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

    IPv6 PPPoE Telmex/Telnor WAN Interface Configuration

    IPv6
    4
    16
    2.8k
    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.
    • A
      abcdefabcdef
      last edited by

      pfSense version 2.4.5-RELEASE

      My ISP, Telnor is providing FC00:: addresses for the PPPoE connection.

      Here's a screenshot of current WAN setup:

      2dc2a64b-f667-4775-8576-775d2c5a37f5-image.png

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

        @abcdefabcdef

        That would be a unique local address. My own ISP does that too, when I use their modem in gateway mode. However, I still get a global address on the WAN interface and a prefix for my LAN. Do you also get a global address? Prefix?

        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 1
        • A
          abcdefabcdef
          last edited by abcdefabcdef

          I am using my ISP's modem in bridge mode. I receive a public IPv4 address, however my IPv6 address starts with FC00::.

          e2190268-70d8-4864-8ff5-dd94ad193f0f-image.png

          I see that someone else had a similar issue, but the solution stated does not seem to fix the issue.

          https://forum.netgate.com/topic/145856/ipv6-pppoe-telmex-wan-interface-receives-private-address

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

            @abcdefabcdef

            If IPv6 to the Internet works OK, then you don't have a problem. IPv6 is a bit different than IPv4 in that the router doesn't need a routeable address, though one is often provided. For example, with my cable modem, link local addresses are used for routing and I also have a /128 global address on my WAN port. It appears that your ISP provides a unique local address for your WAN port. If you want to access your network, for a VPN etc., then you can use the LAN side 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 1
            • A
              abcdefabcdef
              last edited by

              I am able to ping the LAN side IPv4 address once ICMP has been allowed in the firewall.

              My LAN side cannot access IPv6 sites. Perhaps, DNS issues?

              I have the LAN side's IPv6 configuration type set to 'Track Interface' and the DHCPv6 server is enabled on the LAN interface.

              When I use an IPv6 testing site, I get failures. Any ideas from here?

              5eca4a32-e91c-4c3b-a25d-75ea4f846a16-image.png

              8c42c0c8-dab0-43c6-b213-51153800c695-image.png

              0ccae55b-589a-4da7-a495-05d34cabb5fd-image.png

              b6598ef6-c93d-408f-85ea-430ce407d6b4-image.png

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

                @abcdefabcdef said in IPv6 PPPoE Telmex/Telnor WAN Interface Configuration:

                Perhaps, DNS issues?

                The easiest way to test that is with a host lookup. Use the nslookup command in Windows or host command in Linux to find the IP addresses for a host name.

                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
                • A
                  abcdefabcdef
                  last edited by

                  It seems that I can resolve the hostnames of IPv6 domains, however pinging them fails. If I ping from a LAN side device, it works.

                  9779fb0a-5ee4-4a6a-a5e4-983167927e3e-image.png

                  27e3cfab-9a86-487e-818a-3645a483823f-image.png

                  When I'm updating my Linux servers, I'm getting these errors:

                  472dcca9-fc6a-4092-912d-f8f1b6c2fbc4-image.png

                  The only way I've been able to get this to work so far is if I disable IPv6. My other WAN connections through a different ISP don't exhibit these issues.

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

                    @abcdefabcdef

                    Maybe the problem is with your ISP. Do they even provide IPv6? What happens if you connect a computer directly to the modem? Does it get the appropriate addresses? Can you ping from it? You have to do some tests to help determine where the problem is.

                    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
                    • Bob.DigB
                      Bob.Dig LAYER 8
                      last edited by Bob.Dig

                      I guess dynamic IPv6 is broken, for me it works only some of the time.

                      1 Reply Last reply Reply Quote 0
                      • A
                        abcdefabcdef
                        last edited by abcdefabcdef

                        When I use the ISP supplied ONU modem in router mode, I can access IPv6 resources and online IPv6 tests pass.

                        JKnottJ 1 Reply Last reply Reply Quote 0
                        • A
                          abcdefabcdef
                          last edited by

                          When I use an IPv4 address of the IPv6 site, the tests pass.

                          http://46.30.12.42/

                          5f1d7ec1-1c35-4850-9710-0baecd12b995-image.png

                          Using the domain name: https://test-ipv6.com/

                          bb6afe8c-2604-428b-a087-37c188372089-image.png

                          Here are my DNS servers:

                          675ba6f3-2223-42f5-8419-2b2d0fa28ba7-image.png

                          Is this a DNS misconfiguration?

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

                            @abcdefabcdef said in IPv6 PPPoE Telmex/Telnor WAN Interface Configuration:

                            in router mode

                            That will block IPv6 on your LAN. It has to be in bridge mode.

                            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
                            • A
                              abcdefabcdef
                              last edited by abcdefabcdef

                              It's in bridge mode.

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

                                @abcdefabcdef

                                Then why did you say it was in router mode?

                                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...

                                A 1 Reply Last reply Reply Quote 0
                                • A
                                  abcdefabcdef @JKnott
                                  last edited by abcdefabcdef

                                  @JKnott

                                  @abcdefabcdef said in IPv6 PPPoE Telmex/Telnor WAN Interface Configuration:

                                  When I use the ISP supplied ONU modem in router mode, I can access IPv6 resources and online IPv6 tests pass.

                                  I was saying that when I had put it in router mode, it worked, but my intention is to have it working in bridge mode and it is currently in bridge mode.

                                  D 1 Reply Last reply Reply Quote 0
                                  • D
                                    dagaor83 @abcdefabcdef
                                    last edited by

                                    @abcdefabcdef were you able to resolve telmex's IPv6 connection in bridge mode?

                                    1 Reply Last reply Reply Quote 0
                                    • First post
                                      Last post
                                    Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.