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show cdp

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show cdp Chapter 22 Show Commands Send documentation comments to [email protected] show cdp To display CDP parameters configured globally or for a specific interface, use the show cdp command. show cdp {all | entry [all | name cdp-name] | global | interface [gigabitethernet slot/port | mgmt 0] | neighbors [detail | interface {gigabitethernet slot/port | mgmt 0}] | traffic interface [gigabitethernet slot/port | mgmt 0]} Syntax Description all entry all name cdp-name global gigabitethernet slot/port mgmt 0 neighbors detail interface traffic Displays all enabled CDP interfaces. Displays CDP database entries. Displays all CDP entries in the database Displays CDP entries that match a specified name. Maximum length is 256 characters. Displays global CDP parameters. Specifies the Gigabit Ethernet interface at the slot number and port number separated by a slash (/). Specifies the Ethernet management interface. Displays all CDP neighbors. Displays detailed information for all CDP neighbors Displays CDP information for neighbors on a specified interface. Displays CDP traffic statistics for an interface. Defaults None. Command Modes EXEC mode. Command History Release 1.1(1) Modification This command was introduced. Usage Guidelines This command is allowed only on the active supervisor module in the Cisco MDS 9500 Series. Examples The following example displays all CDP capable interfaces and parameters: switch# show cdp all GigabitEthernet4/1 is up CDP enabled on interface Sending CDP packets every 60 seconds Holdtime is 180 seconds GigabitEthernet4/8 is down CDP enabled on interface Sending CDP packets every 60 seconds Holdtime is 180 seconds 22-18 Cisco MDS 9000 Family Command Reference OL-18089-01, Cisco MDS NX-OS Release 4.x

