Clearing Interface Configuration with the "clear configuration this" Command

To quickly clear all configurations on an interface and revert it to default values, execute the clear configuration this command while in interface view.

Example steps:

[tmall] interface gigabitethernet 0/0/1

[tmall-GigabitEthernet0/0/1] display this

Current configuration (example):

interface GigabitEthernet0/0/1

description switch-A

port link-type access

Run the clear command:

[tmall-GigabitEthernet0/0/1] clear configuration this // clears all interface configurations, restoring defaults

The system prompts for confirmation:

Warning: All configurations of the interface will be cleared，and its state will be shutdown. Continue? [Y/N] :y

After confirmation, the device reports execution results: Info: Total 2 command(s) executed, 2 successful, 0 failed. Verify the interface state again: [tmall-GigabitEthernet0/0/1] display this Resulting configuration shows the interface is shut down:

interface GigabitEthernet0/0/1

shutdown // after clearing, the interface is in a shutdown state