(In this case, static routing, PPPOE, and NAT are used together for your reference. (Unzip the file and open it with Notepad)
This document includes the following attachments:
RT1.text.cfg
RT3.text.cfg
RT5.text.cfg
RT7.text.cfg
Topology Map__Experiment 011--Routing Summary.jpg
Static routing border PPPOE dial-in NAT translation....)