First of all I'm a total newbie...but maybe I can help!
You probably need a PPPOE Client Software to connect to the internet.
I personnaly use rp-pppoe.
You can get it from their website at :
I think you should download the sources because there is no RPM for suse...well..that's what I did.
Also read the readme file. There is pretty good and very important information there if I remember well.