Quick Cisco 3845 IOS update

I have used several methods to update IOS but the easiest for me is old fashioned FTP.

Copy the image from an FTP server to the router.

copy ftp://user:pass@10.1.2.3 flash

Tell the router to boot form the new software image.

boot system flash c3845-advsecurityk9-mz.124-25a.bin

http://proisk.com/?q=c3845-sp (interesting site)