Having a problem connecting online for gaming or any application? Follow the steps in the video, outlined here: 1. Enable DMZ (Works best for one console on network) 2. Enable Port Range Forwarding (Works best for multiple consoles on one network) 3.Enable UPNP or “Universal Plug and Play” 4.Disable Firewall *Do this at your own discretion* If you follow these steps correctly it will fix your connection issues.
See the article here:
How To Fix NAT Type Or Any Internet Connection Issue For Any Device