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Upgrade from 2621 to 2691

Hello, we are upgrading from a 2621 to a 2691 and I would like to know if it is possible to copy our config and IOS to this new router. We have tried setting it up like our 2621 and it won't pass all of our DNS through to our remote sites which is a big problem. Any help is appreciated!

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Re: Upgrade from 2621 to 2691

The IOS versions will be different for the 2621 and 2691 (the filename for the 2600 will be c2600-i-mz, and for the 2691, the IOS will be named c2691-i-mz). Go to the IOS Upgrade Planner to download the IOS for the 2691:

http://www.cisco.com/cgi-bin/Software/Iosplanner/Planner-tool/iosplanner.cgi?majorRel=12.2

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