how to connect two 2 comps with 2 NICs each

By kruczer ·
Hello there

My situation is as follows.
Computer A has 2 NICs configured for 2 different subnets, let's say NIC 1A has / GW (router) and NIC 2A has
Computer B has similar configuration with NIC 1B / GW (router) and NIC 2B
Now, Computer A gets IP from router as well as some other comps. I was able to create a route through this router to reach IP from the other computer on the 192.168.0.x network, however the connection with is dead. My guess is I need to route something on Computer A. The question is what and where as I tried to add different combinations to route tables on Computer A but to no avail.
Both computers A and B run on windows server 2003 sbs, by the way. And I'm able to make a successful ping between Computer A and Computer B.

To ilustrate my desired connection
CompX (192.168.0.x) -> ( router ( -> ( CompA ( -> ( CompB

Thanks for any hints and help. It will be much appreciated.

Kind regards,

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All Answers

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You can use a Cross over cable....

Computer to computer you will need a cross over cable to do this, if that is your intention.
More here:

Or you might like to connect to 2 seperate networks using two different NICs. Windows can handle this reasonably well depending on the setup. If one card is connected to a router (that probably uses a private IP address) and internal network uses a private IP address (ones that start with 10.x.x.x or 192.168.x.x and they have different IP address ranges then Windows can route between the two with no problem. It can also find the internet in most cases without help. As an example, the network with the internet has a gateway address of with a subnetmask of and the internal network has a gateway address of with a subnetmask of Then in most cases you can just connect to two and it will work, You can connect to any resources in the netowrk and internet traffic will go out the network. However if the internet side has a gateway address of with a subnet mask of and the internal network has a gateway address of with a subnet mask of then windows will have problems sending packets to the correct network.

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by oldbaritone In reply to how to connect two 2 comp ...

First, you must be sure that Comp A allows connection routing between the NICs. Check firewall settings, and if it's Windows, enable "Internet connection sharing"

Then in the router's routing table, add a route to via
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If your router will support this configuration, this is an easy way to accomplish what (I believe) you want to do.

Good Luck.

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