Connecting to 2 networks - no internet access

December 5, 2011 at 07:21:42
Specs: Windows 7
Hi there,

I am trying to connect my desktop computer to 2 different networks. 1 network(Router) is connected via ethernet to a router and is for file sharing & the other network is connected via a wireless adapter to a wireless router/modem and is for accessing the internet.
I can get my desktop to connect individually to each network however when connected to both at the same time I cannot access the internet.
The file serving network works fine when both are connected.
I am using Windows 7.

Hope some one out there can help or at least point me in the right direction.
Thanks Ed.


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#1
December 5, 2011 at 07:41:23
Read about routing tables and the "route" command in Windows. Make sure that the default route is that which is connected to the Internet (i.e. the wireless network). Add a static route for the other network.

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#2
December 5, 2011 at 08:07:55
remove the gateway entry from the connection without internet. this assumes the without internet link is a lan and you don't have to go thru a routers wan port for access.

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#3
December 5, 2011 at 17:25:14
How do I go about removing the gateway from a certain connection.
I have tried turning off network discovery as I have seen on other pages that is how to turn off the gateway in windows 7.
How ever if i do so my computer cannot see the other network.

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#4
December 5, 2011 at 17:52:12
Hi
I managed to find another post somewhere else which fixed my problem.
I went into the TCP/IPv4 & TCP/IPv6 settings then advanced TCP/IP settings turned off Automatic Metric and put in an interface metric of 9999.
This has seemed to fix my problem.
Is this a good fix or will I end up with more issues further down the line?
Thanks for all your help guys.
Ed.

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#5
December 6, 2011 at 06:05:42
You change the metric when you have routers on each nic and you want to use the gateway entry on both nics.

If you don't need or have a gateway on the noninternet nic you assign a static ip with no gateway ip listed.

You should be fine working with the higher metric.

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