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March 14, 2007
Configuration Replacement
The group over at NIL have written an nice article on the configure replace command. I've seen this command a couple times, but never used it. It allows you to replace the running configuration with a copy of the startup configuration (or some other config you have on a TFTP server). Previously, this was only possible by rebooting the router or using a ton of "no" commands to back all your configuration out. The router can even list what commands will be negated as it replaces the running configuration! Nice!
The command to pull it off is this:
Router#configure replace nvram:startup-config list
The "list" command on the end will list the syntax the router is adding or removing as it goes...very nice! The entire write-up on this can be found here.
Posted by JC at March 14, 2007 3:50 PM
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Comments
Article is good stuff, it is also part of a larger set of config file maintenance commands. Below is a link to Cisco's doc on it
http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a0080454f8c.html#wp1085347
Posted by: Cody at March 16, 2007 12:34 PM
You actually did use this command in your ISCW CBT Nugget. That's where I learned it.
Posted by: Dedan at March 21, 2007 9:32 AM
RIGHT! I actually completely forgot about that...It all becomes a blur after awhile :).
Posted by: JC at March 21, 2007 4:36 PM