This document provides guidance on how to configure your Linux PC
as a PPP server (allowing other people to dial into your Linux PC and
establish a PPP connection).
You should note that there are a myriad of ways of setting up Linux as a
PPP server. This document gives one method - that used by
the author to set up several small PPP servers (each of 16 modems).
This method is known to work well. However, it is not necessarily
the best method.
Take our 
