On Tue, Apr 17, 2012 at 11:11 AM, Marc Herbert <marc.herb...@gmail.com> wrote:
> Back to your problems: it is very difficult to force Linux to send packets > outside and back to itself. That's because it is a massive waste of > resources and loss of performance. Fortunately this has been discussed > already here and elsewhere; Google is your friend. See for instance: > http://serverfault.com/questions/127636/force-local-ip-traffic-to-an-external-interface Another option is Julian Anastasov’s Send-to-Self patch for the kernel: http://www.ssi.bg/~ja/#loop This is lower-overhead than iptables rules, at the price of compiling your own kernel.. FWIW, I missed the loopback issue to, and was about to also suggest arp_filter. Drew ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev _______________________________________________ Iperf-users mailing list Iperf-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/iperf-users