I need help on multiplayer coz my ISP doesn't support UPnP

Godot Version

4.3

Question

Hey all! I was trying to make a multiplayer game on Godot 4. It was all going so smooth until I found out that my ISP doesn’t UPnP. May I know if there is anything else I can try to implement high level multiplayer to play with friends via internet? I really appreciate your guys help!

Your ISP doesn’t control UPnP, its a feature of the router you use to connect to your ISP. Your router may still not have UPnP, but you don’t need it to make a multiplayer games. you just need to manually port forward, or use with something called UDP punchthrough.

You can do local discovery via the ipv4/6 broadcast channel, but this may or may not be blocked by the router and OS.

you can allow individuals to enter ip addresses manually.

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Actually, My bad. My router does support UPnP and I got rid of the first error by disabling the firewall. But I am getting a new error “Invalid Gateway error” this time.

Have you tried restarting the network after the change?

You mean, turning it off and on? Or something like resetting the router?

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