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Fog DHCP issue on isolated network

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  • M
    mesaman82
    last edited by Jul 12, 2012, 4:08 PM

    I am using Fog as DHCP on a private network with a Cisco switch (default settings) to image laptops. I just imaged my first set of laptops which was 20. Upon setting up the next set about half of them were exiting the PXE boot because “No Proxy DHCP or DHCP offers were received.” I always check to make sure dhcp3-server is running…it is fine. I am wondering if there is an IP address limitation…leasing, quantity…I don’t know. I did change the default and max lease times under the suspicion that the IPs weren’t being released…still no luck. Can someone help me out? I have my DCHP config file and will post it…please help me. I am on the chopping block here.

    [ATTACH=full]139[/ATTACH]

    [url=“/_imported_xf_attachments/0/138_dhcpconf.png?:”]dhcpconf.png[/url][url=“/_imported_xf_attachments/0/139_dhcpconfig.jpg?:”]dhcpconfig.jpg[/url]

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    • C
      chad-bisd Moderator
      last edited by Jul 12, 2012, 4:28 PM

      What is the static IP address of the Fog server interface you are using?

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      • M
        mesaman82
        last edited by Jul 12, 2012, 4:29 PM

        [quote=“chad-bisd, post: 4725, member: 18”]What is the static IP address of the Fog server interface you are using?[/quote]192.168.1.1…gateway and DNS are the same as well.

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        • C
          chad-bisd Moderator
          last edited by Jul 12, 2012, 4:30 PM

          This post is deleted!
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          • C
            chad-bisd Moderator
            last edited by Jul 12, 2012, 4:32 PM

            What version of Ubuntu are you using and did you reboot the Fog server between imaging attempts?

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            • C
              chad-bisd Moderator
              last edited by Jul 12, 2012, 4:34 PM

              Did you enable portfast on the switch or give the units 30 seconds of wire connectivity before trying to boot them? Might be a STP issue with the ports not being active by the time the clients try to PXE boot.

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              • M
                mesaman82
                last edited by Jul 12, 2012, 4:39 PM

                The switch I am not sure about…I had my Network Administrator reset it to defaults so that it would multicast. I am using Ubuntu 10.04 with Fog 0.32. I didn’t reboot the server after the first imaged set. I setup another round and started booting them which is where I ran into the “No DHCP offers received” snag. Once I ran into this I did restart the server as well as start dchp3 manually (which I have to do every time on a reboot). Still have the issue.

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                • M
                  mesaman82
                  last edited by Jul 12, 2012, 4:46 PM

                  I will get into the switch and enable portfast. Maybe that will fix the problem. Keep fingers crossed.

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                  • C
                    chad-bisd Moderator
                    last edited by Jul 12, 2012, 4:46 PM

                    Ask your administrator about turning on portfast for all the ports so there no delay between them being connected and being active. See if that helps.

                    I’m not sure why your dhcp daemon is not autostarting. Did you try adding it to the default runlevel or making sure the startup script is getting call? dmesg or /var/log/syslog might have some clues.

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