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No Waterfall no Audio over UDP on my Mac

persauth
persauth Member, Unconfirmed ✭
in Networking
Hello Together, I have a WireGuard VPN set up on a MikroTik router, connecting to an external VPS server with a static public IP address.

I can successfully connect my FlexRadio 8400 through the VPN, but I'm experiencing exactly the same issue: no UDP traffic is being received on my Mac. In other words, the radio connects, but no audio or data streams are transferred via UDP.

I know my LTE provider uses CGNAT, but that's exactly why I built this setup with the VPS and WireGuard tunnel.

I can control the Flex 8400, so tuning or transmitting (TX) works. However, everything else has issues, such as the waterfall display and audio. I assume that if there is no audio, there will also be no waterfall. So the audio is missing.

At this point I'm getting quite desperate. Do you have any ideas what could be causing this, or what I should check next? thank you for helping regards Max

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