Cisco Catalyst 3750-X

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Catalyst 3750-X and 3560-X Switch Command Reference

OL-29704-01

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

cdp forward

Related Commands Command Description

show cdp forward Displays the CDP forwarding table.

Main Page

Default Chapter3
- Table of Contents3
- Filtering Show Command Output24
- Related Publications24
- Obtaining Documentation and Submitting a Service Request25
CHAPTER 1 Using the Command-Line Interface1-127
- Accessing the Switch27
- C H a P T E R 1 Using the Command-Line Interface28
- CLI Command Modes29
CHAPTER 2 Catalyst 3750-X and 3560-X Switch33
Cisco IOS Commands33
- Aaa Accounting Dot1X33
- Aaa Authentication Dot1X35
- Aaa Authorization Network37
- Access-List38
- Action40
- Archive Copy-Sw42
- Archive Download-Sw45
- Archive Tar50
- Archive Upload-Sw53
- Arp Access-List55
- Authentication Command Bounce-Port Ignore57
- Authentication Command Disable-Port Ignore58
- Authentication Control-Direction59
- Authentication Event61
- Authentication Event Linksec Fail Action65
- Authentication Fallback66
- Authentication Host-Mode68
- Authentication Linksec Policy70
- Authentication Mac-Move Permit71
- Authentication Open73
- Authentication Order75
- Authentication Periodic77
- Authentication Port-Control79
- Authentication Priority81
- Authentication Timer83
- Authentication Violation85
- Auto Qos Classify87
- Auto Qos Trust90
- Auto Qos Video93
- Auto Qos Voip96
- Boot Time102
- Boot Auto-Copy-Sw103
- Boot Auto-Download-Sw104
- Boot Buffersize106
- Boot Config-File107
- Boot Enable-Break108
- Boot Helper109
- Boot Helper-Config-File110
- Boot Manual111
- Boot Private-Config-File112
- Boot System113
- Cdp Forward115
- Channel-Group117
- Channel-Protocol121
- Cisp Enable122
Class123
- Class-Map126
- Clear Dot1X128
- Clear Eap Sessions129
- Clear Errdisable Interface130
- Clear Ip Arp Inspection Log131
- Clear Ip Arp Inspection Statistics132
- Clear Ip Dhcp Snooping133
Clear Ipc135
- Clear Ipv6 Dhcp Conflict136
- Clear L2Protocol-Tunnel Counters137
- Clear Lacp138
- Clear Logging Onboard139
- Clear Logging Smartlog Statistics Interface140
- Clear Mac Address-Table141
- Clear Mac Address-Table Move Update142
- Clear Macsec Counters Interface143
Clear Mka144
- Clear Nmsp Statistics146
- Clear Pagp147
- Clear Port-Security148
- Clear Psp Counter150
- Clear Rep Counters151
- Clear Spanning-Tree Counters152
- Clear Spanning-Tree Detected-Protocols153
- Clear Vmps Statistics154
- Clear Vtp Counters155
- Cluster Commander-Address156
- Cluster Discovery Hop-Count158
- Cluster Enable159
- Cluster Holdtime161
- Cluster Member162
- Cluster Outside-Interface164
- Cluster Run165
- Cluster Standby-Group166
- Cluster Timer168
- Copy Logging Onboard169
- Confidentiality-Offset171
- Define Interface-Range172
Delete174
- Deny (Access-List Configuration Mode)175
- Deny (ARP Access-List Configuration)177
- Deny (Ipv6 Access-List Configuration)179
- Deny (MAC Access-List Configuration)184
- Device-Sensor Accounting187
  - Interface Configuration Mode188
