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    ZeroTier Question

    IT Discussion
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    • DashrenderD
      Dashrender
      last edited by

      man, time to just double check... ipconfig in same session you ping server1. Where could that bizzaro IP could have come from? either ZT or DNS, or Hosts file.

      WLS-ITGuyW 1 Reply Last reply Reply Quote 0
      • JaredBuschJ
        JaredBusch @WLS-ITGuy
        last edited by JaredBusch

        @WLS-ITGuy said in ZeroTier Question:

        @JaredBusch I hope so. I was looking at ZT Central when I typed it out 🙂

        Are you sure that you set the auto assign correctly?

        0_1462842870194_upload-b2d612a0-3c5b-4369-add7-e3d71c1014e8

        1 Reply Last reply Reply Quote 0
        • WLS-ITGuyW
          WLS-ITGuy @Dashrender
          last edited by WLS-ITGuy

          @Dashrender Hmm - I just ping'd from my laptop (Mac OS X) and got the same address that I got on the other laptop. Here is the screenshot from my ZT Center.

          http://i.imgur.com/LfOdpLn.png

          Here is the info from the machine

          http://i.imgur.com/T2NE4wr.png

          1 Reply Last reply Reply Quote 0
          • WLS-ITGuyW
            WLS-ITGuy
            last edited by WLS-ITGuy

            This post is deleted!
            1 Reply Last reply Reply Quote 0
            • JaredBuschJ
              JaredBusch
              last edited by

              Ok, just tested this a little more.

              Laptop off the LAN.
              Ping from laptop to DC by name = ping resolves over ZeroTier IP.

              C:\Users\xxxadmin.xxx>ping xxxdc01
              
              Pinging xxxdc01 [10.202.3.11] with 32 bytes of data:
              Reply from 10.202.3.11: bytes=32 time=42ms TTL=128
              Reply from 10.202.3.11: bytes=32 time=42ms TTL=128
              Reply from 10.202.3.11: bytes=32 time=45ms TTL=128
              Reply from 10.202.3.11: bytes=32 time=43ms TTL=128
              
              Ping statistics for 10.202.3.11:
                  Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
              Approximate round trip times in milli-seconds:
                  Minimum = 42ms, Maximum = 45ms, Average = 43ms
              

              But a ping from the DC to the device returns the devices local IP not the ZeroTier IP.

              C:\Users\xxxadmin>ping dt-backup-lapto
              
              Pinging dt-backup-lapto [192.168.1.8] with 32 bytes of data:
              Request timed out.
              Request timed out.
              Request timed out.
              Request timed out.
              
              Ping statistics for 192.168.1.8:
                  Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
              

              Here is what ipconfig returns on the remote laptop.

              C:\Users\xxxadmin.xxx>ipconfig
              
              Windows IP Configuration
              
              
              Ethernet adapter Local Area Connection 2:
              
                 Connection-specific DNS Suffix  . :
                 IPv6 Address. . . . . . . . . . . : fd56:5799:d8f6:3ed4:a199:9336:a36d:9068
                 Link-local IPv6 Address . . . . . : fe80::e023:2905:284a:b878%24
                 IPv4 Address. . . . . . . . . . . : 10.202.3.188
                 Subnet Mask . . . . . . . . . . . : 255.255.255.0
                 Default Gateway . . . . . . . . . : 25.255.255.254
              
              Ethernet adapter Bluetooth Network Connection:
              
                 Media State . . . . . . . . . . . : Media disconnected
                 Connection-specific DNS Suffix  . :
              
              Wireless LAN adapter Wireless Network Connection:
              
                 Connection-specific DNS Suffix  . :
                 Link-local IPv6 Address . . . . . : fe80::d90e:714e:228:aafb%12
                 IPv4 Address. . . . . . . . . . . : 192.168.1.8
                 Subnet Mask . . . . . . . . . . . : 255.255.255.0
                 Default Gateway . . . . . . . . . : 192.168.1.1
              
              Ethernet adapter Local Area Connection:
              
                 Media State . . . . . . . . . . . : Media disconnected
                 Connection-specific DNS Suffix  . : xxx.local
              
              1 Reply Last reply Reply Quote 0
              • JaredBuschJ
                JaredBusch
                last edited by

                The DC is the image on the right. the laptop is the image on the left.
                0_1462849662589_upload-bc7be0a3-9513-4894-b97e-36b941a95d74

                WLS-ITGuyW 1 Reply Last reply Reply Quote 1
                • jt1001001J
                  jt1001001
                  last edited by

                  Did you check the client for viruses/rootkits? Had a similar issue where I was getting a public IP return when querying an internal DNS name; turns out the PC had a DNS hijack virus/rootkit on it returning all sort of odd results.

                  1 Reply Last reply Reply Quote 1
                  • WLS-ITGuyW
                    WLS-ITGuy @JaredBusch
                    last edited by

                    @JaredBusch Your screenshot brings up a question that I have been having since my Pertino days. Does the ZT NIC go first on the priority? I was getting some mixed messages from Pertino on the priority of things.

