Instead of searching through the web I tought I ask directly the source.
Here few statements from Theo de Raadt:

Q: what is the actual device support status of openBSD compared to other 
BSD distros ?

A:We support every single device driver they support and more. 
Especially when it comes to gigabit devices -- we are leading in this 
field, no longer following.

Q: openBSD is not famous for networking speed, can you give me a 
statement on this regards ?

A: What a few people are noticing is some mbuf-related performance 
things hitting the network stack.  It is a whole bunch of small related 
issues. We are getting them resolved bit by bit.

Q: can we expect that the upcoming release 3.8 will have those problems 
solved ?

A: Of course.  That is just the way we develop stuff -- careful 
evolution instead of radical revolutions that often break things for 
other projects.

Q: do you have any references on openBSD being used in productive 
firewalls ?

A: openBSD appears to be good enough for genua.de to build their product
line out of it.
Simply notice that the German government is using a heck of a lot
of Genua products, all based on OpenBSD... and older releases, even.


-- 



	best regards

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Daniele Guazzoni
Senior Network Engineer, CCNA, CCNP

Ackersteinstrasse 203
CH-8049 Zurich
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"Destiny is not a matter of chance, it is a matter of choice;
it is not a thing to be waited for, it is a thing to be achieved."
					William Jennings Bryan