Reference Guide

Template Last Updated - 2/7/2007 UDLD Commands 843
DELL CONFIDENTIAL – PRELIMINARY 5/21/14 - FOR PROOF ONLY
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UDLD Commands
show udld
To display the administrative and operational Unidirectional Link Detection
Protocol (UDLD) status, use the show udld command in Privileged EXEC
mode.
Syntax
show udld [ interface-id ] [neighbors]
Parameters
• interface-id —Interface identifier of an Ethernet port.
•
neighbors —Displays neighbor information only.
Command Mode
Privileged EXEC mode
User Guidelines
If you do not enter an interface ID value, the administrative and operational
UDLD status for all interfaces on which UDLD is enabled are displayed.
Example
Example 1—This example shows how to display the UDLD state for all
interfaces. Most of the fields shown in the display are self-explanatory. Those
that are not self-explanatory are defined below.
console# show udld
Global UDLD mode: normal
Message Time: 15 sec(default)
Interface te0/1
Port UDLD mode: aggressive
Port Current state: Bidirectional
Number of detected neighbors: 1