C800-universalk9-mz.spa.157-3.m9.bin -

Understanding the naming convention helps identify exactly what this software supports:

Cisco’s IOS (Internetwork Operating System) naming convention is dense but logical. By parsing this string, we can learn everything about the image without even loading it onto a device. c800-universalk9-mz.spa.157-3.m9.bin

Router# license boot module c800 technology-package securityk9 Router# reload Router# show license c800-universalk9-mz.spa.157-3.m9.bin

: License missing. Remedy : Install securityk9 license or use license accept end user agreement for 60-day evaluation. c800-universalk9-mz.spa.157-3.m9.bin

Transfer time : ~10-15 minutes over 100Mbps.