1:1 NAT with multiple gateways to a single (LAN) host

  • Hey all,

    Here is what I'm trying to do, and I need to know if it's possible.

    (Oversimplified for ease of explination)

    Two ISPs, and a server. pfSense is set up with multiple gateways and that works, I can yank the primary link out and it starts using ISP 2.

    What I need to do is 1:1 NAT to the server, but I need a 1:1 NAT from each provider. If ISP1 is up the 1:1 should use that, and if not it should use the correct IP from ISP2.



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