Table Of Contents
2show authentication
Use the show authentication command to display authentication information.
show authentication
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display authentication information:
Console> show authenticationConsole Session Telnet Session Http SessionLogin Authentication:--------------------- ---------------- --------------- -----------tacacs disabled disabled disabledradius disabled disabled enabled(*)kerberos disabled disabled disabledlocal enabled(*) enabled(*) enabledEnable Authentication:---------------------- ---------------- ---------------tacacs disabled disabledradius disabled disabledkerberos disabled disabledlocal enabled(*) enabled(*)(*) primaryConsole>Related Commands
set authentication enable
set authentication loginshow authorization
Use the show authorization command to display authorization setup and configuration information on the switch.
show authorization
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display authorization information:
Console> (enable) show authorizationTelnet:-------Primary Fallback------- --------exec: tacacs+ If-authenenable: - -commands:config: tacacs+ If-authenall: - -Console:--------Primary Fallback------- --------exec: tacacs+ If-authenenable: - -commands:config: - -all: - -Console> (enable)Related Commands
set authorization commands
set authorization enable
set authorization execshow boot
Note
This command applies only to the Supervisor Engine III or the Catalyst 4000 family and 2948G switch supervisor engine modules. If you attempt to run this command on a Supervisor Engine I or II, you will receive an error message.
Use the show boot command to display the contents of the BOOT environment variables and the configuration register setting.
show boot [mod_num]
Syntax Description
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Usage Guidelines
This command can only be used with a Supervisor Engine III or Catalyst 4000 family and 2948G switch supervisor engine module.
Examples
This example shows how to use the show boot command:
Console> show bootBOOT variable = bootflash:cat5000-sup3.5-1-0-59.bin,1;bootflash:cat5000-sup3.4-;CONFIG_FILE variable = slot0:cfgfile1;slot0:cfgfile2Configuration register is 0x10fignore-config: disabledauto-config: recurringconsole baud: 9600boot: image specified by the boot system commandsConsole>Related Commands
show bridge
Use the show bridge command to display bridge information.
show bridge
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Usage Guidelines
This command is supported by the Catalyst 5000 family switches.
Examples
This example shows how to display bridge information:
Console> show bridgeAPaRT EnabledFDDICHECK EnabledIP fragmentation EnabledDefault IPX translations:FDDI SNAP to Ethernet 8023rawFDDI 802.2 to Ethernet 8023rawEthernet 802.3 Raw to FDDI snapConsole>Table 2-10 describes the fields in the show bridge output.
Related Commands
set bridge ipx 8022toether
set bridge ipx 8023rawtofddi
set bridge ipx snaptoether
set ip dns domainshow cam
Use the show cam command to display the CAM table.
show cam count {dynamic | static | permanent | system} [vlan]
show cam {dynamic | static | permanent} mod_num/port_num
show cam mac_addr [vlan]
Syntax Description
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Usage Guidelines
If you display the output associated with the MAC address of an ATM dual PHY OC-12 module, additional information is displayed, including the VCD, VPI, VCI, and VC type.
If you enter the show cam command on the Catalyst 5000 family and 2926G series switches, the EARL CAM table entries are displayed.
If you enter the show cam command on the Catalyst 4000 family, 2948G, and 2980G switches, the ASE CAM table entries are displayed.
The Catalyst 2948G and 2980G switches are fixed configuration switches. Ports are located on module 2 for the 2948G and on modules 2 and 3 for the 2980G; for this reason, if you enter 1/N for the module/port number, an error message is displayed.
