Dual homing with wired and wireless

Anything non-wireless related

Dual homing with wired and wireless

Postby beakmyn » Tue Jan 15, 2008 6:53 am

Does anyone have any documentation on how to properly set up a dual homed network in Windows XP?


Example:
NIC1 - DHCP
NIC2 - Static IP

Let DHCP server manage NIC1
Open up Control Panel > Network Connections
Click on Advanced > Advanced Settings
Set NIC1 to the top of the Bind Connections List

Now here's the trick
Set NIC2 with a static IP and DO NOT SET A Default Gateway, leave it blank

Now it will dual-home.

If you set a gateway windows will happily try to use NIC2 to communicate through even if it's a seperate subnet and you'll lose connectivity. What a pain the arse. The best part is a client has seen it work with gateways and then suddenly for no reason, sometimes months later it will stop working. Remove the gateway on NIC2 and it works, flawlessly.
beakmyn
 
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