Submitted by hbogert on Wed, 12/31/2014 - 16:56
Update
I was switched from ADSL to VDSL. I can verify that once this happens, the "tricks" below do not work anymore with the Arcadyan ( Experiabox V8 ) router. Internally the router has 2 virtual interfaces, one for ADSL and one for VDSL. It seems that the PPPoE frames are still switched over the ADSL virtual interface, instead of over the VDSL interface.