Layer 2 Switching Commands 781
no udld enable
Default Configuration
UDLD is disabled by default on an interface. UDLD must be enabled
globally and on an interface in order to operate.
Command Mode
Interface (physical) Configuration mode
User Guidelines
UDLD cannot be enabled on a port channel. Instead, enable UDLD on the
physical interfaces of a port channel.
Example
This example enables UDLD on an interface. UDLD must also be enabled
globally.
console(config-if-Te1/0/1)#udld enable
udld port
Use the udld port command in Interface (physical) Configuration mode to
select the UDLD operating mode on a specific interface.
Use the no form of the command to reset the operating mode to the default
(normal).
Syntax
udld port aggressive
no udld port
• aggressive—Sets the port to discover peers in aggressive mode.
Default Configuration
Normal mode is configured by default when UDLD is enabled on an
interface.
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