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Date:      Mon, 05 Oct 2009 23:03:31 +0500
From:      rihad <rihad@mail.ru>
To:        Julian Elischer <julian@elischer.org>
Cc:        Eugene Grosbein <eugen@kuzbass.ru>, Luigi Rizzo <rizzo@iet.unipi.it>, freebsd-net@freebsd.org
Subject:   Re: dummynet dropping too many packets
Message-ID:  <4ACA34F3.60901@mail.ru>
In-Reply-To: <4ACA335C.2060806@elischer.org>
References:  <4AC8A76B.3050502@mail.ru>	<20091005025521.GA52702@svzserv.kemerovo.su>	<20091005061025.GB55845@onelab2.iet.unipi.it>	<4AC9B400.9020400@mail.ru>	<20091005090102.GA70430@svzserv.kemerovo.su>	<4AC9BC5A.50902@mail.ru>	<20091005095600.GA73335@svzserv.kemerovo.su> <20091005100446.GA60244@onelab2.iet.unipi.it> <4ACA26D4.2080102@elischer.org> <4ACA2BA6.40709@mail.ru> <4ACA335C.2060806@elischer.org>

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Julian Elischer wrote:
> rihad wrote:
>> Julian Elischer wrote:
>>> Luigi Rizzo wrote:
>>>
>>> Is it possible to know what sessions are losing packets?
>>>
>> Yes, of course, by running ipfw pipe show ;-)
>> There's one confusing thing, though: net.inet.ip.dummynet.io_pkt_drop 
>> isn't increasing while around 800-1000 packets per second are being 
>> dropped right now. And so "ipfw pipe show" Drp column wouldn't grow 
>> either. So it's either not dummynet dropping packets, or a bug (?).
> 
> 
> I suspect your interface queues.
> 

You mean in hardware? Any way to tweak those?



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