Cisco Catalyst 2950

C-12
Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Appendix C Catalyst 2950 and 2955 Switch Debug Commands
debug spanning-tree backbonefast
debug spanning-tree backbonefast
Use the debug spanning-tree backbonefast privileged EXEC command to enable debugging of
spanning-tree BackboneFast events. Use the no form of this command to disable debugging.
debug spanning-tree backbonefast [detail | exceptions]
no debug spanning-tree backbonefast [detail | exceptions]
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug spanning-tree backbonefast command is the same as the no debug spanning-tree
backbonefast command.
Related Commands
detail (Optional) Display detailed BackboneFast debug messages.
exceptions (Optional) Display spanning-tree BackboneFast-exception debug messages.
Release Modification
12.1(6)EA2 This command was introduced.
Command Description
show debugging 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.
show spanning-tree Displays spanning-tree state information.