Section	Page
Cisco MDS 9000 Family Command Reference, Release 4.x	1
Contents	3
New and Changed Information	35
Preface	41
CLI Overview	47
About the Switch Prompt	48
About the CLI Command Modes	49
Understanding CLI Command Hierarchy	50
EXEC Mode Options	51
Configuration Mode Options	53
Navigating Through CLI Commands	59
Getting Help	59
Command Completion	59
Using the no and Default Forms of Commands	60
Port Names and Port Mapping	60
Entering CLI Commands	62
Viewing Switch Configurations	62
Saving a Configuration	65
Clearing a Configuration	65
Searching and Filtering CLI Output	66
Multiple Filter Commands	67
Searching and Filtering CLI Output Examples	67
Displaying Users	70
Sending Messages to Users	70
Using the ping Command	70
Using traceroute	71
Setting the Switch’s Shell Timeout	71
Setting the Switch’s Terminal Timeout	72
Setting the Switch’s Terminal Type	72
Setting the Switch’s Terminal Length	72
Setting the Switch’s Terminal Width	73
Displaying Terminal Settings	73
Using CLI Variables	73
User-Defined CLI Session Variables	73
User-Defined CLI Persistent Variables	74
System Defined Variables	75
Using Command Aliases	76
Defining Command Aliases	76
About Flash Devices	76
Internal bootflash:	77
External CompactFlash (Slot0)	77
Formatting Flash Disks and File Systems	77
Initializing bootflash:	78
Formatting Slot0:	78
Using the File System	78
Setting the Current Directory	79
Displaying the Current Directory	79
Listing the Files in a Directory	79
Creating a New Directory	80
Deleting an Existing Directory	80
Moving Files	80
Copying Files	81
Deleting Files	81
Displaying File Contents	81
Saving Command Output to a File	82
Directing show Command Output to a File	82
Compressing and Uncompressing Files	82
Displaying the Last Line in a File	83
Executing Commands Specified in a Script	83
Setting the Delay Time	84
Role-Based CLI	84
Using Valid Formats and Ranges	85
Using Debug Commands	86
Generating debug Command Output	87
Redirecting debug and Error Message Output	87
A Commands	93
aaa accounting logsize	94
aaa accounting default	95
aaa authentication dhchap default	96
aaa authentication iscsi default	97
aaa authentication login	98
aaa authentication login password-aging enable	100
aaa group server	101
abort	103
action cli	104
action counter	105
action event-default	107
action exception log	108
action forceshut	109
action overbudgetshut	110
action policy-default	111
action reload	112
action snmp-trap	113
action syslog	114
active equals saved	116
alert-group	117
arp	119
attach	120
attachpriv	121
attributes (DMM job configuration submode)	122
attribute failover auto	123
attribute qos	124
authentication	125
autonomous-fabric-id (IVR topology database configuration)	127
autonomous-fabric-id (IVR service group configuration)	129
autonomous-fabric-id database	131
auto-volgrp	132
B Commands	133
banner motd	134
boot	136
bport	138
bport-keepalive	139
broadcast	140
C Commands	141
callhome	142
callhome test	144
cd	145
cdp	146
cfs distribute	148
cfs ipv4 distribute	150
cfs ipv4 mcast-address	152
cfs ipv6 distribute	154
cfs ipv6 mcast-address	156
cfs region	158
cfs static-peers	160
channel mode active	161
channel-group	162
cimserver	163
cimserver clearcertificate	165
cimserver loglevel	166
class	167
clear accounting log	169
clear arp-cache	170
clear asic-cnt	171
clear callhome session	173
clear cdp	174
clear cores	175
clear counters (EXEC mode)	176
clear counters (SAN extension N port configuration mode)	177
clear crypto ike domain ipsec sa	178
clear crypto sa domain ipsec	179
clear debug-logfile	180
clear device-alias	181
clear dpvm	182
clear dpvm merge statistics	183
clear fabric-binding statistics	184
clear fcanalyzer	185
clear fcflow stats	186
clear fcns statistics	187
clear fcs statistics	188
clear fctimer session	189
clear fc-redirect config	190
clear fc-redirect decommission-switch	191
clear ficon	193
clear fspf counters	194
clear install failure-reason	195
clear ip access-list counters	196
clear ips arp	197
clear ips stats	198
clear ips stats fabric interface	199
clear ipv6 access-list	200
clear ipv6 neighbors	201
clear islb session	202
clear ivr fcdomain database	203
clear ivr service-group database	204
clear ivr zone database	205
clear license	206
clear line	207
clear logging	208
clear ntp	209
clear port-security	210
clear processes log	212
clear qos statistics	213
clear radius session	214
clear rlir	215
clear rmon alarms	217
clear rmon all-alarms	218
clear rmon hcalarms	219
clear rmon log	220
clear role session	221
clear rscn session vsan	222
clear rscn statistics	223
clear santap module	224
clear ssm-nvram santap module	225
clear scheduler logfile	226
clear screen	227
clear scsi-flow statistics	228
clear sdv	229
clear snmp hostconfig	230
clear ssh hosts	231
clear system reset-reason	232
clear tacacs+ session	233
clear tlport alpa-cache	234
clear user	235
clear vrrp	236
clear zone	237
cli alias name	238
cli var name (EXEC)	240
cli var name (configuration)	242
clock	243
clock set	245
cloud discover	246
cloud discovery	247
cloud-discovery enable	249
cluster	250
code-page	251
commit	253
commit (DMM job configuration submode)	254
contract-id	255
configure terminal	256
copy	257
copy licenses	260
copy ssm-nvram standby-sup	261
counter	262
crypto ca authenticate	264
crypto ca crl request	266
crypto ca enroll	268
crypto ca export	270
crypto ca import	272
crypto ca test verify	274
crypto ca trustpoint	275
crypto global domain ipsec security-association lifetime	277
crypto ike domain ipsec	278
crypto ike domain ipsec rekey sa	279
crypto ike enable	280
crypto ipsec enable	281
crypto key generate rsa	282
crypto key zeroize rsa	284
crypto map domain ipsec (configuration mode)	286
crypto map domain ipsec (interface configuration submode)	288
crypto transform-set domain ipsec	289
