Cisco 3560x-24p 参考指南
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Catalyst 3750-X and 3560-X Switch Command Reference
OL-21522-02
Chapter 2 Catalyst 3750-X and 3560-X 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).
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.
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:
link to the Cisco IOS Release 12.2 Command Reference listing page:
Select the Cisco IOS Commands Master List, Release 12.2 to
navigate to the command.
navigate to the command.
Displays UDLD administrative and operational status for all ports or
the specified port.
the specified port.
Enables aggressive or normal mode in UDLD or sets the configurable
message timer time.
message timer time.
Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.
interface from being enabled by the udld global configuration
command.