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routing between two hyper-v VMs

建议的答复 routing between two hyper-v VMs

  • 2012年5月16日 8:17
     
     
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    Hi all, i understand i can route between two virtual networks in hyper-v by using a RRAS server. The RRAS server simply has a NIC in each virtual network.

    BUT what kind of network does the virtual network need to be? Internal or Private?

    ALSO can the Internal / Private networks route onto the internet via the RRAS server (as well as route between each other)

    Thanks

     

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  • 2012年5月16日 8:43
     
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    You can use either one of them.

    If you want RRAS to facilitate Internet access to your Internal network then you should have 2 NICs one is bound to the External network and the other is bound to the Internal (or Private) network and RRAS will do the routing or NATing between them.

    If you need more security and better protection and network management then I suggest your replace your RRAS with a TMG server.

    For more information about Hyper-V network types please refer to this web link http://technet.microsoft.com/en-us/library/cc816585(v=ws.10).aspx

    Mahair Ashaboon MCSE & Network+ www.extra-it.com

     
  • 2012年5月16日 9:03
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    Hi,

    You can use either of them.

    By the way, you can check the following blogs.

    Configuring Hyper-V for multiple subnets with only one NIC

    http://blogs.technet.com/b/letsdothis/archive/2012/01/08/configuring-hyper-v-for-multiple-subnets-with-only-one-nic.aspx

    Hyper-V Test Network with Wireless? (So many questions. So little time. Part 29)

    http://blogs.technet.com/b/kevinremde/archive/2012/05/10/hyper-v-test-network-with-wireless-so-many-questions-so-little-time-part-29.aspx

     
  • 2012年5月16日 9:04
     
     
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    thank you very much. I do have two NICs but I want two virtual networks, does this mean i will need a NIC for each virtual network and a NIC for the external network? Meaning i need three NICs or have i miss understood?
     
  • 2012年5月17日 14:15
     
     
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    Hyper-V is dependent upon Virtual Switches, upon which are created Virtual NICs for network communication.  You need to create separate virtual switches for each network you want to use.  A physical NIC can only have a single virtual switch defined it.  Physical NICs are used for External virtual switches and provide access to the physical world.  Internal networks do not require a physical NIC in the host and they allow network communication between all VMs running on the host as well as with the host itself.  Private NICs only allow communication among VMs running on a host - the host cannot communicate on a private virtual switch.

    Therefore, it depends on what sort of routing you are trying to accomplish as to how many physical NICs you need.  If you have a number of VMs and you only want one of them to have access to the physical network, you can have one VM connected to a private or internal network that is also connected to an external network providing RRAS.  That would only require a single physical NIC.

    tim

    timcerl