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    IPv6 Question

    Scheduled Pinned Locked Moved General pfSense Questions
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    • johnpozJ
      johnpoz LAYER 8 Global Moderator @johnnybinator
      last edited by

      @johnnybinator so you don't want any devices on your lan to get IPv6? If that was the case why do you have IPv6 enabled on the lan interface?

      Or you just wanting this device to not get IPv6 via the untagged traffic, but you want it to have IPv4 native?

      Still not sure exactly what your asking.. Be it tagged or untagged. You don't want this device to get a IPv6 address?

      You could always set native in the trunk to a dead vlan on the switch, but then untagged wouldn't work for IPv4.

      An intelligent man is sometimes forced to be drunk to spend time with his fools
      If you get confused: Listen to the Music Play
      Please don't Chat/PM me for help, unless mod related
      SG-4860 24.11 | Lab VMs 2.8, 24.11

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      • johnpozJ
        johnpoz LAYER 8 Global Moderator @johnnybinator
        last edited by

        @johnnybinator said in IPv6 Question:

        LAN is VLAN 11. I'm positive of it. That is why I'm so perplexed.

        That might be on your switch, my lan on my switch is vlan ID 9, but this is the default vlan on the switch and untagged.

        Your saying your lan interface is a vlan, there is no IP set on the native interface?

        An intelligent man is sometimes forced to be drunk to spend time with his fools
        If you get confused: Listen to the Music Play
        Please don't Chat/PM me for help, unless mod related
        SG-4860 24.11 | Lab VMs 2.8, 24.11

        J 1 Reply Last reply Reply Quote 0
        • stephenw10S
          stephenw10 Netgate Administrator @johnnybinator
          last edited by

          @johnnybinator said in IPv6 Question:

          @stephenw10 LAN is VLAN 11. I'm positive of it. That is why I'm so perplexed.

          Mmm, sounds like something is leaking then or just misconfigured.

          Can the host actually use the address it gets on the trunk port?

          J 1 Reply Last reply Reply Quote 0
          • J
            johnnybinator @johnpoz
            last edited by

            My LAN interface is on VLAN 11. I promise you. I do not have an interface that is not tied to a VLAN, besides WAN & NORD VPN on ipsec.

            Keyboard-interactive authentication prompts from server:
            End of keyboard-interactive prompts from server
            Netgate 6100 - Serial: 2051210048 - Netgate Device ID: e6b7e9a44cc68a2e2e29

