Cisco MWR 2941, MWR 2941-DC, MWR 2941-DC-A Command Reference Manual

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Cisco MWR 2941 Router Command Reference

Release 15.0(1)MR March 2011

Text Part Number: OL-23890-01

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CONTENTS

About This Guide xv

Document Revision History xv Objectives xv Audience xv Conventions xvi Related Documentation xvi Obtaining Documentation and Submitting a Service Request xvii

Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR 1-1

ais 1-11 alarm 1-13 atm ilmi-keepalive 1-15 atm vc-per-vp 1-16 backup delay 1-18 backup peer 1-20 bandwidth (policy-map class) 1-22 bfd all-interfaces 1-25 bfd interval 1-27 cbr 1-29 cdp enable 1-31 cem-group 1-33 class (policy-map) 1-35 class cem 1-39 class-map 1-41 class-map ty pe co nt ro l 1-44 class-map ty pe tra ffic 1-46 clear ethernet cfm ais 1-48 clear ethernet cfm errors 1-50 clear ethernet cfm maintenance-points remote 1-52 clear ethernet cfm statistics 1-54 clear ethernet cfm traceroute-cache 1-55

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clear ip rtp header-compression 1-56

clear l2protoc ol-tunnel counters 1-57 clear link-protection statistics 1-58 clear pw-udp vc counters 1-59 clear spanning-tree counters 1-60 clear spanning-tree detected-protocols 1-61 clear switch tail-drop accounting 1-63 clock update-ca lendar 1-64 cns config initial 1-65 cns config partial 1-68 cns config retrieve 1-71 cns event 1-74 cns exec 1-77 cns id 1-79 cns image password 1-82 cns image retrieve 1-83 cns inventory 1-85 cns password 1-86 cns template connect 1-87 cns trusted-server 1-89 continuity-check 1-91 controller 1-93 controller shdsl 1-95 cos (CFM) 1-97 dejitter-buffer 1-98 disable (CFM-AIS-link) 1-99 dot1q tunneling ethertype 1-100 encapsulat io n (A T M ) 1-102 encapsulat io n ud p (pw -c l a s s) 1-104 esmc mode 1-105 esmc mode ql-disabled 1-106 esmc process 1-107

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ethernet cfm ais link-status 1-108 ethernet cfm ais link-status global 1-109 ethernet cfm alarm 1-110 ethernet cfm cc en a bl e le ve l vlan 1-112 ethernet cfm do m ai n le ve l 1-114 ethernet cfm en ab le 1-116 ethernet cfm enable (interface) 1-117 ethernet cfm global 1-119 ethernet cfm ieee 1-120 ethernet cfm interface 1-121 ethernet cfm logging 1-122 ethernet cfm mep crosscheck 1-124 ethernet cfm mep crosscheck start-delay 1-126 ethernet cfm mep domain mpi d 1-127 ethernet cfm mip 1-129 ethernet cfm mi p le ve l 1-131 ethernet cfm trac eroute cache 1-133 ethernet cfm trac eroute cache hold-time 1-134 ethernet cfm trac eroute cache size 1-136 ethernet lmi 1-138 ethernet lmi global 1-140 ethernet lmi inte rf ac e 1-141 ethernet oam 1-142 ethernet oam link -monitor frame 1-144 ethernet oam link -monitor frame-period 1-146 ethernet oam link -monitor frame-secon ds 1-148 ethernet oam link-monitor high-threshold action 1-150 ethernet oam link -monitor on 1-152 ethernet oam link-monitor receive-crc 1-153 ethernet oam link-monitor supported 1-155 ethernet oam link-monitor transmit-crc 1-157 ethernet oam mi b lo g si ze 1-159 ethernet oam remote-failure action 1-160 ethernet oam remote-loopback 1-161 ethernet oam remote-loopback (interface) 1-163

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fair-queue (class-default) 1-165 fair-queue (policy-map class) 1-167 id (CFM) 1-169 idle-pattern 1-170 ima-group 1-172 instance (VLAN ) 1-174 interface atm ima 1-176 ip cef load-sharing algorithm 1-178 ip load-sharing 1-180 ip local interface 1-182 ip multicast-routing 1-184 ip ospf bfd 1-186 ip pim 1-188 ip pim rp-address 1-191 ip rtp header-compression 1-193 ip tcp header-comp ression 1-195 keepalive 1-198 l2protocol-tunnel 1-200 l2protocol-tunnel drop-thresho ld 1-202 l2protocol-tunnel shutdown-threshold 1-204 level (CFM-AIS-link) 1-206 link-protection enable 1-207 link-protection group 1-208 link-protection group pccm vlan 1-210 link-protection management vlan 1-211 load-interval 1-212 mac-address-table learning 1-214 match any 1-216 match atm clp 1-218 match cos 1-220 match dscp 1-222 match ip dscp 1-224 match mpls experimental 1-226 match prece de n ce 1-228 match qos-g ro up 1-231

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match vlan (QoS ) 1-233 maximum meps 1-235 mep archive hold -time 1-236 mep crosscheck mpid vlan 1-238 mep mpid 1-240 mip auto-create 1-241 mode (ATM/T1/E1 controller) 1-242 mpls ip (global configuration) 1-245 mpls ip (interfac e co n fig uration) 1-247 mpls ldp router- i d 1-249 name (MST) 1-252 neighbor (OSPF) 1-254 neighbor remo te -a s (B G P) 1-257 network-clock clear wait-to-restore 1-260 network-clock eec 1-261 network-clock external hold-off 1-262 network-clock hold-off 1-263 network-clock hold-off global 1-264 network-clock input-source 1-265 network-clock output-source 1-267 network-clock output-source line 1-269 network-clock quality-level 1-271 network-clock revertive 1-273 network-clock so urce quality-level 1-274 network-clock synchronization automatic 1-275 network-clock synchronization mode ql-enabled 1-276 network-clock synchronization participate 1-277 network-clock synchronization ssm option 1-278 network-clock wait-to-restore 1-279 network-clock wait-to-restore global 1-280 network-clock-select 1-281 network-cl oc k -select hold-tim e o ut 1-283 network-cl oc k -select hold-of f-t im e out 1-284 network-cl oc k -select input-s tra tum4 1-285 network-cl ock-select mod e 1-286

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network-cl oc k-select wait- t o -r es tore-timeout 1-287 payload-size 1-288 period (CFM-AIS -l in k) 1-290 ping ethernet 1-291 ping ethernet mpid vlan 1-293 ping ethernet vlan 1-294 police (percent) 1-296 police (policy map) 1-301 police (two rates) 1-306 police rate (control-plane) 1-312 policy-map 1-316 preferred-path 1-319 priority 1-320 private-vlan synchronize 1-323 protocol (ATM) 1-325 pseudowire-class 1-328 ptp announce 1-330 ptp boundary 1-331 ptp clock-destination 1-333 ptp clock-sourc e 1-334 ptp delay-req interval 1-336 ptp delay-req unicast 1-338 ptp domain 1-340 ptp enable 1-341 ptp input 1-342 ptp master 1-343 ptp min-timing-pkt-size 1-345 ptp mode 1-346 ptp output 1-347 ptp priority1 1-349 ptp priority2 1-350 ptp slave 1-351 ptp sync interval 1-353 ptp tod 1-355 ptp two-steps 1-356

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ptp update-cale ndar 1-357 ql-enabled rep segment 1-358 queue-limit 1-359 recovered- clock slave 1-362 recovered- cl ock recovered 1-363 rep admin vlan 1-364 rep block port 1-366 rep lsl-age-timer 1-369 rep lsl-retries 1-370 rep preempt delay 1-371 rep preempt segment 1-373 rep segment 1-374 rep stcn 1-377 revision 1-379 router bgp 1-380 router isis 1-385 router ospf 1-388 sabit 1-390 sender-id (CFM-srv) 1-391 service (CFM-srv) 1-392 service-policy 1-394 service-policy (class-map) 1-397 service-policy (policy-map class) 1-399 service-pol ic y ty pe co ntrol 1-401 set atm-clp 1-403 set cos 1-405 set cos-inner 1-408 set cos-inner cos 1-410 set discard-class 1-412 set dscp 1-414 set fr-de 1-417 set ip dscp 1-419 set ip dscp (policy-map configuration) 1-420 set ip dscp tunnel 1-422 set ip precedence (policy-map configuration) 1-424

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set ip precedence (policy-map) 1-426 set ip precedence (route-map) 1-427 set ip precedence tunnel 1-429 set ip tos (route-map) 1-431 set network-clocks 1-433 set precedence 1-434 set qos-group 1-437 shape 1-440 shape (percent) 1-442 shape (policy-map class) 1-445 shape max-buffer s 1-448 shdsl annex 1-450 shdsl rate 1-452 show 1-454 show adjacency 1-456 show atm cell-packing 1-459 show cem circuit 1-460 show cem platform 1-462 show connection 1-464 show controller 1-466 show cns config conne ctions 1-468 show cns config outs tanding 1-469 show cns config stats 1-470 show cns event connect ions 1-472 show cns event stats 1-474 show cns event subject 1-476 show cns image connections 1-478 show cns image inventory 1-479 show cns image status 1-480 show dot1q-tunnel 1-482 show dsl interface atm 1-484 show esmc 1-488 show ethernet cfm domain 1-489 show ethernet cfm errors 1-492 show ethernet cfm maintenance-points local 1-496

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show ethernet cfm maintenance-points remote 1-499 show ethernet cfm maintenance-points remote crosscheck 1-502 show ethernet cfm main tenance-points remote detail 1-504 show ethernet cfm mpdb 1-507 show ethernet cfm smep 1-509 show ethernet cfm statistics 1-511 show ethernet cfm traceroute-cache 1-513 show ethernet lmi 1-515 show ethernet oam discovery 1-521 show ethernet oam statistics 1-524 show ethernet oam status 1-527 show ethernet oam summary 1-530 show interface accounting 1-532 show interface rep 1-533 show interface switchport backup 1-535 show ip cef exact-route 1-536 show ip mroute 1-538 show ip rtp header-compression 1-542 show ip tcp header-c ompression 1-544 show l2protocol-tunnel 1-547 show link-protection 1-549 show link-protection statistics 1-551 show mac-address-table learning 1-553 show mpls l2transport vc 1-555 show network-clocks 1-561 show network-clocks synchronization 1-563 show platform hardware 1-565 show policy-map 1-566 show policy-map interface 1-574 show ppp multilink 1-593 show ptp clock 1-595 show ptp foreign-master-record 1-596 show ptp parent 1-597 show ptp port 1-598 show ptp time-property 1-599

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show pw-udp vc 1-600 show rep topology 1-602 show spanning-tree mst 1-605 show xconnect 1-610 signaling 1-614 snmp-server enable traps ethernet cfm alarm 1-615 snmp-server enable traps ethernet cfm cc 1-616 snmp-server enable traps ethernet cfm crosscheck 1-619 spanning-tree bpdufilter 1-622 spanning-tree bpduguard 1-624 spanning-tree guard 1-626 spanning-tree link-type 1-627 spanning-tree loopguard default 1-628 spanning-tree mode 1-629 spanning-tree mst 1-631 spanning-tree mst configuration 1-633 spanning-tree mst forward-time 1-635 spanning-tree mst hello-time 1-636 spanning-tree mst max-age 1-637 spanning-tree mst max-hops 1-638 spanning-tree mst priority 1-639 spanning-tree mst root 1-640 spanning-tree portfast (interface) 1-642 spanning-tree portfast bpdufilt er default 1-644 spanning-tree po rtfast bpduguard default 1-646 spanning-tree portfast default 1-647 ssm 1-649 switch l2trust 1-650 switch tail-drop accounting 1-651 switchport access vlan 1-653 switchport backup 1-655 switchport mode 1-657 switchport priority default 1-659 switchport priority override 1-660 switchport stacking-partner 1-661

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switchport vlan mapping 1-662 switchport vlan mapping enable 1-664 synchronous mode 1-666 termination 1-667 traceroute ethernet 1-668 tunnel destination 1-670 tunnel source 1-672 tx-limit 1-674 ubr+ 1-676 udp port 1-679 vbr-nrt 1-681 vbr-rt 1-684 xconnect 1-687 xconnect logging redundancy 1-689

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About This Guide

This section describes the objectives, audience, organization, and conventions of this software command reference. It contains the following sections:

• Document Revision History, page xv

• Objectives, page xv

• Audience, page xv

• Conventions, page xvi

• Related Document ation , page xvi

• Obtaining Documentation and Submitting a Service Request, page xvii

Document Revision History

The Document Revision History table below records techn ical cha nges to this doc ument .

Objectives

This guide explains how to use the Comm and Line Interfac e on the Cisco M WR 2941-D C and MWR 2941-DC-A router s. Unless otherwise stated , features describe d in this guid e appl y to both the Cisco MWR 2941-DC a nd the Ci sco MWR 2941 -DC- A.

Audience

This publication is for th e perso n respons ible for con figuring the router. This guide is intended for the following audiences:

• Customers with technica l networking ba ckgro und and experi ence

Document Number Date Change Summary

OL-23890-01 March 2 011 Updated for Relea se 1 5.0 (2) MR. OL-23890-01 Decemb er 20 10 Initial release for Rele ase 15.0 (1) M R.

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About This Guide

• System administrators who are f am ili ar with the fundamentals of router-b ased inte rnetworking, but

who may not be familiar with Cisco IOS soft ware

• System administrators who are responsible for installing and configuring inter networkin g

equipment, and who are familiar with Cisco IOS software

Conventions

This publication uses the following conventions to convey instructions and informa tion.

Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the

manual.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

Tip Means the following information will help you solve a problem. The tips information migh t no t be

troubleshooting or even an a ction, but co ul d be use ful inf orm ati on, si milar to a Timesaver.

Caution Means reader b e c areful. In this situation, you might do something that could result in equipment

damage or loss of data.

Related Documentation

The following list includes doc umenta tion rel ated to your product by imple mentat ion.

• Cisco MWR 2941 M obile Wireless Edge Ro uter Doc ume nts

–

Cisco MWR 2941 Mobil e Wireless Edge Router Software Configuration Guide, Re leas e

15.0(1)MR

Convention Description

boldface font Commands and keywords.

italic font Variables for which you supply values. [ ] Keywords or arguments that appear with in square b rackets are optiona l. {x | y | z} A choice of required keywords appears in brac es separat ed by vertical bars. You must select one.

screen font

Examples of informati on displaye d on the scree n.

boldface screen

font

Examples of information the user enters.

< > Nonprinting characters, for example passwords, appear in angle brackets. [ ] Default responses to system prompts ap pear in square brackets .

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About This Guide

–

Cisco MWR 2941 Mobil e Wireless Edge Router Hardware Installation Guide

–

Regulatory Compliance and Safety Inform ation for the Ci sco MWR 2941 Route rs

• Cisco Interface Card s In stal la tion G uid es

–

Quick Start Guide: Interface Cards

–

Cisco Interface Card s In stall atio n Gui de

• Release Notes

–

Release Notes for Cisco MWR 2941 Mobile Wireless Edge Router for Cisco IOS Release

15.0(1)MR

Note To obtain the latest inform ation, acce ss the online documen tation.

Obtaining Documentation and Su bmitting a Service Reque st

For information on obtaining docume ntatio n, submittin g a service request, an d gatherin g additiona l information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco techni cal do cume nta tio n, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What’s New in Cisco Product Documentation as an RSS feed and set content to be delivered directly to your desktop using a reader application. T he RSS feeds are a free s ervice. Cisco currently supports RSS Version 2.0.

