MM6 ARTNET UNICAST on MAC M4 M6 ethernet ports
  • littlejohn
    junior Member
    Posts: 9
    Joined: Fri Nov 15, 2024 1:54 am

    MM6 ARTNET UNICAST on MAC M4 M6 ethernet ports

    by littlejohn » Thu Oct 29, 2026 2:48 am

    Hey guys, I am hitting my head against a wall with this one, I thought it was just with advatek hardware but I have just encountered this problem with Madrix Nebulas, and I have A LOT out in the wild so would love some feedback here!!
    I can broadcast artnet to devices absolutely fine, they work but obviously this isn't ideal for a large network, I never had any issues with the older M1 macs but all of a sudden I cannot send unicast data out!!!
    Wireshark on the port shows the artsync and artpoll packets, but no data.
    Is it just me or has someone else managed to make unicast work on their M4 and Later Macs with MM6?
    I can plug the exact same MM file into a windows laptop running MM6 and everything works wonderfully, I have had mixed results using a USB to ethernet adapter, Currently I can see the advatek pixlites or madrix nebulas when I poll the devices in the preferences but I cannot send data packets to them, if I switch over to broadcast then the devices receive.
    This has caused me problems on a few jobs and I have had to create workarounds involving isolated vlans just to segregate the broadcast traffic, Please tell me it isn't just me!
  • kurtroberts
    junior Member
    Posts: 1
    Joined: Fri Oct 30, 2026 6:04 pm

    Re: MM6 ARTNET UNICAST on MAC M4 M6 ethernet ports

    by kurtroberts » Fri Oct 30, 2026 6:08 pm

    It's not just you - we were basically forced to update a computer we're using in an installation to macos27.2 and it has completely broken unicast at this point. I get some data through on broadcast but it's a 50+ universe installation so that's not acceptable.

    Interesting to hear it's working on windows, that might be a possible fallback.

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