Debug Spanning-Tree Backbonefast - Cisco Catalyst 2950 Command Reference Manual

Appendix A Debug Commands

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 output.
Syntax Description
detail
exceptions
Defaults
Debugging is disabled.
Command Modes
Privileged EXEC
Command History Release
12.1(6)EA2
Usage Guidelines This command can be entered only from the switch console.
The undebug spanning-tree backbonefast command is the same as the no debug spanning-tree
backbonefast command.
Related Commands Command
show debugging
show spanning-tree
78-11381-05
debug spanning-tree backbonefast [detail | exceptions]
no debug spanning-tree backbonefast [detail | exceptions]
(Optional) Display detailed BackboneFast debugging messages.
(Optional) Enable debugging of spanning-tree BackboneFast exceptions.
Modification
This command was first introduced.
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.
debug spanning-tree backbonefast
Catalyst 2950 Desktop Switch Command Reference
A-9