Remote camera disconnects constantly

I have a iPhone 6 Plus being used with an iPad as a remote camera. The network infrastructure is all Apple AirPort, and other Bonjour services (AirPrint, AirPlay) work great on our network. The camera connects and shows a preview image, but before we can even grab a single frame it disconnects. We literally haven’t been able to shoot a single frame so far. Very frustrating. Any ideas?