Examples
This example shows how to display dynamic CAM entries for all VLANs:
Console> show cam dynamic* = Static Entry. + = Permanent Entry. # = System Entry. R = Router Entry.VLAN Dest MAC/Route Des Destination Ports or VCs / [Protocol Type]---- ------------------ ----------------------------------------------------1 00-60-5c-86-5b-81 4/1 [ALL]1 00-60-2f-35-48-17 4/1 [ALL]1 00-80-24-f3-47-20 1/2 [ALL]1 00-60-09-78-96-fb 4/1 [ALL]1 00-80-24-1d-d9-ed 1/2 [ALL]1 00-80-24-1d-da-01 1/2 [ALL]1 08-00-20-7a-63-01 4/1 [ALL]Total Matching CAM Entries Displayed = 7Console>This example shows the output associated with the MAC address of an ATM dual PHY OC-12 module, which includes the dynamic CAM entries for all VLANs:
Console> show cam dynamicVLAN Dest MAC/Route Des Destination Ports or VCs---- ------------------ ----------------------------------------------------12 00-14-14-14-14-1c 6/112 00-14-14-14-14-1d 6/112 00-14-14-14-14-1a 6/112 00-14-14-14-14-1b 6/112 00-14-14-14-14-18 6/112 00-14-14-14-14-19 6/112 00-14-14-14-14-16 6/112 00-14-14-14-14-17 6/112 00-14-14-14-14-14 6/112 00-14-14-14-14-15 6/16 00-14-14-14-14-16 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-17 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-14 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-15 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-1a 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-1b 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-18 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-19 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-1c 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct6 00-14-14-14-14-1d 4/1 VCD:98 VPI:0 VCI:127 Type: LANE Data Direct3 00-14-14-14-14-14 4/1 VCD:101 VPI:0 VCI:130 Type: LANE Data Direct3 00-14-14-14-14-15 4/1 VCD:101 VPI:0 VCI:130 Type: LANE Data DirectDo you wish to continue y/n [n]? qTotal Matching CAM Entries Displayed = 21Console>Table 2-11 describes the fields in the ATM dual PHY OC-12 module show cam dynamic output.
This example shows routers listed as the CAM entries. If the MAC address belongs to a router, it is shown by appending an "R" to the MAC address. If a VLAN is specified, then only those CAM entries matching the VLAN number are displayed.
Console> show cam 00-00-81-01-23-45* = Static Entry. + = Permanent Entry. # = System Entry. R = Router EntryRouter Watergate with IP address 172.25.55.1 has CAM entries:VLAN Dest MAC/Route Des Destination Ports or VCs---- ------------------ ----------------------------------------------------1 00-00-81-01-23-45R 2/9 [IP]2 00-00-81-01-23-45R 2/10 [IP]Total Matching CAM Entries = 2Console>Related Commands
clear cam
set cam
show config
show cam agingtimeshow cam agingtime
Use the show cam agingtime command to display CAM aging time information for all configured VLANs.
show cam agingtime
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display CAM aging time information:
Console> show cam agingtimeVLAN 1 aging time = 300 secVLAN 3 aging time = 300 secVLAN 5 aging time = 300 secVLAN 9 aging time = 300 secVLAN 100 aging time = 300 secVLAN 200 aging time = 300 secVLAN 201 aging time = 300 secVLAN 202 aging time = 300 secVLAN 203 aging time = 300 secConsole>Related Commands
show cam mlsrp
Use the show cam mlsrp command to display the specified router entries in the MLS forwarding table. If you can specify a VLAN number, only the router MAC addresses corresponding to the VLAN are displayed.
show cam mlsrp {ip_addr} [vlan]
Syntax Description
ip_addr
IP address of the router or name of the router if DNS is enabled.
vlan
(Optional) Number of the VLAN. If you do not specify a VLAN, all VLANs are displayed.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Usage Guidelines
This command is supported by the Catalyst 5000 family switches and the Catalyst 2926G series switches.
Examples
This example shows how to display all CAM entries for the specified router:
Console>(enable) show cam mlsrp 172.20.22.1VLAN Destination MAC Destination Ports or VCs Xtag Status---- ------------------- -------------------------------------1 00-00-81-01-23-45R 2/9 5 H2 00-00-81-01-23-45R 2/10 5 HTotal Matching CAM Entries Displayed = 2Console>(enable)Related Commands
show cdp
Use the show cdp command to display CDP information.
show cdp
show cdp neighbors [mod_num] [vlan | duplex | capabilities | detail]
show cdp neighbors [mod_num/port_num] [vlan | duplex | capabilities | detail]
show cdp port [mod_num]
show cdp port [mod_num/port_num]
Syntax Description
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display CDP information for the system:
Console> show cdpCDP :enabledMessage Interval :60Hold Time :180Version :V2Console>This example shows how to display detailed CDP neighbor information. The display varies depending on your network configuration at the time you run the command.
