This seems really odd, I've been attempting to load a 12.4.12c advanced IP services image onto a 3825 via TFTP. The file is around 37meg, which caused an inital problem, my TFTP server (Solar Winds) didnt support files over 32meg. With a new TFTP server (Pumpkin) the IOS loads, but fails with a console message indicating insufficent flash space. The download page indicates 64meg flash and 256meg ram as a minimum, which I have.
I checked the file size, the image I downloaded is correct, so I dont think its a corrupt image. Either the requirements on the download page are wrong, or could I have some other fault?
I deleted all files on the flash, so I had 0 bytes used before I started the download.
I used a smaller IP+ image, approx 27meg which worked ok.
It is an interesting suggestion to try the squeeze command, but I do not believe that it is supported in the file system for the 3800 routers.
I believe that the suggestion by Mark to use FTP is potentially useful not only because FTP does not have a size limitation but because the performance of FTP is much better than the performance for TFTP especially for large files.
However I am not sure that changing from TFTP to FTP will resolve this problem. If I am understanding correctly the copy starts, it proceeds for a while, and then it aborts with an error message about not enough flash. Is this understanding correct? If so I would suggest that you look on your server and see what the size of the image file is. Perhaps you can post the image size as reported by your server and post the output of show flash.
I did think about using an FTP server, but the I'm sure the copy process would have still failed.
The file size of the image of my PC server is 38,670,960 bytes, the same as reported on CCO. The image in question is c3825-advipservicesk9.mz.124-12c.bin
What appears to occur is that the image is loaded twice, looking at the byte counter it counts to 38something Meg, then starts again, I'm not sure why.
One of the engineers here had a PCMCIA card copier, he simply used that to copy a suitable image onto this card, although not the same as I'd downloaded. So its not a pressing issue, but I am trying to learn from the experience and establish why this process that I've done plenty of times before failed.
The TFTP server issue was a seperate issue, probably due to me using an early version, but was a bit of a diversion.
I have just upgraded another of these routers using the same image. but this time copied the image from another router using TFTP. No problem with file size errors reported this time, so I am thinking that this may be a TFTP server issue, not a problem with the image.
Tftpd32 is pretty much the best one out there and Cisco recommends using it in several different documents. There's more than one way to skin it though. You can SCP it to the router, put it on a USB drive etc etc.
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