S
PANNING
T
REE
C
OMMANDS
29-26
•Use the show spanning-tree interface command to display the
spanning tree configuration for an interface within the Common
Spanning Tree (CST).
•Use the show spanning-tree mst instance_id command to display the
spanning tree configuration for an instance within the Multiple
Spanning Tree (MST).
• For a description of the items displayed under “Spanning-tree
information,” see “Configuring Global Settings” on page 4-146. For a
description of the items displayed for specific interfaces, see
“Displaying Interface Settings” on page 4-150.
Example
Console#show spanning-tree
Spanning-tree information
---------------------------------------------------------------
Spanning tree mode: MSTP
Spanning tree enable/disable: enable
Instance: 0
Vlans configuration: 1-4093
Priority: 32768
Bridge Hello Time (sec.): 2
Bridge Max Age (sec.): 20
Bridge Forward Delay (sec.): 15
Root Hello Time (sec.): 2
Root Max Age (sec.): 20
Root Forward Delay (sec.): 15
Max hops: 20
Remaining hops: 20
Designated Root: 32768.0.0000ABCD0000
Current root port: 1
Current root cost: 10000
Number of topology changes: 1
Last topology changes time (sec.): 22
Transmission limit: 3
Path Cost Method: long
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