The unit will reboot. Once the status light stabilizes, it is back to factory defaults. Method 2: The Physical Reset Button
Connect your console cable and open your terminal (9600 baud rate).
Locate the small hole labeled on the back or side of the unit.
Reboot the device and press when prompted to enter the configuration menu. Select the option to Format Flash .
Once logged in, immediately change the admin password or run the execute factoryreset command. Method 4: Formatting the Flash (The "Full" Reset)
Performing a procedure isn't just about clearing settings; it’s about restoring the device to its original "out-of-the-box" state. Here is every method to get it done. Method 1: The CLI "Factory Default" Command