Cisco Catalyst 2950 Command Reference Manual page 658

debug spanning-tree switch
Related Commands Command
show debugging
show spanning-tree
Catalyst 2950 and Catalyst 2955 Switch Command Reference
C-18
Appendix C
Description
Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Configuration Fundamentals
Command Reference for IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
Displays spanning-tree state information.
Catalyst 2950 and 2955 Switch Debug Commands
OL-10102-01