- Device-Sensor Filter-List188
- Device-Sensor Filter-List Dhcp191
- Device-Sensor Filter-Spec193
- Device-Sensor Notify195
- Diagnostic Monitor197
- Diagnostic Schedule199
- Diagnostic Start201
Dot1X204
- Dot1X Auth-Fail Max-Attempts206
- Dot1X Auth-Fail Vlan208
- Dot1X Control-Direction210
- Dot1X Credentials (Global Configuration)212
- Dot1X Critical (Global Configuration)213
- Dot1X Critical (Interface Configuration)215
- Dot1X Default217
- Dot1X Fallback218
- Dot1X Guest-Vlan219
- Dot1X Host-Mode221
- Dot1X Initialize222
- Dot1X Mac-Auth-Bypass223
- Dot1X Max-Reauth-Req225
- Dot1X Max-Req227
Dot1X Pae228
- Dot1X Port-Control229
- Dot1X Re-Authenticate231
- Dot1X Reauthentication232
- Dot1X Supplicant Controlled Transient233
- Dot1X Supplicant Force-Multicast235
- Dot1X Test Eapol-Capable236
- Dot1X Test Timeout237
- Dot1X Timeout238
- Dot1X Violation-Mode241
Duplex242
- Epm Access-Control Open244
- Errdisable Detect Cause246
- Errdisable Detect Cause Small-Frame249
- Errdisable Recovery251
- Errdisable Recovery Cause Small-Frame254
- Exception Crashinfo255
- Fallback Profile256
- Flowcontrol258
Hw-Module260
- Hw-Module Switch262
- Interface Port-Channel263
- Interface Range265
- Interface Vlan267
- Ip Access-Group269
- Ip Address272
- Ip Admission274
- Ip Admission Name Proxy Http275
- Ip Arp Inspection Filter Vlan277
- Ip Arp Inspection Limit279
- Ip Arp Inspection Log-Buffer281
- Ip Arp Inspection Smartlog283
- Ip Arp Inspection Trust285
- Ip Arp Inspection Validate287
- Ip Arp Inspection Vlan289
- Ip Arp Inspection Vlan Logging290
- Ip Device Tracking292
- Ip Device Tracking Maximum293
- Ip Device Tracking Probe294
- Ip Dhcp Snooping296
- Ip Dhcp Snooping Binding297
- Ip Dhcp Snooping Database299
- Ip Dhcp Snooping Information Option301
- Ip Dhcp Snooping Information Option Allow-Untrusted303
- Ip Dhcp Snooping Information Option Format Remote-ID305
- Ip Dhcp Snooping Limit Rate306
- Ip Dhcp Snooping Trust307
- Ip Dhcp Snooping Verify308
- Ip Dhcp Snooping Vlan309
- Ip Dhcp Snooping Vlan Information Option Format-Type Circuit-ID String311
- Ip Igmp Filter313
- Ip Igmp Max-Groups314
- Ip Igmp Profile316
- Ip Igmp Snooping318
- Ip Igmp Snooping Last-Member-Query-Interval320
- Ip Igmp Snooping Querier322
- Ip Igmp Snooping Report-Suppression324
- Ip Igmp Snooping Tcn326
- Ip Igmp Snooping Tcn Flood328
- Ip Igmp Snooping Vlan Immediate-Leave329
- Ip Igmp Snooping Vlan Mrouter330
- Ip Igmp Snooping Vlan Static332
- Ip Snap Forwarding334
- Ip Source Binding335
Ip Ssh337
- Ip Sticky-Arp (Global Configuration)339
- Ip Sticky-Arp (Interface Configuration)341
- Ip Verify Source343
- Ip Verify Source Smartlog345
- Ipv6 Access-List346
- Ipv6 Address Dhcp349
- Ipv6 Dhcp Client Request Vendor350
- Ipv6 Dhcp Ping Packets351
- Ipv6 Dhcp Pool353
- Ipv6 Dhcp Server356
- Ipv6 Mld Snooping358
- Ipv6 Mld Snooping Last-Listener-Query-Count360
- Ipv6 Mld Snooping Last-Listener-Query-Interval362
- Ipv6 Mld Snooping Listener-Message-Suppression364
- Ipv6 Mld Snooping Robustness-Variable365
- Ipv6 Mld Snooping Tcn367
- Ipv6 Mld Snooping Vlan369
- Ipv6 Traffic-Filter371
