How to choose the NIC a software uses to connect to the internet?

Hello experts,

Is there a software or a way to choose or define which NIC a program uses to connect to the internet?

I have both, wireless and ethernet available and I need to use the wireless connection for one software to connect and the ethernet for all the other connections. Can this be done?
helppariAsked:
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marioercegCommented:
if you know which port that application uses you can add routing for that port on NIC you want
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helppariAuthor Commented:
I know the port. How do I add the routing?
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marioercegCommented:
Sorry, you have to know the destination IP address for that application

First you have to enable routing in Windows XP because it is disabled by default.

1. Go to Start -> Run, type regedit, and click on OK
2. Navigate to HKEY_LOCAL_MACHINE \SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
3. Double click on IPEnableRouter and enter value 1

To add route in Windows open cmd (Start -> Run, type cmd, OK)
and something like this if you have the exact IP address

route add NETWORK mask NETMASK GATEWAY metric 10 if 2
(route add 192.168.0.0 mask 255.255.255.0 10.172.10.1 metric 10 if 2) - interface 2

You don't have to put interface because Windows will choose the right one, but if don't add it



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marioercegCommented:
and to add permanent route add -p switch after "route add"
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marioercegCommented:
and for port routing you should set marks and it is more complicated, but i only did this in Linux
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