sACN, RDM, EOS, Hog - Why don´t they like each other?

Hi there,

did the setup worked in the end? And did you edited something?

An other question to starksk : Do you think that the Per-Channel Priority could intervene in a setting like that?

I know that Hog4 can toggle Per-Channel Priority on and of. But i never checked it.

Maybe i give it a try some day.

Maybe Paule  can again tell the detailed priority settings that where made.

Hi there,

did the setup worked in the end? And did you edited something?

An other question to starksk : Do you think that the Per-Channel Priority could intervene in a setting like that?

I know that Hog4 can toggle Per-Channel Priority on and of. But i never checked it.

Maybe i give it a try some day.

Maybe Paule  can again tell the detailed priority settings that where made.

Eos has per-address (per-channel) priority always on. Hog 4 can enable/disable/adjust priorities as a setting in the console setup but it is off by default. It is possible that the combination of per-address and per-universe settings were interacting negatively, but the bigger issue is likely the flood of traffic going everywhere on the network as broadcast without IGMP snooping enabled.

ArtNet is a broadcast protocol so it will send out data and everyone on the network gets it and then decides to do something with it or drop the packet. sACN is a multicast protocol so that only those who are interested in the specific universes will get the data if the switch has IGMP snooping enabled to know which end-devices are interested in which universes. Without that enabled, again every device will get all of the universes of information and it will be up to the end device to determine if it is interested in that data or not.

Receiving packets of information that you aren't interested in requires processing time and power to determine what it is and that you're not interested which can negatively affect response and operations if there is more time spent ignoring packets than using them.

So in that case, while having ArtNet and sACN on the same Network, it could (but may wouldn't) be draining more Traffic and Ressources because of ArtNet most likely is Broadcast?

Yes, depending on how much traffic is there and any other settings in the switch, it is possible that a large amount of ArtNet could affect devices in the same subnet, even with IGMP snooping enabled so they are only getting the sACN they are interested in. It's all about balance.

I see. Thanks a lot for the compressed small information jet.

I think i do need to get some more schooling with thinks like that.

But i do have a good feeling on my way since you made it quite understandable.

Thank you very much.

I recommend checking out our Network Design guides (available here: Network Design - Electronic Theatre Controls Inc) for more information too.