Udld Commands; Show Udld - Cisco 300 Series Cli Manual

UDLD Commands

OL-32830-01 Command Line Interface Reference Guide
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show udld

To display the administrative and operational Unidirectional Link Detection
Protocol (UDLD) status, use the show udld command in Privileged EXEC mode.
Syntax
interface-id
show udld [
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.
Examples
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.
switchxxxxxx#
show udld
Global UDLD mode: normal
Message Time: 15 sec(default)
gi11
Interface
Port UDLD mode: aggressive
Port Current state: Bidirectional
] [neighbors]
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