Reset Port Config to Default for One Port
Use the command below to clear the configuration on a port.
s3560(config)#default interface gigabitEthernet 0/3
Interface GigabitEthernet0/3 set to default configuration
Use the command below to verify that the running config for the port has been reset to the default configuration.
s3560#show running-config interface gigabitEthernet0/3
Building configuration…Current configuration : 36 bytes
!
interface GigabitEthernet0/3
end
Now write your changes to memory.
s3560#copy run start
Destination filename [startup-config]?
Building configuration…
[OK]
0 bytes copied in 1.427 secs (0 bytes/sec)
Reset Port Config to Default for a Range of Ports
Below we are going to clear/delete the config from a range of ports
s3560#conf terminal
s3560(config)#default interface range gigabitEthernet 0/13 – 24
Again, don’t forget to save your changes.