starterhas.blogg.se - How to use format factory cmd

The following procedure is the steps when we are going to recover the forgotten enable password or enable secret command configured in our Cisco router or switch.Ģ.

config-register 0x2142 – ignore contents of NVRAM (startup-configuration).

config-register 0x2120 – boot into ROM Monitor (ROMMON).

config-register 0x2102 – boot normally (default configuration register setting).

The following are the most commonly used configuration register settings: It is mainly used to determine how the router boots, to determine boot options, and to set console speed. Configuration Register is a special 16 bits value that can be configured in Cisco routers. We can use the ‘show version’ command to check the configuration register setting on our device. Router#sh running-configīefore we proceed with password recovery, we will take a look first at the configuration register. Verify if the Cisco router is reset to factory default by checking if “hostname Router 1” is disappeared and changed to default.

Reload the Cisco router to complete resetting to the factory defaults, and the startup wizard or initial system configuration dialog will appear. %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvramĥ. Router 1#write eraseĮrasing the nvram filesystem will remove all configuration files! Resetting the Cisco router to factory default involves erasing the NVRAM. Router 1#copy running-config startup-configĤ. Save the configuration using the ‘copy running-config startup-config’ command. No service timestamps debug datetime msecģ. Verify the configuration by using one of the following commands. In the global configuration mode, create a hostname first on the router as we will use it for verification if the router is already reset into the factory settings. The following procedure is the steps when we are going to factory reset a Cisco router.ġ. We will discuss how to restore our Cisco routers and switches to the factory defaults and also how to implement password recovery on them.įactory Reset on Cisco Router or Switch IOS It will make a new and blank startup configuration file, and it will show you the setup wizard for a quick configuration of the router.īut what if we want to retain the existing configuration on the router? Another solution is to perform a password recovery on the router. What if we forget the login credentials of our Cisco routers or switches and we are not able to log in to make changes in configuration? To reset the Cisco router or switch is one of the quickest ways to resolve the issue.