RESET A CISCO ROUTER TO FACTORY DEFAULT SETTINGS

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Download free Reset a Cisco Router to Factory Default Settings.pdf This document explains how to restore a Cisco router to its original factory default settings. In order to perform the procedures described in this document, you must have "enable" (also known as "privileged EXEC") access on the router command line interface.

This document is not restricted to specific software and hardware versions. The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

For more information on document conventions, refer to the Cisco Technical Tips Conventions. There are two main methods to return a Cisco router to its original factory defaults. These two methods are described below.

Method 1
This method uses the config−register 0x2102 command in global configuration mode.
  • Check the configuration register on the router by issuing the show version command. The configuration register setting is displayed in the last line of the show version command output, and should be set to 0x2102. If this is not the case, enter the config−register 0x2102 command once in global configuration mode. router# configure terminal router(config)# config−register 0x2102 router(config)# end router#. If the show version command is issued again, the same line in the command output will have '(will be 0x2102 at next reload)' appended to the current register setting.
  • Erase the current start−up configuration on the router with the write erase command.
  • Reload the router with the reload command. When prompted to save the configuration, DO NOT save. router#reload System configuration has been modified. Save? [yes/no]: n Proceed with reload? [confirm]
  • Once the router reloads, the user will be presented with a 'System Configuration Dialog' as shown below. The router is now reset back to the original factory defaults. −−− System Configuration Dialog −−− Would you like to enter the initial configuration dialog? [yes/no]:
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