- 輸入enable 指令，進入 privileged EXEC mode
- 輸入 erase startup-config 指令，顯示下列問題，預設是confirm。這時按下enter，系統執行完顯示如下。
- 輸入 reload 指令，顯示如下。
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
[OK]
Erase of nvram: complete
Proceed with reload? [confirm]
*Mar 1 00:11:55.900: %SYS-5-RELOAD: Reload requested by console. Reload reason: Reload command
Using driver version 1 for media type 1
Base ethernet MAC Address: c0:62:6b:f0:bc:80
Xmodem file system is available.
The password-recovery mechanism is enabled.