- L2Protocol-Tunnel373
- L2Protocol-Tunnel Cos376
- Lacp Port-Priority377
- Lacp System-Priority379
- License Boot Level381
- Link State Group383
- Link State Track385
- Location (Global Configuration)386
- Location (Interface Configuration)388
- Logging Event390
- Logging Event Power-Inline-Status391
- Logging File392
- Logging Smartlog394
- Mab Request Format Attribute 32396
- Mac Access-Group398
- Mac Access-List Extended400
- Mac Address-Table Aging-Time402
- Mac Address-Table Learning Vlan403
- Mac Address-Table Move Update405
- Mac Address-Table Notification407
- Mac Address-Table Static409
- Mac Address-Table Static Drop410
Mac Sec412
- Match (Access-Map Configuration)413
- Match (Class-Map Configuration)415
MDIX Auto418
- Media-Type Rj45420
- Mka Default-Policy421
- Mka Policy (Global Configuration)422
- Mka Policy (Interface Configuration)424
Mls Qos426
- Mls Qos Aggregate-Policer428
- Mls Qos Cos430
- Mls Qos Dscp-Mutation432
- Mls Qos Map434
- Mls Qos Queue-Set Output Buffers438
- Mls Qos Queue-Set Output Threshold440
- Mls Qos Rewrite Ip Dscp442
- Mls Qos Srr-Queue Input Bandwidth444
- Mls Qos Srr-Queue Input Buffers446
- Mls Qos Srr-Queue Input Cos-Map448
- Mls Qos Srr-Queue Input Dscp-Map450
- Mls Qos Srr-Queue Input Priority-Queue452
- Mls Qos Srr-Queue Input Threshold454
- Mls Qos Srr-Queue Output Cos-Map456
- Mls Qos Srr-Queue Output Dscp-Map458
- Mls Qos Trust460
- Mls Qos Vlan-Based462
Mode463
- Monitor Session465
- Mvr (Global Configuration)470
- Mvr (Interface Configuration)473
- Network-Policy476
- Network-Policy Profile (Global Configuration)477
- Network-Policy Profile (Network-Policy Configuration)478
Nmsp480
- Nmsp Attachment Suppress481
- No Authentication Logging Verbose482
- No Dot1X Logging Verbose483
- No Mab Logging Verbose484
Nsf485
- Pagp Learn-Method487
- Pagp Port-Priority489
- Permit (Access-List Configuration Mode)491
- Permit (ARP Access-List Configuration)493
- Permit (Ipv6 Access-List Configuration)495
- Permit (MAC Access-List Configuration)501
Police504
- Police Aggregate506
- Policy-Map508
- Port-Channel Load-Balance511
- Power Inline513
- Power Inline Consumption516
- Power Inline Police519
- Power-Priority522
Power Rps524
- Power Supply526
- Power Xps (Global Configuration)528
- Power Xps (Privileged EXEC)530
- Power Xps Port532
- Priority-Queue534
- Private-Vlan536
- Private-Vlan Mapping539
Psp541
Queue-Set542
- Radius-Server Dead-Criteria543
- Radius-Server Host545
Rcommand547
Reload549
- Remote Command551
- Remote-Span553
- Renew Ip Dhcp Snooping Database555
- Rep Admin Vlan557
- Rep Block Port558
- Rep Lsl-Age-Timer562
- Rep Preempt Delay563
- Rep Preempt Segment565
- Rep Segment566
Rep Stcn569
- Replay-Protection571
- Reserved-Only572
- Rmon Collection Stats573
Rsu574
- Sdm Prefer575
- Service Password-Recovery579
- Service-Policy581
Session584
Set585
Setup587
- Setup Express590
- Show Access-Lists592
- Show Archive Status595
- Show Arp Access-List596
- Show Authentication597
- Show Auto Qos601
Show Boot605
- Show Cable-Diagnostics Tdr608
- Show Cdp Forward610
Show Cisp611
- Show Class-Map612
