Additional Network Ports for Multiplayer Gaming: PlusNet Nat Type Issue On Xbox One

Have you tried to hard reset the console? Another option would be is to factory reset the modem; if you have rebooted it already.

I would recommend that you follow the steps on this link and see if there will be improvements. https://support.xbox.com/en-US/xbox-one/networking/nat-error-solution.

There is a chance that you may need to contact your ISP(Internet Service Provider) if changes with your Network configuration or IP address needs to be changed. Be sure to follow the link above since it's tested and proven to work.

I hope all goes well for you.

Greetings WaysideMicrobe8,

My question for you would be are you having issues with your Nat type? Sometimes unplugging your router/modem can fix it but if there is a "Nat type: moderate" or " Nat type: Strict" that would be your number one issue right there. If that is the case, you
would have to get a hold of your ISP ( Internet Service provider a.k.a Comcast, Century link, AT&T) to open ports/ port forwarding or you could do it yourself. I will leave links for you and I hope they help.

Sincerely,

Jagger

Nat issues :

https://beta.support.xbox.com/help/friends-social-activity/parties-chat/troubleshoot-multiplayer-game

Xbox One Port forwarding:

https://beta.support.xbox.com/help/hardware-network/connect-network/network-ports-used-xbox-live

@DHC Valiance:

CoD is special on networking issues. It indeed checks it's own NAT type and uses additional ports (3076 UDP) to the ports the Xbox uses. That's because it works with a mix of dedicated servers and peer-to-peer networking.

Ports required to use Xbox Live

These ports must be open for Xbox Live to work:

• Port 88 (UDP)
• Port 3074 (UDP and TCP)
• Port 53 (UDP and TCP)
• Port 80 (TCP)
• Port 500 (UDP)
• Port 3544 (UDP)
• Port 4500 (UDP)

Note Some game developers require you to open additional ports. You should always check the game developer's website to see if the game you're playing needs additional ports to work. We've gathered some ports you might need
and have added them to the
Additional Network Ports for Multiplayer Gaming forum.

If you're connected to a network through your workplace or school, ask the network administrator to open these ports.

If you receive a NAT warning when you connect to Xbox Live, see the
Xbox One Multiplayer Game Solution