[erlang-questions] Beginner: Windows UDP multicast receive

[mog]

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I believe you are missing {active, false}.

On my gnu/linux box the following works
~    {ok, Socket} = gen_udp:open(Port, [binary, {active, false}, 
{reuseaddr, true}, {ip, Addr}, {add_membership, {Addr, LAddr}}]),

hope this helps
mog
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