If you experience the frustum not moving around on the Virtual Production LED wall, but it is moving around on the Unreal Editor PC. The "broadcast" settings of the Vive tracker is not enable.
Step-by-step guide
When adding the Vive tracker via Live Link make sure the "Rebroadcast Subject" checkbox is selected when adding the XR Live Link Source.
Note: You may need to fully quit Unreal and re-open it for it to then work properly on the LED wall.
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