Cisco Catalyst 2950 Command Reference Manual page 651

Appendix C Catalyst 2950 and 2955 Switch Debug Commands
Command History Release
12.1(6)EA2
12.1(9)EA1
Usage Guidelines The undebug spanning-tree command is the same as the no debug spanning-tree command.
Related Commands Command
show debugging
show spanning-tree
OL-10102-01
Modification
This command was introduced.
The mstp and csuf/csrt keywords were added.
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 Catalyst 2955 Switch Command Reference
debug spanning-tree
C-11