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Multicast route table entry


I cant manage joining a multicast group (using the net package) by using
setsockopt(..., IP_ADD_MEMBERSHIP, ..., ...)

It seems linked to the fact that there is no route table entry for
multicast.

I tried adding the entry though something a call like this:
	ioctl(socket, SIOCADDRT, &route)
but I can't find out the good way of filling the ecos_rtentry structure.

Does anyone know how to proceed to use multicast in eCos ?

Regards,
Arnaud.


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