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Date:      Thu, 29 Dec 2005 23:10:55 +0100
From:      Markus Oestreicher <m.oe@x-trader.de>
To:        freebsd-net@freebsd.org
Subject:   Routing SMP benefit
Message-ID:  <43B45EEF.6060800@x-trader.de>
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Currently running a few routers on 5-STABLE I have read the
recent changes in the network stack with interest.

A few questions come to my mind:

- Can a machine that mainly routes packets between two em(4)
interfaces benefit from a second CPU and SMP kernel? Can both
CPUs process packets from the same interface in parallel?

- From reading the lists it appears that net.isr.direct
and net.ip.fastforwarding are doing similar things. Should
they be used together or rather not?

Thank you!

Markus
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