Cisco 300 Series User Manual

Loopback Detection Commands
OL-32830-01 Command Line Interface Reference Guide 682
31
31.2 loopback-detection enable (Interface)
To enable the Loopback Detection (LBD) feature on an interface, use the
loopback-detection enable Interface (Ethernet, Port Channel) Configuration mode
command. To disable the Loopback Detection feature on the interface, use the no
form of this command.
Syntax
loopback-detection enable
no loopback-detection enable
Parameters
This command has no arguments or keywords.
Default Configuration
Loopback Detection is enabled on an interface.
Command Mode
Interface (Ethernet, Port Channel) Configuration mode
User Guidelines
This command enables Loopback Detection on an interface. Use the
loopback-detection enable Global Configuration command to enable Loopback
Detection globally.
Example
The following example enables the Loopback Detection feature on port
gi1 4.
switchxxxxxx(config)# interface gi1 4
switchxxxxxx(config-if)# loopback-detection enable
31.3 loopback-detection interval
To set the time interval between LBD packets, use the loopback-detection interval
Global Configuration mode command. To
restore the default configuration, use the
no form of this command.

Cisco 300 Series Specifications

General

Brand	Cisco
Model	300 Series
Category	Switch
Language	English