On Sun, Nov 28, 2004 at 12:51:21PM -0800, Tony Lee wrote: > When I use broadcast ping, > > ping -b 10.0.0.255 will generate 8 replies from the same ip addres, > since we have 8 x 1gige network interfaces from the same linux > system on the same subnet. (video application). > > Anyone know how to correct this behavior? Problem: A broadcast ping doesn't generate any ARPs. It sends a packet to FF:FF:FF:FF:FF:FF which is picked up by the network card and it's the network stack that responds. > I can filter the incoming arp requestion from the driver level, > but am looking for a lazy "echo 1 > /proc/.... " type of solution. Setting icmp_echo_ignore_broadcasts will stop it responding to broadcast pings, it'll still receive the packets though... Hope this helps, -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a > tool for doing 5% of the work and then sitting around waiting for someone > else to do the other 95% so you can sue them.
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