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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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STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT
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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display
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illustrative content is unintentional and coincidental.
Cisco MWR 2941 Router Command Reference, Release 15.0(1)M R
© 2011 Cisco Systems, Inc. All rights res erved.
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CONTENTS
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 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 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 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
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.
ais [expiry -thres ho ld threshold | level level-id | period seconds | suppress-alarms]
no ais [expiry-threshold | level | period | suppress-alarms]
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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