> Maybe it doesn't get that far?  I'm just getting a repeating set of:
> 
> Apr 30 22:55:24 c /netbsd: pppoe0: could not establish connection

Which means it does not get a session offer from any access concentrator.
Maybe you need to set the service name to something special, i.e. use

  pppoectl -e ne0 -s "my isp providers service name" pppoe0

> Maybe I need to try with PPPOE_DEBUG?

This is a good idea.

The other option is to use tcpdump on the raw ethernet interface and interpret
that manually :-(


Martin