Cisco Nexus 5000 Series Command Reference Release 4.0(1a)N2(1) (OL-16599-01, March 2009)

Send comments to [e-mail]
1-43
Cisco Nexus 5000 Series Command Reference
OL-16599-01
Chapter 1 Basic System Commands
feature udld
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 Configuration mode
Command History
Usage Guidelines This example shows how to enable UDLD on the switch:
switch(config)# feature udld
Related Commands
Release Modification
4.0(1a)N1(1) This command was introduced.
Command Description
show udld Displays the administrative and operational UDLD status.