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Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR

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Cisco MWR 2941 Rou ter Command Refe rence, Release 15.0(1)MR

This document c on tains an al phabe ti cal l ist ing of new and revised com ma nds spec ific to the Cisco MWR 2941 ro uter.

Note For a general reference for Cisco IOS, see the documentation for Cisco IOS Software Releases 15.0. The

Cisco MWR 2941 doe s not nece ssa rily su ppo rt a ll o f th e comm an ds li ste d in t he 1 5.0 do cu ment atio n.

• ais

• alarm

• atm ilmi- keep al ive

• atm vc-per-vp

• backup delay

• backup peer

• bandwidth (policy-map class)

• bfd all-interfaces

• bfd interval

• cbr

• cdp enable

• cem-group

• class (policy-map)

• class cem

• class-map

• class-map type c ontro l

• class-map type traffic

• clear ethernet cfm ais

• clear ethernet cfm error s

• clear ethernet cfm maintenance-points remote

• clear ethernet cfm statistics

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• clear ethernet cfm traceroute-cache

• clear ip rtp header-compression

• clear l2proto co l-tunn el co unte rs

• clear link-protection statistics

• clear pw-udp vc counters

• clear spanning -t ree c oun ters

• clear spanni ng-t re e de t ect ed-p rot oc ols

• clear switch ta il -drop ac coun tin g

• clock update-c al en dar

• cns config initial

• cns config partial

• cns config retrieve

• cns event

• cns exec

• cns id

• cns image pas sword

• cns image re tri eve

• cns inventory

• cns password

• cns template connect

• cns trusted-server

• continuity-check

• controller

• controller shdsl

• cos (CFM)

• dejitter-buffer

• disable (CFM-AIS-link)

• dot1q tunneling et hert ype

• encapsulation (ATM)

• encapsulation ud p (pw-class )

• esmc mode

• esmc mode ql-disabled

• esmc process

• ethernet cfm ais link-status

• ethernet cfm ais link-status gl obal

• ethernet cfm alarm

• ethernet cfm cc enable level vlan

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• ethernet cfm domain level

• ethernet cfm enable

• ethernet cfm enable (interface)

• ethernet cfm global

• ethernet cfm ieee

• ethernet cfm interface

• ethernet cfm logging

• ethernet cfm mep crosscheck

• ethernet cfm mep crosscheck start-delay

• ethernet cfm mep domain mpid

• ethernet cfm mip

• ethernet cfm mip level

• ethernet cfm traceroute cache

• ethernet cfm traceroute cache hold-time

• ethernet cfm traceroute cache size

• ethernet lmi

• ethernet lmi global

• ethernet lmi interface

• ethernet oam

• ethernet oam link-monitor frame

• ethernet oam link-monitor frame-period

• ethernet oam link-monitor frame-seconds

• ethernet oam link-mon itor hi gh-thre shold actio n

• ethernet oam link-monitor on

• ethernet oam link-monitor receive-crc

• ethernet oam link-mon itor suppo rted

• ethernet oam link-monitor transmit-crc

• ethernet oam mib log size

• ethernet oam remote-failure action

• ethernet oam remo te-loopb ack

• ethernet oam remote -loopb ack (int erface )

• fair-queue (class-default)

• fair-queue (policy-map class)

• id (CFM)

• idle-pattern

• ima-group

• instance (VLA N)

• interface atm ima

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• ip cef load-sharing algorithm

• ip load-sharing

• ip local interface

• ip multicast-routing

• ip ospf bfd

• ip pim

• ip pim rp-address

• ip rtp header-compression

• ip tcp header-compr ession

• keepalive

• l2protocol-tunnel

• l2protocol-tunnel drop- thresho ld

• l2protocol-tunnel shutd own-threshold

• level (CFM-AIS-link)

• link-protection group

• link-protection g rou p pcc m vlan

• link-protection management vlan

• load-interval

• mac-address-table learning

• match any

• match atm clp

• match cos

• match dscp

• match ip dscp

• match mpls experimental

• match precedence

• match qos-group

• match vlan (QoS)

• maximum meps

• mep archive hold-time

• mep crosscheck mpid vl an

• mep mpid

• mip auto-create

• mode (ATM/T1/E1 contr oll er)

• mpls ip (global configuration)

• mpls ip (interface configurati on)

• mpls ldp router-id

• name (MST)

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• neighbor (OSPF)

• neighbor remote-as (BGP )

• network-clock clear wait-to-restore

• network-clock eec

• network-clock external hold-off

• network-clock hold-off

• network-clock hold-off global

• network-clock input-source

• network-clock out put-s our ce

• network-clock out put-s our ce l ine

• network-clock quality-level

• network-clock revertive

• network-clock source quality-level

• network-clock synchro ni zati on au t omat ic

• network-clock synchroniza tion mode ql -enable d

• network-clock synchro ni zati on pa rti cip ate

• network-clock synchronizati on ssm option

• network-clock wait-to-restore

• network-clock wait-to-restore global

• network-clock-select

• network-clock-select hold-timeout

• network-clock-select hold-off-timeout

• network-clock-select input-stratum4

• network-clock-select m ode

• network-clock-select wait-to-restore-timeout

• payload-size

• period (CFM-AIS -li nk )

• ping ethernet

• ping ethernet m pi d vlan

• ping ethernet vl an

• police (percent )

• police (policy map)

• police (two rates)

• police rate (control -plane)

• policy-map

• preferred-path

• priority

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• private-vlan synchronize

• protocol (ATM)

• pseudowire-class

• ptp announce

• ptp boundary

• ptp clock-destinatio n

• ptp clock-source

• ptp delay-req interval

• ptp delay-req unicast

• ptp domain

• ptp enable

• ptp input

• ptp master

• ptp min-timing-pkt-size

• ptp mode

• ptp output

• ptp priority1

• ptp priority2

• ptp slave

• ptp sync interval

• ptp tod

• ptp two-steps

• ptp update-calend ar

• ql-enabled rep segment

• queue-limit

• recovered-clock slave

• recovered-clock recovered

• rep admin vlan

• rep block port

• rep lsl-ag e-t ime r

• rep preempt delay

• rep preempt segment

• rep segment

• rep stcn

• revision

• router bgp

• router isis

• router ospf

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• sabit

• sender-id (CFM-srv)

• service-policy

• service-policy (class-map)

• service-policy (policy-map class)

• service-policy type control

• set atm-clp

• set cos

• set cos-inner

• set cos-inner cos

• set discard-class

• set dscp

• set fr-de

• set ip dscp

• set ip dscp (pol icy-map c onfigurati on )

• set ip dscp tunnel

• set ip precedence (policy-map configuration)

• set ip precedence (policy-map)

• set ip precedence (route-map)

• set ip precedence tunnel

• set ip tos (route-map)

• set network-clocks

• set preceden ce

• set qos-group

• shape

• shape (percent)

• shape (policy-map class)

• shape max-buffers

• shdsl annex

• shdsl rate

• show

• show adjacency

• show atm cell-packing

• show cem circuit

• show cem platform

• show connection

• show controller

• show cns config connections

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• show cns config outstanding

• show cns config stats

• show cns event connecti ons

• show cns event stats

• show cns event subject

• show cns image connect ion s

• show cns image inventory

• show cns image status

• show dot1q-tunnel

• show dsl interface atm

• show esmc

• show ethernet cfm doma in

• show ethernet cfm erro rs

• show ethernet cfm maintenance-points local

• show ethernet cfm maintenance-points remote

• show ethernet cfm maintenance-points remote crosscheck

• show ethernet cfm maintenance-points remote detail

• show ethernet cfm mpdb

• show ethernet cfm sme p

• show ethernet cfm stat ist ics

• show ethernet cfm traceroute-cache

• show ethernet lmi

• show ethernet oam discovery

• show ethernet oam statistics

• show ethernet oam status

• show ethernet oam summa ry

• show interface accounting

• show interface rep

• show interface switchport backup

• show ip cef exact-route

• show ip mroute

• show ip rtp header-compression

• show ip tcp header-compression

• show l2protocol-tunnel

• show link-protection

• show link-protection statistics

• show mac-address-table learning

• show mpls l2transport vc

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• show network-clocks

• show network-clocks synchronization

• show platform hardware

• show policy-map

• show policy-map interface

• show ppp multilink

• show ptp clock

• show ptp foreign-master-record

• show ptp parent

• show ptp port

• show ptp time-property

• show pw-udp vc

• show rep topology

• show spanning-tree mst

• show xconnect

• signaling

• snmp-server enable traps ethernet cfm alarm

• snmp-server enable traps ethernet cfm cc

• snmp-server enable traps ethernet cfm crosscheck

• spanning-tree bpdufilter

• spanning-tree bpdu guard

• spanning-tree guard

• spanning-tree link -type

• spanning-tree loo pgu ard defa ult

• spanning-tree mode

• spanning-tree mst

• spanning-tree mst c onfiguratio n

• spanning-tree mst forward-time

• spanning-tree mst hello-time

• spanning-tree mst max-age

• spanning-tree mst m ax -hops

• spanning-tree mst priority

• spanning-tree mst r oot

• spanning-tree port fast (int erfac e)

• spanning-tree portfast bpd ufilter default

• spanning-tree port fast bpd uguar d d efaul t

• spanning-tree portfast de fault

• ssm

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• switch l2trust

• switch tail-drop accounting

• switchport access vlan

• switchport backup

• switchport mode

• switchport priority default

• switchp ort p rior ity overr ide

• switchport stacking-partner

• switchport vlan mapping

• switchport vl an map ping en abl e

• synchronous mode

• termination

• traceroute ethernet

• tunnel destination

• tunnel source

• tx-limit

• ubr+

• udp port

• vbr-nrt

• vbr-rt

• xconnect

• xconnect logging re dunda ncy

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ais

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ais

T o en able the Alarm I ndication Signal (A IS) functi on for a specif ic maintenan ce associat ion, u se the ais command in Ethe rn et CFM se rvic e co nfigurati on mo de . To disable AIS configurati on, use the no fo rm of this command.

Syntax Description

Command Default The AIS function is enabled on specific maintenance associations.

Command Modes Ethernet CFM service configuration ( config-ec fm-srv )

Command History

Usage Guidelines Alarms are suppressed when a MEP goes into an RX AIS (receipt of an AIS frame) defect condition.

When you specify th e level keyword with the ais command, you can transmi t AIS messages to a higher maintenance association without configuring a maintenance intermediate point (MIP) for that maintenance association.

Output of the show running all command shows “ais expi ry-t hres hold 3 .5” wh en t he d efa ult expi ry threshold is configured, “ais period 60” when the default transmission period is configured, and “no ais suppress-alarms” when the default value for the suppress-alarms option is configured .

expiry-threshold (Optional) Configures the expiry threshold . threshold (Optional) Integer from 2 to 255 that is a c ount. If no ME Ps are re ceived

within an interva l of th e th reshold mu ltiplied by the tra nsmission peri od, the MEP clears the AIS defect condition. The default is 3.5.

level (Optional) Indicates a mainten ance le v e l where A IS frames for maintenan ce

endpoints (MEPs) belongi ng to the servic e will be sent.

level-id (Optional) Integer from 0 to 7 that identifies the maintenance level. period (Optional) Configures the AIS transmission period for all MEPs in the

maintenance association.

seconds (Optional) Integer value 1 or 60 that indicates the AIS tr ansmission pe riod

in seconds. The default is 60.

suppress-alarms (Optional) Configures alarm supp ression.

Release Modification

15.0(1)XA This command was introd uced.

12.2(33)SRE This command was integrated into Cisco IO S Relea se 12.2(33) SRE.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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Examples The following example sh ows how to en able th e AIS f unc tion at l evel 5 with a t ran smi ssion peri od o f

one second:

Router(config)# ethernet cfm domain operatorA level 5 Router(config-ecfm)# service vlan-id 10 port Router(config-ecfm-srv)# ais period 1 Router(config-ecfm-srv)# ais level 5

Related Commands Command Description

ethernet cfm global Enables connectivity fault management (CFM) globally on a device.

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alarm

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alarm

To configure an alarm when fault alarms are enabled, use the alarm command in Ethernet connectivity fault management ( CFM ) in terfa ce con figurat ion mod e. To remove the configuration, use th e no form of this command.

alarm {delay msecond s | no tification {all | error-xcon | mac-remote-error-xcon | none |

remote-error-xcon | xcon} | rese t mseconds }

no alarm {delay | notification {al l | error-xcon | mac-remo te-e rror-xcon | non e |

remote-error-xcon | xcon} | rese t}

Syntax Description

Command Default Alarms are disabled.

Command Modes Ethernet CFM interface configura tion ( co nfig-if -ecf m- mep)

Command History

Usage Guidelines This command overrides the global ethernet cfm alar m command.

delay Sets a delay time value during which one or more defec ts must be pres ent

before a fault alarm is issued.

mseconds Integer f rom 2 500 to 100 00 t hat spec ifies the n umb er o f m il lise cond s fo r

either a delay or a reset of an alarm. The default is 2500 for the delay option. The default is 10000 for the reset

option.

notification Sets the defects that are to be reported if fault alarms are enabled. all Reports all defects: DefRDI , DefMACStatus , DefR emote, DefErr or, and

DefXcon.

error-xcon Reports only DefError and DefXcon defects. mac-remote-er ror-xconReports only DefMACStatus, DefRemote, DefError, and DefXcon (default)

defects. This option is the default.

none No defects are reported. remote-error-xcon Reports only DefRemote , DefError, and DefXc on defects. xcon Reports only DefXcon defects. reset Sets a reset time value that, after a fault alarm, no defects must be present

before another fault al arm is ena bled.

Release Modification

12.2(33)SXI2 This command was introduc ed.

12.2(33)SRE This command was integrated into Cisco IO S Relea se 12.2(33) SRE.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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alarm

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If a higher priority defect occurs after a lower priority defect has triggered an alarm but before the alarm has reset, immediately issue another fault alarm for the higher priority defect.

Output of the show running all command displays “alarm delay 2500” when the default value for the delay option is configured, “alarm mac-remote-error-xcon” when the default value for the notification option is configured, and “alarm reset 10000” when the default value for the reset option is configured.

Examples The following example shows how to set up notifications for all defects:

Router(config)# ethernet cfm domain test level 5 Router(config-ecfm)# service vlan-id 17 vlan 17 Router(config-ecfm-srv)# exit Router(config-ecfm)# exit Router(config)# interface gigabitethernet 0/2 Router(config-if)# ethernet cfm interface Router(config-if)# ethernet cfm mep domain test mpid 5 vlan 17 Router(config-if-ecfm-mep)# alarm notification all Router(config-if-ecfm-mep)#

The following example shows how to set the time during which one or more defects must be present before a fault alarm is issued to 7000 milliseconds:

Related Commands Command Description

ethernet c fm al arm Configures an alarm for Ethernet CFM. show running all Shows the running configuration with default values.

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atm ilmi-keepalive

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atm ilmi-keepalive

To enable Interim Local Management Interface (ILMI) keepalives, use the atm ilmi-keepalive command in in te rface configu ra tio n mode . To disable ILMI keepa lives, use the no fo rm of th is command.

atm ilmi-keepalive [seconds] no atm ilmi-keepalive [seconds]

Syntax Description

Defaults 3 seconds

Command Modes Interface configuration

Command History

Examples The following exam pl e en ab le s I LM I keep al ives for th e ATM interface 1/0:

interface atm 1/0 atm address-registration atm ilmi-keepalive

Related Comma nds

seconds (Optional) Numb er of se cond s be tw een kee palives. Values less than 3 seconds ar e

rounded up to 3 se co nds, a nd the re is no up pe r lim it.

