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Date:      Mon, 05 Feb 2001 22:08:06 +0900
From:      Masachika ISHIZUKA <ishizuka@ish.org>
To:        freebsd-net@FreeBSD.ORG
Subject:   Re: packet loss when 'ipfw pipe list' with dummynet and bridge
Message-ID:  <20010205220806S.ishizuka@onion.ish.org>
In-Reply-To: <200102050638.f156cLN18603@iguana.aciri.org>
References:  <20010203132412V.ishizuka@onion.ish.org> <200102050638.f156cLN18603@iguana.aciri.org>

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>>> A better approach would probably be to set a semaphore before
>>> starting, and release it at the end, and keep interrupts enabled
>> 
>>   As I set "net.inet.ip.dummynet.expire=0", if it will affect
>> only to ip addresses founded newly when a semaphore is introduced,
>> I'll be happy.
> 
> not clear what you mean, but in any case that variable will not help
> solving the problem that you are having.
> net.inet.ip.dummynet.expire only controls when flow descriptors
> are deleted, but they are always deleted when the system runs out
> of space, and new ones are always created when necessary.

  I am happy if no loss happened for bridged packets.
  I keep the system not run out and no flow descriptors is deleted
because I collect traffic stats for my ip address range. I can accept
that the flow descriptors just now created are not reported.

-- 
ishizuka@ish.org


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