darkuser wrote: you only need a static route when you're not directly connected to your peer's ip and are not already learning your peer's ip address thru an igp. in most real world cases you just add a static route to the peer's loopback to the directly connected serial. in the lab you simply advertise the loopback in the igp of choice. what you do in the lab also depends on what is presented to you and is not defineable here.