Regardless of the Cisco IOS network device being implemented, there are two methods for connecting a PC to that network device for configuration and monitoring tasks. These methods include out-of-band and in-band management, as shown in the figure.

Out-of-band management is used for initial configuration or when a network connection is unavailable. Configuration using out-of-band management requires:

In-band management is used to monitor and make configuration changes to a network device over a network connection. Configuration using in-band management requires: