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Since the other question about this (Multiple network interfaces on a single NIC in Windows) only asks about different routing, I'm going to ask this again:

Is there any way to create multiple virtual connections, each with its own MAC address, from a single network adapter on a Windows machine?

I know Linux supports this. I basically need to simulate to the network, that one computer is actually two computers, each with different MAC and therefore IP address.

Previously I have done this with another USB ethernet adapter, but this is no longer the option.

Note that this is NOT a wireless network, so Virtual Wifi adapters built-in Windows won't help for this.

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    As far as i know you can't do this with windows onboard tools. You can try using the Software Router/Switch/Bridge from Vmware or Virtualbox, don't know if this will work as expected but there you can give a virtual PC an own Macadress but bridge it to the Networkcard of the Host so maybe there is a way to use this Mechanism. Maybe also the aproach mentioned here forum.openwrt.org/viewtopic.php?id=31007 will help you.
    – konqui
    Mar 16, 2014 at 10:19
  • There is a way to do it when configuring VMs in Hyper-V. Basically, the adapter becomes a virtual switch. Each VM gets its own virtual NIC with its own MAC address. To the outside world, the one physical adapter looks/behaves like an array of adapters, each with its own MAC and IP address. When using Hyper-V this is all done using the Hyper-V Manager (or equivalent). I don't know if/how it can be done through ipconfig to achieve the result you are seeking.
    – Zenilogix
    Sep 1, 2014 at 2:31

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On Windows XP, 2K, or Server Editions, add a Microsoft Loopback Adapter. This gives you a separate (virtual) adapter, with it's own MAC and IP stack.

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  • What if we need more than just one ?
    – M at
    Apr 26, 2017 at 10:51

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