It's important to keep the backup image in a secure location and test its integrity by restoring it to a test router before it is needed. Using a USB Flash Drive, by copying the image from the flash memory to USB flash drive and also can be done vice versa.īacking up the config using the command “ show run ” to save the config to a file, this can be useful in restoring the configuration after the IOS upgrade. Using a Cisco Network Management System (NMS) such as Cisco Prime or Cisco DNA Center to remotely back up the IOS image. You can use the "copy flash tftp" command to copy the image from the flash memory to a TFTP server, and the "copy tftp flash" command to copy the image from the TFTP server to the flash memory. Using the Cisco command-line interface (CLI) to copy the image from the router's flash memory to a remote server or TFTP server.
There are several ways to back up the Cisco IOS image on a router, including − It is always recommended to have a backup copy of the Cisco IOS image before making any changes to the router, such as upgrading to a new version or installing a new feature set. Backing up Cisco IOS Router imageīacking up the Cisco IOS image on a router is an important step in the event that the current image becomes corrupt or is accidentally deleted. It contains the necessary system files and utilities to allow the router to function as a network device, such as routing protocols, management tools, and security features. A Cisco IOS (Internetwork Operating System) image is a type of software that runs on a Cisco router.
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