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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
udld
• 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
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 Description
show udld Displays UDLD administrative and operational status for all ports
or the specified port.
udld port Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.
udld reset Resets all interfaces shut down by UDLD and permits traffic to
again pass through.
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