- Show Cluster613
- Show Cluster Candidates615
- Show Cluster Members617
- Show Controllers Cpu-Interface619
- Show Controllers Ethernet-Controller621
- Show Controllers Ethernet-Controller Fastethernet629
- Show Controllers Ethernet Phy Macsec632
- Show Controllers Power Inline634
- Show Controllers Tcam636
- Show Controllers Utilization638
- Show Device-Sensor Cache640
- Show Diagnostic642
- Show Dot1Q-Tunnel647
- Show Dot1X648
Show Dtp652
Show Eap654
Show Env657
- Show Env Xps660
- Configuration Command663
- Show Errdisable Detect664
- Show Errdisable Flap-Values666
- Show Errdisable Recovery667
- Show Etherchannel669
- Show Fallback Profile672
- Show Flowcontrol673
- Show Hw-Module Switch675
- Show Idprom Interface677
- Show Interfaces679
- Show Interfaces Counters690
- Show Interfaces Rep692
- Show Interfaces Transceivers694
- Show Inventory697
- Show Ip Arp Inspection698
- Show Ip Dhcp Snooping702
- Show Ip Dhcp Snooping Binding702
- Show Ip Dhcp Snooping Database705
- Show Ip Dhcp Snooping Statistics707
- Show Ip Igmp Profile710
- Show Ip Igmp Snooping711
- Show Ip Igmp Snooping Groups713
- Show Ip Igmp Snooping Mrouter715
- Show Ip Igmp Snooping Querier716
- Show Ip Source Binding718
- Show Ip Verify Source719
Show Ipc721
- Show Ipv6 Access-List725
- Show Ipv6 Dhcp Conflict727
- Show Ipv6 Mld Snooping728
- Show Ipv6 Mld Snooping Address730
- Show Ipv6 Mld Snooping Mrouter732
- Show Ipv6 Mld Snooping Querier734
- Show Ipv6 Route Updated736
- Show L2Protocol-Tunnel738
Show Lacp740
- Show Link State Group744
- Show Location746
- Show Logging Onboard748
- Show Logging Smartlog753
- Show Mac Access-Group756
- Show Mac Address-Table757
- Show Mac Address-Table Address759
- Show Mac Address-Table Aging-Time760
- Show Mac Address-Table Count762
- Show Mac Address-Table Dynamic763
- Show Mac Address-Table Interface764
- Show Mac Address-Table Learning765
- Show Mac Address-Table Move Update766
- Show Mac Address-Table Notification767
- Show Mac Address-Table Static769
- Show Mac Address-Table Vlan771
- Show Macsec773
- Show Mka Default-Policy775
- Show Mka Policy777
- Show Mka Session780
- Show Mka Statistics783
- Show Mka Summary786
- Show Mls Qos789
- Show Mls Qos Aggregate-Policer790
- Show Mls Qos Input-Queue791
- Show Mls Qos Interface792
- Show Mls Qos Maps796
- Show Mls Qos Queue-Set799
- Show Mls Qos Vlan800
- Show Monitor801
Show Mvr803
- Show Mvr Interface804
- Show Mvr Members806
- Show Network-Policy Profile808
Show Nmsp809
Show Pagp812
- Show Policy-Map814
- Show Port-Security815
- Show Power Inline817
- Show Psp Config823
- Show Psp Statistics824
- Show Rep Topology825
- Show Sdm Prefer827
- Show Setup Express830
- Show Spanning-Tree831
- Show Stack-Power837
- Show Storm-Control840
- Show Switch842
- Show Switch Service-Modules847
- Show System Mtu849
Show Udld850
- Show Version853
Show Vlan855
- Show Vlan Access-Map860
- Show Vlan Filter861
Show Vmps862
Show Vtp864
Shutdown869
- Shutdown Vlan870
- Small-Frame Violation Rate871
- Snmp-Server Enable Traps873
- Snmp-Server Host878
- Snmp Trap Mac-Notification Change882
- Spanning-Tree Backbonefast884
