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Junos®OSChannelized E1 Interfaces Feature Guide forRouting DevicesRelease13.3Published: 2014-01-13Copyright © 2014, Juniper Networks, Inc.

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

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

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

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

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 99Copyright © 2014, Juniper Networks, Inc.Chapter

Copyright © 2014, Juniper Networks, Inc.100Channelized E1 Interfaces Feature Guide for Routing Devices

CHAPTER 6Command Summaries•Channelized E1 Interface Operational Mode Commands on page 101Channelized E1 Interface Operational Mode CommandsTable 6 on

Copyright © 2014, Juniper Networks, Inc.102Channelized E1 Interfaces Feature Guide for Routing Devices

PART 4Troubleshooting•Interface Diagnostics on page 105103Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.104Channelized E1 Interfaces Feature Guide for Routing Devices

CHAPTER 7Interface Diagnostics•Interface Diagnostics on page 105Interface DiagnosticsYou can use two diagnostic tools to test the physical layer conne

•Local—Useful for troubleshooting physical PIC errors. Configuring local loopback onan interface allows transmission of packets to the channel service

Table 7: Loopback Modes by Interface Type (continued)Usage GuidelinesLoopback ModesInterfaceConfiguring T1 Loopback Capability andConfiguring T3 Loopb

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

[edit interfaces interface-name interface-type-options]bert-algorithm algorithm;bert-error-rate rate;bert-period seconds;By default, the BERT period i

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

}}Copyright © 2014, Juniper Networks, Inc.112Channelized E1 Interfaces Feature Guide for Routing Devices

PART 5Index•Index on page 115113Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.114Channelized E1 Interfaces Feature Guide for Routing Devices

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

loopback statementADSL, DS0, E1/E3, SONET/SDH, SHDSL, andT1/T3...48loopback

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

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

CHAPTER 1Channelized E1 Interfaces•Channelized E1 IQ and IQE Interfaces Overview on page 3Channelized E1 IQ and IQE Interfaces OverviewEach Channelize

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

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

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

CHAPTER 2Channelized E1 Interfaces•Configuring Channelized E1 IQ and IQE Interfaces on page 7•Configuring Channelized E1 Interfaces on page 9•Example:

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

2. Configure the number of time slots allocated to the E1 IQ or IQE interface by includingthe timeslots statement at the [edit interfaces e1-fpc/pic/p

Configuring Channelized E1 InterfacesBy default, all the time slots on a channelized E1 interface are used. There can be amaximum of 24 channel groups

Table 3: Ranges for Channelized E1 ConfigurationRangeOptionItem0 through 7(see note below)slot-numberFPC slot0 through 3pic-numberPIC slot0 through 9l

loopback payload;start-end-flag (filler | shared);}For DS0 channels on a channelized E1 interface, the clocking statement is supported onlyfor channel

[edit]interfaces {ce1-1/2/6 {no-partition interface-type e1; # e1-1/2/6}e1-1/2/6 {e1-options {timeslots 1-2;}unit 0 {family inet {address 10.255.126.2

ds-0/1/4:10, with time slots 11, 17, and 28 through 31 allocatedThe remaining ports (other than 0 and 4) remain as regular E1 interfaces (and follow t

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

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

channel-group group-number;timeslots time-slot-range;}}ct3 {port port-number {t1 link-number {channel-group group-number;timeslots time-slot-range;}}f

(flow-control | no-flow-control);lacp {(active | passive);link-protection {disable;(revertive | non-revertive);periodic interval;system-priority prior

Table of ContentsAbout the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiDocumentation and

}use-null-cw;vpi vpi-identifier {maximum-vcs maximum-vcs;oam-liveness {down-count cells;up-count cells;}oam-period (seconds | disable);shaping {(cbr r

transmit-clock invert;}description text;alias alias-name;dialer-options {pool pool-name <priority priority>;}disable;ds0-options {bert-algorithm

mpls {pop-all-labels {required-depth number;}}source-address-filter {mac-address;}(source-filtering | no-source-filtering);}flexible-vlan-tagging;gige

}}}(gratuitous-arp-reply | no-gratuitous-arp-reply);hold-time up milliseconds down milliseconds;ima-group-options {differential-delay number;frame-len

t392dce seconds;}lsq-failure-options {no-termination-request;[ trigger-link-failure interface-name ];}mac mac-address;mlfr-uni-nni-bundle-options {ack

trigger (oc-lof | oc-lom | oc-los | oc-wavelength-lock | odu-ais | odu-bbe-th | odu-bdi| odu-es-th | odu-lck | odu-oci | odu-sd | odu-ses-th | odu-tti

clock-rate rate;clocking-mode (dce | internal | loop);control-polarity (negative | positive);cts-polarity (negative | positive);dcd-polarity (negative

loopback (local | remote);snr-margin {current margin;snext margin;}}sonet-options {aggregate asx;aps {advertise-interval milliseconds;annex-b;authenti

speed (10m | 100m | 1g);link-mode (full-duplex | half-duplex);}}t1-options {bert-algorithm algorithm;bert-error-rate rate;bert-period seconds;buildout

policer {input cos-policer-name;output cos-policer-name;}}}accounting-profile name;advisory-options {downstream-rate rate;upstream-rate rate;}allow-an

idle-cycle-flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45interface-type (Interfaces

redial-delay time;watch-list {[ routes ];}}}disable;disable-mlppp-inner-ppp-pfc;dlci dlci-identifier;drop-timeout milliseconds;dynamic-call-admission-

ppp-options {chap {access-profile name;default-chap-secret name;local-name name;passive;}compression {acfc;pfc;pap;default-pap-password password;local

vlan-id-list [vlan-id vlan-id–vlan-id];vlan-id-range number-number;vlan-tags inner tpid.vlan-id outer tpid.vlan-id;vlan-tags-outer tpid.vlan-id inner-

input {service-set service-set-name <service-filter filter-name>;post-service-filter filter-name;}output {service-set service-set-names <serv

priority-hold-time interface-name {bandwidth-threshold bits-per-second {priority;}interface priority;}route ip-address/mask routing-instance instance-

