To reload the router, issue the reset command, as shown in this example: rommon 3> reset. After the router boots, issue the enable command at the Router > prompt. The prompt changes to Router#, indicating that the router is now in privileged mode. To enter config mode, issue the config terminal command. You should now see a Router(config)# prompt.. Instructions to Reset a Cisco Router Back to Factory Defaults. There are two main methods to return a Cisco router to its original factory defaults. These two methods are described next. Note: To view any information on the commands in this article refer to the Cisco IOS® Configuration Fundamentals Command Reference. Method 1
This example shows how to reset a switch running Cisco IOS Software to factory defaults with the write erase command: Cat2960# write erase Erasing the nvram filesystem will remove all files! Continue? [confirm]y[OK] Erase of nvram: complete Cat2960# Cat2960# reload. Do you know how to reset a Cisco router to factory defaults w/wo CLI? This tutorial will teach the necessary Cisco IOS commands you have to use in order to restore a Cisco router to its initial factory configuration in the CLI interface whether or not you know the privileged EXEC mode's password.