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VOIP and FOG - Can't PXE Boot

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  • M
    M Bodelson
    last edited by Oct 16, 2013, 4:16 PM

    [FONT=Calibri][SIZE=3][COLOR=#000000]I am using Ubuntu 11.10 and Fog .32. Recently our school network was modified to accommodate VOIP and the subnet mask changed from 255.255.0.0 to 255.255.224.0 My fog server was working fine before the changes were made for VOIP. Here is the message I now get when I try to pxe boot from a client.[/COLOR][/SIZE][/FONT]
    [SIZE=3][FONT=Times New Roman][COLOR=#000000] [IMG]http://img153.imageshack.us/img153/5154/b0iu.png[/IMG][/COLOR][/FONT][/SIZE]
    [SIZE=3][COLOR=#000000][FONT=Calibri] [/FONT][/COLOR][/SIZE]
    [FONT=Calibri][SIZE=3][COLOR=#000000]I can ping from the client to my fog server and I can use the tftp command at the client to get the pxelinux.0 file. My Fog server is setup with a static IP, Netmask 255.255.0.0, and gateway 10.141.0.1. There is no DHCP and no DNS setup on the Fog server as I am part of a school district which has its own DHCP and DNS servers.[/COLOR][/SIZE][/FONT]

    [FONT=Calibri][SIZE=3][COLOR=#000000]I am seeking suggestions on what I may need to modify in my network settings on my fog server so the clients can find it? Also would you recommend that I try to use iPxe and avoid the interaction with the school district servers? [/COLOR][/SIZE][/FONT]

    [SIZE=3][FONT=Calibri][COLOR=#000000] [/COLOR][/FONT][/SIZE]

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    • T
      Tom Elliott
      last edited by Oct 16, 2013, 4:27 PM

      I would look on the switches and see if you have the ip-helper tools available on them. Then, you just use ip-helper to forward the 66/67 options to your fog server as it can communicate with it.

      Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

      Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

      Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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      • B
        BryceZ
        last edited by Oct 16, 2013, 5:14 PM

        As far as I’m aware… most VOIP phone are actually PXE booted, so it might be that somebody has replaced the global DHCP options 66 and 67 to point at the VOIP system.

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        • J
          Jaymes Driver Developer
          last edited by Oct 16, 2013, 6:24 PM

          I agree, the VOIP system would normally cause some issues. You can try adjusting the settings to get your server to be seen again, or you can set up the proxyDHCP service with dnsmasq, it has been beneficial in my environment when we had trouble communicating to my fog server.

          I was able to ping my tftp server, and pull the pxe file from the command line, but something in my network prevented the entire file from reaching it’s destination. Setting up the dnsmasq helped to resolve the issue.

          WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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          • T
            Tom Elliott
            last edited by Oct 17, 2013, 12:15 AM

            While reading up on this:

            VoIP Phones do PXE boot, but through option 43, try taking a look at that if possible.

            PXE Boot hosts use 66/67 options.

            Maybe take a look at those things? I don’t really know as we don’t have any VoIP stuff.

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

            1 Reply Last reply Reply Quote 0
            • M
              M Bodelson
              last edited by Oct 18, 2013, 3:51 PM

              Thank you for the suggestions! I can’t access my organization’s switches or the the the DHCP server to even see how they are set… I will try to install dnsmasq and setup the proxyDHCP. Will dnsmasq work with Ubuntu 11.10?

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              • J
                Jaymes Driver Developer
                last edited by Oct 21, 2013, 11:45 AM

                Yes dnsmasq works with ubuntu 11.10, and any ubuntu revision.

                WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

                1 Reply Last reply Reply Quote 0
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