Udld Reset - Cisco Catalyst 3550 Command Reference Manual

udld reset

udld reset
Use the udld reset privileged EXEC command to reset all interfaces shutdown by the UniDirectional
Link Detection (UDLD) and permit traffic to begin passing through them again (though 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 arguments or keywords.
Command Modes Privileged EXEC
Command History Release
12.1(4)EA1
Usage Guidelines If the interface configuration is still enabled for UDLD, these ports begin to run UDLD again and might
shutdown for the same reason if the problem has not been corrected.
Examples This example shows how to reset all interfaces disabled by UDLD:
Switch# udld reset
1 ports shutdown by UDLD were reset.
You can verify your setting by entering the show udld privileged EXEC command.
Related Commands Command
show running-config
show udld
udld
udld port
Catalyst 3550 Multilayer Switch Command Reference
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udld reset
Modification
This command was introduced.
Description
Displays the running configuration on the switch. For syntax
information, for more information about configuring an SDM template
Cisco IOS Release 12.2 Configuration Guides and Command
References > Cisco IOS Configuration Fundamentals Command
Reference, Release 12.2 > File Management Commands >
Configuration File Management Commands.
Displays UDLD administrative and operational status for all ports or
the specified port.
Enables aggressive or normal mode in UDLD or sets the configurable
message timer time.
Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
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