I just purchased four brand new ISR4221 routers as part of an Academy lab set up. I can get them to boot fine, can enter user exec mode and privileged exec mode. However, when I try and enter global configuration mode, I get a command not supported e...

I just purchased a new lab bundle containing Cisco ISR4221 routers. However, when they boot, they are asking for a username and password. The defaults of admin and cisco do not work. No problem I think, boot it into rommon mode and tell it to ignore ...