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Virtual IPs in Windows

B

BollWeevil

Limp Gawd
Joined
Feb 9, 2005
Messages
373
Howdy all, it's been a while since I've posted. I'm curious about binding multiple IP addresses to a single network adapter in Windows XP where one IP is given by DHCP and another IP is statically set. The network I am using gives out addresses by DHCP assignment, but often I need to configure hardware appliances (such as VOIP phones, network attached storage, etc). It would be much easier to plug these into a switch and configure using my desktop with an additional IP on a 192.168.x.x range than having to unplug my network cable from my workstation, assign a staic address to communicate with the device, then reconfigure my IP settings and plug back into the office network.

I realize I could setup a separate machine to interface with these devices, but some times I need to debug code on my workstation that interfaces with these devices, and it would be much easier to not have to deal with the hassle. Also, I don't want to have to add another network card to my workstation.

In linux, this can be accomplished by using virtual interfaces, for example, eth0:0 might be setup for DHCP and eth0:1 might be setup with a static assignment. However, in Windows I have been unable to find a method for simultaneously assigning IPs to a single adapter when one IP is from DHCP and the other is static.

I've looked into the "Alternate Configuration" settings, but after reading Microsoft's documentation more carefully, the Alternate Configuration is only enabled when the primary interface fails to obtain a DHCP lease, and the static Alternate Configuration can never co-exist with a DHCP-assigned address.

So can anyone offer suggestions as to how to go about assigning both a DHCP and static IP to a single adapter in Windows?

Thanks
 
Im not sure how to do it inside windows, but I use VMware to get multiple virtual IP's through 1 physical NIC.

If you want you can install another windows XP VM and use that to troubleshoot the VOIP stuff.
 
You can only have multiple IPs if you are using static IPs. You can only have one IP per NIC using DHCP. You could add a second NIC and run it static if you must.
 
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