Hog4 PC spitting out FixtureNet and HogNet

Hey there,
At my work we are running an ART-Net network which runs down to some wall patches in various halls which can be used in various combinations.

When we are running two Hog PCs connected on the same network one of the PCs will attempt to connect to the show server on the other, which is not our desired effect, it will not allow us to load another show from the file directory when this happens.

My understanding is that this occurs because HogNet and FixtureNet is output from the network card on the same port. These are small PCs with only one network card. I am wondering if there is a way to disable the HogNet server