Debug Udld - Cisco Catalyst 4500 Series Command Reference Manual

debug udld

debug udld
To enable the debugging of UDLD activity, use the debug udld command. To disable the debugging
output, use the no form of this command.
Syntax Description
events
packets
registries
Defaults This command has no default settings.
Command Modes
Privileged EXEC mode
Command History Release
12.1(8a)EW
Usage Guidelines This command is supportedonly on the supervisor engine and enterable only from the switch console.
Examples
This example shows how to debug the UDLD events:
Switch# debug udld events
UDLD events debugging is on
Switch#
This example shows how to debug the UDLD packets:
Switch# debug udld packets
UDLD packets debugging is on
Switch#
This example shows how to debug the UDLD registry events:
Switch# debug udld registries
UDLD registries debugging is on
Switch#
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
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debug udld {events | packets | registries}
no debug udld {events | packets | registries}
Enables the debugging of UDLD process events as they occur.
Enables the debugging of the UDLD process as it receives packets from the packet queue
and attempts to transmit packets at the request of the UDLD protocol code.
Enables the debugging of the UDLD process as it processes registry upcalls from the
UDLD process-dependent module and other feature modules.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
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