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    Troubleshooting Help Requested

    Scheduled Pinned Locked Moved Unsolved IT Discussion
    centosvirtual machineesxitroubleshooting
    44 Posts 13 Posters 3.8k Views
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    • DustinB3403D
      DustinB3403
      last edited by

      Working
      putty_2019-02-22_15-15-43.png

      Not Working
      putty_2019-02-22_15-15-35.png

      M 1 Reply Last reply Reply Quote 0
      • M
        manxam @DustinB3403
        last edited by

        @DustinB3403 : Yes, but that doesn't mean the firewall doesn't have a rule (or is a Sonicwall -- see my old post) to block outbound on WAN from that IP.

        1 Reply Last reply Reply Quote 0
        • 1
          1337
          last edited by 1337

          Double check mac address so you don't have two VMs with the same. That and conflicting ip addresses can cause some strange effects.

          1 Reply Last reply Reply Quote 1
          • jt1001001J
            jt1001001
            last edited by

            Clear arp caches and Mac address tables on your gateway or firewall sounds like a Mac address conflict at the gateway

            1 Reply Last reply Reply Quote 0
            • notverypunnyN
              notverypunny
              last edited by

              Just for dirt, try changing the ip assigned to the problem machine and re-initializing the MAC address on the virtual NIC... feels like the edge device is blocking internet access or it's being blackholed on the way out... has anyone been testing content filters or other security solutions on the network?

              scottalanmillerS 1 Reply Last reply Reply Quote 0
              • scottalanmillerS
                scottalanmiller @notverypunny
                last edited by

                @notverypunny just for dirt?

                Dont know that expression.

                notverypunnyN 1 Reply Last reply Reply Quote 0
                • SmithErickS
                  SmithErick
                  last edited by

                  NIC card type make a difference here? e1000 vs vmxnet3

                  1 Reply Last reply Reply Quote 0
                  • wrx7mW
                    wrx7m
                    last edited by

                    Different VM networks defined on the VM for the host?

                    DustinB3403D 1 Reply Last reply Reply Quote 0
                    • notverypunnyN
                      notverypunny @scottalanmiller
                      last edited by

                      @scottalanmiller Yeah... I've never really stopped to think about it, just something that I grew up hearing.....

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                      • DustinB3403D
                        DustinB3403 @wrx7m
                        last edited by

                        @wrx7m said in Troubleshooting Help Requested:

                        Different VM networks defined on the VM for the host?

                        No, differents hosts, but the NICs connect to the same lan.

                        @SmithErick said in Troubleshooting Help Requested:

                        NIC card type make a difference here? e1000 vs vmxnet3

                        Different Hosts

                        @Pete-S said in Troubleshooting Help Requested:

                        Double check mac address so you don't have two VMs with the same. That and conflicting ip addresses can cause some strange effects.

                        Already confirmed all of the details, the MAC is unique across the entire network.

                        1 Reply Last reply Reply Quote 0
                        • wrx7mW
                          wrx7m
                          last edited by

                          VLANs?

                          DustinB3403D 1 Reply Last reply Reply Quote 0
                          • DustinB3403D
                            DustinB3403 @wrx7m
                            last edited by

                            @wrx7m said in Troubleshooting Help Requested:

                            VLANs?

                            No, and this VM is on the same vlan as other VMs on the same host.

                            PS I've restored this VM to a completely different hypervisor and the issue persists. So either its the VM or the gateway.

                            notverypunnyN 1 Reply Last reply Reply Quote 1
                            • notverypunnyN
                              notverypunny @DustinB3403
                              last edited by

                              @DustinB3403 said in Troubleshooting Help Requested:

                              @wrx7m said in Troubleshooting Help Requested:

                              VLANs?

                              No, and this VM is on the same vlan as other VMs on the same host.

                              PS I've restored this VM to a completely different hypervisor and the issue persists. So either its the VM or the gateway.

                              Have you tried a different IP, or even power down this machine and assign the same IP to another host to see if it gets blocked? Is the restored VM using the same MAC address as the original or has the restored version got a reinitialised MAC?

                              Do you have access to check the logs on the gateway / edge / router to see if it's blocking / intercepting / messing with your host

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