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Outputting sACN about lxdmxethernet_library HOT 3 CLOSED

faulder avatar faulder commented on July 19, 2024
Outputting sACN

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Comments (3)

claudeheintz avatar claudeheintz commented on July 19, 2024

Just added a DMX to Network example. On my home network, I couldn't get either an old w5100 based ethernet shield or a newer w5500 ethernet shield 2 to send multicast packets. They both unicast SACN without a problem, however.

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claudeheintz avatar claudeheintz commented on July 19, 2024

Apparently the ethernet shield sends out of network packets to the gateway. (By definition, multicast addresses do not have a network component.) My home network router does not forward multicast packets sent by the ethernet shield. The workaround is to use broadcast instead of multicast and send sACN packets to the network's broadcast address, 192.168.1.255.

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faulder avatar faulder commented on July 19, 2024

Thanks very much Claude!

I've still got to do a bit more testing but the library is very intuitive and I've had no issues with broadcasting over a network. Thanks also for the investigation regarding multicast, that's much appreciated.

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