Problem
An UR-C audio interface (UR22C, UR44C, UR816C) cannot be controlled via dspMixFx UR-C on an iPhone or iPad, even though the devices are connected to a 'Network Interface' selected in the dspMixFx Remote Bridge Setup application.
Background
If two or more network interfaces are selected in dspMixFx Remote Bridge Setup on macOS, only the first network interface can be used.
In the example shown below, dspMixFx Remote Bridge will only work with 'en0'.
Solution
The update V1.0.1 for the dspMixFx Remote Bridge solves this issue and can be downloaded on the UR-C download page.