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Cisco Catalyst Blade Switch 3120 for HP Command Reference
OL-12248-01
Appendix B Cisco Catalyst Blade Switch 3120 for HP Debug Commands
debug spanning-tree uplinkfast
debug spanning-tree uplinkfast
Use the debug spanning-tree uplinkfast privileged EXEC command to enable debugging of
spanning-tree UplinkFast events. Use the no form of this command to disable debugging.
debug spanning-tree uplinkfast [exceptions]
no debug spanning-tree uplinkfast [exceptions]
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug spanning-tree uplinkfast command is the same as the no debug spanning-tree
uplinkfast command.
When you enable debugging, it is enabled only on the stack master. To enable debugging on a stack
member, you can start a session from the stack master by using the session switch-number privileged
EXEC command. Then enter the debug command at the command-line prompt of the stack member. You
also can use the remote command stack-member-number LINE privileged EXEC command on the stack
master switch to enable debugging on a member switch without first starting a session.
Related Commands
exceptions (Optional) Display spanning-tree UplinkFast-exception debug messages.
Release Modification
12.2(40)EX This command was introduced.
Command Description
show debugging Displays information about the types of debugging that are enabled.
show spanning-tree Displays spanning-tree state information.
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