Cisco 4500M Command Reference

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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
debug udld
debug udld
To enable debugging of UDLD activity, use the debug udld command. To disable debugging output, use
the no form of this command.
debug udld {events | packets | registries}
no debug udld {events | packets | registries}
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC
Command History
Usage Guidelines This command is supported by the supervisor engine only and can be entered only from the
Catalyst4500 series switch console.
Examples This example shows how to enable debugging of UDLD events:
Switch# debug udld events
UDLD events debugging is on
Switch#
This example shows how to enable debugging of UDLD packets:
Switch# debug udld packets
UDLD packets debugging is on
Switch#
This example shows how to enable debugging of UDLD registry events:
Switch# debug udld registries
UDLD registries debugging is on
Switch#
Related Commands undebug udld (same as no debug udld)
events Enables debugging of UDLD process events as they occur.
packets Enables 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.
registries Enables debugging of the UDLD process as it processes registry upcalls from the UDLD
process-dependent module and other feature modules.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.

Cisco 4500M Specifications

General

Brand	Cisco
Model	4500M
Category	Network Router
Language	English