FreeBSD 10G forwarding performance @Intel

Luigi Rizzo rizzo at
Tue Jul 3 16:35:49 UTC 2012

On Tue, Jul 03, 2012 at 08:11:14PM +0400, Alexander V. Chernikov wrote:
> Hello list!
> I'm quite stuck with bad forwarding performance on many FreeBSD boxes 
> doing firewalling.
> In most cases system can forward no more than 700 (or 1400) kpps which 
> is quite a bad number (Linux does, say, 5MPPs on nearly the same hardware).

among the many interesting tests you have run, i am curious
if you have tried to remove the update of the counters on route
entries. They might be another severe contention point.


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