            *** Welcome to Netgate pfSense Plus 22.05-RELEASE (amd64) on pfSense ***

            WAN (wan) -> igc1 -> v4/DHCP4: xx.xx.xx.xx/23
            v6/DHCP6: xxxx:xxx:xxxx:xccx:711b:386f:1bc7:69c6/128
            LAN (lan) -> ix0.11 -> v4: 10.200.0.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:0:92ec:77ff:fe21:2eba/64
            VLAN6 (opt1) -> ix0.6 -> v4: 10.0.6.254/24
            VLAN7 (opt2) -> ix0.7 -> v4: 10.0.7.254/24
            VLAN8 (opt3) -> ix0.8 -> v4: 10.0.8.254/24
            VLAN10 (opt4) -> ix0.10 -> v4: 10.0.10.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx::92ec:77ff:fe21:2eba/64
            VLAN20 (opt5) -> ix0.20 -> v4: 10.0.20.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:2:92ec:77ff:fe21:2eba/64
            VLAN30 (opt6) -> ix0.30 -> v4: 10.0.30.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:3:92ec:77ff:fe21:2eba/64
            VLAN40 (opt7) -> ix0.40 -> v4: 10.0.40.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:4:92ec:77ff:fe21:2eba/64
            VLAN50 (opt8) -> ix0.50 -> v4: 10.0.50.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:5:92ec:77ff:fe21:2eba/64
            VLAN60 (opt9) -> ix0.60 -> v4: 10.0.60.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:6:92ec:77ff:fe21:2eba/64
            VLAN70 (opt10) -> ix0.70 -> v4: 10.0.70.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:7:92ec:77ff:fe21:2eba/64
            VLAN80 (opt11) -> ix0.80 -> v4: 10.0.80.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:8:92ec:77ff:fe21:2eba/64
            VLAN90 (opt12) -> ix0.90 -> v4: 10.0.90.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:9:92ec:77ff:fe21:2eba/64
            VLAN100 (opt13) -> ix0.100 -> v4: 10.0.100.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:a:92ec:77ff:fe21:2eba/64
            VLAN110 (opt14) -> ix0.110 -> v4: 10.0.110.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:b:92ec:77ff:fe21:2eba/64
            VLAN120 (opt15) -> ix0.120 -> v4: 10.0.120.254/25
            v6/t6: xxxx:xxxx:xxxx:xxxx:c:92ec:77ff:fe21:2eba/64
            VLAN130 (opt16) -> ix0.130 -> v4: 10.0.130.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:d:92ec:77ff:fe21:2eba/64
            VLAN140 (opt17) -> ix0.140 -> v4: 10.0.140.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:e:92ec:77ff:fe21:2eba/64
            VLAN150 (opt18) -> ix0.150 -> v4: 10.0.150.254/24
            v6/t6: xxxx:xxxx:xxxx:xxxx:f:92ec:77ff:fe21:2eba/64
            VLAN160 (opt19) -> ix0.160 -> v4: 10.0.160.254/24
            VLAN170 (opt20) -> ix0.170 -> v4: 10.0.170.254/24
            VLAN180 (opt21) -> ix0.180 -> v4: 10.0.180.254/24
            VLAN190 (opt22) -> ix0.190 -> v4: 10.0.190.254/24
            VLAN200 (opt23) -> ix0.200 -> v4: 10.0.200.254/24
            VLAN210 (opt24) -> ix0.210 -> v4: 192.168.250.254/24
            DLVLAN (opt25) -> ix0.151 -> v4: 10.0.151.254/24
            NORD_VPN (opt26) -> ovpnc1 -> v4: 10.8.3.4/24

            1. Logout (SSH only) 9) pfTop
            2. Assign Interfaces 10) Filter Logs
            3. Set interface(s) IP address 11) Restart webConfigurator
            4. Reset webConfigurator password 12) PHP shell + Netgate pfSense Plus tools
            5. Reset to factory defaults 13) Update from console
            6. Reboot system 14) Disable Secure Shell (sshd)
            7. Halt system 15) Restore recent configuration
            8. Ping host 16) Restart PHP-FPM
            9. Shell
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            • J
              johnnybinator @stephenw10
              last edited by

              @stephenw10 yes. the host can ping6 on that interface to 2600:: but if I give the same interface an IPv4 address without tagging, I cannot ping out on IPv4.

              johnpozJ 1 Reply Last reply Reply Quote 0
              • johnpozJ
                johnpoz LAYER 8 Global Moderator @johnnybinator
                last edited by

                @johnnybinator well that is odd..

                I could see if the pvid on the port connected to your device was your lan vlan id, that could get to pfsense tagged as it leaves the port connected to pfsense.

                But if that was what was happening then ipv4 should work as well, unless your rules on the lan interface didn't allow IPv4?

                If the traffic was actually coming to pfsense untagged, and pfsense has nothing set on the native interface.. Then it shouldn't be able to get anything.

                An intelligent man is sometimes forced to be drunk to spend time with his fools
                If you get confused: Listen to the Music Play
                Please don't Chat/PM me for help, unless mod related
                SG-4860 24.11 | Lab VMs 2.8, 24.11

                J 1 Reply Last reply Reply Quote 0
                • J
                  johnnybinator @johnpoz
                  last edited by

                  @johnpoz Yeah. Exactly.

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                  • stephenw10S
                    stephenw10 Netgate Administrator
                    last edited by

                    So to be clear this happens when you connect a host to ix0 directly? Or some other down stream trunk link?

                    If it's something other than actually on ix0 on the firewall I'd guess there's something else bridging to it. It's all too easy to leak tagged traffic to untagged but much less likely to go the other way. And that would be required for ping6 to work obviously.

                    Steve

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                    • J
                      johnnybinator @stephenw10
                      last edited by

                      @stephenw10 This is through a switch that has a trunk port set up on the 6100 - 10Gb.

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                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        So you're connecting to a trunk port on the switch and there is a separate trunk to the 6100?

