On 10/05/2013 17:14, Brian Call wrote:
Thanks for your help guys!
It would be most excellent to have that socket option turned off by
default. It would certainly make multicast receivers written in java
behave the same way across all the major platforms. Not sure why this
wasn't considered a bug in Linux and, in fact, it's vehemently
defended as absolutely adhering to the multicast spec.
There is a long history there.
One thing that isn't clear about IP_MULTICAST_ALL is whether there is an
equivalent for IPv6, that might need more investigation.
-Alan