Debug Spanning-Tree Uplinkfast - Cisco 4500M Command Reference Manual

debug spanning-tree uplinkfast

debug spanning-tree uplinkfast
To enable debugging of spanning tree UplinkFast events, use the debug spanning-tree uplinkfast
command. To disable debugging output, use the no form of this command.
Syntax Description
exceptions
Defaults
This command has no default settings.
Command Modes
Privileged EXEC
Command History Release
12.1(8a)EW
Usage Guidelines
This command is supported only by the supervisor engine and can be entered only from the switch
console.
Examples
This example shows how to debug spanning tree UplinkFast exceptions:
Switch# debug spanning-tree uplinkfast exceptions
Spanning Tree uplinkfast exceptions debugging is on
Switch#
Related Commands
undebug spanning-tree uplinkfast (same as no debug spanning-tree uplinkfast )
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
2-70
debug spanning-tree uplinkfast [exceptions]
no debug spanning-tree uplinkfast
(Optional) Enables debugging of spanning tree UplinkFast exceptions.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
78-16201-01