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  • Bridged-Network Problems

    Hey,

    Just installed Windows Virtual PC for Windows 7 to play around with Exchange as part of a course... and have run into a problem.

    My network is fine and dandy, all the VMs are communicating with each other as expected... except they cannot communicate with the host PC.

    I have setup all the VM Network Adapters to use the Ethernet Adapter of the host PC using Bridge Mode and have setup the VMs to use IP's ranging from 192.168.1.1 - 192.168.1.25 with Gateway being 192.168.0.1 (Router).

    The host PC is 192.168.0.2, but i am unable to ping anything from 192.168.1.x to 192.168.0.x and vice-versa.

    I'm pretty much a newbie (hence the courses ) and don't know where i've gone wrong.

    Any help would be great!

  • #2
    Re: Bridged-Network Problems

    And what is the subnets mask you are using? /24 (or 255.255.255.0?)
    Marcel
    Technical Consultant
    Netherlands
    http://www.phetios.com
    http://blog.nessus.nl

    MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
    "No matter how secure, there is always the human factor."

    "Enjoy life today, tomorrow may never come."
    "If you're going through hell, keep going. ~Winston Churchill"

    Comment


    • #3
      Re: Bridged-Network Problems

      Hi Dumber,

      The subnet mask for the VMs is set to 255.255.255.0, same as the host PC.

      Comment


      • #4
        Re: Bridged-Network Problems

        So you are different subnets.
        First of all, you can't use a gateway located in a different subnet.
        Second, if your router can have multiple IP addresses, you need to configure a static route on this device.

        Anyhow, keep them in the same subnet, or create a routing mechanism within it.
        Marcel
        Technical Consultant
        Netherlands
        http://www.phetios.com
        http://blog.nessus.nl

        MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
        "No matter how secure, there is always the human factor."

        "Enjoy life today, tomorrow may never come."
        "If you're going through hell, keep going. ~Winston Churchill"

        Comment


        • #5
          Re: Bridged-Network Problems

          Originally posted by Dumber View Post
          So you are different subnets.
          First of all, you can't use a gateway located in a different subnet.
          Second, if your router can have multiple IP addresses, you need to configure a static route on this device.

          Anyhow, keep them in the same subnet, or create a routing mechanism within it.
          They are in different subnets?

          But i have them both set as 255.255.255.0

          Sorry, i don't understand.

          Comment


          • #6
            Re: Bridged-Network Problems

            Originally posted by rsnooks View Post
            I have setup all the VM Network Adapters to use the Ethernet Adapter of the host PC using Bridge Mode and have setup the VMs to use IP's ranging from 192.168.1.1 - 192.168.1.25 with Gateway being 192.168.0.1 (Router).

            The host PC is 192.168.0.2, but i am unable to ping anything from 192.168.1.x to 192.168.0.x and vice-versa.
            Hmmm that's a subnetting question.
            ok, in short, since I don't have the time to fully explain it:

            you are using 2 subnets:
            192.168.0.0 /24 (or instead of /24: 255.255.255.0)
            192.168.1.0 /24

            This will give you the following usable IP addresses which can communicate with each other without routing:
            192.168.0.1 - 192.168.0.254
            192.168.1.1 - 192.168.1.254

            So to resolve the issue you have, I would suggest to switch the IP addresses of your virtual machines to the same subnet as where your clients (your PC for example) belongs to.

            About IP and subnetting please review this thread:
            http://forums.petri.com/showthread.php?t=44120 or go to http://www.learntosubnet.com/
            Marcel
            Technical Consultant
            Netherlands
            http://www.phetios.com
            http://blog.nessus.nl

            MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
            "No matter how secure, there is always the human factor."

            "Enjoy life today, tomorrow may never come."
            "If you're going through hell, keep going. ~Winston Churchill"

            Comment

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