- Spanning-Tree Bpdufilter885
- Spanning-Tree Bpduguard887
- Spanning-Tree Cost889
- Spanning-Tree Etherchannel Guard Misconfig891
- Spanning-Tree Extend System-ID893
- Spanning-Tree Guard895
- Spanning-Tree Link-Type897
- Spanning-Tree Loopguard Default899
- Spanning-Tree Mode901
- Spanning-Tree Mst Configuration903
- Spanning-Tree Mst Cost905
- Spanning-Tree Mst Forward-Time907
- Spanning-Tree Mst Hello-Time908
- Spanning-Tree Mst Max-Age909
- Spanning-Tree Mst Max-Hops910
- Spanning-Tree Mst Port-Priority911
- Spanning-Tree Mst Pre-Standard913
- Spanning-Tree Mst Priority914
- Spanning-Tree Mst Root915
- Spanning-Tree Port-Priority917
- Spanning-Tree Portfast (Global Configuration)919
- Spanning-Tree Portfast (Interface Configuration)922
- Spanning-Tree Transmit Hold-Count924
- Spanning-Tree Uplinkfast925
- Spanning-Tree Vlan927
Speed930
- Srr-Queue Bandwidth Limit932
- Srr-Queue Bandwidth Shape934
- Srr-Queue Bandwidth Share936
- Stack-Mac Persistent Timer938
- Stack-Power940
- Storm-Control942
Switch945
- Switch Priority947
- Switch Provision948
- Switch Renumber950
- Switchport952
- Switchport Access954
- Switchport Autostate Exclude956
- Switchport Backup Interface958
- Switchport Block961
- Switchport Host963
- Switchport Mode964
- Switchport Mode Private-Vlan967
- Switchport Nonegotiate969
- Switchport Port-Security971
- Switchport Port-Security Aging976
- Switchport Priority Extend978
- Switchport Private-Vlan980
- Switchport Protected982
- Switchport Trunk984
- Switchport Voice Detect987
- Switchport Voice Vlan988
- System Env Temperature Threshold Yellow990
- System Mtu992
- Test Cable-Diagnostics Tdr995
- Traceroute Mac996
- Traceroute Mac Ip999
Trust1001
Udld1003
Udld Port1005
- Udld Reset1007
- Usb-Inactivity-Timeout1008
Vlan1009
- Vlan Access-Map1014
- Vlan Dot1Q Tag Native1016
- Vlan Filter1018
- Vmps Reconfirm (Privileged EXEC)1020
- Vmps Reconfirm (Global Configuration)1021
- Vmps Retry1022
- Vmps Server1023
Appendix1033
Catalyst 3750-X and 3560-X Switch Boot Loader Commands1033
- Arp1034
  - A P P E N D I X a Catalyst 3750-X and 3560-X Switch Boot Loader Commands1034
- Boot1035
- Cat1037
- Copy1038
  - Delete1038
- Dir1040
  - Flash_Init1042
- Format1043
- Fsck1044
- Help1045
- Memory1046
- Mkdir1051
- More1052
- Rename1053
- Reset1054
- Rmdir1055
- Set1056
- Unset1058
  - Version1062
Appendix1063
Catalyst 3750-X and 3560-X Switch Debug Commands1063
- A P P E N D I X B Catalyst 3750-X and 3560-X Switch Debug Commands1064
- Debug Authentication1064
- Debug Auto Qos1066
- Debug Backup1068
- Debug Cisp1069
- Debug Cluster1070
- Debug Device-Sensor1072
- Debug Dot1X1074
- Debug Dtp1075
- Debug Eap1076
- Debug Etherchannel1077
- Debug Fastethernet1078
- Debug Ilpower1079
- Debug Interface1080
- Debug Ip Dhcp Snooping1081
- Debug Ip Verify Source Packet1082
- Debug Ip Igmp Filter1083
- Debug Ip Igmp Max-Groups1084
- Debug Ip Igmp Snooping1085
- Debug Lacp1086
- Debug Lldp Packets1087
- Debug Logging Smartlog Debug1088
- Debug Mac-Notification1089
- Debug Macsec1090
- Debug Matm1091
- Debug Matm Move Update1092
- Debug Mka1093
