Tuesday, January 20, 2015

HyperV Network Types

Microsoft HyperV servers have three Network Types you can assign to Virtual Machines and Virtual Switches.
  • Private
  • Internal
  • External
This is shown below on both a virtual machine and a virtual switch configuration.

What is the difference between these?
An External Network Type provides communication between a virtual machine and a physical network by creating an association with a physical network adapter on the virtualization server.  This is the most common type used by organisations.
An Internal Network provides communication between the virtualization server and the virtual machines.
A Private Network only provides communication between the virtual machines and not the HyperV host server.
Internal and Private network types can be confusing - the only difference is Internal also allows the virtual machines to communicate with the HyperV host server.

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