license right-to-use activate ipservices eval (requires purchase from Cisco):
copy tftp://<tftp-server-ip>/c3750e-universalk9-mz.150-2.se11.bin flash: c3750e-universalk9-mz.150-2.se11.bin
This is a comprehensive guide to the Cisco IOS image . c3750e-universalk9-mz.150-2.se11.bin
license install flash:<license-file.lic> c3750e-universalk9-mz.150-2.se11.bin
copy scp://user@<server>/path/file.bin flash: configure terminal boot system flash:/c3750e-universalk9-mz.150-2.se11.bin end write memory 4.5 Reload to load new IOS reload 5. Licensing (Critical!) universalk9 contains all features but requires right-to-use (RTU) licenses.