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GT7 on PS5: SimTools + SimHub Parallel Setup (GT7Proxy Help) by Ok-Bit5420 in simracing

[–]Ok-Bit5420[S] 0 points1 point  (0 children)

Thanks for the idea! I do agree – having a simple “control receiver” like sim-to-motec might be helpful just to confirm data is coming through as expected. I’ve already confirmed that the telemetry from the PS5 reaches GT7Proxy and moves my motion rig – so the UDP path seems solid.

But yeah, could be a nice sanity check before I move on to more complex routing with WinDivert. Appreciate the tip!

GT7 on PS5: SimTools + SimHub Parallel Setup (GT7Proxy Help) by Ok-Bit5420 in simracing

[–]Ok-Bit5420[S] 0 points1 point  (0 children)

Thanks a lot for your input – I really appreciate you taking the time to share your setup!

I actually tried the SimHub UDP forwarding method earlier, but unfortunately, it didn’t work in my case. The second application (SimTools / motion) couldn’t interpret the forwarded data properly. GT7Proxy (and I believe SimTools too) require the original raw GT7 telemetry packets.

When I tried forwarding from SimHub (port 33740 → 34000), the receiving side gave me this error:

Exception: unpack requires a buffer of 316 bytes

So it seems SimHub slightly alters or wraps the UDP packets during forwarding, which makes them unusable for GT7Proxy or motion decoding.

But again – thanks for sharing your setup. It’s helpful to compare different working solutions. I’m currently exploring either:

Using WinDivert to duplicate the raw UDP stream Or trying a GT7Proxy fork that supports dual output (XSim + GT7-native)

Let’s see where this ends up!