Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

[Mike Tancsa]

At 04:04 AM 6/29/2008, Paul wrote:
>This is just a question but who can get more than 400k pps 
>forwarding performance ?
>I have tested fbsd 6/7/8 so far with many different configs. (all 
>using intel pci-ex nic and SMP)
>fbsd  7-stable/8(current) seem to be the fastest and always hit this 
>ceiling of 400k pps.  Soon as it hits that I get errors galore.

In your testing of current, or even RELENG_7, did you ever solve the 
problem of

http://www.freebsd.org/cgi/query-pr.cgi?pr=123621&cat=kern
that you also ran into in a previous thread ?  I wonder if the 
generation of all those seemingly bogus RTM_MISS messages is 
hampering performance.

         ---Mike