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    IPV6 Disable on LAN

    Scheduled Pinned Locked Moved IPv6
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    • K
      kp206
      last edited by kp206

      I was running PFsense on VMware esxi 7 and it was running great with no problems, but decided to switch to bare metal instead and i screenshot all my settings just to be sure. And after re-installing, i have a few problems and i'm hoping to get some help here. Thanks in advance!

      How do i turn off IPV6 on my LAN? I noticed it was assigning IPV 6 address to my Mac Mini, Ipad's, Synology NAS and etc. Also there are 2 different IPV 6 address with the same Mac address on my MAC MINI.

      In the settings i made sure IPV 6 is disabled
      Screenshot 2023-04-19 at 12.36.26 AM.png

      Screenshot 2023-04-19 at 12.35.58 AM.png

      GertjanG RobbieTTR JKnottJ 3 Replies Last reply Reply Quote 0
      • GertjanG
        Gertjan @kp206
        last edited by

        @kp206 said in IPV6 Disable on LAN:

        How do i turn off IPV6 on my LAN? I noticed it was assigning IPV 6 address to my Mac Mini, Ipad's, Synology NAS and etc. Also there are 2 different IPV 6 address with the same Mac address on my MAC MINI.

        When you see these "fe80:" these are auto assigned, and have only a local LAN scope.

        Even if pfSense isn't playing the IPv6 game, all these devices, like your NAS, PC, MAC etc, prefer to use IPv6 among them.
        Just a pity that your pfSense doesn't want to play along.

        You can enforce the no-IPv6 idea with

        3de40864-50ca-4322-91a3-c9fb37d391ee-image.png

        so all LAN based device will find out that there is no IPv6 gateway to go 'elsewhere'.

        No "help me" PM's please. Use the forum, the community will thank you.
        Edit : and where are the logs ??

        K 1 Reply Last reply Reply Quote 0
        • RobbieTTR
          RobbieTT @kp206
          last edited by

          @kp206 said in IPV6 Disable on LAN:

          How do i turn off IPV6 on my LAN? I noticed it was assigning IPV 6 address to my Mac Mini, Ipad's, Synology NAS and etc. Also there are 2 different IPV 6 address with the same Mac address on my MAC MINI.

          Normal behaviour. Typically a client has 3 addresses when you use IPv6. One is its own fe80 (already described), another is its own fixed globally routable address, tied to the device, plus a third 'privacy' address. Again, globally routable but drops its direct association with the client and is randomised.

          Someone has to say it (so I guess I am 'that guy' on this thread) but you really should be embracing IPv6. It is quite refreshing compared the handcuffs of IPv4 and the handicap of NAT. I think my IPv4 WAN traffic is down to ~30% these days. So come on in - the water is lovely.

          ☕️

          JKnottJ GertjanG K 3 Replies Last reply Reply Quote 1
          • JKnottJ
            JKnott @kp206
            last edited by

            @kp206

            Those fe80 addresses are called link local. Every IPv6 capable device gets them and that has nothing to do with pfSense.

            PfSense running on Qotom mini PC
            i5 CPU, 4 GB memory, 32 GB SSD & 4 Intel Gb Ethernet ports.
            UniFi AC-Lite access point

            I haven't lost my mind. It's around here...somewhere...

            1 Reply Last reply Reply Quote 0
            • JKnottJ
              JKnott @RobbieTT
              last edited by

              @robbiett said in IPV6 Disable on LAN:

              Someone has to say it (so I guess I am 'that guy' on this thread) but you really should be embracing IPv6. It is quite refreshing compared the handcuffs of IPv4 and the handicap of NAT. I think my IPv4 WAN traffic is down to ~30% these days. So come on in - the water is lovely.

              Quite so. I've been running IPv6 for 13 years. It restores proper function to the 'net, where each device gets it's own address.

              PfSense running on Qotom mini PC
              i5 CPU, 4 GB memory, 32 GB SSD & 4 Intel Gb Ethernet ports.
              UniFi AC-Lite access point

              I haven't lost my mind. It's around here...somewhere...

              1 Reply Last reply Reply Quote 0
              • GertjanG
                Gertjan @RobbieTT
                last edited by

                @robbiett said in IPV6 Disable on LAN:

                (so I guess I am 'that guy' on this thread)

                #metoo.
                IPv6 works fine with pfSense for years now.

                A show stopper can be : the ISP. Some of them stopped reading de RFCs in 2001.
                And the one between the keyboard and chair.

                No "help me" PM's please. Use the forum, the community will thank you.
                Edit : and where are the logs ??

                1 Reply Last reply Reply Quote 1
                • K
                  kp206 @Gertjan
                  last edited by

                  @gertjan thank you it worked!

                  1 Reply Last reply Reply Quote 0
                  • K
                    kp206 @RobbieTT
                    last edited by

                    @robbiett Great information. I will definitely look into this, as i am still new to all this.

                    1 Reply Last reply Reply Quote 0
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