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Transfer IOS image from Cisco 851 router to Cisco 881

Posted on 2014-02-04
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Last Modified: 2014-02-19
I have tried copying the running config from one router to the other. Swapped the routers and the exercise was a failure. I would like to copy the image from one router to the other and then swap. What could go wrong? If the image transfer breaks the IOS in the destination router (could this happen?) can I put back it's original image? How?

I will be following the link below for steps on doing the image transfer http://www.dslreports.com/faq/9817
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Question by:bobox00
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by:Craig Beck
Craig Beck earned 167 total points
ID: 39834337
I don't think the IOS will transfer to the 881 - it's completely different hardware.

The configuration should go ok though, but the interface labels might be different.
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Robert Sutton Jr earned 167 total points
ID: 39834354
FWIW: Have you verified the images on both devices using the command "Sh ver"? As craigbeck stated above, the images can't transfer however you can copy and paste the configuration. The image and configuration are two separate things. You would have to tftp the image that you want on the new router provided you have enough memory available. Then copy and paste your running config on the 851 to the running & startup config on the 881 and save it.. Let us know what the versions are on both and we can assist you further.
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by:Matt V
Matt V earned 166 total points
ID: 39836335
The IOS image from the 851 is not the same as the 881, you need the correct IOS for the 881.

Moving the config should work, but you will have to make some modifications to match interface names etc..

I would tftp the old config to a PC, edit it with a text editor to match the new interface names etc, and then tftp that to the new router.
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by:bobox00
ID: 39870746
Thanks for your comments. Editing the config in Notepad now.
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