customer-id	291
D Commands	293
data-pattern-file	294
deadtime (radius group configuration)	295
deadtime (tacacs+ group configuration)	296
delete	297
delete ca-certificate	299
delete certificate	300
delete crl	302
deny (IPv6-ACL configuration)	303
description	306
destination interface	307
destination-profile	309
device-alias (IVR fcdomain database configuration submode)	312
device-alias (SDV virtual device configuration submode)	313
device-alias abort	314
device-alias commit	315
device-alias database	316
device-alias distribute	317
device-alias import fcalias	318
device-alias mode enhanced	319
device-alias name	321
dir	322
disable	324
discover	325
discover custom-list	326
discover scsi-target	327
distribute	329
dmm module	330
dmm module job	332
do	334
dpvm abort	336
dpvm activate	337
dpvm auto-learn	338
dpvm commit	340
dpvm database	341
dpvm database copy active	343
dpvm database diff	344
dpvm distribute	346
dpvm enable	347
dpvm overwrite-duplicate-pwwn	348
dscp	349
duplicate-message throttle	350
Debug Commands	351
debug aaa	352
debug all	354
debug biosd	355
debug bootvar	356
debug callhome	357
debug cert-enroll	359
debug cdp	361
debug cfs	363
debug cimserver	365
debug cloud	366
debug core	368
debug device-alias	369
debug dmm-debug	371
debug dpvm	373
debug dstats	375
debug ethport	376
debug exceptionlog	378
debug fabric-binding	379
debug fc-tunnel	381
debug fc2	383
debug fc2d	385
debug fcc	387
debug fcdomain	389
debug fcfwd	391
debug fcns	393
debug fcs	395
debug fcsp-mgr	397
debug fdmi	399
debug ficon	401
debug flogi	403
debug fm	405
debug fspf	406
debug hardware arbiter	408
debug idehsd	409
debug ike	410
debug ilc_helper	411
debug ipacl	412
debug ipconf	413
debug ipfc	414
debug ips	415
debug ipsec	417
debug isns	419
debug ivr	421
debug klm	423
debug license	425
debug logfile	426
debug mcast	428
debug mip	430
debug module	431
debug ntp	432
debug npv	433
debug obfl	435
debug platform	436
debug plog	438
debug port	439
debug port-channel	441
debug port-resources	442
debug qos	444
debug radius	445
debug rd-reg	447
debug rdl errors	448
debug rib	449
debug rlir	450
debug rscn	451
debug san-ext-tuner	452
debug scsi-flow	454
debug scsi-target	456
debug sdv	457
debug security	459
debug sensor	460
debug sme	461
debug snmp	463
debug span	465
debug system health	467
debug tacacs+	469
debug tcap	471
debug tlport	472
debug ttyd	473
debug vni	474
debug vrrp	475
debug vsan	477
debug wr-reg	479
debug wwn	480
debug xbar	482
debug xbar_driver	483
debug xbc	484
debug zone	485
E Commands	487
email-contact	488
enable	489
encryption	490
end	491
enrollment terminal	492
errdisable detect cause link-down	493
event	495
event manager applet	500
event manager policy	501
event manager environment	502
exit	503
F Commands	505
fabric	506
fabric-binding activate	507
fabric-binding database copy	509
fabric-binding database diff	510
fabric-binding database vsan	511
fabric-binding enable	513
fabric-membership	514
fcalias clone	515
fcalias name	516
fcalias rename	517
fcanalyzer	518
fcc enable	520
fcc priority	521
fcdomain	522
fcdomain abort vsan	525
fcdomain commit vsan	526
fcdomain distribute	527
fcdomain rcf-reject	528
fcdroplatency	529
fcflow stats	531
fcid-allocation	533
fcid-last-byte	535
fcinterop fcid-allocation	536
fcinterop loop-monitor	537
fcip enable	538
fcip profile	539
fcns proxy-port	540
fcns reject-duplicate-pwwn vsan	541
fcping	542
fc-redirect version2 enable	544
fcroute	546
fcrxbbcredit extended enable	548
fcs plat-check-global vsan	549
fcs register	550
fcs virtual-device-add	551
fcsp dhchap	552
fcsp enable	555
fcsp timeout	556
fctimer	557
fctimer abort	558
fctimer commit	559
fctimer distribute	560
fctrace	561
fc-tunnel	562
feature	564
ficon enable	566
ficon logical-port assign port-numbers	568
ficon port default-state prohibit-all	569
ficon slot assign port-numbers	570
ficon swap	572
ficon-tape-accelerator vsan	574
ficon vsan (EXEC mode)	576
ficon vsan (configuration mode)	578
file	579
find	580
flex-attach virtual-pwwn	581
flex-attach virtual-pwwn auto	582
flex-attach virtual-pwwn interface	583
format	584
fspf config vsan	586
fspf cost	588
fspf dead-interval	589
fspf enable vsan	590
fspf hello-interval	591
fspf passive	592
fspf retransmit-interval	593
G Commands	595
group	596
gzip	597
gunzip	599
H Commands	601
hash	602
host	603
hw-module logging onboard	605
I Commands	607
identity	608
in-order-guarantee	610
initiator	611
install all	612
install clock-module	618
install license	620
install module bios	621
install module epld	622
install module loader	624
install ssi	625
interface	626
interface bay \| ext	628
interface fc	629
interface fc-tunnel	631
interface fcip	633
interface gigabitethernet	636
interface iscsi	638
interface mgmt	640
interface port-channel	641
interface sme	643
interface sme (Cisco SME cluster node configuration submode)	644
interface vsan	646
ip access-group	647
ip access-list	649
ip address (FCIP profile configuration submode)	652
ip address (interface configuration)	653
ip-compression	654
ip default-gateway	656
ip default-network	657
ip domain-list	658
ip domain-lookup	659
ip domain-name	660
ip name-server	661
ip route	662
ip routing	663
ips netsim delay-ms	664
ips netsim delay-us	665
ips netsim drop nth	666
ips netsim drop random	668
ips netsim enable	670
ips netsim max-bandwidth-kbps	671
ips netsim max-bandwidth-mbps	672
ips netsim qsize	673
ips netsim reorder	674
ipv6 access-list	676
ipv6 address	677
ipv6 address autoconfig	679
ipv6 enable	680
ipv6 nd	681
ipv6 route	683
ipv6 routing	685
ipv6 traffic-filter	686
iscsi authentication	687
iscsi duplicate-wwn-check	689
iscsi dynamic initiator	691
iscsi enable	693
iscsi enable module	694
iscsi import target fc	695
iscsi initiator idle-timeout	696
iscsi initiator ip-address	697

