Saturday, May 14, 2011

Multiple internet connections / NIC into single PC

Most of us have more than one internet connections these days.  So how can we use wireless network and local network together?

You can try a freeware called ForceBindIP. ForceBindIP allows you to force almost any Windows application into using a specific interface / IP address. This is done through the use of an injected DLL that intercepts Winsock function calls and (re)binds any sockets that the target application tries to use.

Connect your PC to both the connections. I connect one via Ethernet port and the other via wifi. Since I want all applications (except one) to use the Ethernet, I connect that one first, and start the applications which I want to use that with. Second, I connect to the wifi one.
1. Open the command prompt (Go to Start->Run, and type cmd).
2. Type ipconfig and press enter.
3. Find out your wireless IP, for example my ip is 192.168.1.3
4. Find out the path to the application you want to open linked to this new Internet connection. For example, “C:\Program Files\Mozilla Firefox\firefox.exe”
5. Back to the command window, type :
ForceBindIP -i 192.168.2.2 "C:\Program Files\Mozilla Firefox\firefox.exe"

It should be fine.
You may go to the following links for more information.
www.r1ch.net/stuff/forcebindip

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