28.2.1 Command list

The following table lists the commands used to configure Spanning Tree.

Table 28-7: List of configuration commands
Command name	Description
spanning-tree disable	Stops the Spanning Tree functionality.
spanning-tree mode	Sets the operating mode for Spanning Tree functionality.
spanning-tree single mode	Selects STP and Rapid STP for Single Spanning Tree.
spanning-tree vlan mode	Selects PVST+ and Rapid PVST+ for each VLAN.

The following table lists the operation commands related to Spanning Tree Protocol.

Table 28-8: List of operation commands
Command name	Description
show spanning-tree	Shows Spanning Tree information.
show spanning-tree statistics	Shows Spanning Tree statistics.
clear spanning-tree statistics	Clears Spanning Tree statistics.
clear spanning-tree detected-protocol	Forces recovery of STP compatible mode for Spanning Tree Protocols.
show spanning-tree port-count	Displays the numbers handled by Spanning Tree Protocols.
restart spanning-tree	Restarts the Spanning Tree program.
dump protocols spanning-tree	Outputs to a file detailed event trace information and control table information collected for Spanning Tree Protocols.