On Tue, Aug 28, 2001 at 03:18:28PM -0600, David Stevens wrote: > > [removed linix-kernel in CC] > > SIOCADDMULTI is how you join an IP level multicast group (IP Class D > addresses 224.0.0.0-239.255.255). > For lower layer traffic, you'll have to use BPF or something like it. Since > your host likely won't have that Ethernet > multicast address in its NIC filter, you'll also want to put the interface > in promiscuous mode. Much cleaner and more efficient than promisc mode would be to use the PACKET_ADD_MEMBERSHIP/PACKET_DROP_MEMBERSHIP socket options. See the packet(7) manpage. -Andi - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