                        That sounds like a switch config problem then. That trunk port is untagged on VLAN11 somehow?
                        Doesn't explain how 6 works and v4 doesn't though.

                        johnpozJ 1 Reply Last reply Reply Quote 0
                        • johnpozJ
                          johnpoz LAYER 8 Global Moderator @stephenw10
                          last edited by

                          @stephenw10 exactly common config actually - pvid on a trunk is vlan X... As traffic enters the port untagged it gets put in vlan X.. Now when it leaves the switch to say the router it is tagged on vlan X.

                          But my same question that could explain what is happening - but doesn't explain why it doesn't work on ipv4.. Unless the firewall rules on lan on pfsense do not allow ipv4?

                          An intelligent man is sometimes forced to be drunk to spend time with his fools
                          If you get confused: Listen to the Music Play
                          Please don't Chat/PM me for help, unless mod related
                          SG-4860 24.11 | Lab VMs 2.8, 24.11

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                          • J
                            johnnybinator @johnpoz
                            last edited by

                            @johnpoz I have no PIVD set. No Native VLAN. Just straight Trunk. on the switch or the Host. I'm sure of it.

                            interface ethernet 1/25
                            description sm3_10G
                            switchport mtu 9216
                            switchport mode trunk
                            switchport trunk allowed vlan all
                            ipv6 nd ra suppress

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                            • johnpozJ
                              johnpoz LAYER 8 Global Moderator @johnnybinator
                              last edited by

                              @johnnybinator said in IPv6 Question:

                              Just straight Trunk

                              And what switch allows that? If there was no native, then any untagged traffic wouldn't go anywhere - so clearly that is not what is happening.

                              An intelligent man is sometimes forced to be drunk to spend time with his fools
                              If you get confused: Listen to the Music Play
                              Please don't Chat/PM me for help, unless mod related
                              SG-4860 24.11 | Lab VMs 2.8, 24.11

                              J 1 Reply Last reply Reply Quote 0
                              • J
                                johnnybinator @johnpoz
                                last edited by

                                @johnpoz Clearly there's nothing clear about it.

                                johnpozJ 1 Reply Last reply Reply Quote 0
                                • johnpozJ
                                  johnpoz LAYER 8 Global Moderator @johnnybinator
                                  last edited by

                                  @johnnybinator if pfsense is handing you IPv6 address on vlan 11

                                  LAN (lan) -> ix0.11 -> v4: 10.200.0.254/24

                                  Then the traffic is coming to pfsense on vlan 11, how it got there would be a switch config thing. Or a client config thing.. Pfsense isn't going to say oh untagged traffic, let me put that on my ix0.11 interface..

                                  An intelligent man is sometimes forced to be drunk to spend time with his fools
                                  If you get confused: Listen to the Music Play
                                  Please don't Chat/PM me for help, unless mod related
                                  SG-4860 24.11 | Lab VMs 2.8, 24.11

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                                  • stephenw10S
                                    stephenw10 Netgate Administrator @johnnybinator
                                    last edited by

                                    @johnnybinator

                                    Is that the trunk port that connects to pfSense or where you're connecting the client?
                                    Or is that the same port somehow?

                                    J 1 Reply Last reply Reply Quote 0
                                    • J
                                      johnnybinator @stephenw10
                                      last edited by johnnybinator

                                      @stephenw10 that’s the switch port that connects to pfSense. I think what I’m going to do next is plug a host directly into the PF sense interface.

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                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        Um.... so how are you connecting a client to it now?

                                        The problem is almost certainly in the switch config for the port the client is on.

                                        Steve

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                                        • J
                                          johnnybinator @stephenw10
                                          last edited by

                                          @stephenw10 ummm sooo….

                                          As I’m writing this, I have a switch connected. What I was think would solve this lovely chat is if I put a host directly on the pfSense trunk.

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                                          • stephenw10S
                                            stephenw10 Netgate Administrator
                                            last edited by

                                            Yes, that would certainly confirm if there really is something in pfSense allowing IPv6 only to leak from a VLAN to the parent.

                                            I was just confused as to how it was connected when you were testing before. I may have misread it but I thought you had two trunk connections on the switch (presumably to another switch or an AP maybe) and were connecting the host to the other one.

                                            Steve

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