Udld Reset - Cisco Catalyst 2950 Command Reference Manual

Chapter 2 Cisco IOS Commands

udld reset

Use the udld reset privileged EXEC command to reset all interfaces shut down by UniDirectional Link
Detection (UDLD) and to permit traffic to again pass through. Other features, such as spanning tree, Port
Aggregation Protocol (PAgP), and Dynamic Trunking Protocol (DTP), still have their normal effects, if
enabled.
Syntax Description This command has no keywords or arguments.
Command Modes
Privileged EXEC
Command History Release
12.0(5.2)WC(1)
Usage Guidelines
If the interface configuration is still enabled for UDLD, these ports begin to run UDLD again and might
shut down for the same reason if the problem has not been corrected.
Examples
This example shows how to reset all interfaces that have been shut down by UDLD:
Switch# udld reset
1 ports shutdown by UDLD were reset.
You can verify your settings by entering the show udld privileged EXEC command.
Related Commands Command
show running-config
show udld
udld (interface configuration)
udld (global configuration)
78-11381-05
udld reset
Modification
This command was first introduced.
Description
Displays the running configuration on the switch. For syntax
information, select Cisco IOS Configuration Fundamentals
Command Reference for Release 12.1 > Cisco IOS File
Management Commands > Configuration File Commands.
Displays UDLD 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.
Enables UDLD on all fiber-optic ports on the switch.
Catalyst 2950 Desktop Switch Command Reference
udld reset
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