socket.setMulticastTTL(ttl)
-
ttl
<Number> Integer
Sets the IP_MULTICAST_TTL
socket option. While TTL generally stands for "Time to Live", in this context it specifies the number of IP hops that a packet is allowed to travel through, specifically for multicast traffic. Each router or gateway that forwards a packet decrements the TTL. If the TTL is decremented to 0 by a router, it will not be forwarded.
The argument passed to to socket.setMulticastTTL()
is a number of hops between 0 and 255. The default on most systems is 1
but can vary.
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