I recently got my hands on a second-hand Cisco 4321 router. First things first,I want to upgrade to the latest IOS version so I have the latest securitypatches. Having no experience at all with IOS, these are some things I learnedalong the way. Conventions Used in This Post Router> is a command prompt that indicates the user in currently in EXEC mode.Router# indicates that the user is in privileged EXEC mode. You get from EXECto privileged EXEC mode by: Router>enableRouter#disableRouter> Depe...
