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

Reply via email to