                    JaredBuschJ 1 Reply Last reply Reply Quote 0
                    • JaredBuschJ
                      JaredBusch @WLS-ITGuy
                      last edited by

                      @WLS-ITGuy said in ZeroTier Question:

                      @JaredBusch Your screenshot brings up a question that I have been having since my Pertino days. Does the ZT NIC go first on the priority? I was getting some mixed messages from Pertino on the priority of things.

                      Yes it does. But since it should have no gateway, there will not be any issue with it generally.

                      1 Reply Last reply Reply Quote 1
                      • JaredBuschJ
                        JaredBusch
                        last edited by

                        @WLS-ITGuy That said, I had issues with Pertino routing all traffic over itself and had to manually update that setting to have Pertino lower priority in order to prevent it.

                        But the difference I have seen with ZeroTier is that even if it decides to route over the ZT adapter, my ping times are still 1ms in the office.

                        With Pertino , that was not true and it lagged the hell out of my inter server communication.

                        dafyreD 1 Reply Last reply Reply Quote 2
                        • dafyreD
                          dafyre @JaredBusch
                          last edited by

                          @JaredBusch said in ZeroTier Question:

                          But the difference I have seen with ZeroTier is that even if it decides to route over the ZT adapter, my ping times are still 1ms in the office.

                          This matches up with what I've seen in my home office as well.

                          1 Reply Last reply Reply Quote 2
                          • WLS-ITGuyW
                            WLS-ITGuy
                            last edited by

                            in the beginning I asked if I need to put the ZeroTier IP address into the server options of DHCP. I don't remember and can't find if anyone answered that.

                            http://i.imgur.com/TIISAJ8.png

                            JaredBuschJ 1 Reply Last reply Reply Quote 0
                            • dafyreD
                              dafyre
                              last edited by

                              If you already have your LAN IP addresses of your DNS servers, it certainly won't hurt, but my first answer would be no, you don't have to worry about it... All of the DNS requests would be going to the same place anyway, right?

                              1 Reply Last reply Reply Quote 0
                              • JaredBuschJ
                                JaredBusch @WLS-ITGuy
                                last edited by

                                @WLS-ITGuy said in ZeroTier Question:

                                in the beginning I asked if I need to put the ZeroTier IP address into the server options of DHCP. I don't remember and can't find if anyone answered that.

                                This depends on how full mesh you want everything.

                                If you are going 100% full mesh, then yes.

                                You want your internal DNS server to be the thing handing out all DNS over ZT.

                                But this also means that your internal DNS server needs to KNOW all the ZT addresses for every device. This is not something that may always jsut magically register in DNS because the addresses are not being assigned out by the Windows DHCP server that normally can auto update the DNS records.

                                1 Reply Last reply Reply Quote 3
                                • dafyreD
                                  dafyre
                                  last edited by dafyre

                                  This will also mean that you need to put the ZT IP address of your DNS server on the ZT NICs on Laptops that leave the physical network.

                                  Edit: The caveat here will be if your DNS server responds with a LAN IP address instead of a ZT IP address for a device that is not located on physical LAN.

                                  WLS-ITGuyW DashrenderD 2 Replies Last reply Reply Quote 0
                                  • WLS-ITGuyW
                                    WLS-ITGuy @dafyre
                                    last edited by

                                    So the plain answer is no then 🙂

                                    I received feedback overnight that there are two machines for sure that cannot access mapped drives or files from the DC/File Server.

                                    I couldn't ping from my mac but could access files with no issues.

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                                    • scottalanmillerS
                                      scottalanmiller
                                      last edited by

                                      So the drives are getting mapped, or are not?

                                      WLS-ITGuyW 1 Reply Last reply Reply Quote 0
                                      • WLS-ITGuyW
                                        WLS-ITGuy @scottalanmiller
                                        last edited by

                                        @scottalanmiller The drives are mapped via logon script but have a red x when off campus. When you click on them it says it could not reconnect.

                                        scottalanmillerS JaredBuschJ 2 Replies Last reply Reply Quote 1
                                        • scottalanmillerS
                                          scottalanmiller @WLS-ITGuy
                                          last edited by

                                          @WLS-ITGuy said in ZeroTier Question:

                                          @scottalanmiller The drives are mapped via logon script but have a red x when off campus. When you click on them it says it could not reconnect.

                                          And if you ping the name used for the mapping, it does not respond? Does it respond on the machines that work?

                                          WLS-ITGuyW 1 Reply Last reply Reply Quote 0
                                          • JaredBuschJ
                                            JaredBusch @WLS-ITGuy
                                            last edited by

                                            @WLS-ITGuy said in ZeroTier Question:

                                            @scottalanmiller The drives are mapped via logon script but have a red x when off campus. When you click on them it says it could not reconnect.

                                            Then you have DNS resolution issues, a routing issue, or a firewall issue.

                                            Most likely it is DNS.

                                            1 Reply Last reply Reply Quote 0
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