Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
udld reset
udld reset
Use the udld reset privileged EXEC command to reset all interfaces disabled 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).
udld reset
Syntax Description This command has no arguments or keywords.
Command Modes Privileged EXEC
Command History
Usage Guidelines If the interface configuration is still enabled for UDLD, these ports begin to run UDLD again and are
disabled 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
Release Modification
12.2(53)SE2 This command was introduced.
Command Description
show running-config Displays the operating configuration. For syntax information, use this
link to the Cisco IOS Release 12.2 Command Reference listing page:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/prod_com
mand_reference_list.html
Select the Cisco IOS Commands Master List, Release 12.2 to
navigate to the command.
show udld Displays UDLD administrative and operational status for all ports or
the specified port.
udld Enables aggressive or normal mode in UDLD or sets the configurable
message timer time.
udld port Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.

Cisco Catalyst 3750-X Specifications

General

Brand	Cisco
Model	Catalyst 3750-X
Category	Switch
Language	English