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    Multiple WAN subnets on single interface

    Scheduled Pinned Locked Moved HA/CARP/VIPs
    4 Posts 2 Posters 1.2k Views
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    • R
      riba
      last edited by

      Hello everyone, this is my first post. I am planning a new network and I am a bit lost. I will get 1 static public ip and 3 different public subnets. Each subnet has its own gateway and ip. I want to add all subnets on same interface. In past I configured pfsense with 1 wan subnet and virtual ips but now I don't know how will this go because each subnets needs it's own interface to configure subnets ip and gw. I hope you will understand what I need. There is no sub forum for my native language. Thank you!

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      • DerelictD
        Derelict LAYER 8 Netgate
        last edited by

        Put them on different interfaces or different VLANs on the same interface.

        Multiple subnets on one network segment is bad design.

        Have your ISP route the subnets to the single, static IP address.

        Chattanooga, Tennessee, USA
        A comprehensive network diagram is worth 10,000 words and 15 conference calls.
        DO NOT set a source address/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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        • R
          riba
          last edited by

          Thank you for your reply. I already sent email to isp if they can route all subnets to one static ip. I hope they can because I have only 1 wan interface. If they can't route all to 1 ip, I will try with vlans. Is this ok or should I create vlans on wan interface in both cases?

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          • R
            riba
            last edited by

            I just spoke with my isp and they will route all subnets through one ip so everythig is fine. Thank you!

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