Administrator Guide

Layer 2 Switching Commands 799
User Guidelines
In aggressive mode, UDLD will attempt to detect a peer by sending an
ECHO packet every seven seconds until a peer is detected.
Example
This example configure an interface to operate in UDLD aggressive mode.
console(config-if-Te1/0/1)#udld port aggressive
show udld
Use the show udld command in User Exec or Privileged Exec mode to display
the global settings for UDLD.
Syntax
show udld [ interface-id |all]
Default Configuration
This command has no default setting.
Command Mode
Privileged Exec or User Exec mode, Configuration mode and all
Configuration submodes
User Guidelines
When no interface is specified, the following fields are shown:
When an interface ID is specified, the following fields are shown:
Field Description
Admin Mode The global administrative mode of UDLD.
Message Interval The time period (in seconds) between the transmission of
UDLD probe packets.
Timeout Interval The time period (in seconds) before making decision that link
is unidirectional.
2CSNXXX_SWUM204.book Page 799 Monday, January 25, 2016 1:25 PM