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StrictNAT's avatar
StrictNAT
Aspirant
Mar 22, 2021

Strict NAT XBOX ONE with AT&T bgw210-700 modem

Read 1000 post no resolution. Is there a way to open NAT without using DMZ? I've used Microsoft and AT&T tech support no resolution? Is there a setting with the att modem preventing UPnP from working? Port forwarding hasn't worked?. Have 2x boxes on the router. What's left to try?

4 Replies

  • What is the reason for not wanting to use the DMZ? My initial suggest would be to put the XR WAN IP address in the Modem's DMZ and reserve an IP for it. This wouldn't present any kind of security issues, the XR still has it's own firewall.

    • StrictNAT's avatar
      StrictNAT
      Aspirant
      Thank you for the feedback. There is a tab in the Att modem referred to as gaming I looked inn to again yesterday. Under that tab I could select the games I play and Xbox live which opened the appropriate ports. Very simple, unsure why Att didn't guide me to this solution. My NAT is now OPEN after years of double then strict NAT!
      • Netduma-Liam's avatar
        Netduma-Liam
        NetDuma Partner

        Oh, brilliant! Glad to hear that's working then, let me know if you need anything else!