Double NAT/port forwarding issues?

[SociaLFish]

Having connection issues for a game, tried to port forward but my ports are still closed. They asked me to check for a double NAT by using tracert and I got 2 private IPs on my first 2 hops which I've read means that there is indeed a double NAT. I only have 1 device (the smart hub type a) and I've tried putting it into DMZ but to no avail, what can I do?

[licquorice · Accepted solution]

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@SociaLFish wrote:

Having connection issues for a game, tried to port forward but my ports are still closed. They asked me to check for a double NAT by using tracert and I got 2 private IPs on my first 2 hops which I've read means that there is indeed a double NAT.

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No it doesn't. Is the second hop 172.16.12.xx, if so, that is the BT BRAS.

Post the tracert

[SociaLFish]

[licquorice]

No double NAT there.

[SociaLFish]

Alright, seems I was wrong then, but my ports still aren't open even after port forwarding so what could be the cause of that?

[licquorice]

Try turning off UPnP

[SociaLFish]

Still closed.

[licquorice]

The port will only be open when the application/game is running. How are you checking?

[SociaLFish]

I was using https://www.yougetsignal.com/tools/open-ports/ but I will try running the game and seeing if the issue is still there.

[SociaLFish]

Issue still present.