How To Clear Interface Configuration On Cisco Switch?
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1. To clear the entire configuration on a Cisco Switch, log in to the switch and issue the erase startup–config command. This will remove the current running configuration and allow you to start with a blank slate.
2. To reset or clear an interface configuration, use the no shutdown command to enable the interface and then issue the write memory command to save the changes to the active configuration.
1. To clear the configuration from an interface on a Cisco switch, first enter into interface configuration mode.
2. Then, type the command “no shutdown” to bring the interface up.
3. Next, type the command “shutdown” to take the interface down.
4. Finally, type the command “default int” to reset the interface configuration to its defaults.