I'll just point out that my Multicast understanding is a bit tenuous.
Lev Olshvang wrote:
Evening all,
But if I change the interface IP address to other network, these
packets are ignored at IP layer (data link layer got it since RX
count is running according to ifconfig )
I have tcp ip forwarding set to 1 and application sets multicast
socket option to join the multicast group.
Did you change the IP address after the socket is up? Multicast needs to
perform some handshaking before it can start sending data, and this
handshake might be done only at the "start".
Also, I would start the debugging by running a sniffer and seeing
whether the packets actually leave the machine, and if so, with what
destination MAC address.
Shachar
--
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com
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