Feature Udld - Cisco Nexus 5000 Series Command Reference Manual

F Commands

feature udld

To enable the Cisco-proprietary Unidirectional Link Detection (UDLD) protocol, which allows ports that are
connected through fiber optics or copper Ethernet cables to monitor the physical configuration of the cables
and detect when a unidirectional link exists, use the feature udld command. To disable UDLD on the switch,
use the no form of this command.
feature udld
no feature udld
Syntax Description
This command has no arguments or keywords.
Command Default
UDLD is disabled.
Command Modes
Global configuration mode
Command History
Release
4.0(1a)N1(1)
Examples This example shows how to enable UDLD on the switch:
switch(config)# feature udld
Related Commands
Command
show udld
show feature
Modification
This command was introduced.
Description
Displays the administrative and operational UDLD
status.
Displays whether or not UDLD is enabled on the
switch.
Cisco Nexus 5000 Series Interfaces Command Reference
feature udld
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