How do i open my NAT on an nvg510

I've tried to input the ports manually and even enable ip passthrough but i still get disconnected from gta online and xbox live parties. Im using the Nvg510 modem (att uverse) and nothing else. When i test my connection it doest come up with a NAT error message but im still getting disconnected as if i had a moderate NAT. Im using wireless connection.
 

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Last updated July 4, 2018 Views 12 Applies to: