Microsoft ES4649 Manuale Utente

Command Line Interface

4-186

show spanning-tree

This command shows the configuration for the common spanning tree (CST) or for
an instance within the multiple spanning tree (MST).

Syntax

show spanning-tree [interface | mst instance_id]

• interface

• ethernet unit/port

- unit - Stack unit. (Range: 1-8)
- port - Port number. (Range: 1-25/49)

• port-channel channel-id (Range: 1-32)

• instance_id - Instance identifier of the multiple spanning tree.

(Range: 0-4094, no leading zeroes)

Default Setting

None

Command Mode

Privileged Exec

Command Usage

• Use the show spanning-tree command with no parameters to display the

spanning tree configuration for the switch for the Common Spanning Tree
(CST) and for every interface in the tree.

• 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,”