Show Spanning-Tree - Cisco Catalyst 4500 Series Command Reference Manual

show spanning-tree

show spanning-tree
To display spanning-tree state information, use the show spanning-tree command.
Syntax Description bridge_group
active
backbonefast
bridge
id
inconsistentports
interface type
root
summary
total
uplinkfast
vlan vlan_id
pathcost method
detail
Defaults
Interface information summary is displayed.
Command Modes Privileged EXEC mode
Command History Release
12.1(8a)EW
12.1(12c)EW
12.2(25)EW
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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show spanning-tree [bridge_group | active | backbonefast | bridge [id] | inconsistentports |
interface type | root | summary [total] | uplinkfast | vlan vlan_id | pathcost method | detail]
(Optional) Specifies the bridge group number; valid values are from 1 to 255.
(Optional) Displays the spanning-tree information on active interfaces only.
(Optional) Displays the spanning-tree BackboneFast status.
(Optional) Displays the bridge status and configuration information.
(Optional) Name of the bridge.
(Optional) Displays the root inconsistency state.
(Optional) Specifies the interface type and number; valid values are fastethernet,
gigabitethernet, tengigabitethernet, port-channel (1 to 64), and vlan (1 to
4094).
(Optional) Displays the root bridge status and configuration.
(Optional) Specifies a summary of port states.
(Optional) Displays the total lines of the spanning-tree state section.
(Optional) Displays the spanning-tree UplinkFast status.
(Optional) Specifies the VLAN ID; valid values are from 1 to 4094.
(Optional) Displays the default path cost calculation method used.
(Optional) Displays a summary of interface information.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Support for extended addressing was added.
Added support for the 10-Gigabit Ethernet interface.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
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