I need to upgrade a Cisco 3845 router to 12.4(15)t to support HWIC-2FE cards but need help on how to do the upgarde please. I have put the image on t heTFTp server and I an consoled in.
if there is a link for upgrading that router model please?
You type the first command (with the name of the new image) and press enter, then you type the command a second time (with the name of the old image) and press enter. The router will process them in the order they were entered (so there is no need to specify primary or secondary).