Maybe just list out what you did start to end - from Network settings.
It is probably something really small. Should not be a need to adjust your router - maybe include which service provider you are with.
Looking at the link from Basq earlier - the only difference I made was I configured my IP address manually - but otherwise that guide is pretty much it - though I used different DNS addresses - I used the 22 one and the 23.
Just to be sure on mine - set manually.
IP = 192.168.20.50 (I connect my PS3 via another device hence the 20) - will be different for you
Default Gateway = 192.168.20.1 - will be different for you
Subnet = 255.255.255.0
DNS 1 = 184.108.40.206
DNS 2 = 220.127.116.11
Then went all way to end - tested - got Nat 3 - hit X again and exited.
You may need to restart / clear your cache.
Netflix took a long time to open - but when it did got the lot.