When I establish a new Art-Net connection, I understand that the Sub-Net and Universe correspond to the 256 different Port-Addresses possible.
However, I do not understand what the first field “Net” is corresponding to and in the Vista Manual this field is not shown in the picture of the pop up.
Also, what Art-Net version is Vista using?
1 Like
Sub-Net: A group of 16 consecutive universes (not to be confused with the subnet mask). An ArtNet network carrying 256 DMX universes will be organized into sixteen subnets, each with sixteen universes.
Thank you for your reply.
This is a copy out of the official Art-Net Documentation and I think that is what I already said in my initial post.
I have been reading some more this weekend and from what I understand since Art-Net v2 the Port-Addresses are made up of Net, Sub-Net and Universe. However according to the Art-Net Documentation there should be a total of 128 Nets (128 x 16 x 16 = 32768 Port-Addresses) in the vista there are only 16 possible Nets (0-15).
The latest versions of R4 and R5 support Artnet 4.
Your understanding of the Nets, Subnets and Universes is correct.
I would take a bet that our “add broadcast” popup window has an error in what it deems is an acceptable number in that numeric input field. IE using the same rules as the other two.
Nobody is using more than 256 universes in reality today (but it’s fast approaching).
I have however made a comment / log to check that valid numeric entry in the net 
1 Like
@Till I can confirm my suspicions were correct.
It is a stupid bug in the “add broadcast” window that does not allow a value above 15.
If however you are unicasting to Nets above 15 they would be reported and supported correctly in the connect universes window .
It’s logged as #5974.
It’s a simple fix so we will attempt to get this fix rolled into the next public release of Vista
Your inquisitiveness found a bug.
Well played!
@jack.moorhouse Thx for your reply. I don’t think this is a urgent issue. I just stumbled across it while I was going deeper in to the subject of Art-Net
It’s too late now
