Cisco Catalyst 2960 Command Reference Manual page 727

Appendix B Catalyst 2960 Switch Debug Commands
Usage Guidelines
The undebug spanning-tree mstp command is the same as the no debug spanning-tree mstp
command.
Related Commands Command
show debugging
show spanning-tree
OL-8604-04
Description
Displays information about the types of debugging that are enabled.
Displays spanning-tree state information.
debug spanning-tree mstp
Catalyst 2960 Switch Command Reference
B-63