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    Does pfsense support multi wan on same gateway on multiple interfaces

    Scheduled Pinned Locked Moved General pfSense Questions
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    • C
      casinmirad
      last edited by

      You can use the same gateway, i do that and work fine!!

      You need to setup a different monitor IP address for every WAN, and configure monitoring for packet loss or high latency, for it to detect when they are offline.

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      • ?
        Guest
        last edited by

        @casinmirad:

        You can use the same gateway, i do that and work fine!!

        You need to setup a different monitor IP address for every WAN, and configure monitoring for packet loss or high latency, for it to detect when they are offline.

        it's not working for me, even with different monitor addresses.

        i will see how the dx-e402 goes, I just bought it for 10$.

        Now to play the waiting game, will post back to tell you guys if it's poop.

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        • C
          cmb
          last edited by

          @casinmirad:

          You can use the same gateway, i do that and work fine!!

          No it won't. It'll only use one of the connections that have the same gateway IP. It may rotate unpredictably between them, but generally will stick to only one of them.

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          • C
            casinmirad
            last edited by

            @cmb:

            @casinmirad:

            You can use the same gateway, i do that and work fine!!

            No it won't. It'll only use one of the connections that have the same gateway IP. It may rotate unpredictably between them, but generally will stick to only one of them.

            I'm using it with 2 PPPoE wan that have the same gateway, and the two WAN are being used with no problem.

            But if I don't change the monitor IP it can not detect when only one of them is offline.

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            • C
              cmb
              last edited by

              Ah, should have clarified, in 2.0.1 and newer you can indeed use multiple PPPoE connections with the same gateway. That's not true of any other type of connectivity.

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              • C
                ccmks
                last edited by

                No, It won't work. I tested it and it only use one connection while the other one just idle

                I don't see any point having two different WAN with same gateway….

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                • V
                  vassilis
                  last edited by

                  @cmb:

                  Ah, should have clarified, in 2.0.1 and newer you can indeed use multiple PPPoE connections with the same gateway. That's not true of any other type of connectivity.

                  No changes are needed in the Monitoring Gateway IP anymore? Both connections can be using the same gateway?
                  So for all who are atm using a cheap modem/router for the second WAN(PPPoE), we can just switch WAN2 to PPPoE, remove the cheap modem/router and have full functionality?
                  (having setup Load Balancing correctly)

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                  • C
                    cmb
                    last edited by

                    You have to have unique monitor IPs, but with PPPoE you can have multiple PPPoE connections with the same gateway in 2.0.1 and newer.

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                    • V
                      vassilis
                      last edited by

                      great! thank you very much!

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                      • T
                        tekken
                        last edited by

                        @cmb:

                        Ah, should have clarified, in 2.0.1 and newer you can indeed use multiple PPPoE connections with the same gateway. That's not true of any other type of connectivity.

                        So if I have two simple ethernet-wan connection:

                        IP address 212.55.80.123 
                        Subnet mask 255.255.255.0
                        Gateway 212.55.80.10
                        2.
                        IP address 212.55.80.124 
                        Subnet mask 255.255.255.0
                        Gateway 212.55.80.10

                        Can I use It on 1 pfsense server? I must to setup a different monitor IP address for every WAN, and configure monitoring for packet loss or high latency, for it to detect when they are offline? Or it not possible?

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                        • stephenw10S
                          stephenw10 Netgate Administrator
                          last edited by

                          To make load balancing or failover work when both connections have the same gateway you must:
                          Be running 2.0.1
                          Be using PPPoE
                          Configure different monitoring IPs on each connection.

                          Steve

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                          • E
                            Egate
                            last edited by

                            Was wondering about this. Have got 24 PPPoE ADSL's that i would like to load balance. Gateways would unfortunately be the same for all from service provider. Would be a problem to find 24 different ip's to monitor. The other problem is the gateway ip is the ip that would be pinged to test latency. Saw a lot of times people say set up PPPoE on modem, but this will break fail over. If PPPoE on modem is down, PF Sense will se the ip to the modem and you cant use ping because of above mentioned ping problem. So sad, to bad. :-)

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