In order to receive multicast packet, ethernet device driver should pass the multicast packet to lwip of course.
Normally, the ethernet device driver doesn't turn on passing multicast packet by default. So I think you need to check whether ethernet device driver already passed multicast packet to lwip or not.
Thanks,
Joey
On Wed, Jul 23, 2008 at 5:43 AM, Alex Belyaev
<address@hidden> wrote:
Hi,
I have
one problem with receive multicast packets. I just cannt do it) In same time I normaly can
receive non-multicast packets. What additionally preferences I must do
for multicast?
PS. I certanly use IGMP to join the group.
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