Allied Telesis AT-S83 - Manual (Page 246)

Chapter 13: Spanning Tree Protocol (STP) Commands
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SHOW SPANNING-TREE
Syntax
show spanning-tree stp|interface|mst|mstp|rstp
Parameters
stp Specifies STP information.
interface Specifies the name of an interface.
mst Specifies MST information.
mstp Specifies MSTP information.
rstp Specifies RSTP information
Description
Use the SHOW SPANNING-TREE command to display information about
the Spanning Tree Protocol configuration.
To modify the lines displayed on the screen, use the | (output modifier
token). To save the output to a file, use the > (output reduction token).
Command Mode
Privileged Executive mode
Example
The following commands specify the SHOW SPANNING-TREE
command:
switch#configure terminal
switch(config)#show spanning-tree stp
The following is a sample output of this command for interfaces 6-8.
% spanning tree enabled
% root path cost 0 - priority 32768
% forward-time 15 - hello-time 2 - max-age 20 - root port 0
% root id 800000100310d0d7
% bridge id 800000100310d0d7
% hello timer 0 - tcn timer 0 - topo change timer 0
% 0 topology changes - last topology change Mon Jan 1
00:00:00 2007
% portfast bpdu-filter disabled