Console> show cdp neighbors 4/4 detailPort (Our Port):4/4Device-ID:69046406Device Addresses:IP Address:172.20.25.161Holdtime:150 secCapabilities:TRANSPARENT_BRIDGE SWITCHVersion:WS-C5509 Software, Version McpSW: 5.3(0.29)BOU NmpSW: 5.3(0.29)BOUCopyright (c) 1995-1999 by Cisco SystemsPort-ID (Port on Device):4/8Platform:WS-C6009VTP Management Domain:unknownNative VLAN:1Duplex:halfConsole>This example shows how to display CDP information about neighboring systems:
Console> show cdp neighbors* - indicates vlan mismatch.# - indicates duplex mismatch.Port Device-ID Port-ID Platform-------- ------------------------------- ------------------------- ------------3/5 002267619 3/6 * WS-C50003/6 002267619 3/5 WS-C50004/1 002267619 4/2 WS-C50004/2 002267619 4/1 # WS-C50004/20 069000057 8/5 WS-C55005/1 005763872 2/1 WS-C50005/1 066506245 2/1 WS-C55055/1 066508595 5/12 *# WS-C55055/1 066508596 5/1 WS-C5505Console>This example shows how to display VLAN information about neighboring systems:
Console> show cdp vlan* - indicates vlan mismatch.# - indicates duplex mismatch.Port Device-ID Port-ID NativeVLAN-------- ------------------------------- ------------------------- ----------3/5 002267619 3/6 * 13/6 002267619 3/5 14/1 002267619 4/2 14/2 002267619 4/1 # 14/20 069000057 8/5 -5/1 066508595 5/12 *# 15/1 066508596 5/1 1Console>This example shows how to display duplex information about neighboring systems:
Console> show cdp neighbors duplex* - indicates vlan mismatch.# - indicates duplex mismatch.Port Device-ID Port-ID Duplex-------- ------------------------------- ------------------------- ------3/5 002267619 3/6 * half3/6 002267619 3/5 half4/1 002267619 4/2 full4/2 002267619 4/1 # full4/20 069000057 8/5 -5/1 005763872 2/1 -5/1 066506245 2/1 -5/1 066508595 5/12 *# half5/1 066508596 5/1 halfConsole>This example shows how to display capability information about neighboring systems:
Console> show cdp neighbors capabilities* - indicates vlan mismatch.# - indicates duplex mismatch.Port Device-ID Port-ID Capabilities-------- ------------------------------- ------------------------- ------------3/5 002267619 3/6 * T S3/6 002267619 3/5 T S4/1 002267619 4/2 T S4/2 002267619 4/1 # T S4/20 069000057 8/5 T B S5/1 005763872 2/1 T B S5/1 066506245 2/1 T B S5/1 066508595 5/12 *# T B S5/1 066508596 5/1 T B SConsole>This example shows how to display CDP information for all ports:
Console> show cdp portCDP :enabledMessage Interval :60Hold Time :180Version :V2Port CDP Status-------- ----------2/1 enabled2/2 enabled5/1 enabled5/2 enabled5/3 enabled5/4 enabled5/5 enabled5/6 enabled5/7 enabled5/8 enabledConsole>Related Commands
show cgmp leave
Use the show cgmp leave command to display the status of the CGMP leave feature.
show cgmp leave
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display the status of the CGMP leave feature:
Console> show cgmp leaveCGMP: enabledCGMP leave: enabledConsole>Related Commands
show cgmp statistics
Use the show cgmp statistics command to display CGMP statistics.
show cgmp statistics [vlan_id]
Syntax Description
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Examples
This example shows how to display CGMP statistics for VLAN 1:
Console> show cgmp statistics 1 CGMP enabledCGMP statistics for vlan 1:valid rx pkts received 211915invalid rx pkts received 0valid cgmp joins received 211729valid cgmp leaves received 186valid igmp leaves received 0valid igmp queries received 3122igmp gs queries transmitted 0igmp leaves transmitted 0failures to add GDA to EARL 0topology notifications received 80number of CGMP packets dropped 2032227Console>Table 2-12 describes the fields in the show cgmp statistics output.
