On PlayStation the goal is NAT Type 2. On Xbox the goal is NAT Type Open. NAT Type Strict vs NAT Type 3. These appear to be the same exact thing. NAT Type Strict and NAT Type 3 both mean that you do not have your ports forwarded and your console is not able to accept incoming connection requests.

Nov 28, 2013 Xbox Support Xbox Support loading Easiest Way to Fix Xbox One Double NAT Detected Issue The technique will help you fix the Double NAT problem and change NAT Type from ‘Moderate‘ or ‘Strict‘ to ‘Open‘ in Xbox once and for all. Recently, I faced a problem in my Xbox One S, which is a matter of concern for anyone who likes to play online multiplayer games or …

I'm having the same problem on my xbox one X - double NAT. I have 2 of the 4G routers at home . 1) Huawei B315s-22 (does not show double NAT) 2) TP-link Archer MR200 (shows double NAT and have problems with xbox party chat Nat type:strict)

Fix NAT Type Strict Issues with Gaming Mode - Connectify Strict NAT (Type 3 | C) – your gaming device has limited connectivity with other players. Other players on a moderate or strict NAT will not be able to join your hosted games. This is the case when the router doesn’t have any open ports. So, you’ll have the best gaming experience if you’re on an open NAT or at least a moderate NAT. NAT is strict, ISP is blocking needed ports, wont open

Nov 18, 2019

Fix NAT Type Strict Issues with Gaming Mode - Connectify Strict NAT (Type 3 | C) – your gaming device has limited connectivity with other players. Other players on a moderate or strict NAT will not be able to join your hosted games. This is the case when the router doesn’t have any open ports. So, you’ll have the best gaming experience if you’re on an open NAT or at least a moderate NAT. NAT is strict, ISP is blocking needed ports, wont open For Xbox One on the Xbox One, a GameFAQs message board topic titled "NAT is strict, ISP is blocking needed ports, wont open them. Will a VPN help?". XboX One and NAT - OPNsense Forum - Index Sep 15, 2019