Cisco Catalyst 2950 Command Reference Manual page 477

Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
Related Commands Command
show spanning-tree
spanning-tree mst root
spanning-tree vlan
0L-10102-01
Description
summary Displays a summary of spanning-tree port states.
Configures the multiple spanning-tree (MST) root switch priority
and timers based on the network diameter.
priority Sets the switch priority for the specified spanning-tree instance.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
spanning-tree extend system-id
2-449