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

Ingo Flaschberger if at
Tue Jul 1 01:36:07 UTC 2008

Dear Rudy,

> I used polling in FreeBSD 5.x and it helped a bunch.  I set up a new router 
> with 7.0 and MSI was recommended to me.  (I noticed no difference when moving 
> from polling -> MSI, however, on 5.4 polling seemed to help a lot.  What are 
> people using in 7.0?
> polling or MSI?

if you have a inet-router with gige-uplinks, it is possible that there 
will be (d)dos attacks.
only polling helps you then to keep the router manageable (but dropping 

Kind regards,
 	Ingo Flaschberger

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