Thanks for your reply.Yes, it was working before, and then wouldn't sign into PSN network. PS4 does connect to Internet. Can use internet through the PS4.I initially only had ports forwarded, but...

Region : UnitedKingdom Model : TD-W8980 Hardware Version : V1 Firmware Version : ISP : TT Apologies, W9980 was not on the list. This problem started 24hrs ago. I have done the following to check, but...