Release Modification

11.0 This command was introduced.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

Command Description

atm address-registration Enables the route r t o engage in a ddre ss r egistrati on an d

callback functions with the ILMI.

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atm vc-per-vp

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atm vc-per-vp

To set the maximum number of virtual channel identifier (VCIs) to support per virtual path identifier (VPI), use the atm vc-per-vp interface configu r atio n comm an d . To restore the default value, u s e th e no form of this command .

atm vc-per-vp number no atm vc-per-vp

Syntax Descri ption

Defaults 1024

Command Modes Interface configuration

Command History

Usage Guidelines T his command con trols the memor y allocation in th e ATM Interface Processor (AIP), ATM port adapter,

ATM network module, or networ k proce ssor m odu le (NPM ) to de al wi th the VCI t abl e. It d efines th e maximum number of VCIs to supp ort per VPI ; it does not bound t he VCI numbe rs.

An invalid VCI causes a warning message to be di sp layed.

Note Changing the value of the atm vc-per-vp command on one interface affects all of the interfaces on that

network module.

number Maximum number of VC Is to suppo rt per VPI . Valid values are: 16, 128, 25 6, 1024, 2048,

4096, 16384, and 65536 .

Release Modification

11.0 This command was introduced.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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atm vc-per-vp

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Ta ble 1 lis ts the poss ible VCI ra nges and corre sponding V PI ranges.

Examples The following example sets the maxi mum num ber of VCIs pe r VPI to 512:

Router(config)# interface atm1/0 Router(config-if)# atm vc-per-vp 512

Related Comma nds

Table 1 VCI and VPI Ranges for Cisco 2600 and 3600 Series with IMA

VCI Range VPI Range

0–255 0–15, 64–79, 128– 143, a nd 1 92–207 0–511 0–15, 64–79 0–1023 0–15

Command Description

pvc Configures the PVC interface.

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backup delay

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backup delay

To specify how long a backup pseudowire (PW) virtual circuit (VC) should wait before resuming operation after the prim ar y PW V C goes d own, use th e backup delay command in interface configuration mode or x co nne ct configur ation m ode . To return to the de fault so t h at a s soon a s t he primary fails, the secondary is immediately brought up without delay, use the no form of this command.

backup delay enable-delay {di sabl e-de lay | never} no backup delay enable-delay {disable-delay | never}

Syntax Descri ption

Command Default If a failover occurs, the xconnect redu ndancy algori thm immedi ately sw itches over or falls back to the

backup or primary memb er in the red undancy gro up.

Command Modes Interface configuration

Xconnect configurati on

Command History

Examples The following example shows a Multiprotocol Label Switching (MPLS) xconnect with one redundant

peer. After a switchover to the secondary VC occurs, there is no fallback to the primary VC unless the secondary VC fails.

enable-delay Number of seconds that elapse after t he primar y PW VC goes do wn be fore the

Cisco IOS software activates the secondary PW VC. The range is 0 to 180. The default is 0.

disable-delay Number of seconds that elapse after the primary PW VC comes up before the

Cisco IOS software deactivates the seconda ry PW VC. The range is 0 to 180. The default is 0.

never The secondary PW VC does not fall back to the primary PW V C if the pri mary

PW VC beco me s availabl e agai n, un les s the se co nda ry PW V C fa ils .

Release Modification

10.0 This command was introduced.

12.2(33)SRB1 This command was integrated into Cisco IOS Release 12.2(33)SRB1.

12.4(19)MR2 This command was integrated into Cisco IOS Release 12.4(19)MR2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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backup delay

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Router(config-if-xconn)# backup delay 0 never Router(config-if-xconn)# exit Router(config-if)# exit Router(config)# exit

The following example shows an MPLS xconne ct with one re dunda nt peer. The switchover does not begin unless the PW has been do wn fo r 3 seco nds. Af ter a s witcho v er to th e sec ondar y VC occu rs, ther e is no fallback to the primary until the primary VC has been reestabl ishe d an d i s up for 1 0 se cond s.

Router# config t Router(config)# pseudowire-class mpls Router(config-pw-class)# encapsulation mpls Router(config-pw-class)# exit Router(config)# interface atm1/0 Router(config-if)# xconnect 10.0.0.1 50 pw-class mpls Router(config-if-xconn)# backup peer 10.0.0.2 50 Router(config-if-xconn)# backup delay 3 10 Router(config-if-xconn)# exit Router(config-if)# exit Router(config)# exit

Related Commands Command Description

backup peer Configures a redundan t peer f or a PW V C.

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backup peer

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backup peer

T o specify a redundant peer for a pseudowire (PW) virtual circuit (VC), use the backup peer command in interface configuration mode or xconnect configuration mode. T o remove the redundant peer, use the

no form of this command.

backup peer peer-router-ip-addr vcid [pw-class pw-class-name] no backup peer peer-router-ip-addr vcid

Syntax Descri ption

Command Default No redundant pe e r is es tabl is hed.

Command Modes Interface configuration

Xconnect configurati on

Command History

Usage Guidelines The combination of the pee r-router-ip-addr and vcid argument s must be unique on the rout er.

Examples The following example sh ows an MPL S x co nnec t w ith on e re dun dant p eer:

Router# config t Router(config)# pseudowire-class mpls Router(config-pw-class)# encapsulation mpls Router(config-pw-class)# exit

peer-router-ipaddr

IP address of the remote peer.

vcid The 32-bit identifier of the VC between the routers at each end of the layer control

channel.

pw-class (Optional) PW type. If not specified, the PW type is inheri ted from the parent

xconnect.

pw-class-name (Optional) Name of the PW you created whe n you establishe d the PW class.

Release Modification

12.0(31)S This command was introduced.

12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.

12.4(11)T This command was integrated into Cisco IOS Release 12.4(11)T.

12.2(33)SRB This command was integrated into Cisco IOS Release 12.2(33)SRB.

12.2(33)SXI This command was integrated into Cisco IOS Release 12.2(33)SXI.

12.4(19)MR2 This command was integrated into Cisco IOS Release 12.4(19)MR2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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backup peer

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Router(config)# interface atm1/0 Router(config-if)# xconnect 10.0.0.1 100 pw-class mpls Router(config-if-xconn)# backup peer 10.0.0.2 200 Router(config-if-xconn)# exit Router(config-if)# exit Router(config)# exit

The following exam pl e s h ows a b ac ku p p ee r co nfigurat io n fo r an ATM interface:

Router# config t Router(config)# pseudowire-class mpls Router(config-pw-class)# encapsulation mpls Router(config-pw-class)# exit Router(config)# interface atm0/1 Router(config-if)# xconnect 10.0.0.2 1 pw-class mpls Router(config-if-xconn)# backup peer 10.0.0.2 100 pw-class mpls Router(config-if-xconn)# exit Router(config-if)# exit Router(config)# exit

Related Commands Command Description

backup delay Specifies how long the backup PW VC should wait befor e resuming

operation after the primary PW VC goes down.

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bandwidth (policy-map cla ss )

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bandwidth (policy-map class)

To specify or modify th e bandwi dth alloc ated for a cla ss belongi ng to a po licy map, or to en able ATM overhead accounting, use t he bandwidth command in policy-map class configuration mode. To remove the bandwidth specified for a class or disable AT M overhead accounting, use the no form of this command.

bandwidth {bandwidth-kbps | remaini n g percent p ercentage | percent percentage} no bandwidth

Syntax Descri ption

Command Default No bandwidth is specified.

ATM overhead accounting is di sabl ed.

Command Modes Policy-map class configuration (config-pmap-c)

Command History

bandwidth-kbps Amount of band wid th, in k i lobit s p er se co nd (k bps) , to b e assi g ned t o the

class. The amoun t of bandwid th va ries acco rding to th e interf ace and platform in use.

remaining percent

percentage

Percentage of guarant eed bandwi dth base d on a relative percent of available bandwidth. The r ange i s f rom 1 t o 100 .

percent percentage Percentage o f guaranteed bandwidth b ased on an absolu te percent of a vai lable

bandwidth to be set asid e for the pri ority class. The range is from 1 to 100.

Release Modification

12.0(5)T This command was introduced.

12.0(5)XE This command was integrated into Cisco IOS Release 12.0(5)XE and was implemented on Versatile Interface Processo r (VIP)-e nabled Cisco 750 0 series routers.

12.0(7)T The percent keyword was added.

12.0(17)SL This command was introduced o n t he Ci sco 10000 se rie s r oute r.

12.0(22)S Support for the percent ke yword was added on the Cisco 10000 series router.

12.0(23)SX Support for the remaining percent keyword was added on the Cisco 10000 series router.

12.1(5)T This command was implemented on VIP-e nabled Ci sco 7500 series ro uter s.

12.2(2)T The remaining percent keyword was added.

12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.

12.2(31)SB Th is command was imple mented on t he Cisco 10000 ser ies rout ers.

12.2(31)SB2 This command was introduced on the PRE3 for the Cisco 10000 series router, and was enhanced fo r ATM overhead accounting on the Ci sco 10000 se rie s router for th e P RE 3.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

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bandwidth (policy-map class)

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Usage Guidelines Configuring a Policy Map

Use the bandwidth command when you configure a p oli cy map for a c lass de fined by the class-map command. The bandwidth command specifies the bandwidth for traffic in that class. Class-based weighted fair queueing (CBWFQ) derives the weight for packets belonging to the class from the bandwidth allocated to the class. CBWFQ then uses the weight to ensure that the queue for the class is serviced fairly.

Configuring Strict Priority with Bandwidth

You can configure only one class with strict prio rity. Other classes cannot have priority or bandwidth configuration. To configure minimum bandw idt h for a noth er class, u se the bandwidth remaining percent comman d.

Specifying Bandwidth as a Percentag e

Besides specifying the am oun t of band wid th i n ki lobit s per se cond ( kbp s), yo u c an s pe cify ba nd wid th as a percentage of ei the r th e available ba ndwi dth or the t o tal ba ndwi dth . D ur ing pe rio ds of co ngest ion, the classes are ser vic ed in pro por tion to the ir co nfigured ba ndwid th perc e ntag es. T he b an dw idth percentage is based on th e inte rface bandwi dth or whe n used in a hierar chica l policy. Available bandwidth is equal to the interface bandwidth minus the sum of all bandwidths reserved by the Resource Reservation Protocol (RSVP) feature, the IP RTP Priority feature, and the low latency queueing

(LLQ)

feature.

Note It is important to remember t ha t when th e bandwidth remaining percent command is configur ed , h a rd

bandwidth guar an tees may no t be provid ed a nd on ly r ela tive bandwi dths ar e as sured. T hat is, c lass bandwidths are always proportional to the specified percentages of the interface bandwidth. When the link bandwidth is fixed, class bandwidth guarantees are in proportion to the configured percentages. If the link bandwidt h is u nkn own or variable, the r oute r ca nn ot c om pute cl ass band wid th gu aran t ees i n kbps.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.2(31)SB6 This command w as enhan ced to specify an of fset s ize when calculat ing ATM overhead and was implemented on the Cisco 10000 series router for the PRE3.

12.2(33)SRC Support for th e Cisco 7 600 seri es rout er was ad de d.

12.2(33)SB Supp ort for th e Cisco 7 300 se rie s ro ute r was adde d.

12.4(20)T Support was added for hierarchic al queuei ng fram ework (HQF) using the Modular Quality of Servi ce (Qo S) C omman d- Line I nte rface (C LI ) (M QC ).

Cisco IOS XE Release 2.1

This command was implemented on Cisc o ASR 1000 ser ies router s.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

Release Modification

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bandwidth (policy-map cla ss )

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The router converts the specified bandwidth to the nearest multiple of 1/2 55 (ESR–PRE 1) or 1/65, 535 (ESR–PRE2) of the interf ace speed . Use th e show policy-map interface command to display the ac tual bandwidth.

Restrictions

The following restrictions ap ply to the bandwidth command:

• The amount of b andw idt h con figure d shou l d b e l arge en oug h t o a ls o ac co mm odat e La yer 2

overhead.

• A policy map can have all the class bandwidths specified in kbps or all the c lass bandwidt hs

specified in percentages, but not a mix of both in the same class. However, the unit for the priority command in the priority class can be different from the bandwidth unit of the nonpriority class.

• When the bandwidth percent command is config ured, a nd a p o licy map co ntai nin g c l as s po licy

configurations is attach ed to the i nterface to stipulate the service policy for that in ter face, available bandwidth is assessed. If a policy map cannot be attached to a particular interface because of insufficient interface bandwidth, the policy is removed from all interfaces to which it was successfully attached. This restriction does not apply to the bandwidth remaining percent command.

Related Commands Command Description

class (policy-map) Specifies the name of the class wh ose polic y yo u wan t to creat e or

change, and the default class (commonly known as the class-default class) befo re you co nfigure its policy.

class-map Creates a class map to be used f or match ing pa ck ets to a speci f ied

class.

max-reserved-bandwidth Changes the percent of interface bandwidth allocated for

CBWFQ, LLQ, and IP RTP Priority.

policy-map Creates or modifies a policy map that can be attached to one or

more interfaces to specify a service policy.

priority Specifies the priority of a class of t raffic belonging to a pol icy

map.

queue-limit Specifies or modifies the maximu m n umb er of p ackets t he que ue

can hold for a class policy configured in a policy map.

show policy-map Displays the configuration of all classes for a specified service

policy map or all classes for all existing policy maps.

show policy-map interface Displays the pa cket statistics of all clas se s tha t ar e con figured for

all service policies either on the specif ied interface or subin terface or on a specific PVC on the interface.

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bfd all-interfaces

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bfd all-interfaces

To enable Bidirectional Forwarding Detection (BFD) for all interfaces participating in the routing process, use the bfd all-interfaces command in router configurat ion mode . To disable BFD for all interfaces, use the no form of this command.

bfd all-interfaces no bfd all-interfaces

Syntax Description This comm and ha s n o argume nts o r keywords .

Command Default BFD is not enabled on the interfaces participating in the routing process.

Command Modes Router configuration

Command History

Usage Guidelines There are two methods to configure routing protocol s to use BFD for fai lure de tectio n. To enable BFD

for all neighbor s of a r ou ting prot ocol , e nte r the bfd all-interfaces command in rout er co nfigurat ion mode. If you do not want to enable BFD on all interfaces, enter the bfd int er f a ce command in router configuration mode.

Examples The following example shows BFD enabled for all Interme di ate Sy stem - to-Int ermed ia te Sy stem ( IS -IS)

neighbors:

Router> enable Router# configure terminal Router(config)# router isis tag1 Router(config-router)# bfd all-interfaces Router(config-router)# end

The following example shows BFD enabled for all Open Shortest Path First (OSPF) neighbors:

Router> enable Router# configure terminal Router(config)# router ospf 123

Release Modification

12.2(18)SXE This command was introd uced.

12.0(31)S This command was integrated into Cisco IOS Release 12.0(31) S.

12.4(4)T Thi s comm and was integrate d into Cisco IO S Relea se 12.4(4)T.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2( 33)SRA.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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Router(config-router)# bfd all-interfaces Router(config-router)# end

Related Commands Command Description

bfd Sets the baseline BFD session parameters on an interface. bfd interface Enables BFD on a per-interface basis for a BFD peer.

