Cisco Catalyst 2975 Software Configuration Manual page 496

Chapter 18 Configuring Optional Spanning-Tree Features
Displaying the Spanning-Tree Status
You can clear spanning-tree counters by using the clear spanning-tree [interface interface-id]
privileged EXEC command.
For information about other keywords for the show spanning-tree privileged EXEC command, see the
command reference for this release.
Catalyst 2975 Switch Software Configuration Guide
18-20
OL-19720-02