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[MustangSVT]

Hello there.  I currently use a D-Link DIR-655 router on a game server I run and I've been having this problem for sometime now.  I have the router hooked up to the internet modem, and then my server computer hooked up to the router's first port.  I use port forwarding to forward the game ports, as well as my FTP server ports.  I have about 80 clients or so logged in at a time on my server.

The issue is the following.  Our internet connection has an external IP of 67.23.155.123 (this is just an example).  My internal IP is 192.168.0.101.

When I do "netstat" to see all the clients logged in to the game server on this computer or when I run Wireshark, every client logged in to the server (for this game application) is shown as having an IP of 67.23.155.123 (the server's external IP).

On the other hand, for our FileZilla FTP server, if I run Wireshark/netstat, I can actually see the client's external IP (i.e. each individual IP of people logged into the FTP).

If I hook up the server directly to the internet modem, this isn't a problem, and I am able to correctly see the IP of each client logged in to the game server individually.

I figure I must be doing something wrong (maybe) or that something else is happening here.  My guess right now is that the router is somehow doing optimization or something like that -because- there's so many (approx. 80) clients logged into the game server, whereas the FTP server generally has 10 logged in at a time at most.

I desperately need this fixed because I really need to be able to see everyone's individual IP that logs in, and without that information, it poses a lot of problems for me and my server.  I appreciate any help and I thank you in advance for reading this.

[MustangSVT]

I should mention that when power goes down and router restarts, I can see each client's IP for my game application fine for the first few hours, but then it switches to the server's IP (i.e. everyone's IP becomes 67.23.155.123). My guess is that this is building a routing table or something that causes this issue. Anyone else ever experienced this?

[davevt31]

Its possible that the routing table gets filled up, not sure what size it is.  The 655 is considered a home class router 80 connections to it is pretty high.

[MustangSVT]

I would like to hear more opinions, but if we assume you're correct for you a moment (that the routing table gets filled up), I am also willing to buy another router if it'd solve my problem.

My main worry is that I am doing something wrong and if I get another router, I'll just have the same issue. 

[Sammydad1]

I concur about the home use point.  This router in general, is pretty good for most folks, and because of that, other folks take it and put it into environemnts that over-tax its abilities.....

If you see the External IP's each time the router is restarted, that should point you in the right direction....

Reboot the router every few hours...altho not a really practical idea....its a work around.... 

[FurryNutz]

You may want to do some research on a business class router, Dlink has a DSR-500N that might work. I would also do some research and or call Dlink and ask them what they might recommend in a router that fits your need. Go over with them what your platform is and how many clients.