In this post, we will explain, how to restore Cisco IOS from ROMMON mode using the TFTP server. Since the IOS resides in the flash memory of the router, so first, you need to take the backup of IOS flash file on TFTP server and then you can restore the IOS from the flash file you have stored on TFTP server. You can recover Cisco IOS using the TFTP server. If the operating system of a system can be corrupted due to a number of reasons, then why not an IOS be corrupted. Like a system, a router also requires an operating system called Internetworking Operating System (IOS) to function.
