> I am doing a project, in which i have to redirect traffic coming from > one ethernet card of a machine, to one of three remaining three ethernet > cards of same machine based on the src,dest IP and Port values of the > pkt. I wrote a net_hook module to do this which i working fine for lower > speeds like < 400 Mbps traffic. But project goal is to deal with gigabit > traffic. I have used gigabit ethernet cards and Switch. But when the > traffic rate is more than 400Mbps it is dropping packets. I did test, > by increasing the transmit queue length. But same problem is coming. I > have found during the pkt drop there is no memory or CPU is hundred > percently utilised. So, what can be the resource that is lacking while > dropping of pkts is happend. Are you using NAPI? What is the CPU utilization when packets start being dropped? I route full GE worth of traffic on a low-end machine without a problem. -alex - : 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
