Tried changing the listening port from 2568 to 6346 - no change. We had a power outage the other day so the router was off for five hours and no change, but I will try manually turning it off and then turning it back on and see what happens. Do you need me to give you all those numbers? All I can find on the routher is Comtrend, Model CT-5621, P/N 22462-016.