The interface loopback command creates a loopback interface.
The undo interface loopback command deletes a loopback interface.
Format
interface loopbackloopback-number
undo interface loopbackloopback-number
Parameters
Parameter
Description
Value
loopback-number
Specifies the number of a loopback interface.
Views
System view
Default Level
2: Configuration level
Usage Guidelines
After the loopback interface is created, it keeps Up all the time. Owing to its loopback features, the loopback interface is often used to improve the reliability of configuration.