Tuxist Jan 13, 2013 @ 6:15am
Dual Wan with Two IP's can't connect to any game
I have dual Wan Connection because we haven't good internet connection here. So if i will be connect to game lan or internet i got game session not available. Any Solutions ?
My Router is a TPLINK TL-R480T+.
Last edited by Tuxist; Jan 13, 2013 @ 6:15am
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Tuxist Jan 15, 2013 @ 11:47am 
Any Solutions there ?
AlenL  [developer] Jan 17, 2013 @ 1:53am 
Due to the nature of P2P connections, you must make sure that the game (and Steam) connect to the internet on only on external IP. If e.g. they go out towards some sites on one IP and other sites on other IP, it can happen that when you connect to the master server, and to the actual game server, you connect from different IPs, so they cannot identify you as the same client. Since they do internal communication (masterserver<>gameserver) for authorization, anti-cheat, etc, this will make the connection fail.

I can only recommend that you configure your router to use only one external IP per internal IP. If you want to play with mutliple computers on one LAN (and where the server is on the same LAN!) behind such a router, you might also want to set only one external IP for all machines in the game. Otherwise it might happen that the game won't understand that you are on the same LAN (as master server sees you come from different IPs), then all your traffic will go through the router anyway, which you probably don't want.

I hope this explanation helps.
Tuxist Jan 18, 2013 @ 12:23pm 
hmm i can add the master server to abalacing rule so that all outgoing connections to this were will redirected to one interface.
Last edited by Tuxist; Jan 18, 2013 @ 12:23pm
AlenL  [developer] Jan 19, 2013 @ 1:12am 
I think you should add your internal machine instead. It is not just the master server, but the fact that master server and actual game server see your client as two different machines. Does that explanation make sense?

I cannot guarantee what will or will not work for you, but we did try playing behind a dual-WAN router, and it worked - providing all clients were set to exit from only one external interface.
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Date Posted: Jan 13, 2013 @ 6:15am
Posts: 4