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Cisco IE 3000 Switch Command Reference
OL-13019-01
Chapter 2    IE 3000 Switch  Cisco IOS Commands
  show spanning-tree
show spanning-tree 
Use the show spanning-tree user EXEC command to display spanning-tree state information.
show spanning-tree [bridge-group | active [detail] | backbonefast | blockedports | bridge | detail 
[active] | inconsistentports | interface interface-id | mst | pathcost method | root | summary 
[totals] | uplinkfast | vlan vlan-id] [ | {begin | exclude | include} expression]
show spanning-tree bridge-group [active [detail] | blockedports | bridge | detail [active] | 
inconsistentports | interface interface-id | root | summary] [ | {begin | exclude | include} 
expression]
show spanning-tree vlan vlan-id [active [detail] | blockedports | bridge | detail [active] | 
inconsistentports | interface interface-id | root | summary] [ | {begin | exclude | include} 
expression]
show spanning-tree {vlan vlan-id | bridge-group} bridge [address | detail | forward-time | 
hello-time | id | max-age | priority [system-id] | protocol] [ | {begin | exclude | include} 
expression]
show spanning-tree {vlan vlan-id | bridge-group} root [address | cost | detail | forward-time | 
hello-time | id | max-age | port | priority [system-id] [ | {begin | exclude | include} 
expression]
show spanning-tree interface interface-id [active [detail] | cost | detail [active] | inconsistency | 
portfast | priority | rootcost | state] [ | {begin | exclude | include} expression]
show spanning-tree mst [configuration [digest]] | [instance-id [detail | interface interface-id 
[detail]] [ | {begin | exclude | include} expression]
Syntax Description bridge-group (Optional) Specify the bridge group number. The range is 1 to 255.
active [detail] (Optional) Display spanning-tree information only on active interfaces 
(available only in privileged EXEC mode).
backbonefast (Optional) Display spanning-tree BackboneFast status.
blockedports (Optional) Display blocked port information (available only in privileged 
EXEC mode).
bridge [address | detail | 
forward-time | hello-time | 
id | max-age | priority 
[system-id] | protocol]
(Optional) Display status and configuration of this switch (optional 
keywords available only in privileged EXEC mode).
detail [active] (Optional) Display a detailed summary of interface information (active 
keyword available only in privileged EXEC mode).
inconsistentports (Optional) Display inconsistent port information (available only in 
privileged EXEC mode).
interface interface-id 
[active [detail] | cost | 
detail [active] | 
inconsistency | portfast | 
priority | rootcost | state]
(Optional) Display spanning-tree information for the specified interface 
(all options except portfast and state available only in privileged EXEC 
mode). Enter each interface separated by a space. Ranges are not 
supported. Valid interfaces include physical ports, VLANs, and port 
channels. The VLAN range is 1 to 4094. The port-channel range is 1 to
 6.