pete wright nomadlogic at
Fri Jan 5 10:23:40 PST 2007

On 1/5/07, Eugene Grosbein <eugen at> wrote:
> Hi!
> I'm trying to meashure network throughput between two 6.2-PRERELEASE boxes,
> basically get maximim IP packets per second transmitted/received.
> Tried to use iperf from ports in UDP mode with 64 byte payload,
> but it calls gettimeofday() after each write and gives me about 80Kpps only
> for Pentium D 2.8Ghz.
> What alternative should I use? May be, a netgraph node?

I've done some benchmarking/testing of 10gig-e NIC's using a combo of
iperf/netgraph and ttcp with good results.  all are available in


Pete Wright
NYC's *BSD User Group

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