Router console commands:
md5sum c800-universalk9-mz.SPA.158-3.M9.bin Option A – Via TFTP from a PC connected to router’s Ethernet port: c800universalk9mzspa1583m9bin work
Router# enable Router# copy tftp: flash: Address or name of remote host [x.x.x.x]? 192.168.1.100 Source filename []? c800-universalk9-mz.SPA.158-3.M9.bin Destination filename [c800-universalk9-mz.SPA.158-3.M9.bin]? [press enter] Wait for transfer (can take 5–10 minutes). Then verify: Router console commands: md5sum c800-universalk9-mz