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Windows 7: 3G sharing with ethernet and some type of virtual router

16 Jul 2012   #1

Windows 7 Home Premium 64 Bit
3G sharing with ethernet and some type of virtual router

Let me first start off by saying, My overall goal is to share my 3g connection with a LAN Card. Sounds simple right? not in my setup...
Let me explain, I have a 3g modem that is plugged into a rack mount server. That server has 2 Ethernet cards in it (1 built in, the other pci). I also have a Cisco Dual Wan Router. The first ethernet card in it going to one of the WAN ports of the router, and the 2nd is connected to a LAN port of the router. That is the hardware setup. Now, I need help with the software portion of my setup...
I want to forward everything from my 3g connection to the first ethernet card (the one plugged into the WAN Port) while being totally separate/isolated from everything else, including the 2nd Ethernet card on the LAN side. Why? So that I can use 3g with my dual wan router as a backup, and still be able to use the server normally with the other computers running on my network. In other words I need to be able to access Network Shares, NAS, UPNP shares, etc. all on the rack mount server. I have tried Internet connection sharing and that causes some looping issues. I also found out that the Microsoft Virtual Wifi Miniport Driver should work, but all I could find is how to use it to share WiFi and not Ethernet. I have also tried Nat32, and I couldn't quite figure it out. So, is there some sort of software router that I can use to share 3g and ethernet that is isolated from my other ethernet card? I also don't mind paying for a program as long as it works and isn't extremely expensive. I also wanted to ask is there some sort of way I can use microsoft virtual wifi miniport adapter to use ethernet instead of wifi, because that looks like it might work. Anyway, I really need help with this and to all who help me Big Thanks in advance.

My System SpecsSystem Spec

13 Aug 2012   #2

Windows 7 Home Premium 64 Bit
OK, new solution

Allright, so after a while of trying to figure out my original plan, I am giving up on it and getting a 3g Router. I just ordered the Teltonika RUT-105 from here and I will post results back on how it works after I receive it.
My System SpecsSystem Spec
13 Aug 2012   #3

Microsoft Community Contributor Award Recipient

Windows 7 x64

If you want to use a actual smartphone for this you need to look into reverse tethering.
It will allow a computer to use your 3g via a usb port.
My System SpecsSystem Spec


 3G sharing with ethernet and some type of virtual router

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