Did you remember how to configure PAP on a serial link? Time to check your config for a back-to-back serial link with PPP and PAP. Check out the requirements back in the lab post, create your answers, and come back
Getting reps with connecting two router serial interfaces helps build confidence. This lab gives you another chance, this time with PAP authentication on the link. The goal: get the link working so both routers can ping each other.
Unidirectional PAP authentication – sounds like a lot to do, but it just takes a few commands. Check out the requirements back in the lab post, create your answers, and come back here to check your work.
PPP authentication has been around for a long time with both Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP). Although most people use CHAP (for stronger authentication), practicing PAP from the CLI can be useful for rounding out