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Wireless and Wired Connection Priority

Posted on 2006-11-24
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Last Modified: 2009-09-02
So I have a laptop running WinXP Home.

As most laptops nowadays do, it has both a regular LAN connection and a wireless connection.

We have the wireless connection configured to DHCP off a router on the 10.10.60.0/24 subnet which has Internet connectivity, and the wired connection configured to DHCP off another router on the 192.168.0.0/24 subnet which does not have Internet connectivity.

When both interfaces are enabled, trying to ping to the outside world fails. Cannot load up any webpages either.

With the wired connection disabled, it will load up webpages fine.

So, from this, I will assume that when both interfaces are enabled, it is trying to use the wired connection instead of the wireless.

Is there some way to tell it to use the wireless connection instead?

When the machine has connections to two subnets, how does it know which one to use anyway?
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Question by:ISoul
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lrmoore earned 250 total points
ID: 18009994
>from this, I will assume that when both interfaces are enabled, it is trying to use the wired connection instead of the wireless.
That is correct.

You can easily manipulate the routing table, and tell Windows not to use automatic metric for network connection.
TCP/IP properties, Advanced [x] Automatic Metric  is checked by default...

Take a look at C:\>route print to see which has priority. This is how Windows knows which gateway to use.
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by:ISoul
ID: 18010004
Cool. Never knew about that metrics setting. I see a lower metric number means higher priority.

Got it working as I want now. Thanks!
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Expert Comment

by:knightrider2k2
ID: 18010005
What you have to do is, take the default gateway OFF the wired connection.

There should be only one default gateway configured that is on the wireless connection.
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