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    EdgeRouter L2TP VPN does not work with updated systems

    Scheduled Pinned Locked Moved IT Discussion
    edgeosedgeos 1.10.0ubntl2tpvpncipher
    13 Posts 4 Posters 2.5k Views
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    • JaredBuschJ
      JaredBusch
      last edited by

      Well shit maybe a problem with the kernel

      The NetworkManager maintainer replies on the Ubiquiti forum post I made.
      https://community.ubnt.com/t5/EdgeMAX/L2TP-unusable-on-Fedora/td-p/2254953

      1 Reply Last reply Reply Quote 1
      • JaredBuschJ
        JaredBusch
        last edited by

        Booted a VM to the Fedora 27 Workstation Live ISO.
        Used dnf to installed L2TP and it worked perfectly.

        The Live ISO uses kernel 4.13.9-300.

        This confirm that kernel 4.14 and 4.15 are doing something wrong and are breaking IPsec.

        dafyreD 1 Reply Last reply Reply Quote 2
        • dafyreD
          dafyre @JaredBusch
          last edited by

          @jaredbusch said in EdgeRouter L2TP VPN does not work with updated systems:

          Booted a VM to the Fedora 27 Workstation Live ISO.
          Used dnf to installed L2TP and it worked perfectly.

          The Live ISO uses kernel 4.13.9-300.

          This confirm that kernel 4.14 and 4.15 are doing something wrong and are breaking IPsec.

          You can block dnf from installing newer kernels until this is fixed if you need to.

          JaredBuschJ 1 Reply Last reply Reply Quote 0
          • JaredBuschJ
            JaredBusch @dafyre
            last edited by

            @dafyre said in EdgeRouter L2TP VPN does not work with updated systems:

            @jaredbusch said in EdgeRouter L2TP VPN does not work with updated systems:

            Booted a VM to the Fedora 27 Workstation Live ISO.
            Used dnf to installed L2TP and it worked perfectly.

            The Live ISO uses kernel 4.13.9-300.

            This confirm that kernel 4.14 and 4.15 are doing something wrong and are breaking IPsec.

            You can block dnf from installing newer kernels until this is fixed if you need to.

            I've long been on a kernel newer than 4.13

            1 Reply Last reply Reply Quote 0
            • dbeatoD
              dbeato
              last edited by

              Was this the bug you were referring to?
              https://bugzilla.redhat.com/show_bug.cgi?id=1526203
              https://github.com/hwdsl2/setup-ipsec-vpn/issues/102
              https://github.com/libreswan/libreswan/issues/140

              JaredBuschJ 2 Replies Last reply Reply Quote 0
              • JaredBuschJ
                JaredBusch @dbeato
                last edited by

                @dbeato I'm not referencing any bug.
                I am telling you it does not work on 4.15. So whatever that bug was involved with is not resolved currently.

                Additionally the NetworkManager maintainer stated in his post on the Ubiquiti community that it was broke in 4.15 also.

                0_1519767547410_2f862170-b67f-4bfc-ad3c-dbdf621b8b3f-image.png

                1 Reply Last reply Reply Quote 1
                • JaredBuschJ
                  JaredBusch @dbeato
                  last edited by JaredBusch

                  @dbeato said in EdgeRouter L2TP VPN does not work with updated systems:

                  Was this the bug you were referring to?
                  https://bugzilla.redhat.com/show_bug.cgi?id=1526203
                  https://github.com/hwdsl2/setup-ipsec-vpn/issues/102
                  https://github.com/libreswan/libreswan/issues/140

                  Your first link is semi related.

                  I have no idea wtf you are trying to prove with the second link.

                  The third link is only tangently related, but a follow up post on that links to the actual kernel commits that are the problem. But I have no idea how to know what is what from that level of in depth detail.
                  https://patchwork.ozlabs.org/patch/838470/

                  dbeatoD 1 Reply Last reply Reply Quote 0
                  • dbeatoD
                    dbeato @JaredBusch
                    last edited by

                    @jaredbusch said in EdgeRouter L2TP VPN does not work with updated systems:

                    @dbeato said in EdgeRouter L2TP VPN does not work with updated systems:

                    Was this the bug you were referring to?
                    https://bugzilla.redhat.com/show_bug.cgi?id=1526203
                    https://github.com/hwdsl2/setup-ipsec-vpn/issues/102
                    https://github.com/libreswan/libreswan/issues/140

                    Your first link is semi related.

                    I have no idea wtf you are trying to prove with the second link.

                    The third link is only tangently related, but a follow up post on that links to the actual kernel commits that are the problem. But I have no idea how to know what is what from that level of in depth detail.
                    https://patchwork.ozlabs.org/patch/838470/

                    The 2nd one deserved the WTF because is from 1/2017 so it is not related.

                    1 Reply Last reply Reply Quote 0
                    • FATeknollogeeF
                      FATeknollogee
                      last edited by FATeknollogee

                      @JaredBusch Does your L2TP work in Fedora 28?

                      I'm on 4.17.7-200 & can't get L2TP working (from my desktop)
                      I spin up a W10 vm & no problem getting it work

                      JaredBuschJ 1 Reply Last reply Reply Quote 0
                      • JaredBuschJ
                        JaredBusch @FATeknollogee
                        last edited by

                        @fateknollogee said in EdgeRouter L2TP VPN does not work with updated systems:

                        @JaredBusch Does your L2TP work in Fedora 28?

                        I'm on 4.17.7-200 & can't get L2TP working (from my desktop)
                        I spin up a W10 vm & no problem getting it work

                        It was working on two months ago or so it was working last month I have not tried it in a few weeks

                        1 Reply Last reply Reply Quote 0
                        • FATeknollogeeF
                          FATeknollogee
                          last edited by

                          Did you use the Libreswan or Strongswan setting in your previous post?

                          1 Reply Last reply Reply Quote 0
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