PfSense NAT UDP port forwarding packet lost



  • Ping Packet loss between OpenVPN point to point interface: (notice 1754 -> loss -> 1775)

    Network Diagram:

    OpenVPN point to point interface: 172.24.0.17 <> 172.24.0.18
    OpenVPN UDP port: 15172

    pfSense setup:


    Once I put public IP x.x.x.20 on OpenVPN server directly, everything just go fine.


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