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bfd interval

To set the baseline Bidirectional Forwarding Detection (BFD) session parameters on an interface, use the bfd command in interface configuration mode. To remove the baseline BFD session parameters, use the no form of this command.

bfd interval milliseconds min_rx milliseconds multiplier multiplier-value no bfd interval milliseconds min_rx milliseconds multiplier multiplier-value

Syntax Description

Command Default No baseline BFD session parameters are set.

Command Modes Interface configuration (config-if)

Command History

Examples The following example shows the BFD session parameters set for Fast Ethernet interface 3/0:

Router> enable Router# configure terminal Router(config)# interface vlan1 Router(config-if)# bfd interval 50 min_rx 3 multiplier 3 Router(config-if)# end

interval milliseconds Specifies th e rat e at w hich BFD con tro l pack ets w ill be se nt to BFD peer s.

The configurable time period for the millisec onds argument is from 50 to 999 milliseconds (ms).

min_rx milliseconds Specifies the ra te at w hich BFD co ntrol pa ckets w ill be expected to be

received from BFD peers. The configurable time period for the milliseconds argument is from 1 to 999 milliseconds (ms).

multiplier

multiplier-value

Specifies the number of consecutive BFD control packets that must be missed from a BFD peer before BFD declares that the peer is unavailable and the Layer 3 BFD peer is info rmed of the failure . The co nfigurable value range for the multiplier-value argument is from 3 to 50.

Release Modification

12.2(18)SXE This command was introd uced.

12.0(31)S This command was integrated into Cisco IOS Release 12.0(31) S.

12.4(4)T Thi s comm and was integrate d into Cisco IO S Relea se 12.4(4)T.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2( 33)SRA.

12.2(33)SB This command was integrated into Cisco IO S Release 12. 2(33) SB.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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Related Commands Command Description

bfd all-interfaces Enables BFD for all interfaces for a BFD peer. bfd interface Enables BFD on a per-interface basis for a BFD peer. ip ospf bfd Enables BFD on a specific interface configured for OSPF.

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cbr

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cbr

To configure the constant bit rate (CBR) for the ATM circuit emulation service (CES) for an ATM permanent virtual circuit (PVC), use the cbr command in the appropriate configuration mode. T o restore the default, use the no form of this command.

cbr rate no cbr rate

Syntax Description

Command Default The CBR is not configured.

Command Modes Interface-ATM-VC configuration (for ATM PVCs and SV Cs)

PVC range configuration (for an ATM PVC range) PVC-in-range configuration (for an individual PVC within a PVC range) ATM PVP configuration

Command History

Examples The following example configures the constant bit rate on ATM PVC 20:

pvc 20 cbr 56

rate Constant bit rate (also known as the average cell rate) for ATM CES. Valid

values are 32–1920 kbps.

Release Modification

12.0 This command was introduced for the ATM CES on the Cisco MC3810.

12.1(5)T Thi s comm an d was ma de available in PVC ra nge a nd PVC- in -ran ge

configuration modes.

12.2(5) Support was added f or the PA-A3 port adapter on t he C isc o 720 0 ser ies

routers.

12.2(7) Support was added f or the PA-A3 port adapter on t he C isc o 750 0 ser ies

routers.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2( 33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support

in a specific 12.2SX r elease o f t his t rain de pends on yo ur featu re set , platform, an d p lat fo rm ha rd war e.

Cisco IOS XE Release

2.3

This command was made available in ATM PVP configuration mode.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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cbr

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Related Commands Command Description

pvc Creates or assigns a name to an ATM PVC, specifies the encapsulation type

on an ATM PVC, and enters interface-ATM-VC configuration mode.

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cdp enable

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cdp enable

To enable Cisco D iscovery Pr otoc ol ( CD P) on an i nte rface , use t he cdp enable command in interface configuration mode. To disable CDP on an in terface , use the no form of this command.

cdp enable no cdp enable

Syntax Description This comm and ha s n o argume nts o r keywords .

Defaults Enabled at the global level and on all supported interfaces.

Command Modes Interface configuration

Command History

Usage Guidelines CDP is enabled by default at the global level and on each supported interface in order to send or receive

CDP information. However, some interfaces, such as AT M interfaces, do not support CDP.

Note The cdp enable, cdp timer, and cdp run commands affect the operation of the IP on demand routing

feature (t ha t is , t he router odr global configuration command). For more information on the router odr command, see the “On-Demand Routing Commands” chapter in the Cisco IOS Command Reference, Volume 2 of 3: Routing P rotocols documen t.

Examples In the following example, CDP is disabled on the Ethernet 0 interface only:

Router# show cdp Global CDP information

Sending CDP packets every 60 seconds Sending a holdtime value of 180 seconds Sending CDPv2 advertisements is enabled

Router# config terminal Router(config)# interface ethernet 0 Router(config-if)# no cdp enable

Release Modification

10.3 This command was introduced.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.4(19)MR2 This command was integrated into Cisco IOS Release 12.4(19)MR2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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Related Commands Command Description

cdp run Reenables CDP on a Cisco device. cdp timer Specifies how often the Cisco IOS software sends CDP updates. router odr Enables on-demand rou tin g o n a hub rout er.

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cem-group

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cem-group

To create a circuit emulation (CEM) channel from one or more time slots of a T1 or E1 line, use the cem-group command in contr oller configur ation mode . To remove a CEM group and release the associated time slots, use the no form of this comman d.

cem-group group-number {unframed | timeslots time-slot-range} no cem-group group-number

Syntax Description

Defaults No CEM groups are de fined.

Command Modes Controller configuration

Command History

Usage Guidelines Use this command to create CEM channels on the T1 or E1 port.

Examples The following exam pl e s h ows how to cr eat e a CE M c ha nnel :

SATOP

Router# config t Router(config)# controller el 0/0 Router(config-controller)# cem-group 0 unframed Router(config-controller)# exit Router(config)# interface cem 0/0

group-number CEM identifier to be used for this group of time slots:

• For T1 ports, the range is from 0 to 23.

• For E1 ports, the range is from 0 to 30.

unframed Specifies that a single CEM channel is being created, including all time

slots, without specifying the framing structure of the line.

timeslots Specifies that a list of time slots is to be used as specified by the

time-slot-range argument. time-slot-range—Specifies the time slots to be included in the CEM

channel. The li st of time slots m ay inc lude com mas an d hy phens wit h no spaces between the numbers.

Release Modification

12.3(7)T This command was introduced.

12.4(12)MR2 This command was integrated into Cisco IOS Release 12.4(12)MR2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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cem-group

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Router(config-if)# cem 0 Router(config-if-cem)# xconnect 10.10.10.10 200 encapsulation mpls Router(config-if-cem-xconn)# exit Router(config-if-cem)# exit Router(config-if)# exit Router(config)# exit

CESoPSN

Router# config t Router(config)# controller el 0/1 Router(config-controller)# cem-group 0 timeslots 1-31 Router(config-controller)# exit Router(config)# interface cem 0/1 Router(config-if)# cem 0 Router(config-if-cem)# xconnect 10.10.10.10 200 encapsulation mpls Router(config-if-cem-xconn)# exit Router(config-if-cem)# exit Router(config-if)# exit Router(config)# exit

Related Commands Command Description

cem Enters circuit emulation configuration mode.

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class (policy-map)

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class (policy-map)

T o specify the name of the class whose policy you want to create or change or to specify the default class (commonly known as the class-default class) before you configure its policy, use the class command in policy-map configuration m ode . To remove a class from the pol icy m ap, use the no f orm o f t h is command.

class {class-name | class-default} no class {class-name | class-default}

Syntax Description

Command Default No class is specified.

Command Modes Policy-map configuration (config-pmap)

Command History

class-name Name of the class to be configure d or whose pol icy is to be modified. The

class name is used for both the class map and to configure a policy for the class in the policy map.

class-default Specifies the default cla ss s o tha t y ou can c onfigure or m odi fy i ts p ol icy.

Release Modification

12.0(5)T This command was introduced.

12.0(5)XE This command was integrated into Cisco IOS Release 12.0(5)XE.

12.0(7)S This command was integrated into Cisco IOS Release 12.0(7)S.

12.1(1)E This command was integrated into Cisco IOS Release 12.1(1)E.

12.2(14)SX Support for this command was introd uced on Cisc o 7600 routers.

12.2(17d)SXB This command was implemented on the Cisco 760 0 router an d integrated into Cisco IOS Release 12.2(17d)SXB.

12.2(18)SXE The class-default keyword was added t o the Cisco 76 00 ro ut er.

12.4(4)T The insert-before class-name option was added.

12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.

12.2(31)SB2 This command was introduced on the PRE3 for the Cisco 10000 seri es router.

12.2(18)ZY The insert-before class-name option was integrated into Cisco IOS Release 12.2(18)ZY on the Catalyst 6500 ser ies of switches eq uipped w ith the Programmable Intelligent Services Accelerator (PISA).

Cisco IOS XE Release 2.1

This command was implemented on Ci sco ASR 1000 ser ies rout ers. The fragment fragment-class-name and service-fragment fragment-class-name options were introduced.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR. This release does not suppo rt the fragment, insert-before, or service-fragment parameters.

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Usage Guidelines Policy Map Configuration Mode

Within a polic y map, the class (policy-map) command can be used to specify the name of the class whose policy you want to create or change. First, the policy map must be identified.

T o i dentify the policy map (and enter the required policy-map configuration mode), use the policy-map command befor e you use th e class ( policy-map) command. After yo u s pec ify a p ol icy ma p, yo u can configure policy for new classe s or mod ify the po licy for a ny existing classe s in t hat pol icy ma p.

Class Characteristics

The class name that you specify in the policy map ties the characteristics for that class—that is, its policy—to the class map and its match criteria, as configured using the class-map command.

When you configure policy for a class and specify its bandw idth and att ach the pol icy map to an interface, class-based weighted fair queueing (CBWFQ) determines if the bandwidth requirement of the class can be satisfied. If so, CBWFQ alloca tes a queue for the bandw idth require ment.

When a class is remove d, a v aila ble ban dwidth fo r the inter face is in cremen ted b y the am ount pr e viously allocated to the cl ass .

The maximum number of c lasses that you can configure fo r a rout er—and , there fore, wit hin a policy map—is 64.

Predefined Default Class

The class-default keyword is used to specify the prede fined defaul t class cal led class- default. Th e class-default class is the class to which traffic is directed if that traffic does not match any of the match criteria in the configured class maps.

Tail Drop or WRED

You can define a class policy to use either tail drop by using the queue-limit command. When using tail drop, note the following points:

• The queue-limit command cannot be used in the same class policy, but can be used in two class

policies in the same policy map.

• You can configure the bandwidth command when the queue-limit command is configured in a

class policy. The bandwidth command specifies the amount of bandwidth allocated for the class.

• For the predefined default class, you can c onfigure the fair-queue (class-default) command. The

fair-queue command specifies the number of dynamic queues for the default class. The fair-queue

command can be used in the same class policy as the queue-limit command. It cannot be used with the bandwidth command.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA. This

release does not suppo rt the fragment, insert-before, or service-fragment parameters.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR. This

release does not suppo rt the fragment, insert-before, or service-fragment parameters. The re lea se a lso doe s no t su ppo rt Weighted Random Ear ly Detection (WRED).

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Fragments

A default traffic class is marked as a fragment within a policy map class statement using the fragment keyword. Multiple fragments can then be classified collectively in a separate policy map that is created using the service-fragmen t keyword. When fra gment s are us ed, d efault t raffic classe s marked as fragments have QoS applied separately from the non-default traffic classes.

When using fragments, note the following guidelines:

• Only default traffic classes can be marked as fragments.

• The fragment fragment-class-name optio n within a default cla ss statemen t marks that default cla ss

as a fragment.

• The service-fragment fragment-class-nam e option when defining a class in a policy map is used to

specify a class of traffic within the Modular QoS CLI that contains all fragments sharing the same fragment-class-name.

• Fragments can only be used within the same physical interf ace. Polic y maps with fragments sharing

the same fragment-class-name on different interfaces cannot be cla s sified collectively using a clas s with the service-fragment fragment-class-name option.

Examples The following exam ple conf ig ures three cla ss policies includ ed in the polic y map calle d polic y1. Class1

specifies policy for traffic that matches access control list 136. Class2 specifies policy for traffic with a CoS value of 2. The third class is the default class to which packets that do not satisfy con fig ured match criteria are directed.

! The following commands create class-maps class1 and class2 ! and define their match criteria:

class-map class1 match access-group 136 class-map class2 match cos 2

! The following commands create the policy map, which is defined to contain policy ! specification for class1 and the default class: policy-map policy1

Router(config)# policy-map policy1 Router(config-pmap)# class class1 Router(config-pmap-c)# bandwidth 2000 Router(config-pmap-c)# queue-limit 40

Router(config-pmap)# class class-default Router(config-pmap-c)# fair-queue 16 Router(config-pmap-c)# queue-limit 20

Related Commands Command Description

bandwidth (policy-map class) Specifies or modifies the bandwidth allocated for a class

belonging to a policy map.

class-map Creates a class map to be used for matching packets to a specified

class.

fair-queue (class-default) Specifies the number of dynamic queues to be reserved for use by

the class-default class as part of the default class policy.

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policy-map Creates or modifies a policy map that can be attached to one or

more interfaces to specify a service policy.

queue-limit Specifies or modifies the maximum number of packets the queue

can hold for a class policy configured in a policy map.

Command Description

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class cem

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class cem

To configure CEM interface parameters in a class that is applied to CEM interfaces together, use the class cem command in g lo bal configura tion m ode. T his c om mand works i n the same ma nne r fo r C EM interfaces as the pseudowire-class command doe s f or xconn ec t.

class cem class-name

Syntax Description

Command Modes Global configuration

Command History

Usage Guidelines Th e class cem command allows you to configure CEM interface parameters in a class that is applied to

CEM interfaces together. A class cem command in clu de s the f oll owing co nfigurati on se ttin gs :

• dejitter-buffer dejitter-in-ms

• idle-patt ern 8-bit-idle-pattern

• payload-size payloa d-size -in- ms

Note You can improve the performa nce of pac ket re orde ring on T DM/ PWE c on ne ction s by usi n g the

increasing the size of the dejitter buffer using the dejitter-buffer parameter.

Examples The following example shows how to configure CEM interface pa ramet ers:

Router# config t Router(config)# class cem mycemclass Router(config-cem-class)# dejitter-buffer 10 Router(config-cem-class)# sample-rate 32 Router(config-cem-class)# exit Router(config)# interface cem 0/0 Router(config-if)# no ip address Router(config-if)# cem 0 Router(config-if-cem)# xconnect 10.10.10.10 200 encapsulation mpls Router(config-if-cem-xconn)# cem class mycemclass Router(config-if-cem)# exit Router(config-if)# exit Router(config)# exit

class-name The name of a CEM interface parameters class.

Release Modification

12.4(12)MR2 This command was incorporated.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

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Related Commands Command Description

dejitter-buffer Specifies the size of the de jitte r buffer used for netw o rk jitte r in CEM

configurati on mode.

idle-pattern Specifies the data pattern to transmit on the T1/E1 line when missing

packets are detected on the PWE3 circuit in CEM configuration mode.

sample-rate Specifies in milliseconds the rate hardware samples the data on the

attached circuit in CEM circuit configuration mode.

cem Enters circuit emulation configuration mode.