Related Commands
show channel
Use the show channel command to display EtherChannel configuration and statistics information for a channel based on EtherChannel ID.
show channel [channel_id] [statistics | mac | info [spantree | trunk | protocol | gmrp | gvrp |
qos]]Syntax Description
Defaults
This command has no default setting.
Command Types
Switch command.
Command Modes
Normal.
Usage Guidelines
If channel_id is not specified, EtherChannel information is shown for all channels.
If you use the info keyword without qualifying it with one of the feature-specific keywords, all configuration information is displayed.
No information is displayed if the EtherChannel specified is not in use.
Examples
This example shows how to display PAgP statistics for a specific EtherChannel:
Console> show channel 835 statisticsPort Channel PAgP Pkts PAgP Pkts PAgP Pkts PAgP Pkts PAgP Pkts PAgP Pktsid Transmitted Received InFlush RetnFlush OutFlush InError----- ------- ----------- --------- --------- --------- --------- ---------7/5 835 194 81 0 0 0 07/6 835 204 85 0 0 0 0Console>This example shows how to display traffic statistics for a specific EtherChannel:
Console> show channel 835 macChannel Rcv-Unicast Rcv-Multicast Rcv-Broadcast-------- -------------------- -------------------- --------------------835 0 114650 0Channel Xmit-Unicast Xmit-Multicast Xmit-Broadcast-------- -------------------- -------------------- --------------------835 0 177145 0Channel Rcv-Octet Xmit-Octet-------- -------------------- --------------------835 10852890 14371660Channel Dely-Exced MTU-Exced In-Discard Lrn-Discrd In-Lost Out-Lost-------- ---------- ---------- ---------- ---------- ---------- ----------835 0 0 0 0 0 0Console>This example shows how to display EtherChannel information for all channels:
Console> show channelChannel Id Ports----------- -----------------------------------------------768 2/1-2769 4/3-4770 4/7-8Console>This example shows how to display configuration information for a specific EtherChannel:
Console> show channel 835 infoChan Port Status Channel Admin Speed Duplex Vlanid mode group---- ----- ---------- -------------------- ----- ----- ------ ----835 7/5 connected on 58 a-100 a-full 1835 7/6 connected on 58 a-100 a-full 1Chan Port if- Oper-group Neighbor Chan Oper-Distribution PortSecurity/id Index Oper-group cost Method Dynamic Port---- ----- ----- ---------- ---------- ----- ----------------- -------------835 7/5 379 1 0 mac both835 7/6 379 1 0 mac bothChan Port Device-ID Port-ID Platformid---- ----- ------------------------------- ------------------------- ----------835 7/5 069003103(5500) 3/5 WS-C5500835 7/6 069003103(5500) 3/6 WS-C5500Chan Port Trunk-status Trunk-type Trunk-vlansid----- ----- ------------ ------------- -----------------------------------------835 7/5 not-trunking negotiate 1-1005835 7/6 not-trunking negotiate 1-1005Chan Port Portvlancost-vlansid---- ----- --------------------------------------------------------------------835 7/5835 7/6Chan Port Port Portfast Port Portid priority vlanpri vlanpri-vlans---- ----- -------- -------- ------- ------------------------------------------835 7/5 32 disabled 0835 7/6 32 disabled 0Chan Port IP IPX Groupid---- ----- -------- -------- --------835 7/5 on auto-on auto-on835 7/6 on auto-on auto-onChan Port GMRP GMRP GMRPid status registration forwardAll---- ----- -------- ------------ ----------835 7/5 enabled normal disabled835 7/6 enabled normal disabledChan Port GVRP GVRP GVRPid status registeration applicant---- ----- -------- ------------- ---------835 7/5 disabled normal normal835 7/6 disabled normal normalChan Port Qos-Tx Qos-Rx Qos-Trust Qos-DefCosid---- ----- ------ ------ ------------ ----------835 7/5 1q4t - untrusted 0835 7/6 1q4t - untrusted 0Console>Table 2-13 describes the fields in the show channel statistics output.
Table 2-14 describes the fields in the show channel mac output.
Table 2-15 describes the fields in the show channel info output.
Related Commands
set channel cost
set channel vlancost
set port channel
show channel group
show port channel
