we have new 2811 with IOS Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(3f), RELEASE
SOFTWARE (fc3), and I am trying to upgrade to c2800nm-ipbaseek9-mz.124-10.bin. I tftp it to the router but I am not asked to erase the flash and when it is done tftping I do a show flash and it is there. If I reload it won't load the new IOS. If I tell the router to load the new IOS I get the following error:
When I read descriptions of problems with IOS upgrades one of the first things that I think about is the possibility that an invalid image has been loaded. But your error message indicates the file is not available not that it is invalid.
If you could post the console messages generated during the boot process it would help us to give you better advice. Also it would be helpful if you would post the output of show flash and the commands that you configured to tell the router to boot this new image.
I faced some similar problem two days before on a cisco 1841 and the problem was that the IOmem percent was high and thee was not enough memory to load the new IOS into RAM. Please check your device and the required memory for the IOS. You can modify IOmem percent in rommon (iomemset)...
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...