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Subject: Chessmaster 9000 Problems

Author: Brian Thomas

Date: 06:52:35 09/26/02


Hi John/everyone,

My main problem with CM9 is getting it to work behind NAT.  I understand that it
uses directplay for multiplayer... and I've read (among other articles):

http://support.microsoft.com/default.aspx?scid=KB;EN-US;q240429&LNG=ENG&SA=ALLKB

Does CM9 use Directplay 7 or 8?  Just to be sure, I forwarded all necessary
ports (with limited success).  Using a port monitoring tool, I definetly see
port 47624 (DX7), followed by TCP and UDP on the 2300-2400 range.  DX8 is
supposedly only UDP.  But because I see activitiy on 47624, this seems to
indicate use of DX7.

At any rate, just to be sure I forwarded 47624, 2300-2400, and 6073 to a machine
behind NAT; it won't allow me to host (no one can connect), and only sometimes
allows me to join a game.  Sometimes I can't join.

I know it must be possible, because I tried using a Dlink router with DMZ which
forwards all traffic -- it works, proving it can be done behind NAT.  So,
somehow traffic is getting dropped.  Anyone successfully do this?

Second, regarding CM9000 3D boards -- I've installed it now on 5 machines (yes,
I'm a geek!), on 2 of them the 3D boards won't work and causes CM9 to hang on
entering a room.  The video cards are lower end, but to make it work I had to
manually edit the layout file for a 2D board.  Would be better to have a cleaner
way to do this -- perhaps from the main menu.

Thanks for your help!
-Brian



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