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    Connecting FOG to Virtual Machine

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    • Q
      Quazz Moderator
      last edited by

      Given that it connects to the DHCP server and gets an IP as we can see from the screenshot but fails after loading the IPXE file, I’d suggest serving a different IPXE boot file and see if that works.

      You’ll have to modify your router DHCP settings to serve a different file (eg ipxe.pxe instead of undionly.kpxe)

      agrayA 2 Replies Last reply Reply Quote 1
      • agrayA
        agray @Quazz
        last edited by

        @Quazz My router doesn’t have the option to change the file. Let me try booting into iPXE.pxe and i’ll update you.

        Q 1 Reply Last reply Reply Quote 0
        • Q
          Quazz Moderator @agray
          last edited by

          @agray Well, if I’m following this thread correctly, the IP of the DHCP server initially is the FOG server itself, not the router.

          If you can’t change IPXE options on the router and still want to use its DHCP server rather than FOG DHCP, then you have to set up proxyDHCP via dnsmasq on the FOG server (and disable the dhcp server on it)

          agrayA 1 Reply Last reply Reply Quote 0
          • agrayA
            agray @Quazz
            last edited by

            @Quazz It might be the FOG server serving IPs. I’ve never had an issue booting to PXE and FOG with a physical machine, only this VM.

            1 Reply Last reply Reply Quote 0
            • agrayA
              agray @Quazz
              last edited by

              @Quazz I booted to iPXE.pxe but i’m sure what i’m doing with this CL to boot to FOG. I’ve tried ‘autoboot’ but i got the output “Nothing to boot: No such file or directory”

              Q 1 Reply Last reply Reply Quote 0
              • Q
                Quazz Moderator @agray
                last edited by

                @agray Where did you change these things?

                agrayA 1 Reply Last reply Reply Quote 0
                • agrayA
                  agray @Quazz
                  last edited by

                  @Quazz I mounted the .iso to my VM and booted to it.

                  Q 1 Reply Last reply Reply Quote 0
                  • Q
                    Quazz Moderator @agray
                    last edited by

                    @agray You need to serve the ipxe.pxe file that’s on the FOG server, since it seems to be the DHCP server.

                    That being said

                    I can boot VirtualBox 5.2 VMs to IPXE on undionly.kpxe as well as ipxe.pxe just fine.

                    Do you have the VirtualBox extension pack installed?

                    agrayA 2 Replies Last reply Reply Quote 0
                    • agrayA
                      agray @Quazz
                      last edited by

                      @Quazz said in Connecting FOG to Virtual Machine:

                      Do you have the VirtualBox extension pack installed?

                      Yes, but my VirtualBox is 6.0. Would that make a difference?

                      agrayA 1 Reply Last reply Reply Quote 0
                      • agrayA
                        agray @agray
                        last edited by

                        Is there a way to use FOG off a usb to capture. that may be a work around i can use

                        1 Reply Last reply Reply Quote 0
                        • agrayA
                          agray @Quazz
                          last edited by

                          @Quazz @Sebastian-Roth Would my physical machine being on my domain be causing this issue?

                          1 Reply Last reply Reply Quote 0
                          • S
                            Sebastian Roth Moderator
                            last edited by

                            @agray What exactly do you mean by “Domain”? As in Windows Domain? This has nothing to do with PXE boot. Or as in network domain like VLAN or subnet? That might play a hole.

                            I think the best would be you capture the network traffic on your host machine using wireshark, save as PCAP file, upload to a file share and post a download link here.

                            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

                            agrayA 1 Reply Last reply Reply Quote 0
                            • agrayA
                              agray @Sebastian Roth
                              last edited by agray

                              @Sebastian-Roth Here is the .pcap file of my VM attempting to PXE boot from the host point of view: https://drive.google.com/file/d/1zbHmSCoOC2tzi8xp5EVnj6KrhQwvSOcU/view?usp=sharing

                              After attempting to PXE boot with host off AD Domain. I’m getting a nicer looking wireshark output but still no dice on the PXE boot: https://drive.google.com/file/d/11GiICfArOKqcFUWdF6hQHV51r8oHTebV/view?usp=sharing

                              Q 1 Reply Last reply Reply Quote 0
                              • Q
                                Quazz Moderator @agray
                                last edited by

                                @agray I’m assuming that if it’s on the domain that there already is a DHCP server on the network and that it is conflicting with the FOG one. Haven’t taken a look at the PCAP (don’t have time), though

                                agrayA 1 Reply Last reply Reply Quote 0
                                • agrayA
                                  agray @Quazz
                                  last edited by

                                  @Quazz Our domain is strictly static and FOG is isolated completely off it. A rough topology of our FOG network is on the second page of this thread

                                  Q 1 Reply Last reply Reply Quote 0
                                  • Q
                                    Quazz Moderator @agray
                                    last edited by

                                    @agray Yes, and around that same area it is mentioned that there is a DHCP server on the router?

                                    agrayA 1 Reply Last reply Reply Quote 0
                                    • agrayA
                                      agray @Quazz
                                      last edited by

                                      @Quazz That would be the FOG Server.

                                      Q george1421G 2 Replies Last reply Reply Quote 0
                                      • Q
                                        Quazz Moderator @agray
                                        last edited by Quazz

                                        @agray Just looked at the PCAP.

                                        Your router is also dishing out IPs at 192.168.1.1 which is causing the conflict as suspected.

                                        You can check it out by installing wireshark and typign in bootp as filter

                                        If you can’t turn off or modify the router DHCP, you will need dnsmasq proxyDHCP on the FOG server.

                                        https://wiki.fogproject.org/wiki/index.php?title=ProxyDHCP_with_dnsmasq

                                        agrayA 1 Reply Last reply Reply Quote 1
                                        • agrayA
                                          agray @Quazz
                                          last edited by

                                          @Quazz said in Connecting FOG to Virtual Machine:

                                          our router is also dishing out IPs

                                          I turned off the DHCP server option on the router and it still didn’t fix the problem, I took a pcap if you’d like it.
                                          It seems odd to me that my router would only be messing up the VM though. Never had an issue with physical machines and the router.

                                          george1421G 1 Reply Last reply Reply Quote 0
                                          • george1421G
                                            george1421 Moderator @agray
                                            last edited by george1421

                                            @agray OK I also looked at the second pcap the first one didn’t have anything useful that I could see.

                                            In the second pcap you have 2 dhcp servers responding to the target computer. The first one is 192.168.1.1 and the second is 192.168.1.90. .90 appears to be a fog server since its handing out the right next server and boot file name. The issue is that it appears to be configured as a full dhcp server since its also handing out an IP address which is in conflict with what your 192.168.1.1 dhcp server is doing.

                                            Looking at the pcap more the .90 dhcp is winning the election process because its responding with a ACK packet.

                                            I want you to follow this tutorial when creating your PCAP so we only get the info we need and not extra internal messages: https://forums.fogproject.org/topic/9673/when-dhcp-pxe-booting-process-goes-bad-and-you-have-no-clue

                                            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!

                                            1 Reply Last reply Reply Quote 0
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