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Date:      Mon, 11 May 2009 18:55:41 +0200 (CEST)
From:      Oliver Fromme <olli@lurza.secnetix.de>
To:        freebsd-chat@FreeBSD.ORG, deeptech71@gmail.com
Subject:   Re: ping wars
Message-ID:  <200905111655.n4BGtffT004768@lurza.secnetix.de>
In-Reply-To: <4A084225.4060201@gmail.com>

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deeptech71@gmail.com wrote:
 > One day me and my roommate had some fun spamming eachother with icmp 
 > ping packets. FreeBSD vs Arch(?)Linux.

This depends a lot on the hardware, the network, and lots
of other things.

Also, I don't think the FreeBSD kernel is optimized for
high ICMP throughput.  There's no reason to do that,
because it's not really a real-world benchmark.  You
should better make some more real-world benchmarks such
as transferring files.  And make sure that you use
comparable hardware (including identical NICs, because
these can make a _huge_ difference).

Also make sure that you have a switched connection in full-
duplex mode.  Or even better, use a direct connection with
a "crossed" cable.

You might also want to play with polling or other tuning
parameters; please have a look at the tuning(7) manual page
and the Handbook.  Also make sure that you don't have any
packet filters installed (IPFW, IPF, PF).

Best regards
   Oliver

-- 
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606,  Geschäftsfuehrung:
secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün-
chen, HRB 125758,  Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart

FreeBSD-Dienstleistungen, -Produkte und mehr:  http://www.secnetix.de/bsd

C++: "an octopus made by nailing extra legs onto a dog"
        -- Steve Taylor, 1998



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