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1,075
1,076
1,077
1,078
1,079
1,080
1,081
1,082
1,083
1,084
1,085
1,086
1,087
1,088
1,089
1,090
1,091
1,092
1,093
1,094
1,095
1,096
1,097
1,098
1,099
1,100
1,101
1,102
1,103
1,104
1,105
1,106
1,107
1,108
1,109
1,110
1,111
1,112
1,113
1,114
1,115
1,116
1,117
1,118
1,119
1,120
1,121
1,122
1,123
1,124
1,125
1,126
1,127
1,128
1,129
1,130
1,131
1,132
1,133
1,134
1,135
1,136
1,137
1,138
1,139
1,140
1,141
1,142
1,143
1,144
1,145
1,146
1,147
1,148
1,149
1,150
1,151
1,152
1,153
1,154
1,155
1,156
1,157
1,158
1,159
1,160
1,161
1,162
1,163
1,164
1,165
1,166
1,167
1,168
1,169
1,170
1,171
1,172
1,173
1,174
1,175
1,176
1,177
1,178
1,179
1,180
1,181
1,182
1,183
1,184
1,185
1,186
1,187
1,188
1,189
1,190
1,191
1,192
1,193
1,194
1,195
1,196
1,197
1,198
1,199
1,200
1,201
1,202
1,203
1,204
1,205
1,206
1,207
1,208
1,209
1,210
1,211
1,212
1,213
1,214
1,215
1,216
1,217
1,218
1,219
1,220
1,221
1,222
1,223
1,224
1,225
1,226
1,227
1,228
1,229
1,230
1,231
1,232
1,233
1,234
1,235
1,236
1,237
1,238
1,239
1,240
1,241
1,242
1,243
1,244
1,245
1,246
1,247
1,248
1,249
1,250
1,251
1,252
1,253
1,254
1,255
1,256
1,257
1,258
1,259
1,260
1,261
1,262
1,263
1,264
1,265
1,266
1,267
1,268
1,269
1,270
1,271
1,272
1,273
1,274
1,275
1,276
1,277
1,278
1,279
1,280
1,281
1,282
1,283
1,284
1,285
1,286
1,287
1,288
1,289
1,290
1,291
1,292
1,293
1,294
1,295
1,296
1,297
1,298
1,299
1,300
1,301
1,302
1,303
1,304
1,305
1,306
1,307
1,308
1,309
1,310
1,311
1,312
1,313
1,314
1,315
1,316
1,317
1,318
1,319
1,320
1,321
1,322
1,323
1,324
1,325
1,326
1,327
1,328
1,329
1,330
1,331
1,332
1,333
1,334
1,335
1,336
1,337
1,338
1,339
1,340
1,341
1,342
1,343
1,344
1,345
1,346
1,347
1,348
1,349
1,350
1,351
1,352
1,353
1,354
1,355
1,356
1,357
1,358
1,359
1,360
1,361
1,362
1,363
1,364
1,365
1,366
1,367
1,368
1,369
1,370
1,371
1,372
1,373
1,374
1,375
1,376
1,377
1,378
1,379
1,380
1,381
1,382
1,383
1,384
1,385
1,386
1,387
1,388
1,389
1,390
1,391
1,392
1,393
1,394
1,395
1,396
1,397
1,398
1,399
1,400
1,401
1,402
1,403
1,404
1,405
1,406
1,407
1,408
1,409
1,410
1,411
1,412
1,413
1,414
1,415
1,416
1,417
1,418
1,419
1,420
1,421
1,422
1,423
1,424
1,425
1,426
1,427
1,428
1,429
1,430
1,431
1,432
1,433
1,434
1,435
1,436
1,437
1,438
1,439
1,440
1,441
1,442
1,443
1,444
1,445
1,446
1,447
1,448
1,449
1,450
1,451
1,452
1,453
1,454
1,455
1,456
1,457
1,458
1,459
1,460
1,461
1,462
1,463
1,464
1,465
1,466
1,467
1,468
1,469
1,470
1,471
1,472
1,473
1,474
1,475
1,476
1,477
1,478
1,479
1,480
1,481
1,482
1,483
1,484
1,485
1,486
1,487
1,488
1,489
1,490
1,491
1,492
1,493
1,494
1,495
1,496
1,497
1,498
1,499
1,500
1,501
1,502
1,503
1,504
1,505
1,506
1,507
1,508
1,509
1,510
1,511
1,512
1,513
1,514
1,515
1,516
1,517
1,518
1,519
1,520
1,521
1,522
1,523
1,524
1,525
1,526
1,527
1,528
1,529
1,530
1,531
1,532
1,533
1,534
1,535
1,536
1,537
1,538
1,539
1,540
1,541
1,542
1,543
1,544
1,545
1,546
1,547
1,548
1,549
1,550
1,551
1,552
1,553
1,554
1,555
1,556
1,557
1,558
1,559
1,560
1,561
1,562
1,563
1,564
1,565
1,566
1,567
1,568
1,569
1,570
1,571
1,572
1,573
1,574
1,575
1,576
1,577
1,578
1,579
1,580
1,581
1,582
1,583
1,584
1,585
1,586
1,587
1,588
1,589
1,590
1,591
1,592
1,593
1,594
1,595
1,596
1,597
1,598
1,599
1,600
1,601
1,602
1,603
1,604
1,605
1,606
1,607
1,608
1,609
1,610
1,611
1,612
1,613
1,614
1,615
1,616
1,617
1,618
1,619
1,620
1,621
1,622
1,623
1,624
1,625
1,626
1,627
1,628
1,629
1,630
1,631
1,632
1,633
1,634
1,635
1,636
1,637
1,638
1,639
1,640

