaces interface

• Configuring E3 BERT Properties• Configuring T1 BERT Properties• Configuring T3 BERT Properties• bert-algorithm on page 38• bert-error-rate on page 4

fast-aps-switchSyntax fast-aps-switch;Hierarchy Level [edit interfaces interface-name sonet-options aps]Release Information Statement introduced in Ju

fcsSyntax fcs (16 | 32);Hierarchy Level [edit interfaces e1-fpc/pic/port],[edit interfaces t1-fpc/pic/port],[edit interfaces interface-name ds0-option

Copyright © 2014, Juniper Networks, Inc.viE1 Interfaces Feature Guide for Routing Devices

framing (E1, E3, and T1 Interfaces)Syntax framing (g704 | g704-no-crc4 | g.751 | g.832 | unframed | sf | esf);Hierarchy Level [edit interfaces ce1-fpc

idle-cycle-flagSyntax idle-cycle-flag value;Hierarchy Level [edit interfaces e1-fpc/pic/port],[edit interfaces t1-fpc/pic/port],[edit interfaces inter

invert-dataSyntax invert-data;Hierarchy Level [edit interfaces e1-fpc/pic/port],[edit interfaces t1-fpc/pic/port],[edit interfaces interface-name ds0-

loopback (ADSL, DS0, E1/E3, SONET/SDH, SHDSL, and T1/T3)Syntax loopback (local | payload | remote);Hierarchy Level [edit interfaces ce1-fpc/pic/port],

payload—For channelized T3, T1, and NxDS0 IQ interfaces only, loop back data only(without clocking information) on the remote router’s PIC. With paylo

start-end-flagSyntax start-end-flag (filler | shared);Hierarchy Level [edit interfaces e1-fpc/pic/port],[edit interfaces t1-fpc/pic/port],[edit interf

timeslotsSyntax timeslots time-slot-range;Hierarchy Level [edit interfaces e1-fpc/pic/port],[edit interfaces t1-fpc/pic/port],[edit interfaces interfa

• Configuring Fractional E1 Time Slots on page 12• Configuring Fractional T1 Time Slots• Configuring a Channelized T1/E1 Interface to Drop and Insert

Copyright © 2014, Juniper Networks, Inc.54E1 Interfaces Feature Guide for Routing Devices

PART 3Administration•Monitoring Commands on page 5755Copyright © 2014, Juniper Networks, Inc.

List of TablesAbout the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixTable 1: Notice Icons . .

Copyright © 2014, Juniper Networks, Inc.56E1 Interfaces Feature Guide for Routing Devices

CHAPTER 5Monitoring Commands•show interfaces (T1, E1, or DS)57Copyright © 2014, Juniper Networks, Inc.

show interfaces (T1, E1, or DS)Syntax show interfaces interface-type<brief | detail | extensive | terse><descriptions><media><snm

Table 3: T1 or E1 show interfaces Output FieldsLevel of OutputField DescriptionField NamePhysical InterfaceAll levelsName of the physical interface.Ph

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneCurrent active IMA link alar

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneIMA Link Media Status, which

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none(Frame Relay) Settings for L

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none(Frame Relay) Statistics abo

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneNumber of CoS queues configu

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveOutput errors on the interface. The foll

Copyright © 2014, Juniper Networks, Inc.viiiE1 Interfaces Feature Guide for Routing Devices

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveCounts of T1 or E1 media-specific errors

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation about the CESoPSN configurat

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation about the CoS queue for the

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive(Frame Relay) Statistics for traf

Table 3: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation related to the circuit emula

show interfaces (T1, PPP)user@host> show interfaces t1-1/1/0Physical interface: t1-1/1/0, Enabled, Physical link is Up Interface index: 149, SNMP

2 assured-forw 0 0 0 3 network-cont 40 40

CHAP state: Closed CoS queues : 4 supported, 4 in use Last flapped : 2005-12-05 08:43:06 PST (02:13:54 ago) Statistics last cleared: Never

CoS information: CoS transmit queue Bandwidth Buffer Priority Limit % bps % usec 0

DLCI statistics: Active DLCI :0 Inactive DLCI :1show interfaces detail (E1, Frame Relay)user@host> show interfaces e1-3/0/0 detailPhysical

About the Documentation•Documentation and Release Notes on page ix•Supported Platforms on page ix•Using the Examples in This Manual on page ix•Documen

Input packets: 0 Output packets: 0 Local statistics: Input bytes : 0 O

Traffic statistics: Input bytes : 0 0 bps Output bytes : 225 0 bps

Flags: Device-Down Point-To-Point SNMP-Traps Encapsulation: FR-NLPID Traffic statistics: Input bytes : 0 Output by

FE-Rx-UUS 0 FE-Tx-UUS 0show interfaces extensive (T1, TDM-CCC-SATOP)user@host>show interfaces t1-1/0/0

Jitter buffer: packets: 8, latency: 7 ms, auto adjust: Disabled Excessive packet loss rate: sample period: 10000 ms, threshold: 30% DS1 BERT c

Link-level type: TDM-CCC-CESoPSN, MTU: 1504, Speed: 1536kbps, Loopback: None, FCS: 16, Parent: ct1-1/0/0:1:1 Interface index 153 Device flags : P

Protocol ccc, MTU: 1504, Generation: 857, Route table: 0 Flags: Is-Primary Copyright © 2014, Juniper Networks, Inc.82E1 Inter

PART 4Troubleshooting•Interface Diagnostics on page 8583Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.84E1 Interfaces Feature Guide for Routing Devices

CHAPTER 6Interface Diagnostics•Interface Diagnostics on page 85•Interface Diagnostics Operational Mode Commands on page 92Interface DiagnosticsYou can