Don
Finally gave up.... And bought a ubiquiti edge router lite and an open reach modem. Better all round. ...
This is what I opted for instead of trying this Asus. Had enough trouble with my DSL-N55U.
The trouble with Asus is they seem to release products before fully testing them, then they use the public as their testers and they are not very forthcoming with information.
If they were more pro-active on their forums and support, then I would overlook it a little.