I've been working on Cisco Routers/Switches/ASA's for a while now, but I have never looked into upgrading the IOS, since all my equipment has had what I needed. Now I have ran into needing an upgrade, I know how to do this, but I'm not actually sure where to get the IOS' from. I've seen a lot of threads about uploading through FTP and TFTP. Just wondering where you got your images from?
2017 Certification Goals: