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FOG setup on new network with 4 Vlans

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  • F
    falko Moderator
    last edited by Mar 1, 2012, 12:59 PM

    moving to a new network and i am trying to get ideas/find the best solution around this.

    the new network will be HP and will be using distributed trunking, which i have been told does not support multicast routing. Therefore I will not be able to multicast across vlans. It would seem I need a nic for each vlan on my FOG Box is this possible?

    or is it possible to have the Nic Vlan tagged so all vlans point to the fog box?

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    • F
      falko Moderator
      last edited by Mar 6, 2012, 1:57 PM

      bump

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      • K
        kirksec
        last edited by Mar 7, 2012, 11:33 AM

        is there not a way to make certains vlans accessible to each other ?
        i know i am working in an enviroment with more than 3 vlans and there is certain vlans that can see each other and certain ones cannot, so i know its possible so just get the Network guy to open the vlans to see each other

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        • J
          jdd49
          last edited by Mar 8, 2012, 6:02 PM

          Fog cannot function like this as is but anything is possible. Here are a few suggestions:
          1.) 4 different fog machines each one on a different vlan. Machines are cheap almost anything laying around would work fine. I do 1000’s of machines with 1 basic desktop with only a pentium D.
          2.) 1 Really good server with 3 other virtual fog boxes
          3.) If it is only multicasting that can not cross the vlans. Then as you said put 4 nics in and before you start a multicast just switch the multicast interface to your other card. You could even add an extra box when starting a multicast that asks what interface you want to send out on.

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          • F
            falko Moderator
            last edited by Mar 8, 2012, 7:23 PM

            [quote=“jdd49, post: 2021, member: 623”]Fog cannot function like this as is but anything is possible. Here are a few suggestions:
            1.) 4 different fog machines each one on a different vlan. Machines are cheap almost anything laying around would work fine. I do 1000’s of machines with 1 basic desktop with only a pentium D.
            2.) 1 Really good server with 3 other virtual fog boxes
            3.) If it is only multicasting that can not cross the vlans. Then as you said put 4 nics in and before you start a multicast just switch the multicast interface to your other card. You could even add an extra box when starting a multicast that asks what interface you want to send out on.[/quote]

            thanks for the response, I shall have a rethink of the best way to approach this

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            • K
              kirksec
              last edited by Mar 9, 2012, 7:32 AM

              this is possible i can assure you, it just needs to be setup i have my fog server sitting on our “server vlan” and my user’s is on staff and student vlans, i have no issues imaging them…

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              • F
                falko Moderator
                last edited by Mar 9, 2012, 7:56 AM

                [quote=“kirksec, post: 2039, member: 289”]this is possible i can assure you, it just needs to be setup i have my fog server sitting on our “server vlan” and my user’s is on staff and student vlans, i have no issues imaging them…[/quote]

                yes currently I have the same setup as you on a Cisco network, but I was asking if it is possible to get FOG working a new HP Network that would be using DTP (Distributed Trunking Protocol). I have been told by HP that when using DTP it does not allow Multicast routing which therefore means i cannot route my multicast session across vlans but unicasts will work fine.

                I was wondering if it was possible/and if FOG would work if I had 802.1q vlan tagging on the Ubuntu Server and have Multiple VLAN membership on one Ethernet port similar to this:
                [URL=‘http://community.spiceworks.com/topic/196724-multiple-vlan-membership’]http://community.spiceworks.com/topic/196724-multiple-vlan-membership [/URL]

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                • K
                  kirksec
                  last edited by Mar 9, 2012, 8:08 AM

                  oh right! sorry misunderstood you there

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                  • C
                    Catsrules
                    last edited by Mar 9, 2012, 5:25 PM

                    Just when I thought I was an expert at networking, You guys throw vlans at me 😞

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