Match case Limit results 1 per page

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22-18

Cisco MDS 9000 Family Command Reference

OL-18089-01, Cisco MDS NX-OS Release 4.x

Chapter 22

Show Commands

show cdp

To display CDP parameters configured globally or for a specific interface, use the

show cdp

command.

show cdp

{

all

entry

[

all

name

cdp-name

]

global

interface

[

gigabitethernet

slot

port

mgmt 0

]

neighbors

[

detail

interface

{

gigabitethernet

slot

port

mgmt 0

}]

traffic

interface

[

gigabitethernet

slot

port

mgmt 0

]}

Syntax Description

Defaults

None.

Command Modes

EXEC mode.

Command History

Usage Guidelines

This command is allowed only on the active supervisor module in the Cisco MDS 9500 Series.

Examples

The following example displays all CDP capable interfaces and parameters:

switch#

show cdp all

GigabitEthernet4/1 is up

CDP enabled on interface

Sending CDP packets every 60 seconds

Holdtime is 180 seconds

GigabitEthernet4/8 is down

CDP enabled on interface

Sending CDP packets every 60 seconds

Holdtime is 180 seconds

all

Displays all enabled CDP interfaces.

entry

Displays CDP database entries.

all

Displays all CDP entries in the database

name

cdp-name

Displays CDP entries that match a specified name. Maximum length is 256

characters.

global

Displays global CDP parameters.

gigabitethernet

slot

port

Specifies the Gigabit Ethernet interface at the slot number and port number

separated by a slash (/).

mgmt 0

Specifies the Ethernet management interface.

neighbors

Displays all CDP neighbors.

detail

Displays detailed information for all CDP neighbors

interface

Displays CDP information for neighbors on a specified interface.

traffic

Displays CDP traffic statistics for an interface.

Release

Modification

1.1(1)

This command was introduced.