In this article we will see how you can easilly configure and tune router CDP capabilities. If you are more interested in what CDP really means and how it works, visit “about CDP” article.
To see simple CD operation and use information that CDP can give you first thing to doo is learn how is possible to turn CDP on and off. If you, for example, want to list the summary information about what devices are connected to your router you can either selectively enable or disable Cisco Discovery Protocol on the entire router, or on individual interfaces. This is done by next couple of commands: