Cisco Systems 3560 Manual De Usuario

Beginning in privileged EXEC mode, follow these steps to reset all ports disabled by UDLD:

You can also bring up the port by using these commands:

The shutdown interface configuration command followed by the no shutdown interface 
configuration command restarts the disabled port.

The no udld {aggressive | enable} global configuration command followed by the udld 
{aggressive | enable} global configuration command re-enables the disabled ports.

The no udld port interface configuration command followed by the udld port [aggressive] 
interface configuration command re-enables the disabled fiber-optic port.

The errdisable recovery cause udld global configuration command enables the timer to 
automatically recover from the UDLD error-disabled state, and the errdisable recovery interval 
interval global configuration command specifies the time to recover from the UDLD error-disabled 
state. 

To display the UDLD status for the specified port or for all ports, use the show udld [interface-id] 
privileged EXEC command. 

For detailed information about the fields in the command output, see the command reference for this 
release.

udld port [aggressive]

UDLD is disabled by default. 

udld port—Enables UDLD in normal mode on the specified port.

udld port aggressive—Enables UDLD in aggressive mode on the 
specified port.

Use the no udld port interface configuration command to 
disable UDLD on a specified fiber-optic port.

For more information about aggressive and normal modes, see the 

.

Return to privileged EXEC mode.

show udld interface-id

Verify your entries.

(Optional) Save your entries in the configuration file.

Reset all ports disabled by UDLD.

Verify your entries.