• Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Search
  • Register
  • Login
Netgate Discussion Forum
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Search
  • Register
  • Login

ipv6 disabled but showing up in ndp table

Scheduled Pinned Locked Moved General pfSense Questions
6 Posts 3 Posters 521 Views
Loading More Posts
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • S
    sylvain613
    last edited by Jul 27, 2020, 7:54 PM

    ipv6 disabled but showing up in ndp table for nics as local discovery how do i completetly disable i have fallowed numberous guides and have no dhcp6 running and ipv6 is set to none for all interfaces?

    1 Reply Last reply Reply Quote 0
    • S
      stephenw10 Netgate Administrator
      last edited by Jul 28, 2020, 12:24 PM

      You will still see the local link addresses there. What exactly are you seeing?

      Steve

      S 1 Reply Last reply Jul 28, 2020, 1:50 PM Reply Quote 0
      • S
        sylvain613 @stephenw10
        last edited by Jul 28, 2020, 1:50 PM

        @stephenw10 I'm seeing ipv6 IPs in firewall logs and it's hard to tell what devices they are hence why I rather all ipv4 and fully disable the ipv6

        J 1 Reply Last reply Jul 28, 2020, 2:12 PM Reply Quote 0
        • S
          stephenw10 Netgate Administrator
          last edited by Jul 28, 2020, 2:05 PM

          You will always have local link addresses and clients sending traffic from them.

          You can add an IPv6 block rule without logging if you simply don't want to see that in the logs.

          Steve

          1 Reply Last reply Reply Quote 0
          • J
            JKnott @sylvain613
            last edited by Jul 28, 2020, 2:12 PM

            @sylvain613

            Link local addresses start with fe80 and usually are based on the MAC address. So, look at those addresses. The least significant 64 bits will have the MAC address, but with FFFE inserted in the middle and bit 7 (IIRC) inverted.

            Also, you shouldn't be disabling IPv6. You should be trying to move to it. There's another thread right now where someone's home network is behind carrier grade NAT and so they can't reach it from work, where he has only IPv4 available. I have been using IPv6 for over 10 years, 6 of them via a tunnel and 4 native IPv6 from my ISP.

            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...

            S 1 Reply Last reply Jul 28, 2020, 2:15 PM Reply Quote 0
            • S
              sylvain613 @JKnott
              last edited by Jul 28, 2020, 2:15 PM

              @JKnott thank you very much for the information and insight greatly appreciated 👍

              1 Reply Last reply Reply Quote 0
              6 out of 6
              • First post
                6/6
                Last post
              Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.
                This community forum collects and processes your personal information.
                consent.not_received