I am looking for sending PSN from multiple fixtures on the same network, but I am worried if this is “bad-practice” or
not intended. I am using a grandMA3 lightingdesk to receive the PSN as shown on the image: 
The sender-ip will keep switching between the two trackers, which looks wrong to me…. the data (x,y,z) is looking fine though.
Reading the documentation of PSN the default multicast IP is 236.10.10.10 and default port is 56565. How much may multicast-ip and port vary without the probability of a conflict with other protocols or systems? My thought was if it was bad-practice to have more trackers sending PSN to the same multicast IP and port, then each fixture could send to different IPs or ports, and if so, what would be the very maximum of unique IP’s and hence the maximum of fixture trackers on a single network/system?
I hope my explanation makes sense 🙂
Friendly regards, David