I will be upgrading an the IOS of a Cisco router via my TFTP server, how can I tell it to use the new one as there will be the new and old one on there? I haven't rebooted it yet and I don't want a rommon prompt which I have heard about :)
If you have 2 images in flash then you use the boot system command to tell the router which image to boot. By default the router will boot the first image that it finds in flash (which would be the old image usually). The boot system command tells the router which image that you want it to boot. The syntax may vary a bit depending on the model of router and how its flash is identified/named. But the command would look something like this:
boot system flash:
When I do this I frequently put in a boot system command for the new image as the first command and then configure a second boot system command pointing to the old image (just in case there is a problem in booting the first image).
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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