Cisco WS-C3560E-24PD-E Command Reference Manual page 696

udld
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Examples
This example shows how to enable UDLD on all fiber-optic interfaces:
Switch(config)# udld enable
You can verify your setting by entering the show udld privileged EXEC command.
Related Commands Command
show udld
udld port
udld reset
Catalyst 3560 Switch Command Reference
2-664
The no udld port interface configuration command followed by the udld port or udld port
aggressive interface configuration command to re-enable UDLD on the specified interface
The errdisable recovery cause udld and errdisable recovery interval interval global
configuration commands to automatically recover from the UDLD error-disabled state
Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
Description
Displays UDLD administrative and operational status for all ports
or the specified port.
Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.
Resets all interfaces shut down by UDLD and permits traffic to
again pass through.
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