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

    DHCPv6 configuration: The specified range lies outside of the current subnet.

    IPv6
    3
    5
    2.0k
    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.
    • C
      casperghst42-real-one
      last edited by

      Hi,

      This is continuing to be an issue, it was reported in 2016 (https://forum.netgate.com/topic/107113/services-dhcpv6-server-ra-lan-dhcpv6-server-range-error), there was a link to a possible fix (which does not work for me).

      I have an delegated /48 which I split in multiple /64 - which give me:

      Lan Addr: 2a06:4004:1234:1::1/64

      The dhcpv6 then gives me:

      Subnet 2a06:4004:1234:1:: /64
      Range From: ::1000
      Range To: ::2000

      When I press save I get: The specified range lies outside of the current subnet.

      This has been an ongoing issue for year, and it looks like it have not yet been fixed (at least not in 2.6.0).

      Is this fixed in the no-so-opensource version, or will I have to change to OpnSense (where it works) ?

      Thanks.

      Bob.DigB 1 Reply Last reply Reply Quote 0
      • Bob.DigB
        Bob.Dig LAYER 8 @casperghst42-real-one
        last edited by

        @casperghst42-real-one said in DHCPv6 configuration: The specified range lies outside of the current subnet.:

        Lan Addr: 2a06:4004:1234:1::1/64

        That already looks unusual to me.

        C 1 Reply Last reply Reply Quote 0
        • C
          casperghst42-real-one @Bob.Dig
          last edited by

          @bob-dig

          I replaced the last 4 digits of the address with 1234.

          I have solved the issue - using RA stateless dhcp instead of DHCPv6 - but this have been reported more than once ... and still not fixed.

          I'll give OpnSense a look as they at least do fix issues.

          Bob.DigB johnpozJ 2 Replies Last reply Reply Quote 0
          • Bob.DigB
            Bob.Dig LAYER 8 @casperghst42-real-one
            last edited by

            @casperghst42-real-one said in DHCPv6 configuration: The specified range lies outside of the current subnet.:

            I replaced the last 4 digits of the address with 1234.

            Sure, still looks wrong. The address should be the MAC address for the host part.

            1 Reply Last reply Reply Quote 0
            • johnpozJ
              johnpoz LAYER 8 Global Moderator @casperghst42-real-one
              last edited by johnpoz

              @casperghst42-real-one working here on a 2.6

              workshere.jpg

              You can't just leave ::1000 and :2000

              You have to set the full range.. Those are just place holders..

              That range is quite large 2a06:4004:1234:1:: to 2a06:4004:1234:1:ffff:ffff:ffff:ffff

              Maybe you want to hand out

              2a06:4004:1234:1:42::1000 to 2a06:4004:1234:1:42:2000

              so those ::1000 to ::2000 are just place holders for the actual IPs that could be handed out in your selected range. So you have to be specific on your actual range you want to use.

              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 2.7.2, 24.11

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