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show spanning-tree active 
Description 
The  show spanning-tree active command is used to display the active 
information of spanning-tree. 
Syntax 
show spanning-tree active 
Command Mode 
Privileged EXEC Mode and Any Configuration Mode 
Example 
Display the active information of spanning-tree: 
TL-SL2428(config)# show spanning-tree active 
show spanning-tree bridge 
Description 
The  show spanning-tree bridge command is used to display the bridge 
parameters. 
Syntax 
show spanning-tree bridge [ forward-time | hello-time | hold-count | max-age | 
max-hops | mode | priority | state ] 
Command Mode 
Privileged EXEC Mode and Any Configuration Mode 
Example 
Display the bridge parameters: 
TL-SL2428(config)# show spanning-tree bridge 
show spanning-tree interface 
Description 
The  show spanning-tree interface command is used to display the 
spanning-tree information of all ports or a specified port.