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class-map

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class-map

To create a class map to be used for matching packets to a specified class, use the class-map command in global configurat ion mod e. To remove an existing class ma p f rom t he rout e r, use the no form of t his command. The cl as s-map command enters class-map configuration mode in which you can enter one of the match commands to configure the match criteria for this class.

class map [match-a ll | match-any] class-map-name no class map [ma tch-al l | ma tch-any] class-map-name

Syntax Description

Command Default No class map is configured by default.

Command Modes Global configuration (config)

Command History

match-all (Optional) Determines how packets are evaluated when multiple match

criteria exist. Matches statements under this class map based on the logical AND function. One statement and another are accepted. If you do not specify the match-all or match-any keyword, the default keyword is

match-all.

match-any (Optional) Determines how packets are evaluated when multiple match

criteria exist. Matches statements under this class map based on the logical OR function. One statement or another is accepted. If you do not specify the match-any or match-all keyword, the defa ult keyword is mat ch-all.

class-map-name Name of the class for the class map. The na me can be a maximum of

40 alphanumeri c char acter s. The c lass na me is use d for both the cla ss map and to configure a policy for the class in the policy map.

Release Modification

12.0(5)T This command was introduced.

12.0(5)XE This command was integrated into Cisco IOS Release 12.0(5)XE.

12.0(7)S This command was integrated into Cisco IOS Release 12.0(7)S.

12.1(1)E This command was integrated into Cisco IOS Release 12.1(1)E.

12.2(14)SX Support for this command was introd uced on Cisc o 7600 series rou ters.

12.2(17d)SXB This command was implemented on the Cisco 7600 series rout ers and integrated into Cisco IOS Release 12.2(17d)SXB.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.4(4)T The type stack and type access-control keywords were adde d to support FPM. The type port-filt er and type queue-thr eshold ke ywords were added to support Contr ol Pla ne Prot ect ion.

12.4(6)T The type logging keyword was added to support control plane pa cket logging.

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Usage Guidelines Use the class-map command to specify the class that you will create or modify to meet the class-map

match criteria. This command enters class-map configuration mode in which you can enter one of the match commands to configure the match criteria for this class. Packets that arrive at either the input interface or the output int erface (det ermine d by how the service-policy command is configured) are checked against the match criteria configured for a class map to determine if the packets belong to that class.

When configuring a class map, you can use one or more match commands to specify match criteria. For example, you can use t he match access-group command, the match protocol comman d, or the mat ch input-interface command. The match commands vary according to the Cisco IOS release. For more information about ma tch crit eria and matc h commands, see the “Modular Quality of Service Command-Line Inte rface (C LI) (MQ C)” chap ter of the Cisco IOS Quality of Service Solutions Configuration Guide.

Examples The following example specifies class101 as the name of a class, and it defines a class map for this class.

The class called class101 specifies policy for traffic that matches access control list 101.

Router(config)# class-map class101 Router(config-cmap)# match access-group 101

The following exam pl e s h ows how to ac ces s the cl ass-map com mands and subcom mand s, configure a class map named i pp 5, a nd en ter a m atc h st ate ment for IP precedence 5:

Router(config)# class-map ipp5 Router(config-cmap)# match ip precedence 5

Related Comma nds

12.2(18)ZY The type stack and type access-control keywords were integrated int o

Cisco IOS Release 1 2.2 (18)Z Y on t he C ata lyst 65 00 seri es of sw itch es equipped with the Programmable Intelligent Services Accelerator (PISA)

Cisco IOS XE Release 2.1

This command was implemented on Cisc o ASR 1000 ser ies router s.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR. This

release does not support the stack, access-control, logging, port-filter , and

queue-threshold parameters.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA. This

release does not support the stack, access-control, logging, port-filter , and

queue-threshold parameters.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

Release Modification

Command Description

class (policy-map) Specifies the name of t he c lass w hos e poli cy you want to c re at e or c han ge,

and the default class (commonly known as the class-default class) before you configure its policy.

class class-default Specifies the default class for a service policy map. match (class-map) Configures the match criteria for a class map on the basis of port f ilter and/or

protocol queue polic ies.

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class-map

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match access-group Configures the match criteria for a class map on the basis of the specified

ACL.

match input-interface Configures a class map to use the specified input interface as a match

criterion.

match ip dscp Identifies one or more DSCP, AF, and CS values as a match criteri on match mpls

experimental

Configures a class map to use the specified EXP field value as a match criterion.

match protocol Configures the match criteria for a class map on the basis of the specified

protocol.

policy-map Creates or mo difies a poli cy map that ca n be attach ed to one or more

interfaces to specify a service policy.

service-pol icy Attaches a policy map to an input interface or virtual circuit (VC) or to an

output interface or VC to be used as the service policy for that interface or VC.

show class-map Displays class-map information. show policy-map

interface

Displays the statistics and th e conf igurations of the input and output policies that are attached to an interface.

Command Description

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class-map type control

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class-map type control

To create an Intelligent Services Gateway (ISG) control class map, which defines the conditions under which the actions of a control policy map will be executed, use the class-map type control command in global configuration mode. To remove a control class map, use the no form of this com mand.

class-map type control [match-all | match-any | match-none] class-map-name no class-map type control [match-all | match-any | match-none] class-map-name

Syntax Descri ption

Command Default A control class map is not created.

Command Modes Global configuration

Command History

Usage Guidelines A control class map specifies conditions that must be met for a control policy to be activated, and,

optionally, the event that causes the class to be evaluated. A control class map can contain multiple conditions, each of which will evaluate to either true or false. Use the match-any, match-all, and match-none keywords to specify which , if any, conditions must evaluate true before the cont rol po licy will be executed.

A control policy map, wh ich is conf ig ured wit h the policy-map type contr ol command, contains one or more control policy rules. A cont rol polic y rule associ ates a contr ol class map with one or more actions. Use the class type control command to associate a control class map with a control policy map.

Examples The following example shows how to configure a control policy in which virtual private dial-up network

(VPDN) forwarding is a ppli ed to a nyone dia lin g in f rom “ xyz .co m”:

class-map type control match-all MY-FORWARDED-USERS match unauthenticated-domain "xyz.com"

match-all (Optional) The class map evaluates true if all of the conditions in the class

map evaluates true.

match-any (Optional) The class ma p evaluates true if any of the con ditions in the class

map evaluates true.

match-none (Optional) The class map evaluates true if none of the conditions in the class

map evaluates true.

class-map-name Name of the class map.

Release Modification

12.2(28)SB This command was introduced.

12.4(20)MR This command was integrated into Cisco IOS Releas e 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

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class-map type control

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! policy-map type control MY-POLICY class type control MY-FORWARDED-USERS event session-start 1 apply identifier nas-port 2 service local ! interface Dialer1 service-policy type control MY-POLICY

Related Commands Command Description

class type control Speci fies a contro l class for whic h actions ma y be configured in an ISG

control policy map.

policy-map type control

Creates or modifies a c ont rol poli cy map, wh ich defines an I SG cont ro l policy.

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class-map type traffic

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class-map type traffic

To create or modify a traffic class map, which is used for matching packets to a specified Intelligent Services Gateway (ISG) traffic class, use the class-map type traffic command in globa l con figurat ion mode. To remove a traffic class map, use the no form of this command.

class-map type traffic match-any class-map-nam e no class-map type traffic match-any class-map-name

Syntax Descri ption

Command Default A traffic class map is not created.

Command Modes Global configuration

Command History

Usage Guidelines Use the class-map type traffic command to specify the name of the ISG traffic class for which you want

to create or modify traf f ic clas s map match criteria. Use of the class-map type traffic comm and enable s traffic class-map configuration mode, in which you can enter match commands to configure the match criteria for this class. Packets are checked against the match criteria configured for a class map to determine if the packet belongs to that traffic class.

ISG traffic classes allow subscriber session traff ic to be subclassified so that ISG features can be applied to constituent flows. Traffic policies, which define the handling of data packets, contain a traffic class and one or more feature s.

Once a traffic class map has been defined, use the class type tr affic command to associate the traffic class map with a service policy map. A service can contain one traffic class, and the default class.

Examples The following example shows the configuration of a traffic class map called “CLASS-ACL-101”. The

class map is defined so that input traffic matching access list 101 will match the class. The traffic class map is then referenced in service policy map “mp3”.

class-map type traffic CLASS-ACL-101 match access-group input 101 !

match-any Indica tes th at pa ckets mu st me et on e of t he m atc h cr iteri a i n orde r to be

considered a member of the class.

class-map-name Name of the class map.

Release Modification

12.2(28)SB This command was introduced.

12.4(20)MR This command was integrated into Cisco IOS Releas e 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

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class-map type traffic

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policy-map type service mp3 class type traffic CLASS-ACL-101 authentication method-list cp-mlist accounting method-list cp-mlist prepaid conf-prepaid

Related Commands Command Description

class type traffic S pecif i es a n amed tr af fic class whose p olic y y ou w ant to create or ch ange or

specifies the default traffic class in order to configure its policy.

match access-group (ISG)

Configures the match criteria for a class map on the basis of the specified access contro l lis t (ACL).

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clear ethernet cfm ais

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clear ethernet cfm ais

To clear a main tena nce endp oint ( MEP) or se rver ma int enan ce en dpoin t (SME P) o ut o f the Ala rm Indication Signal (AIS) defect co ndition, use the clear ethernet cfm ais command in privileged EX EC mode.

Ethernet CFM IEEE 802.1ag Standard (CFM IEEE)

clear ethernet cfm ais {domain domain-name mpid mpid-id vlan vlan-id |

link-status interface Ethernet number}

Syntax Descri ption

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines If a MEP does not exit the AIS state when all errors are resolved, use the clear ethern et cfm ai s

command wit h the doma in and mpid keywords to clear the AIS defect condition. If a SMEP does not exit the AIS state when all errors are resolved, use the clear ethernet cfm ais command with th e link-status interface keywords to clear the AIS defect condition.

Examples The following example shows how to clear a SMEP of an AIS defect condition:

Router# clear ethernet cfm ais link-status interface ethernet 0/0

domain Indica tes th at a mai ntena nce dom ain is speci fied.

domain-name String of a ma ximum of 154 char acter s that ident ifies the domai n.

mpid Indicates that a maintenance point ID (MPID) is specified.

mpid-id An integer in the range of 1 to 8191 that identifies the MPID.

evc Indicates that an Ethernet virtual circuit (EVC) is specified.

name String identifying the EVC name.

vlan Indicates that a VLAN is specified.

vlan-id An integer in the range 1 to 4094 that identifies the VLAN.

link-status I ndica tes eithe r a SMEP or a link up/l ink down condition . interface Indicates that an interface is specified. Ethernet Specifies an Ethernet interface.

number Integer from 0 to 15 that identifies the Ethernet interface.

Release Modification

12.2(33)SRD This command was introduced.

15.0(1)XA This command was modified. The evc keyword and name argument are not

supported in Cisc o IOS R ele ase 15. 0(1)X A.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR. Thi s release does not support Et hernet Connect ivity Fault Manageme nt (CFM) Cisco Propriet ary Dr aft 1 (C FM D1).

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clear ethernet cfm ais

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The following examples show how to clear a MEP of an AIS defect condition:

Router# clear ethernet cfm ais domain xxx mpid 100 vlan 11 Router# clear ethernet cfm ais domain xxx mpid 100 evc test

Related Commands Command Description

ethernet c fm ai s Enables AIS generat ion from a SM EP.

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clear ethernet cfm errors

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clear ethernet cfm errors

To clear continuity check error conditions logged on a device, use the clear ethernet cfm errors command in pr ivileged EXE C m ode .

CFM IEEE 802.1ag Standard (CFM IEEE)

clear ethernet cfm errors [domain-id {mac-address domain-number | domain-n am e | dns

dns-name | null}] [service {ma-name | ma-num | vlan-id vlan-id | vpn-id vpn-id}]

Syntax Descri ption

Command Default The error database is unchanged; existing entries remain in the database.

Command Modes Privileged EXEC (#)

Command History

domain (O ptional) Cl ears erro rs for a mainte nance doma in.

domain-name (Opti onal) Stri ng of a maxim um of 154 char acter s.

level (Optional) Clears errors for a maintenance level.

level-id (Optional) Integer in t he range o f 0 to 7 that identif i es the ma intenance le v el.

domain-id (Opti onal) Clea rs erro rs by domain ID.

mac-address (Opti onal) MAC address of the mai ntena nce domai n. domain-number (Optional) Integer i n the ran ge of 0 to 655 35.

dns (Optional) Specifies a domain name service (DNS).

dns-name (Optiona l) String of a max imum of 4 3 cha rac ter s.

null (Optional ) Indicat es there is not a domain na me. service (Optional) Specifies a maintenance association within the domain.

ma-name (Optional) String that identifies the maintenance association. ma-num (Optional) Integer that identifies the maintenance association.

vlan-id (Optional) Specifies a VLAN.

vlan-id (Optional) Integer from 1 to 4094 that identifies the VLAN.

vpn-id (Optional) Specifies a virtual private network (VPN).

vpn-id (Optional) Integer from 1 to 32 767 that ide ntifies the VPN.

Release Modification

12.2(33)SRA This command was introduced.

12.4(11)T This comm and was int egrated into C isco IOS Releas e 12.4( 11)T.

12.2(33)SXH This comman d was integrated into C isco IOS Releas e 12.2(33) SXH.

12.2(33)SXI2 This command was integrate d into Cisco IOS Rele ase 12.2( 33)SXI 2.

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clear ethernet cfm er rors

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Usage Guidelines Use the clear et hernet cfm er rors comm an d t o purge e rro r data base en trie s t hat are not ne ed ed a nd

when you want to work with a cleared database. Also, use this command with a specified domain if you want to clear e rr ors fo r that dom ain .

In CFM IEEE, if a d o main name has more t ha n 4 3 ch aracters, a warn in g m es sage is displayed n o tif y i ng that the maintenance d omain ID ( MDID) will be truncate d to 43 c haracters in continuity check message s (CCMs) if “id <fmt> <MDID>” is not configured.

Examples The following example shows a clear ethernet cfm errors command for errors at maintenance level 3.

No output is generated when this command is issued.

Router# clear ethernet cfm errors level 3

The following example shows how to clear errors for a DNS on VLAN 17. No output is generated when this command is issued.

Router# clear ethernet cfm errors domain-id dns Service10 service vlan-id 17

Related Comma nds

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR. This release does not support Ethe rnet Conn ectivity Fault Mana gement (C FM) Cisco Proprietary Dr aft 1 (CFM D1).

Release Modification

Command Description

show ethernet cfm errors Displays CFM continuity check error conditions logged on a device

since it was last reset or since the log was last cleared.

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clear ethernet cfm maintenance-points remote

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clear ethernet cfm maintenance-points remo te

T o pur ge th e contents of the contin uity check database , use the clear ether net cfm ma intenance-points remote command in privileged EXEC mode.

CFM IEEE 802.1ag Standard (CFM IEEE)

clear ethernet cfm maintenance-points remote [domain domain-name]

Syntax Descri ption

Command Default The continuity check database is unchanged; existing entries remain in the database.

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines Use this command to clear the entire continuity check database or clear the database for a specific

domain or level. When a domain is specified, only entries for that domain are purged. When a level is specified, entries for all domains at that level are purged.

