Hi guys below is a diagram of what my network looks like.



The areas other than 0 are all pppoe servers which gets authentication from radius server MTK1.
OSPF setup works well.


Now my question is when i torch the lan interface of the radius server i cant see the pppoe clients ip only the ip of the routers connecting to the MTK1. Is there a way to actually see the ip of the connecting client. e.g say pppoe client 1 connects in area 2 and gets an ip from pppoe server 192.168.2.254/24 .

Not sure if this is covered in tutorials so a point to a wiki will be fine.

Thanks

PPPOE server is sending requests to radius server, not client. That is why you see traffic on radius servers interface coming from the router (pppoe server).

Thanks..