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Virtual Networks for 2 VM's on the same physical machine

Posted on 2012-09-20
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Last Modified: 2012-09-27
I would like to get some pointers on how to setup Virtual Networks for most effective communication between two Virtual Machines on the same physical hardware.

My scenario is as follows:

- I have Server 2008 R2 with Hyper-V installed
- I have two guest machines installed on that server
- one of the machines is a Terminal Server that provides full desktop to multiple users
- second machine is a server that hosts QuickBooks data for users accessing it from Terminal Server desktops (first machine)

My goal is to setup the communication between those machines that it does not go through the LAN.

I am just starting with the Hyper-V and would like some advice on how to set this up so it is most efficient.
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Question by:pyotrek
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Svet Paperov earned 2000 total points
ID: 38420046
Create a virtual adapter from a physical NIC. Assign the same virtual adapter to both virtual machines. The virtual adapter is actually a virtual 10Gbit switch. That means, if both virtual machines are in the same IP network segment the traffic between them will not go out of the virtual server.

Here is some additional info:
http://www.petri.co.il/configuring-virtual-networks-with-hyper-v.htm

http://ramazancan.wordpress.com/2010/02/26/hyper-v-r2-networking–-how-to-configure-management-vm-networks/
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by:pyotrek
ID: 38430726
If I understand correctly the Private network assigned to both machines will allow them to communicate through Virtual 10GB switch, but how those machines communicate to the rest of the network?
Users need to connect to the at least one of the Virtual Machines (the one that is Terminal server)
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by:Svet Paperov
Svet Paperov earned 2000 total points
ID: 38431209
No, you don't create a Private but an External one. The virtual machines connected to it will communicate between them as it was via 10Gb switch.
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by:pyotrek
ID: 38440839
This is how I had it set up originally - your comments confirmed this for me - thank you
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