Cisco Catalyst 3750 Metro - Udld (Global Configuration)

2-745
Catalyst 3750 Metro Switch Command Reference
OL-9645-10
Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
udld (global configuration)
• The no udld enable global configuration command followed by the udld {aggressive | enable}
global configuration command to re-enable UDLD globally.The udld port disable 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 ports:
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
interfaces or the specified interface.
udld (interface configuration) Enables UDLD on an individual interface or prevents a fiber-optic
port 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.