}}compression-device interface-name;description text;interface {l2tp-interface-id name;(dedicated | shared);}dialer-options {activation-delay seconds;

}oam-period (seconds | disable);output-vlan-map {inner-tag-protocol-id;inner-vlan-id;(pop | pop-pop | pop-swap | push | push-push | swap | swap-swap);

vlan-id number;vlan-id-list [vlan-id vlan-id–vlan-id]vlan-tags inner tpid.vlan-id outer tpid.vlan-id;vlan-tags outer tpid.vlan-id inner-list [vlan-id

unnumbered-address interface-name destination address destination-profileprofile-name;address address {arp ip-address (mac | multicast-mac) mac-addres

RelatedDocumentation• Junos OS Hierarchy and RFC Reference• Ethernet Interfaces• Junos OS Network Interfaces Library for Routing Devices37Copyright ©

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

Copyright © 2014, Juniper Networks, Inc.38Channelized E1 Interfaces Feature Guide for Routing Devices

CHAPTER 4Statement Summary•byte-encoding on page 40•e1-options on page 41•fast-aps-switch on page 42•fcs on page 43•framing (E1, E3, and T1 Interfaces

byte-encodingSyntax byte-encoding (nx56 | nx64);Hierarchy Level [edit interfaces t1-fpc/pic/port],[edit interfaces interface-name ds0-options],[edit i

e1-optionsSyntax e1-options {bert-algorithm algorithm;bert-error-rate rate;bert-period seconds;fcs (16 | 32);framing (g704 | g704-no-crc4 | unframed);

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

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

interface-type (Interfaces)Syntax interface-type (bc | coc1 | ct1 | ct3 | dc | ds |so | t1 | t3);Hierarchy Level [edit interfaces interface-range name

Required PrivilegeLevelinterface—To view this statement in the configuration.interface-control—To add this statement to the configuration.RelatedDocum

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

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

partitionSyntax partition partition-number oc-slice oc-slice-range interface-type type timeslotstime-slot-range;Hierarchy Level [edit interfaces inter

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• Configuring Fractional T1 Time Slots• Configuring a Channelized T1/E1 Interface to Drop and Insert Time Slots5

no-partitionSyntax no-partition interface-type (e1 | (cau4 | so) | (ct3 | t3) | so | t3);Hierarchy Level [edit interfaces ce1-fpc/pic/port],[edit inte

• Configuring Channelized STM1 IQ and IQE Interfaces• Configuring T3 IQ Interfaces• partition on page 50• no-partition55Copyright © 2014, Juniper Netw

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

PART 3Administration•Monitoring Commands on page 59•Command Summaries on page 10157Copyright © 2014, Juniper Networks, Inc.

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

Copyright © 2014, Juniper Networks, Inc.58Channelized E1 Interfaces Feature Guide for Routing Devices

CHAPTER 5Monitoring Commands•show interfaces (Channelized E1)•show interfaces (Channelized E1 IQ)•show interfaces (T1, E1, or DS)59Copyright © 2014, J

show interfaces (Channelized E1)Syntax show interfaces ds-fpc/pic/port:ds0channel<brief | detail | extensive | terse><descriptions><med

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField NameAll levelsEncapsulati

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensiveNumbe

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveOutput error

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveActive alarm

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none

If the example configuration contains the top level of the hierarchy (or multiplehierarchies), the example is a full example. In this case, use the lo

Table 4: Channelized E1 and Channelized E1 IQ show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensiveNumbe

Physical interface: ds-0/1/1:1, Enabled, Physical link is Down Interface index: 163, SNMP ifIndex: 37, Generation: 46 Link-level type: PPP, MTU: 150

% bps % usec 0 best-effort 95 1945600 95 0 low none 3 network-control 5 10

show interfaces (Channelized E1 IQ)Syntax show interfaces (ce1-fpc/pic/port | type-fpc/pic/port<:channel>)<brief | detail | extensive | terse

LMI: Input: 51700 (00:00:02 ago), Output: 51701 (00:00:02 ago) DTE statistics: Enquiries sent : 43186 Full enquiries sent

DS0 BERT configuration: BERT time period: 10 seconds, Elapsed: 0 seconds Induced Error rate: 10e-0, Algorithm: 2^15 - 1, O.151, Pseudorandom (

DS0 BERT configuration: BERT time period: 10 seconds, Elapsed: 0 seconds Induced Error rate: 10e-0, Algorithm: 2^15 - 1, O.151, Pseudorandom (

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

Table 5: T1 or E1 show interfaces Output FieldsLevel of OutputField DescriptionField NamePhysical InterfaceAll levelsName of the physical interface.Ph

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneCurrent active IMA link alar

2. Move to the hierarchy level that is relevant for this snippet by issuing the followingconfiguration mode command:[edit]user@host# edit system scrip

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneIMA Link Media Status, which

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none(Frame Relay) Settings for L

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive none(Frame Relay) Statistics abo

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive noneNumber of CoS queues configu

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveOutput errors on the interface. The foll

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveCounts of T1 or E1 media-specific errors

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation about the CESoPSN configurat

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation about the CoS queue for the

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField Namedetail extensive(Frame Relay) Statistics for traf

Table 5: T1 or E1 show interfaces Output Fields (continued)Level of OutputField DescriptionField NameextensiveInformation related to the circuit emula