B-77Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command ReferenceOL-13271-03Appendix B Cisco Catalyst Blade Switch 3130 and 3032 for Dell Debug Commandsdebug spanning-tree backbonefastdebug spanning-tree backbonefastUse the debug spanning-tree backbonefast privileged EXEC command to enable debugging ofspanning-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 DescriptionDefaults Debugging is disabled.Command Modes Privileged EXECCommand HistoryUsage Guidelines The undebug spanning-tree backbonefast command is the same as the no debug spanning-treebackbonefast command.On a stacking-capable switch, when you enable debugging, it is enabled only on the stack master. Toenable debugging on a stack member, you can start a session from the stack master by using the sessionswitch-number privileged EXEC command. Then enter the debug command at the command-lineprompt of the stack member. You also can use the remote command stack-member-number LINEprivileged EXEC command on the stack master switch to enable debugging on a member switch withoutfirst starting a session.Related Commandsdetail (Optional) Display detailed BackboneFast debug messages.exceptions (Optional) Display spanning-tree BackboneFast-exception debug messages.Release Modification12.2(40)EX1 This command was introduced.Command Descriptionshow debugging Displays information about the types of debugging that are enabled.show spanning-tree Displays spanning-tree state information.
