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Date:      Tue, 27 Dec 2011 01:54:31 +0100
From:      Pawel Tyll <ptyll@nitronet.pl>
To:        freebsd-ipfw@freebsd.org, freebsd-net@freebsd.org
Subject:   Firewall Profiling.
Message-ID:  <1498545030.20111227015431@nitronet.pl>

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Hi lists,

Are  there any profiling tools in the system or ports that would allow
me  to  determine how much processing is being done per packet and how
long  does  it  take? I would like to predict possible PPS load for my
system and perhaps locate and remove some bottlenecks.

Is  IPFW  efficient  enough  to  firewall  2x10GE  (in+out) interfaces
without  much  latency  increase,  when  running  on  modern  hardware
with Intel NICs? Majority of processing tasks would probably be setfib
according to matches in tables.

Pawel.





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