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Windows 7: two internet connections at once

28 Feb 2011   #11
Microsoft MVP

Windows 7 Ultimate 32bit SP1

I think this works for two computers on a network, so that one computer doesn't hog all the bandwidth.

My System SpecsSystem Spec
28 Feb 2011   #12

Windows 7 Home Basic 32bit

Quote   Quote: Originally Posted by diospada11 View Post
Quote   Quote: Originally Posted by turboscrew View Post
Where do you want to connect?
What's at the other end of the USB?
Where do you want to connect via WI-FI?

If you have a separate IP address for both of them, it should work, but
you need to set a route for at least one of the cards.
(command prompt "route add")

Then stuff to one "destination" (either network or a machine) is routed via one NIC and
the rest of the traffic via the other. If the connected address can be which ever - even
both NICs could address the same machine, it doesn't work without some specific SW.

The poor Windows wouldn't know which NIC to use for which transmission.
what do you mean by "What's at the other end of the USB?"

i want to use WI-FI for downloading. while the USB internet for web browsing. the USB internet is like a USB flash drive. only much bigger. it does not connect to anything. it's a plug-and-go internet connection. it has a sim card inside and uses HSDPA connection.

yes. it has a separate IP address. the wifi has while the other one has 10.154.etc.etc.etc.

how do i exactly do this?

"you need to set a route for at least one of the cards.
(command prompt "route add")

Then stuff to one "destination" (either network or a machine) is routed via one NIC and
the rest of the traffic via the other. "
Ok, at the other end of USB there is an internet stick (HSDPA is (roughly) a downlink speed-up technique of 3G data calls).

Not like cable to WI-FI capable ADSL modem with WLAN to the same ADSL modem.

Do you have different gateways for the 3G-modem and WI-FI? Does your WI-FI
station have DHCP-server inside? If it has, then uou have different networks for
3G and WI-FI.

If you you have the WI-FI as NIC1 and 3G modem as NIC2, you get a different
IP for each NIC. You need to find the network addresses and gateway addresses for both networks. Now you need to know the network address for something you'll wish to access via NIC2.
The "something" to be addressed via NIC2 needs to be either a machine or sub-network.
Like "all machines whose IP address is 10.168.5.x" where x is the machine in the subnetwork.
Typically (not allways) the network's address is such that the last part of the IP-address is 0

You give command "route add network-2-ip MASK network-2-mask network-2-gateway IF 2
If your ISPs default gateway is, say,
"route add MASK IF 2"

This says that for any accessed machine whose IP address starts with 10.168.5 the packets
are sent to via NIC2 to be routed forward.

=> you can't access the same server somewhere via both NICs at the same time, but
you can access 2 different servers at the same time.

Still don't know where the WI-FI is connected, and what's behind that (who gives the
IP addresses, and if you can affect it).

Sorry if this looks unclear, but without knowing more, I can't give any understandable
My System SpecsSystem Spec
28 Feb 2011   #13

Win7 Ent x64 / Win7 Ult x86

I wonder if bridging the connections would work?
My System SpecsSystem Spec

05 Mar 2011   #14

Windows 7 Home Premium 64 bit and Vista Home Premium 32 bit
Increasing Bandwidth using regedit for Vista and Windows 7

I am running a HP Desktop with Vista Home Premium 32 bit OS and a Compaq Laptop with Windows 7 Home Premium 64 bit OS. I run both off of the same broadband connection modem by adding a wireless router so I could use my laptop anywhere in the house. I then tweaked the bandwidth requirements in the registry editor following the example from the following link, exactly. I still used the 32 setting for the Windows 7 64 bit OS and both of my computers are performing at speeds that are very much to my satisfaction. It took awhile to find this fix but it's certainly been worth my search. Hope it helps others as much as it has me.

HP Microsoft® Windows Vista advanced customization: increase bandwidth for network and internet connections
My System SpecsSystem Spec

 two internet connections at once

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