Matt done the same for me yesterday and now on 6db. My Draytek hasn't the facility to set snr on router side.
Incidentally, what are the side affects of too low snr? From what I understand, its connection stability meaning more drops. Anything else? Generally seems good and not dropped connection, but at one point last night, while speed testing, dropped to 0.3Mbps. All seems good again now.
Edited by MrMoo (Tue 21-Jun-16 16:23:46)