Just what is a FECN and BECN and why won't your PPP connection come up no matter how many times you bash your hands on the router?

It is all well and good being able to put your access lists on but if your router can't connect to your ISP then you don't have much of a network. In this module you will learn how to configure Frame Relay (yes it is still in use today, PPP and ISDN as well as leased lines.