If a maintenance domain is not specified, the entire continuity check database is cleared. In CFM IEEE, t h e level keyword and level-id argument are n ot su ppor ted . Also , if a d omai n na me h as

more than 43 characte rs, a warning me ssage is disp layed noti fying tha t the mainte nance do main ID (MDID) will be trunca ted to 43 characters in continu ity check me ssages (CCMs) if “i d <fmt> < MDID>” is not configured.

Examples The following example shows a clear ethernet cfm main tenance-poi nts remote comma nd. No output

is generated when this command is issued.

Router# clear ethernet cfm maintenance-points remote

domain (Optional) Indicates that a maintenance domain is specified.

domain-name (Optional) String of a maximum of 154 characters that iden tifie s the domain.

Release Modification

12.2(33)SRA This command was introduced.

12.4(11)T This comm and was int egrated into C isco IOS Releas e 12.4( 11)T.

12.2(33)SXH This comman d was integrated into C isco IOS Releas e 12.2(33) SXH.

12.2(33)SXI2 This command was integrate d into Cisco IOS Rele ase 12.2( 33)SXI 2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2( 33)MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR. Thi s

release does not support the level keyword used to configure CFM Draft 1.0.

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clear ethernet cfm maintenance-points remote

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Related Commands Command Description

show ethernet cfm maintenance-points remote

Displays information about remote maintenance points in the continuity check database.

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clear ethernet cfm statistics

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clear ethernet cfm statistics

clear ethernet cfm statistics [mpid mpid-id]

Syntax Descri ption

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines If a MEP does not exit the AIS state when all errors are resolved, use the clear ethern et cfm ai s

Examples The following example shows how to clear connectivity fault management (CFM) statistics from a

SMEP of an AIS defect condi tion:

Router# clear ethernet cfm statistics mpid 800

Related Commandss

mpid Indicates that a maintenance point ID (MPID) is specified.

mpid-id An integer in the range of 1 to 8191 that identifies the MPID.

Release Modification

12.2(33)SXI2 This command was introd uced.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2( 33)MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

Command Description

clear ethernet cfm ais Clears a MEP or SMEP out of the AIS de fect co ndition.

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clear ethernet cfm traceroute-cache

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clear ethernet cfm traceroute-cache

To remove the contents of the Ethernet CFM traceroute cache, use the clear ethernet cfm traceroute-cache command in privileged EXEC mode.

clear ethernet cfm traceroute-cache

Syntax Description This comm and ha s n o argume nts o r keywords .

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines Use the clear et hernet cfm trac eroute-c ach e command to remove traceroute cache entries from

previous traceroute operations issued on the device. This command also provides visibility into maintenance intermediate points and maintenance end points of a domain as they were recorded when the operation wa s per for med.

Examples The following exam pl e sh ows the clear ethernet cfm traceroute-cache command:

Router# clear ethernet cfm traceroute-cache

Related Comma nds

Release Modification

12.2(33)SRA This command was introduced.

12.4(11)T This comman d was integrated in to Cisco IOS Rele ase 12. 4(11)T.

12.2(33)SXH This command was integrated in to Cisco IOS Rele ase 12.2( 33)SXH.

12.2(33)SXI2 This command was integrated into Cisco IOS Relea se 12.2( 33)SXI2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

Command Description

ethernet c f m traceroute cache

Enables caching of Ethernet CFM data learned through traceroute messages.

show ethernet cfm traceroute-cach e

Displays the contents of the traceroute cache.

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clear ip rtp header-compress ion

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clear ip rtp header-compression

T o clea r Real-T i me T ranspor t Protocol (R TP) header comp ressio n structure s and statistic s, use the clear ip rtp header-compression privileged EXEC command.

clear ip rtp header-compression [type number]

Syntax Descri ption

Command Modes Privileged EXEC

Command History

Usage Guidelines If this command is used without an interface type and number, the command clears all RTP header

compression structures and statis tics.

Note IP Header compression will only work on host-generated traffic.

Examples The following example clears the RTP header compression structures and statistics for multilink

interface 1:

Router# clear ip rtp header-compression multilink1

Related Comma nds

type number (Optional) Interface type and number.

Release Modification

11.3 This command was introduced.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.4(19)MR2 This command was integrated into Cisco IOS Release 12.4(19)MR2.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

Command Description

ip rtp header-compression Enables RTP header compression.

Cisco MWR 2941 Router Command Reference, Release 15.0( 1)MR

clear l2protocol-tunnel counters

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clear l2protocol-tunnel counte rs

To clear the layer 2 tunnel protoc ol counte rs on the route r, use the clear l2protocol-tunnel counters command in E xec m od e.

clear l2protocol-tunnel counters [GigabitEthernet slot/port]

Syntax Description

Command Default No default settings or be haviors.

Command Modes EXEC (>)

Privileged EXEC (#)

Command History

Usage Guidelines Th is c omm and onl y a ppli es t o Gigabi t E the rnet int erfac es .

Examples This example shows how to cl ear the la ye r 2 pro to col coun ters fo r all in terfa ce s:

Router# clear l2protocol-tunnel counters Router#

Related Comma nds

GigabitEthernet (Optiona l) Sp eci fies th e a Gi gabit Ethe rn et in ter face. slot/port Slot and port num ber.

Release Modification

15.0(1)MR This comman d was introd uced.

Command Description

l2protocol-tunnel Enables the protocol tunneling on an interface and specifies the type of

protocol to be tunneled .

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clear link-protection statistics

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clear link-protection statistics

T o c lear the counters for a lin k pro tection p ort, us e the show link- protection statistics command in user EXEC or privileged EXEC mode.

clear link-p rote ct ion s tat is ti cs [ in ter fa ce int erfac e- name sl o t/port]

Syntax Descri ption

Command Modes User EXEC (>)

Privileged EXEC (#)

Command History

Usage Guidelines Th is c omm and onl y a ppli es t o Gigabi t E the rnet int erfac es .

Examples The following exam pl es p rovide sam pl e ou t put f ro m th e show link-pr otec tio n st atist ics command:

Router# clear link-protection statistics Router#

Related Comma nds

interface Specifies the interface connected to the clock input.

interface-name The name of the interface con necte d to the cloc k input. slot The slot in which card is inserted. port The port of the card.

Release Modification

15.0(1)MR This command was introd uced.

Command Description

show link protection-group statistics

Displays the counters for a lin k protect ion port.

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clear pw-udp vc counters

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clear pw-udp vc counters

T o clear counters for virtual circuits on a pseudowire connection using UDP encapsulation, use the cl ea r pw-udp vc counters command in user EX EC or privileged EXEC m ode .

clear pw-udp vc [vcid vc-id] | [vcid vc-id-min vc- id-max] [destination ip-address | name] counters

Syntax Description

Command Modes User EXEC (>)

Privileged EXEC (#)

Command History

Usage Guidelines Th is comma nd only applies to pseudowire conne ctions us ing UDP enca psulat ion.

Examples The following exam pl e s h ows out put fro m th e clear pw_udp vc counters command:

Router# clear pw-udp vc destination 1.2.3.4 counters Router#

Related Comma nds

vcid (Optional) Allows you to enter a specific VC ID for which counters are to be

cleared.

vc-id (O ptional) The VC ID numbe r. vc-id-min

vc-id-max

(Optional) Range of VCs for which counters are to be cleared. The range is from 1 to 4294967295. ( This argume nt is pr ima ril y use d f or legacy imple ment at ions. )

destination (Opt iona l) Info rma tio n abo ut the V C s tha t have be en a ssigne d VC I Ds for th e

remote router you specify.

ip-address (Optional) The IP address of the remote router. name ( Optiona l) The na me assigned t o the remo te router.

Release Modification

15.0(1)MR This command was introduced.

Command Description

show pw_udp vc Displays counters for v i rtua l c irc uit s on ps eu dowire con nec ti ons

using UDP encapsulation.

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clear spanning-tree counters

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clear spanning-tree counters

Use the clear spanning-tree counters privileged EXEC comma nd to c lea r the sp anni ng- tre e co unte rs.

clear spanning-tree counters [interface interface-id]

Syntax Descri ption

Command Default None

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines If the interface-id is not specified, spanning-tree counters are cleared for all STP ports.

Examples This example shows how to clear sp an ning- tre e co unt ers for a ll STP po rts:

Router# clear spanning-tree counters

Related Comma nds

interface interface-id (Optional) Clear all spanning-tree counters on the specified interface. Valid

interfaces includ e phys ica l ne twork n ode inte rfac es ( N NIs), e nhanc ed network interfaces (ENIs) on which spanning tree has been enabled, VLANs, and spanning-t ree por t c hanne ls . Th e V LAN r an ge is 1 to 40 94. T he port-channel rang e is 1 to 48.

Note Spanning Tree Proto col (STP) i s no t sup por ted on use r net work

interfaces (UNIs). Though visible in the command-line help, the command has no effect on UNIs or on ENIs on which STP is not enabled.

Release Modification

12.2(25)EX T his co mman d was introduce d.

15.0(1)MR T his co mmand was int egrated into Cisco IOS Rele ase 15. 0(1)MR.

Command Description

clear spanning-tree detected-protocols

Restarts the protocol mi gration pro cess.

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clear spanning-tree detected-protocols

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clear spanning-tree detected-protocols

To restart the protocol mi g ration proce s s , us e the clear spanning-tree detected-proto co ls co m mand in privileged EXEC mode.

clear spanning-tree detected-protocol [inter f a c e [interface-type interface-number | port-channel

pc-number | vlan vlan-interface]

Syntax Description

Command Default None

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines RSTP and MST have built-in compatibility mechanisms that allow them to interact properly with other

versions of IEEE spanning tree or other r egio ns. For example, a bridge running RSTP can send 802.1D BPDUs on one of its ports when it is connected to a legacy bridge. An MST bridge can detect th at a port is at the boundary of a region when it receives a legacy BPDU or an MST BPDU that is ass o ciated with a different region. These mechanisms are not always able to revert to the most efficient mode. For example, an RSTP bridge that is de signat ed for a legacy 802.1D st ays in 802.1 D mode even after the legacy bridge has been removed from the link. Similarly, an MST port assumes that it is a boundary port when the bridges, to which it is connected, have joined the same region. To force the MST port to renegotiate with the neighbors, enter the clear spanning-tree detected-protocol command.

If you enter the clear spanning-tree detected-protocols command with no arguments, the command is applied to every port of the Catalyst 6500 series switch.

interface (Optional) Specifies the interface interface-type The type of interface for which you want to clear the detected spanning tree

protocol.

interface-number The number of the interface for whic h you want to cl ear the detecte d spanning

tree protocol.

port-channel Clears the det ect ed sp an ning tre e prot ocol for a po rt-c hann el. pc-number Spec ifies th e po rt cha nnel in terfa ce. Ra nge: 1 to 282 . vlan Clears the detected spanni ng tre e pr otoc ol f or a V LAN . vlan-interface Specifies the VLAN interface. Range: 1 to 4094.

Release Modification

12.2(14)SX Support for this com mand was i ntr odu ced on the Super visor E ngine 720 .

12.2(17d)SXB Support f or thi s comma nd on the Superv iso r Eng i ne 2 was exten ded to Release 12.2(17d)SXB.

12.2(33)SRA This command was integrated into Cisc o IOS Releas e 12.2( 33)SRA.

15.0(1)MR T his co mmand was int egrated into Cisco IOS Rele ase 15. 0(1)MR.

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Examples This example shows how to resta rt the pr otocol migr ati on on a sp eci fic interfa ce:

Router# clear spanning-tree detected-protocol fa1/1 Router#

Related Commands Command Description

show spanning-tree mst Displays information about the MST pro tocol.

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clear switch tail-drop accounting

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clear switch tail-drop accounting

To reset the counters fo r tail-dr op accoun ting, use the clear switch tail-drop accounting command in privileged EXEC mode.

clear switch tail-drop accounting

Syntax Description This comm and ha s n o argume nts o r keywords .

Command Default None

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines You can use tail drop accounting to monitor packet drops on an interface or queue, on a pe r-class or

per-port basis.

Examples The following exam ple sh ows how to us e t he clear switch tail-drop accounting command.

Router# clear switch tail-drop accounting

Related Comma nds

Release Modification

12.2(33)MRB4 This command was introd uced.

15.0(1)MR This command was integrated into Cisco IO S Relea se 15.0(1)M R.

Command Description

switch tail-drop accounting

Enables tail drop acc ounting on an in terface or on a specifi c queue on an interface .

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clock update-calendar

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clock update-calendar

To perform a one-time update of the hardware clock (calendar) from the software clock, use the clock update-calendar command in use r E XEC or p rivileged EXE C mod e.

clock update-calendar

Syntax Descri ption This command has n o a rgument s o r keywords .

Command Modes User EXEC

Privileged EXEC

Command History

Usage Guidelines Some platforms have a hardware clock (calendar) in addition to a software clock. The hardware clock is

battery operated, a nd runs co nti nuou sly, even if the router is p owered o ff or re bo oted . If the software cloc k an d hard war e clock are not syn chron ize d, and the sof tw are clo ck is more accura te,

use this command to update the ha rdwar e clock to th e corr ect dat e and time .

Examples The following example co pie s t he c urr e nt da te an d ti m e fro m th e soft ware c loc k to th e ha rd ware cloc k:

Router> clock update-calendar

Related Comma nds

Release Modification

10.0 This command was introduced.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.

12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX re lea se of t his trai n depe nds on y our fea ture set , platform, and platform hardware.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.

15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.

Command Description

clock read-calendar Performs a one-time upd ate of th e software cloc k from th e hardware

clock (calendar ).

ntp update-calendar Per iodi cal ly updat es t he h ar dware cl ock f ro m th e software cloc k.

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cns config initial

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cns config initial

To enable the Cisco Networking Services (CNS) configuration agent and initiate a download of the initial configuration, use the cns config initial command in global configuration mode. To remove an existing cns config initial command from th e run ning c onfigurat ion of the routin g d evice, use t he no form of this command .

cns config initial {host-name | ip-address} [encrypt] [port-number] [page page] [syntax-check]

[no-persist] [source interface name] [status url] [event] [inventory]

no cns config ini tia l

Syntax Description

Defaults The port number defau lts to 8 0 w it h no en crypt ion a nd 44 3 wi th en cr ypti on .

Default web page of the initial configuration is /cns/config.asp.

Command Modes Global configuration (config)

host-name Hostname of the con figurat ion ser ver. ip-address IP address of the configuration server.

encrypt (Optional) Uses a Secure Sockets Layer (SSL) encrypted link to the event

gateway.

port-number (Optional) Port number of the configuration service. The value is from 0 to

65535. The default is 80 wit h n o enc r yption a nd 443 w it h enc ry pti on.

page (Optional) Indicates that the configuration is located on a web page. page (Optional) Web page where the co nfigurat ion i s loc a ted . T he d efa ult i s

/cns/config.asp.

syntax-check (Optional) Turns on syntax che ckin g. no-persist (Optional) Suppresses the default automatic writing to NVRAM of the

configuration pulled as a result of issuing the cns config initial command. If not present, issuing the cns config initial command cause s the res ultan t configuration to be automatically written to NVRAM.

source (Optional) Specifies the source of CNS communications. interface name (Optional) Interface name of the sourc e of C NS co mmuni cati on s. status url (Optional) Sends an event to the specified URL via HTTP, either notifying

successful completion of the configuration or warning that the configuration contain ed errors.

event (Optional) Sends an ev ent to the Event Bus noti fying successful completion

of the configuration or warning t hat the configuration containe d error s. If the CNS event a gent is not configure d, the ev ent will be sa ved until the CNS event ag ent is enable d. If the event keyword is not specified, a log message is sent to the console of the device after th e configurati on is compl ete.

inventory (Optional) Sends an inventory of the lin e cards and module s in the ro uter to

the CNS configuration engi ne a s p art of t he H TTP re quest .

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Command History

Usage Guidelines Us e th is co mm and w hen a basi c configura tion— c alle d a bo ot stra p con figurat ion— is a dded t o mu ltiple

routers before being deployed. Wh en a router is initially powered (or each time a router is reloade d when the no-persist keyword is used) the cns config initial command will cause a configuration file—called an initial configuration—for the router to be downloaded from the configuration server. The initial configuration can be uniqu e for e a ch r oute r.

When the configuration has been received by the router, each line of the configuration will be applied in the same order as it was received. If the Cisco IOS parser has an error with one of the lines of the configuration, then all th e configuratio n up to this poi nt will be a pplied to th e router, but none of the configuration beyond the error will be applied. If an error occurs, the command will retry until it successfully completes. Once the configuration has successfully completed the cns config initial command will be removed from the running configuration. By default, NVRAM will be updated except when the no-persist keyword is configured.

When this command is used with the event keyword, a sin gle messa ge w il l be p ubl ishe d on t he event bus after the config u ratio n is comp lete . T he event bus will displa y one o f the fol lowing status messages:

• cisco.mgmt.cns.config.complete—CNS configuration agent successfully applied the initial

configuration.

• cis co.mgmt.cns .con fig .warnin g—CNS configuration agent fu lly applie d the in itia l configuration but

encountered possible semantic errors.

When this command is used with the status keyword, a single message will be published to the URL specified after the configuration is complete.

Examples The following example shows how to enable the CNS configuration agent and initiate an initial

configuration:

Router(config)# cns config initial 10.19.4.5

Release Modification

12.2(2)T T his co mman d was introd uced.

12.0(18)ST This co mman d was integrated into C isco IOS Releas e 12.0( 18)ST.

12.0(22)S This command was integrated into Cisco IOS Releas e 12.0(22) S.

12.2(2)XB This command wa s imple me nte d on C is co IAD 24 20 seri es In tegrat ed

Access Devices (IADs).

12.2(8)T The source and encrypt keywords we re a dd ed.

12.3(1) The inventory keyword was added.

12.3(8)T The status url keyword/argument pair was added.

12.2(25)S This command was integrated into Cisco IOS Releas e 12.2(25) S.

12.2(33)SRA This command was integrated into Cisco IOS Releas e 12.2(33) SRA.

12.2(33)SB This command was integrated into C isco IOS Releas e 12.2( 33)SB.

12.2(33)SXI This command was int egrated into Cisco IO S Releas e 12.2(33) SXI.

12.4(20)MR This command was integrated into Cisco IOS Releas e12.4 (20)M R.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

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Related Commands Command Description

cns config connect-intf Specifies the interface for connecting to the CNS configuration engine. cns config notify Detects CNS configuration cha nges an d send s a n event cont ainin g t he

previous and current configurati on.

cns config retrieve Enables the CNS configuration agent and initiates a download of the initial

configuration.

cns event Configures the CNS event gateway, which provides CNS event services to

Cisco IOS clients.

show cns config status Displays information about the status of the CNS configuration agent.

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cns config partial

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cns config partial

To start the Cisco Networking Servic es (CNS) configuration agent and accept a partial co nfiguration, use the cns config partial command in globa l c on figuration mod e. To shut down the CNS partia l configuration agent, use the no form of this command.

cns config partial {host-name | ip-address} [encrypt] [port-number] [source interface name]

[inventory]

no cns config partial

Syntax Descri ption

Command Default The CNS configuration agent is not enabled to accept a partial configuration and the router does not

request or receive updates.

Command Modes Global configuration (config)

Command History

host-name Hostname of the con figurati on ser ver. ip-address IP address of the configuration server.

encrypt (Optional) Uses a Secure Sockets Layer (SSL) encrypted link between the

router and the web server.

port-number (Optional) Port number of the configuration service. The value is from 0 to

65535. The defau lt is 80 wi th n o e ncry pti on and 443 wi th e ncry pt ion.

source (O ptional) Specifies the source of this device. interface name (Optional) Interface name to use as the source of this device. inventory (Optional) Sends an inventory of the line c ards and mo dules in the r outer to

the CNS configuratio n eng i ne a s p art of the HT TP reque st.

Release Modification

12.2(2)T T his co mman d was introd uced.

12.0(18)ST This co mman d was integrated into C isco IOS Releas e 12.0( 18)ST.

12.0(22)S This command was integrated into Cisco IOS Releas e 12.0(22) S.

12.2(2)XB This command wa s imple me nte d on C is co IAD 24 20 seri es In tegrat ed

Access Devices (IADs).

12.2(8)T The source keyword and encrypt arguments were added.

12.3(1) The inventory keyword was added.

12.2(25)S This command was integrated into Cisco IOS Releas e 12.2(25) S.

12.4(4)T This command was modified to include enhanced CNS error messages.

12.2(33)SRA This command was integrated into Cisco IOS Release 12. 2(33) SRA.

12.2(33)SB This command was integrated into C isco IOS Releas e 12.2( 33)SB.

12.2(33)SXI This command was int egrated into Cisco IO S Releas e 12.2(33) SXI.

12.4(20)MR This command was integrated into Cisco IOS Releas e 12.4( 20)MR.

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Usage Guidelines Use this command to start the CNS partial configuration agent. You must enable the CNS event agent

using the cns event command before configuring this command. The CNS event agent sends an event with the subject “cisco .mgmt. cns.config.l oad” to spe cify whethe r configurat ion data c an be pushed to the CNS partial configuration agent or pulled from a configuration server by the CNS partial configuration agent.

In the push model, the event message delivers the configuration data to the partial configuration agent. In the pull model, the event message triggers the partial configuration agent to pull the configuration

data from the CNS configuration en gine. Th e event message contains infor matio n about the CN S configuration engine, not the actual configuration data. The host name or IP address is the address of the CNS configuration engine from which the configuration is pulled. Use the cns trusted-server command to specify which CNS configuration engines can be used by the CNS partial configuration agent.

When the configuration has been received by the router, each line of the configuration will be applied in the same order as it was received. If the Cisco IOS parser has an error with one of the lines of the configuration, then all th e configuratio n up to this poi nt will be a pplied to th e router, but none of the configuration beyond the error will be applied. If an error occurs, the command will retry until the configuration successfully completes. In the pull mode, the command will not retry after an error. By default, NVRAM will be updated except when the no-persist keyword is configured.

A message will be published on the CNS e vent bus after the p artial c onfiguration is complete. The CNS event bus will display one of the following status messages:

• cisco.mgmt.cns.config.complete—CNS configuration agent successfully applied the partial

configuration.

• cis co. mg mt. cns .c onf i g.w ar nin g—CNS conf iguration agen t fully applied the partial configurati on, but

encountered possible semantic errors.

• cisco.mgmt.cns.config.failure(CLI syntax)—CNS configuration agent encountered a command line

interface (CLI) syntax error and was not able to apply the partial configuration.

• cisco.mgmt.cns.co nfig.failure (CLI sem ant ic) —CN S configura tion age nt encou nt ere d a CLI

semantic error and was not able to apply the partial configuration.

Examples The following example shows how to configure the CNS partial configuration agent to accept events

from the event gateway at 172.28.129.22. The CNS partial configuration agent will connect to the CNS configuration server at 172.28.129.22, port number 80. The CNS partial configuration agent requests are redirected to a configurat ion server at 172 .28.12 9.40, port number 80.

Router(config)# cns event 172.28.129.22 Router(config)# cns trusted-server config 172.28.129.40 Router(config)# cns config partial 172.28.129.22

The following example shows an enhanced error message sent to the subject “cisco.mgmt.cns.config.results”:

[2005-09-08 14:30:44]: subject=cisco.mgmt.cns.config.results.dvlpr-7200-6, message= <?xml version="1.0" encoding="UTF-8"?> <SOAP:Envelope xmlns:SOAP="http://www.w3.org/2003/05/soap-envelope"> <SOAP:Header>

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

Release Modification

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<wsse:Security xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/04/secext" SOAP:mustUnderstand="true"> <wsse:UsernameToken> <wsse:Username>user1</wsse:Username> <wsse:Password>password1</wsse:Password> </wsse:UsernameToken> </wsse:Security> <CNS:cnsHeader Version="2.0" xmlns:CNS="http://www.cisco.com/management/cns/envelope"> <CNS:Agent>CNS_CONFIG</CNS:Agent> <CNS:Response> <CNS:correlationID>SOAP_IDENTIFIER</CNS:correlationID> </CNS:Response> <CNS:Time>2005-09-13T08:34:36.523Z</CNS:Time> </CNS:cnsHeader> </SOAP:Header> <SOAP:Body xmlns="http://www.cisco.com/management/cns/config"> <configResults version="2.0" overall="Success"> <configId>AAA</configId> </configResults> </SOAP:Body> </SOAP:Envelope>

Related Commands Command Description

cns config initial Starts the CNS configuration agent and initiates an initial configuration. cns event Enables and configures CNS event agent services. cns trusted-server Specifies a trusted server for CNS agents. show cns config

outstanding

Displays information about incremental CNS configurations that have started but are not yet completed.

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cns config retrieve

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cns config retrieve

To enable the Cisco Networking Services (CNS) configuration agent and initiate a download of the initial configuration, use the cns config retrieve command in privileged EXEC m ode.

cns config retrieve {host-name | ip-address} [encrypt] [port-number] [page page]

[overwrite-startup] [retry retries interval seconds] [ syntax- chec k] [no-persist] [source interface name] [status url] [event] [inventory]

Syntax Description host-name Ho stnam e of t he con figurati on server.

ip-address IP address of the configuration server.

encrypt (Optional) Uses a Secure Sockets Layer (SSL) encrypted link to the event

gateway.

port-number (Optional) Port number of the configuration service. The value is from 0 to

65535. The default is 80 wit h n o enc r yption a nd 443 w it h enc ry pti on.

page (Optional) Indicates that the configuration is located on a web page. page (Optional) Web page where the co nfigurat ion i s loc a ted . T he d efa ult i s

/cns/config.asp.

overwrite-startup (Optional) Replac es the start up configurat ion file. Does not ap ply to the

running configuration file.

retry retries (Optional) Specifies the retry interval. The range is 0 to 100. The default is

interval seconds (Optional) Specif ies th e time in seco nds, be for e the n e xt attempt to request

the configuration of a device from a configurati on server. The range is 1 to

3600.

syntax-check (Optional) Turns on syntax che ckin g. no-persist (Optional) Suppresses the default automatic writing to NVRAM of the

configuration pulled as a result of issui ng the cns config r etriev e command. If not present, issuing the cns conf ig re trieve command c auses the res ultant configuration to be automatically written to NVRAM.

source (Optional) Specifies the source of CNS communications. interface name (Optional) Interface name of the so urce of the co nfigurat ion. status url (Optional) Sends the configuration the specified URL via HTTP, either

notifying successful completion of the configuration or warning that the configuration contain ed errors.

event (Optional) Sends an event to the CNS Event Bus stating successful

completion of the conf iguration, a w arning that the conf iguration contained errors, or a message noting that the configuration failed. If the CNS event agent is not configured, the event will be saved until the CNS event agent is enabled. If the event keyword is not speci fied, a log me ssag e i s sent to the console of th e device af ter the con figurat ion is c omp lete .

inventory (Optional) Sends an inventory of the lin e cards and module s in the ro uter to

the CNS configuration engi ne a s p art of t he H TTP re quest .

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Defaults The port number defau lts to 8 0 w it h no en crypt ion a nd 44 3 wi th en cr ypti on .

Default web page of the initial configuration is /cns/config.asp.

Command Modes Privileged EXEC (#)

Command History

Usage Guidelines Us e this comma nd to reque st the configurat ion of a device from a configura tion server. Use the cns

trusted-server command to specify which configuration server can be used (trusted). When the configuration has been received by the router, each line of the configuration will be applied

in the same order as it was received. If the Cisco IOS parser has an error with one of the lines of the configuration, then all th e configuratio n up to this poi nt will be a pplied to th e router, but none of the configuration beyond the error will be applied. If an error occurs, the command will not retry.

A single message will be publi shed on the e vent b us after the p artial conf iguration is compl ete. The e vent bus will display one of the following status messages:

• cisco.mgmt.cns.config.complete—CNS configuration agent successfully applied the configuration.

• cisco.mgmt.cns.config.warning—CNS configuration agen t fu lly appl ie d the co nfigurat ion, but

encountered possible semantic errors.

• cisco.mgmt.cns.config.failure—CNS configuration agent encountered an error and was not able to

apply the configuration .

The cns config r etri ev e command can be used with Command Scheduler commands (for example, kron policy-list and cli commands) in environments where it is not practical to use the CNS event agent and the cns conf ig partial command. Configured within the cli command , the cns config retrieve command can be used to poll the co nfiguration server to dete ct configur ation changes.

Release Modification

12.2(2)T T his co mman d was introd uced.

12.0(18)ST This co mman d was integrated into C isco IOS Releas e 12.0( 18)ST.

12.0(22)S This command was integrated into Cisco IOS Releas e 12.0(22) S.

12.3(1) The inventory keyword was added.

12.2(25)S This command was integrated into Cisco IOS Releas e 12.2(25) S.

12.2(33)SRA This command was integrated into Cisco IOS Releas e 12.2(33) SRA.

12.4(15)T The retry retries and interval seconds keywords an d arguments were

added.

12.2(33)SRC This command was int egrated into Cisco IO S Releas e 12.2( 33)SRC.

12.2(33)SB This command was integrated into C isco IOS Releas e 12.2( 33)SB.

12.2(33)SXI This command was int egrated into Cisco IO S Releas e 12.2(33) SXI.

12.4(20)MR This command was incorpo rat ed.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

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You can use the optional retry and interval keywords to specify an amount of time in seconds to wait before attempting to retrieve a configuratio n from a truste d server. The n umb er of retrie s is restricted to 100 to prevent the configuration agent from indefinitely attempting to reach an unreachable server. Use the keyboard combination Ctrl-Shift -6 to abort this command.

Examples The following example sh ows how to reque st a c onfigura ti on fr om a trus ted ser ver at 1 0.1.1 .1:

Router(config)# cns trusted-server all 10.1.1.1 Router(config)# exit Router# cns config retrieve 10.1.1.1

The following example sh ows how to reque st a con figurat ion fr om a t rus ted ser ver at 1 0. 1.1 .1 and to configure a CNS configuration ret rieve interval:

Router(config)# cns trusted-server all 10.1.1.1 Router(config)# exit Router# cns config retrieve 10.1.1.1 retry 50 interval 1500 CNS Config Retrieve Attempt 1 out of 50 is in progress Next cns config retrieve retry is in 1499 seconds (Ctrl-Shft-6 to abort this command). .. 00:26:40: %CNS-3-TRANSPORT: CNS_HTTP_CONNECTION_FAILED:10.1.1.1 -Process= "CNS config retv", ipl= 0, pid= 43 00:26:40: %CNS-3-TRANSPORT: CNS_HTTP_CONNECTION_FAILED -Process= "CNS config retv", ipl=

0, pid= 43......

