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From: paul@xciv.org (Paul Civati)
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Subject: Re: Tuning for router performance
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In article <MDEHLPKNGKAHNMBLJOLKEEKADDAB.davids@webmaster.com>,
	davids@webmaster.com ("David Schwartz") writes:

>> options         HZ=1000         #for polling
> That's too low. 2000 is the minimum you should consider.

Having fixed my traffic generator, I'm now hitting ~220Kpps as limit
before errors.

> kern.random.sys.harvest.ethernet=0
> kern.random.sys.hervest.interrupt=0

Doesn't seem to make any real difference in my test.

> kern.ipc.nmbclusters="262144"
> vm.kmem_size="536870912"
> vm.kmem_size_max="536870912"

These don't really make any difference, I'm guessing would only help 
larger packet sizes?

-Paul-