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    Network Boot Problems/Computer won't communicate with Ubuntu/FOG

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    • C
      chad-bisd Moderator
      last edited by

      What OS and FOG version are you using? Did you reboot your FOG server between it working and not working?


      If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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      • A
        Adam Kohnert
        last edited by

        Ubuntu 10 and 0.32

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        • A
          Adam Kohnert
          last edited by

          I did restart…no luck

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          • C
            chad-bisd Moderator
            last edited by

            What are you seeing in the pxeboot sequence?


            If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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            • A
              Adam Kohnert
              last edited by

              That the computer can’t find FOG. It says that it is booting from PXE and it waits for a bit then goes back to booting to the HDD

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              • D
                djm79
                last edited by

                Did you set the PXE boot options in the DHCP ? I had an issue like this at a remote site were I put in one IP address for boot server and its IP was not set to a static address and it got rebooted and pulled another IP which caused the other computer to stop PXE booting.

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                • A
                  Adam Kohnert
                  last edited by

                  This is what it says:
                  [ATTACH=full]170[/ATTACH]

                  [url=“/_imported_xf_attachments/0/170_2012-09-08 17.17.45.jpg?:”]2012-09-08 17.17.45.jpg[/url]

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                  • A
                    Adam Kohnert
                    last edited by

                    The FOG server does have a static address of 10.0.175.162. Do I make a FOG server a DHCP server? So the FOG server gives each machine an IP?

                    I am new at this

                    Thanks for the help

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                    • D
                      djm79
                      last edited by

                      Do you have another device that is a DHCP server? This could be a computer, router/firewall just depends on how your network is set up.

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                      • A
                        Adam Kohnert
                        last edited by

                        Our main Novell server setup as DHCP…This is in a school with about 5 48port switches. Could this be the problem. And the firewall is unblocked on the FOG server… 😕

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                        • D
                          djm79
                          last edited by

                          Did you set the options for all the DHCP scopes? Because if they are not all the same some computers won’t know anything about the PXE server. Also with 5 switches are you forwarding DHCP request? Is your network flat or do you have Vlans that separate the network? Sorry just trying to get a handle on how your network is configured.

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                          • A
                            Adam Kohnert
                            last edited by

                            Oh gosh…

                            I have no idea.

                            The switches have a static address and as far as I know the switch gives the computers a DHCP address.

                            How do I check if my FOG server is giving the address’s?

                            I would assume the switches give the computers an IP address, so why can’t the computer find the FOG server when I boot from the NIC?

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                            • D
                              djm79
                              last edited by

                              Well First you need to figure out what is giving out DHCP addresses on your network. Unless you configured FOG to handle DHCP it more than likely is not doing it. Go to the command line on one of the computers and do an ipconfig /all and look for the DHCP server line and it should tell you the IP address of your DHCP server. Once you have that its part of the DHCP config that hands our the boot server IP and the pxelinux.0 file on boot.

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                              • A
                                Adam Kohnert
                                last edited by

                                Here we go

                                [url=“/_imported_xf_attachments/0/172_ip.JPG?:”]ip.JPG[/url]

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                                • D
                                  djm79
                                  last edited by

                                  What device is 10.0.0.2? I would think it was your router as its your default gateway too. You need to configure the DHCP scope with the boot server IP and the pxelinux.0 file to get them to PXE boot.

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                                  • C
                                    chad-bisd Moderator
                                    last edited by

                                    I agree with djm79. Find out what that device is and if it supports dhcp options for next server and boot file name. If the device doesn’t support the options or you just can’t change its configuration, there is always proxydhcp.


                                    If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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                                    • A
                                      Adam Kohnert
                                      last edited by

                                      I think it is our CipaFilter(so the students don’t go on naughty sites). And it does support DHCP every computer in the school has a DHCP address with the exception of the teacher computers, they are unblocked

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                                      • C
                                        chad-bisd Moderator
                                        last edited by

                                        Who manages that device? Get the to add the dhcp options for next-server and boot filename.


                                        If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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                                        • A
                                          Adam Kohnert
                                          last edited by

                                          Our Network Administrator.

                                          What do we have to change in the CIPA Filter to get it to work?

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                                          • C
                                            chad-bisd Moderator
                                            last edited by

                                            [QUOTE] Get them to add the dhcp options for next-server and boot filename.[/QUOTE]


                                            If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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