High Network Perfomance

[Luigi Rizzo]

On Fri, Aug 05, 2011 at 04:07:22PM -0300, Victor Detoni wrote:
> Hi Luigi,
> 
> Thanks for reply. That's great solution :) Will be integrated with pf or is
> it?

unfortunately i don't have the time to do it, but as said
in the thread it should not be terribly difficult.

cheers
luigi

> Thanks,
> Victor
> 
> On Thu, Aug 4, 2011 at 9:27 PM, Luigi Rizzo <rizzo at iet.unipi.it> wrote:
> 
> > On Thu, Aug 04, 2011 at 08:39:17PM -0300, Victor Detoni wrote:
> > > Hi Guys,
> > >
> > > I'm trying tunning a FreeBSD 8.2 to high perfomance network with pf. My
> > > server configuration is:
> > >
> > > Dell 1950
> > > CPU: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz (1995.03-MHz
> > K8-class
> > > CPU)
> > > 4 x CPU
> > > 2 NIC (<Broadcom NetXtreme II BCM5708 1000Base-T)
> > > 1 NIC (em0: <Intel(R) PRO/1000 Network Connection 7.1.9>)
> > >
> > > I want to reach the high processing of packets per second and use pf as
> > > synproxy and we still processor to handle others packets or flows.
> > >
> > > I know that em drivers has MULTI_QUEUE implementation that helps high
> > > performance for Intel drivers, but I couldn't see more information about.
> > We
> > > can reached 500k pps, but no more traffic was processed by this
> > interface.
> > >
> > > I've already enabled net.isr.direct but with Intel Drivers does not work
> > and
> > > the most processors are in System instead of Interrupts, why? When I
> > enable
> > > net.isr.direct the processing is balanced for on CPU in system and
> > another
> > > in interrupt and I reached 1M pps, but the total perfomance is down, the
> > > load grow up too fast.
> > >
> > > I've changed some parameter in sysctl for intel drivers, but it doesn't
> > have
> > > effect.
> > >
> > > Someone know what I can do to reach more packets performance? I want to
> > use
> > > this FreeBSD as a router/firewall only.
> >
> > if you feel like doing a bit of coding yourself, you could try netmap
> >
> > http://info.iet.unipi.it/~luigi/netmap/
> >
> > cheers
> > luigi
> >
> > > Thanks,
> > > Victor
> > > _______________________________________________
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> >
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