- Debug Monitor1095
- Debug Mvrdbg1096
- Debug Nmsp1097
- Debug Nvram1098
- Debug Pagp1099
- Debug Platform Acl1100
- Debug Platform Backup Interface1102
- Debug Platform Cisp1103
- Debug Platform Cli-Redirection Main1104
- Debug Platform Configuration1105
- Debug Platform Cpu-Queues1106
- Debug Platform Device-Manager1108
- Debug Platform Dot1X1109
- Debug Platform Etherchannel1110
- Debug Platform Fallback-Bridging1111
- Debug Platform Forw-Tcam1112
- Debug Platform Frontend-Controller1113
- Debug Platform Ip Arp Inspection1114
- Debug Platform Ip Dhcp1115
- Debug Platform Ip Igmp Snooping1116
- Debug Platform Ip Multicast1118
- Debug Platform Ip Unicast1120
- Debug Platform Ip Wccp1122
- Debug Platform Ipc1123
- Debug Platform Led1124
- Debug Platform Matm1125
- Debug Platform Messaging Application1126
- Debug Platform Phy1127
- Debug Platform Pm1129
- Debug Platform Port-Asic1131
- Debug Platform Port-Security1132
- Debug Platform Qos-Acl-Tcam1133
- Debug Platform Remote-Commands1134
- Debug Platform Resource-Manager1135
- Debug Platform Snmp1136
- Debug Platform Span1137
- Debug Platform Stack-Manager1138
- Debug Platform Supervisor-Asic1139
- Debug Platform Sw-Bridge1140
- Debug Platform Tcam1141
- Debug Platform Udld1144
- Debug Platform Vlan1145
- Debug Pm1146
- Debug Port-Security1148
- Debug Qos-Manager1149
- Debug Spanning-Tree1150
- Debug Spanning-Tree Backbonefast1152
- Debug Spanning-Tree Bpdu1153
- Debug Spanning-Tree Bpdu-Opt1154
- Debug Spanning-Tree Mstp1155
  - Debug Spanning-Tree Switch1157
  - Debug Spanning-Tree Uplinkfast1159
  - Debug Sw-Vlan1160
  - Debug Sw-Vlan Ifs1162
  - Debug Sw-Vlan Notification1163
  - Debug Sw-Vlan Vtp1165
  - Debug Udld1167
  - Debug Vqpc1169
Appendix1171
Catalyst 3750-X and 3560-X Show Platform Commands1171
- A P P E N D I X C Catalyst 3750-X and 3560-X Show Platform Commands1172
- Show Platform Acl1172
- Show Platform Backup Interface1173
- Show Platform Configuration1174
- Show Platform Dl1175
- Show Platform Etherchannel1176
- Show Platform Forward1177
- Show Platform Frontend-Controller1179
- Show Platform Ip Igmp Snooping1180
- Show Platform Ip Multicast1181
- Show Platform Ip Unicast1182
- Show Platform Ip Unicast Vrf Compaction1184
- Show Platform Ip Unicast Vrf Tcam-Label1185
- Show Platform Ip Wccp1186
- Show Platform Ipc Trace1187
- Show Platform Ipv6 Mld Snooping1188
- Show Platform Ipv6 Unicast1189
- Show Platform Layer4Op1191
- Show Platform Mac-Address-Table1192
- Show Platform Messaging1193
- Show Platform Monitor1194
- Show Platform Mvr Table1195
- Show Platform Pm1196
- Show Platform Port-Asic1197
- Show Platform Port-Security1202
- Show Platform Qos1203
- Show Platform Resource-Manager1204
- Show Platform Snmp Counters1206
- Show Platform Spanning-Tree1207
- Show Platform Stp-Instance1208
- Show Platform Stack Manager1209
- Show Platform Stack Ports1211
- Show Platform Tb1213
- Show Platform Tcam1214
- Show Platform Vlan1217
Appendix1219
Acknowledgments for Open-Source Software1219
I N D E X1221

Cisco Catalyst 3750-X

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