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    Carp. OpenVPN client - permanent connection and disconnection

    HA/CARP/VIPs
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    • A
      alexanko last edited by alexanko

      Set up carp. When you restart any of the pfsense1 or pfsense2 servers, the Internet works, the OpenVPN Server clients are active (on Master server), everything works, except for the OpenVPN client, clients - connect and restart.

      OpenVPN Server works correctly:
      pfsense1 (master): service OpenVPN Server - ON
      pfsense2 (backup): service OpenVPN Server - OFF

      OpenVPN Client - clients connect and restart every 5 sec.:
      pfsense1 (master): service OpenVPN clients- ON
      pfsense2 (backup): service OpenVPN clients - ON

      Tell me in which direction to move in order to solve this problem.

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      • Derelict
        Derelict LAYER 8 Netgate last edited by

        They will always disconnect and connect again because there is no OpenVPN client connection state between HA nodes in the cluster.

        Chattanooga, Tennessee, USA
        The pfSense Book is free of charge!
        DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
        Do Not Chat For Help! NO_WAN_EGRESS(TM)

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        • A
          alexanko last edited by

          @Derelict said in Carp. OpenVPN client - permanent connection and disconnection:

          They will always disconnect and connect again because there is no OpenVPN client connection state between HA nodes in the cluster.

          Does this problem have a solution?

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          • Derelict
            Derelict LAYER 8 Netgate last edited by

            Only solution to completely seamless failover is to use a firewall that shares OpenVPN connections and states between the HA nodes. I don't know of one. I know pfSense does not.

            There might be some techniques to make failover faster, but that depends on exactly how you have it set up, what kind of OpenVPN connections you're talking about, etc.

            Chattanooga, Tennessee, USA
            The pfSense Book is free of charge!
            DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
            Do Not Chat For Help! NO_WAN_EGRESS(TM)

            A 1 Reply Last reply Reply Quote 0
            • A
              alexanko @Derelict last edited by

              @Derelict said in Carp. OpenVPN client - permanent connection and disconnection:

              Only solution to completely seamless failover is to use a firewall that shares OpenVPN connections and states between the HA nodes. I don't know of one. I know pfSense does not.
              There might be some techniques to make failover faster, but that depends on exactly how you have it set up, what kind of OpenVPN connections you're talking about, etc.

              6bb80b3b-44c8-4f8a-b490-3a0eed74fcc1-image.png

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              • A
                alexanko @alexanko last edited by

                @alexanko
                "...There might be some techniques to make failover faster, but that depends on exactly how you have it set up, what kind of OpenVPN connections you're talking about, etc...." - what methods can automate the switching of openVPN client between master and backup

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                • Derelict
                  Derelict LAYER 8 Netgate last edited by

                  I have no idea what you are trying to communicate there. Sorry.

                  Chattanooga, Tennessee, USA
                  The pfSense Book is free of charge!
                  DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
                  Do Not Chat For Help! NO_WAN_EGRESS(TM)

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                  • A
                    alexanko last edited by

                    Thank you very much

                    Derelict 1 Reply Last reply Reply Quote 0
                    • Derelict
                      Derelict LAYER 8 Netgate @alexanko last edited by

                      @alexanko

                      How to do auto switch?

                      Bind the OpenVPN server to the CARP VIP.

                      Chattanooga, Tennessee, USA
                      The pfSense Book is free of charge!
                      DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
                      Do Not Chat For Help! NO_WAN_EGRESS(TM)

                      A 1 Reply Last reply Reply Quote 0
                      • A
                        alexanko @Derelict last edited by

                        @Derelict

                        I have configured carp, and everything works fine when switching (master / backup status) between servers, except for one service - "openVPN CLIENT".
                        Servise - "openVPN SERVER" - works correctly when rebooting (crashing) servers: "ON status - on master pfsense server and OFF - on backup pfsense server"

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                        • Derelict
                          Derelict LAYER 8 Netgate last edited by Derelict

                          You need to tell the OpenVPN server to listen on a CARP VIP, not the interface address.

                          When you do that the server will only run on the node currently holding CARP MASTER.

                          Same thing with the client. Set the interface to the CARP VIP.

                          Chattanooga, Tennessee, USA
                          The pfSense Book is free of charge!
                          DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
                          Do Not Chat For Help! NO_WAN_EGRESS(TM)

                          A 1 Reply Last reply Reply Quote 0
                          • A
                            alexanko @Derelict last edited by

                            @Derelict said in Carp. OpenVPN client - permanent connection and disconnection:

                            You need to tell the OpenVPN server to listen on a CARP VIP, not the interface address.
                            When you do that the server will only run on the node currently holding CARP MASTER.
                            Same thing with the client. Set the interface to the CARP VIP.

                            "You need to tell the OpenVPN server to listen on a CARP VIP, not the interface address." - It was done. Сonfigured initially
                            "When you do that the server will only run on the node currently holding CARP MASTER." - Configured initially. The openvpn SERVER is working correctly.
                            "Same thing with the client. Set the interface to the CARP VIP." - Installed .. service does not work correctly

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                            • A
                              alexanko @alexanko last edited by

                              @Derelict
                              When I bind OVPN Client to CARP VIP interface I see two concurent connections on remote OVPN server from real IPs of my master and backup PFSense

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                              • A
                                alexanko @alexanko last edited by

                                @alexanko
                                e05ac2ad-25da-4b4b-afd1-545762dceead-image.png

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                                • Derelict
                                  Derelict LAYER 8 Netgate last edited by

                                  Did you properly set the CARP VIPs on that gateway group?

                                  Chattanooga, Tennessee, USA
                                  The pfSense Book is free of charge!
                                  DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
                                  Do Not Chat For Help! NO_WAN_EGRESS(TM)

                                  A 1 Reply Last reply Reply Quote 0
                                  • A
                                    alexanko @Derelict last edited by alexanko

                                    @Derelict said in Carp. OpenVPN client - permanent connection and disconnection:

                                    Did you properly set the CARP VIPs on that gateway group?

                                    The problem has been resolved.
                                    First, in the settings, OpenVPN / clients / interface installed a group of gateways (consisting of 3 WANs).
                                    When I replaced the WAN gateway group with one of the VIP WANs - carp.failover - service-VPNclient switched correctly ...
                                    thank

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                                    • Derelict
                                      Derelict LAYER 8 Netgate last edited by

                                      You can use a gateway group but you have to set up the gateway group using CARP VIPs.

                                      Screen Shot 2019-08-19 at 12.50.50 AM.png

                                      Chattanooga, Tennessee, USA
                                      The pfSense Book is free of charge!
                                      DO NOT set a source port in a port forward or firewall rule unless you KNOW you need it!
                                      Do Not Chat For Help! NO_WAN_EGRESS(TM)

                                      A 1 Reply Last reply Reply Quote 0
                                      • A
                                        alexanko @Derelict last edited by

                                        @Derelict
                                        Super. Fine. Exactly what is needed !

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