Specifications

B-18
Catalyst 2950 and Catalyst 2955 Switch Command Reference
78-15304-01
Chapter B 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 output.
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 This command can be entered only from the switch console.
The undebug spanning-tree uplinkfast command is the same as the no debug spanning-tree
uplinkfast command.
Related Commands
exceptions (Optional) Enable debugging of spanning-tree UplinkFast exceptions.
Release Modification
12.1(6)EA2 This command was first 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.