Two NIC’s 2 Internet Connections, 1 Windows Server 2008 RC2, Routing help required

nicwindows-server-2008

I have a Windows 2008 server and 4 other client machines on my home network. I have two internet connections. The main connection is setup with a home router and DHCP on that for all the clients on the network. The secondary connection is just a cable modem which is plugged directly into the server.

Local Area Connection: This NIC has an external IP and is connected to the Cable Modem.

Local Area Connection 2: This NIC has an internal IP (192.168.0.102) and allows access to all the internal computers. It also has internet access via the local router.

So here lies the problem, I want to use the Cable connection on the server for the internet traffic (so that the traffic for server/clients are seperated) but I also need to maintain local access. I am wondering how to make it so that all the internet traffic goes via that NIC because at the moment it goes through the local NIC.

As a secondary problem I would also like to forward the connection of one application used by the clients via the server and the cable/server internet because of poor routing for it on the main connection. This perhaps is something for another question though.

Thanks for any help you can offer me.

Regards

PJ

Best Answer

If you want the server to use only one specific NIC for routing Internet-bound traffic, then you'll need to set the default gateway on that NIC and not set it on the other one (i.e. leave the field empty in the TCP/IP settings).

But you can't use both at the same time to balance Internet traffic, and you also can't do that on a per-application basis.

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