Didn't you have a previous thread about this
here ?
Did you try that guide supplied? We're still waiting for your responses in that thread.
One thing I notice from your debugs is this
275465: *Aug 26 15:07:50.105 GST: Vi3 CHAP: O RESPONSE id 1 len 39 from "XXX@XXX"
275466: *Aug 26 15:07:51.217 GST: Vi3 CHAP: I FAILURE id 1 len 36 msg is "Reject(82): User has been online"
275467: *Aug 26 15:07:51.217 GST: Vi3 PPP DISC: We failed authentication
Are you sure about your username / password you're using here? Or you'd have to take it up with your ISP
and have them do the same on their PPPOE infrstraucture.
My 00000010bits
Regards