Related Commands Command Description

cli Specifies EXEC CLI commands within a Command S cheduler policy

list.

cns config initial Starts the CNS configuration agent and initiates an initial

configuration.

cns trusted-server Specifies a trusted server for CNS agents. kron policy-list Specifies a name for a Command Scheduler policy and enters

kron-policy configuration mode .

show cns config status Displays information about the status of the CNS configuration

agent.

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cns event

To configure the Cisco Networ king Se rvic es (CN S) event gateway, which provides CNS event services to Cisco IOS clients, use the cns event command in glob al co nf igu ratio n mod e. To remove the specif ied event gateway from the gateway list, use the no form of this command.

cns event {host-na me | ip-address} [encrypt] [port-number] [backup] [failover-time seco nds ]

[keepalive seconds retry-count] [source interface-name] [clock-timeout time] [reconnect time]

no cns event [host-n ame | ip -address] [port-n umbe r] [encrypt] [backup] [fai lover-time seconds]

[keepalive seconds retry-count] [source interface name] [clock-timeout tim e ] [reconnect time]

Syntax Descri ption

Command Default No CNS event gateway is configured.

host-name Hostname of the event gateway. ip-address IP address of the event gateway.

encrypt (Optional) Uses a Secure Sockets Layer (SSL) encrypted link to

the event gateway.

Note This keyword is available only in images that support

SSL.

port-number (Optional) Port n u mb er f or t he event ga teway.

• Valid range is from 0 to 65535. The default is 11011 with no

encryption or 11012 with encryptio n.

backup (Optional) Indic ates a back up gateway.

• If omitted, indicates the primary gateway. A primary

gateway must be configured befor e you c an c onfigure a backup gateway. Optional keywords, if omitted, are set a s for the primary gateway.

failover-time seconds (Opt iona l) Sp ec ifies a tim e i nter val, in se c onds , to wai t fo r th e

primary gateway route aft er the ro ute to the ba ckup gat eway is established.

• Valid range is from 0 to 65535. The default is 3.

keepalive seconds retry-count (Optional) Specifies a keepalive timeout, in seconds, and retry

count.

source interface-name ( Optiona l) Indicate s the interfac e name of the sour ce for CNS

communications.

clock-timeout time (Optional) Specifies the maximum time, in minutes, that the

CNS event agent will wait for the clock to be set for transports (such as SSL) that require an accurate clock. The default is 10.

reconnect time (Optio nal) Sp eci fies the co nfigurab le uppe r lim it o f t h e

maximum retry timeout, in seconds.

• The valid range is from 1 to 65535. The default is 360 0.

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Command Modes Global configuration (config)

Command History

Usage Guidelines The CNS event agent must be enabled before any of the other CNS agents are configured because the

CNS event agent provides a transport connection to the CNS event bus for all other CNS agents. The other CNS agents use th e connectio n to the CNS ev ent b us t o send and recei v e messages. The CNS e v ent agent does not read or mod ify th e messa ges.

The failover-time keyword is useful if yo u h ave a backup CN S event gateway configured . If the CNS event agent is trying to connect to the gateway and it discovers that the route to the backup is available before the route to the primary gateway, the seconds argument specifies how long the CNS event agent will continue to sear ch for a ro ute to th e prim ary gateway before attempt ing to li nk to the ba ckup gateway.

Unless you are using a bandwidth-constrained link, yo u should set a keepalive timeo ut and retry count. Doing so allows the management ne twork to recover grace fully shou ld a Cisco IE2100 co nfiguration engine ev er f ail. Without the k eepal i ve da ta, such a fail ure req uires ma nual interv ention o n e ver y de vice . The value of the second s argument multiplied by the value of the retry-count argument determine s the length of idle time before the CNS event agent will disconnect and attempt to reconnect to the gateway. We recommend a m ini mu m retry-count of two.

If the optional source keyword is used, the source IP address might be a secondary IP addre ss of a specific interface to allow a management networ k to run on top of a produ ction network.

If network connectivity between the Cisco IOS router running the CNS event agent and the gateway is absent, the event agent goes into an exponential backoff retry mode and gets stuck at the maximum limit (which may be hours). The reconnect-time keyword allows a configurable upper limit of th e m axim um retry timeout.

If you configure CNS passwords using the cns password command, existing event connections will be closed and re op ened.

Release Modification

12.2(2)T Thi s comm and was int roduced.

12.0(18)ST This comm and was integrated in to the Cisco IOS Re lease 12.0( 18)ST.

12.0(22)S This command was integrated into Cisco IOS Release 12.0(22) S.

12.2(2)XB This command was impl eme nte d o n C isco IA D24 20 ser ies In tegrate d Access Devices (IADs).

12.2(8)T The encrypt, init-retry, source, and force-fmt1 keywords were ad ded.

12.3 The reconnect-time keyword was added.

12.3(1) The init-retry keyword was replaced with the failover-time keyword. The force-fmt1 keyword was removed. The clock-timeo ut keyword was added.

12.2(25)S This command was integrated into Cisco IOS Release 12.2(25) S.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2( 33)SRA.

12.2(33)SB This command was integrated into Cisco IOS Rel ease 12. 2(33)SB.

12.2(33)SXI This command was integrated into Cisco IOS Rele ase 12.2( 33)SXI.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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Examples The following example shows how to set the address of the primary CNS event gateway to the

configuration engine soft ware runn in g on IP add ress 1 0.1 .2. 3, port 11011, w ith a keep alive of 60 seconds and a retry count of 5:

Router(config)# cns event 10.1.2.3 11011 keepalive 60 5

Related Commands Command Description

cns id Sets the unique event ID, config ID, or image ID used by CNS service s. cns password Configures a CNS pa ssword. show cns event status Displays status information about the CNS event agent.

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cns exec

To enable and configu re th e C isco Networ king Se rvic es ( CN S) exec ag en t, wh ich provi des CN S exec agent services to Cisco IOS clients, use the cns exec command in global configuration mode. T o disable the use of CNS exec agent ser vic es, us e the no fo rm of this comm and.

cns exec [host-name | ip-address] [encrypt [enc-port-number]] [port-number]

[source interface name]

no cns exec [ host- name | ip- address] [encrypt [enc-port-number]] [port-number]

[source interface na m e]

Syntax Description

Defaults No CNS exec agent is configured.

Command Modes Global configuration (config)

Command History

Usage Guidelines The CNS exec agent allows a remote application to execute an EXEC mode command-line interface

(CLI) command on a Cisc o IOS d evice by sendin g an event message c ontai ning the comm and. A restricted set of EXEC CLI commands—show commands—are supported.

host-name (Optional) Host name of the exec server. ip-address (Optional) IP addre ss of the exec server.

encrypt (Optional) Uses a Secure Sockets Layer (SSL) encrypted link to the exec

agent server.

Note This keyword is available only in images that support SSL.

enc-port-number (Optional) Port num ber for th e e ncry pt ed exec ser ver. The default i s 4 43. port-number (Optional) Port number for the exec server. The default is 80.

source (Optional) Specifies t he use of an I P a ddress de fined by the ip -address

argument as the source for CNS exec agent communications.

interface name (Optional) Interface name.

Release Modification

12.3(1) This command was introduced.

12.2(25)S This command was integrated into Cisco IOS Release 12.2(25) S.

12.2(33)SRA This command was integrated into Cisco IOS Release 12.2( 33)SRA.

12.2(33)SB This command was integrated into Cisco IOS Rel ease 12. 2(33)SB.

12.2(33)SXI This command was integrated into Cisco IOS Rele ase 12.2( 33)SXI.

12.4(20)MR This command was integrated into Cisco IOS Release 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33) MRA.

15.0(1)MR This command was integrated into Cisco IOS Rele ase 15.0( 1)MR.

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In previous Cisco I OS re lease s, the CNS e x ec agent was e nabl ed when the CNS conf ig uratio n ag ent w as enabled through the cns co nfig part ia l command.

Examples The following example shows how to enable the CNS exec agent with an IP address of 10.1.2.3 for the

exec agent server, a port number of 93, a nd a so urce I P addr ess of 172. 17. 2.2:

Router(config)# cns exec

10.1.2.3

93 source 172.17.2.2

Related Commands Command Description

cns event Enables and configures CNS event agent services. show cns event subject Displays a list of CNS event agent subjects that are subscribed to by

applications.

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cns id

To set the unique event ID, config ID, or image ID used by Cisco Ne tworking Ser vices (CNS), u se the cns id command in global configuration mode. To set the identifier to the hostname of the Cisco IOS device, use the no form of this command.

If ID Choice Is an IP Address or MAC Address

cns id type nu mbe r {ipaddress | mac-address} [event | image] no cns id type number {ipaddress | mac-address } [eve nt | image]

If ID Choice Is Anything Else

cns id {hardware-serial | hostname | string string | udi} [event | ima ge] no cns id {hardware-serial | hostname | string string | udi} [event | image]

Syntax Description

Command Default The system defaults to the h ostname o f the Cisc o IO S device as t he u nique I D.

Command Modes Global configuration (config)

type number Type of interface (for exa mple , ethernet, group-async, loopback, or

virtual-template) and the interface number.

• Indicates from which interface the IP or MAC address should be

retrieved in order to define the unique ID.

ipaddress Uses the IP address specified in the type number arguments as the unique ID. mac-address Uses the MAC address specified in the type number arguments as the

unique ID.

event (Optional) Sets this ID to be the ev ent ID v alue, which is used to iden tify the

Cisco IOS device for CNS event services.

• If both optional keywords are omitted, t he event ID is set to the

hostname of the Cisco IOS device.

image (Optional) Sets this ID to be the image ID value, which is used to identify

the Cisco IOS device for CNS image agent services.

• If both optional keywords are omitte d, the im age ID is set t o the

hostname of the Cisco IOS device.

hardware-ser ia l Uses the hardware ser ial num ber as the un ique ID. hostname Uses the hostname as the unique ID. This is the system default. string string Uses an arbitrary text string—typically the hostname—as the unique ID. udi Uses th e pr oduct Un iq ue D evice I dent ifier (UD I) a s t he uni qu e ID .

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Command History

Usage Guidelines Use this command to set the unique ID to the CNS configuration agent, which then pulls the initial

configuration template to the Ci sco IOS device during boo tup. You can set one or all three IDs: the config ID value for CNS configuration services, th e event ID value

for CNS eve nt se rv ice s , and th e im ag e ID valu e f or C NS im ag e agen t s erv ice s. To set all values, use the command thre e tim e s.

To set the CNS event ID to the host name of the Cisco IOS device, use the no form of this command with the event keyword. To set the CNS config ID to the host name of the Cisco IOS device, use the no form of this command without the event keyword. To set the CNS image ID to the host name of the Cisco IOS device, use the no form of this command with the image keyword.

Unique Device Identifier

Each identifiable Cisco product is an entity, as defined by the Entity MIB (RFC-2737) and its supporting documents. Some entities, such as a chassis, will have subentities like slots. An Ethernet switch might be a member of a superentity, such as a stack. Most Cisco entities that are orderable products will leave the factory with an assigned UDI. The UDI information is printed on a label that is affixed to the physical hardware device, and it is also stored electronically on the device in order to facilitate remote retrieval. To use UDI retrieval, the Cisco pro duct in use m ust be UD I-ena ble d.

A UDI consists of the following elements:

• Product identifier (PID)

• Version identifier (VID)

• Serial number (SN)

The PID is the name by which a product ca n be ordere d; histori cally, it has been called the “Produ ct Name” or “Part Number.” This identifier is the one to use to order an exact replacement part.

The VID is the version o f t he p rod uc t. Wh en a pro duct is revised, th e VI D i s i ncre men te d acc ord ing to a rigorous process derived from Telcordia GR-209-CORE, an industry guide line tha t governs product change notice s.

The SN is the vendor-uni que ser ial iz ati on of t he prod uc t. Ea ch m an ufac ture d pro duc t c a rrie s a uni qu e serial number assigned at the facto ry, which cannot be changed in the field. The serial nu mber is us ed to identify an i ndividual, sp eci fic ins tanc e of a prod uc t.

Release Modification

12.2(2)XB This command was introduce d on Cisco IAD242 0 series IADs .

12.2(8)T T his co mman d was integrated in to Cisco IOS Rel eas e 12.2(8)T. The

dns-reverse keyword was removed.

12.3(1) The optional image keyword was added to set an image ID.

12.3(14)T The udi keyword was added to use th e pro duct UD I as the uni que I D .

12.2(25)S This command was integrated into Cisco IOS Releas e 12.2(25) S.

12.2(33)SRA This command was integrated into Cisco IOS Releas e 12.2(33) SRA.

12.2(33)SB This command was integrated into C isco IOS Releas e 12.2( 33)SB.

12.2(33)SXI This command was int egrated into Cisco IO S Releas e 12.2(33) SXI.

12.4(20)MR This command was integrated into Cisco IOS Releas e 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

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Note The udi keyword will create an ID consisting of the PID, VID, and SN values. Any spaces in PID, VID

and SN values will be r emoved. To view the UDI for thi s p rod uc t, u se th e show inventory comman d. This keyword is not available in Cisco IOS Re le ase 1 2.2(3 3)SR A.

Examples The followin g e x a mp le s hows how to pass th e ho stn am e of the Cis co IOS de v ice as th e co nfig ID value :

Router(config)# cns id hostname

The following example sh ows how to pa ss the h ardware se ria l nu mb er of the Cisco I OS device as the event ID value:

Router(config)# cns id hardware-serial event

The following example shows how to pass the UDI as the event ID value:

Router(config)# cns id udi event

The following example shows how to pass the IP address of Ethernet interface 0/1 as the image ID value:

Router(config)# cns id ethernet 0/1 image

Related Commands Command Description

cns event Enables the CNS event gateway, which provides CNS event services to

Cisco IOS clients.

cns image Enables the CNS image agent services to Cisco IOS clients. show i nven t ory Displays the product inventory listing for all Cisco products that are installed

in a networking device.

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cns image password

T o con fig ure a pas sword to use with the Cisco Networ king Ser vices (C NS) image ag ent serv ices, use th e

cns image password command in global configuration mode. To disable the use of a password, use the no form of this command.

cns image password image-password no cns image password image-password

Syntax Descri ption

Command Default No password is used with the CNS image agent services.

Command Modes Global configuration (config)

Command History

Usage Guidelines Use this command to create a password that is sent with the image ID in all CNS image agent messages.

The recipient of these messages can use this information to authenticate the sending device. This password may be differen t fr om the us erna me and passwor d used f or HTT P b asic aut hent ic ation configured with other CNS image agent commands.

Examples The following example shows how to configure a password to be used for the CNS image agent services:

Router(config)# cns image password textabc

Related Comma nds

image-password Password to be used f or CNS i m age ag en t se rvic es .

Release Modification

12.3(1) This command was introd uced.

12.2(31)SB2 This command was integrate d into Cisco IOS Rel ease 12. 2(31) SB2.

12.2(33)SRB This command was int egrated into Cisco IO S Releas e 12.2( 33)SRB.

12.2(33)SB This command was integrated into C isco IOS Releas e 12.2( 33)SB.

12.2(33)SXI This command was int egrated into Cisco IO S Releas e 12.2(33) SXI.

12.4(20)MR This command was integrated into Cisco IOS Releas e 12.4( 20)MR.

12.2(33)MRA This command was integrated into Cisco IOS Release 12. 2(33) MRA.

15.0(1)MR This command was integrate d into Cisco IO S Releas e 15.0( 1)MR.

Command Description

cns id Sets the unique event ID, config ID, or image ID used by CNS

services.

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Frequently Asked Questions

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