Cisco Catalyst 3650 Series User Manual

Displays UplinkFast-event debug messages.uplinkfast
Command Default
Debugging is disabled.
Command Modes
Privileged EXEC
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
The undebug spanning-tree command is the same as the no debug spanning-tree command.
When you enable debugging on a stack, it is enabled only on the active switch. To enable debugging on the
standby switch , start a session from the active switch by using the session switch-number command in
privileged EXEC mode. Enter the debug command at the command-line prompt of the standby switch.
To enable debugging on the standby switch without first starting a session on the active switch, use the remote
command switch-number LINE command in privileged EXEC mode.
Examples
This example shows how to display all spanning-tree debug messages:
Device# debug spanning-tree all
Related Commands
DescriptionCommand
Clears spanning-tree counters.
clear spanning-tree counters
Restarts the protocol migration process on the interface.
clear spanning-tree detected-protocols
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
305
debug spanning-tree

Cisco Catalyst 3650 Series Specifications

General

Brand	Cisco
Model	Catalyst 3650 Series
Category	Switch
Language	English