Configuration-register command
From NetworkCommands
A command available on most Cisco IOS based and ASA platforms; used to modify the numerical value of the Configuration Register.
Contents |
Usage Syntax
configuration-register value
Usage Examples
configuration-register 0x2102 - change the configuration register value to the IOS based device default of 0x2102
configuration-register 0x01 - change the configuration register value to the ASA device default of 0x01
Usage Notes
Use the show version command to display the current value of the Configuration Register and to confirm changes made with this command.
See the Configuration Register and Configuration Register, Cisco ASA articles for information on possible values and their consequences. However, here's a very brief list
- 0x0000 - enter ROM Monitor Mode on next reboot
- 0x2142 - ignore startup configuration on next reboot (used for password recovery)
- 0x2102 - default value
- 0x01 - ASA default value
- 0x41 - ASA ignore startup configuration on next reboot (used for password recovery)
Related Commands
Use the show version command to display the current value of the Configuration Register and to confirm changes made with this command.
This is the IOS Command, for the ROMMon command see the confreg command and confreg command, Cisco ASA articles
Related Articles
Further information on ROM Monitor Mode
For password recovery information see the Cisco Password Recovery and Cisco ASA Password Recovery articles.
Information on other Cisco commands 
Information on Vyatta commands 
Information on Extreme commands 
Information on Linux commands 
Information on F5 BigIP commands 
Information on Blue Coat SGOS commands
Information on Nokia IPSO commands
 We really do appreciate all feedback so please do send your comments, suggestions or corrections to steve#networkstuff.eu (replacing the # with an @)
|
