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Date:      Mon, 18 Feb 2002 23:13:11 -0800
From:      Luigi Rizzo <rizzo@icir.org>
To:        Girnet Vladimir <VGirnet@megadat.com>
Cc:        "'net@freebsd.org'" <net@FreeBSD.ORG>
Subject:   Re: network buffer problem
Message-ID:  <20020218231311.F24558@iguana.icir.org>
In-Reply-To: <8E9035BABCA0514EB0E574B6A7082FC305319C@sln01.megadat.com>
References:  <8E9035BABCA0514EB0E574B6A7082FC305319C@sln01.megadat.com>

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On Tue, Feb 19, 2002 at 09:00:42AM +0200, Girnet Vladimir wrote:
> > 
> OK, I use such rulez:
>  ipfw pipe 10 config bw 33600bit/s queue 5K
>  ipfw pipe 11 config bw 64Kbit/s queue 10K
>  ipfw pipe 12 config bw 128Kbit/s queue 15K
> 
>  and, the rule - ipfw add 500 pipe XX ip from any to a.b.c.d/e via fxp0 out
>  
>   after issue "ping -s 8192 a.b.c.d" , I got one reply and one ping: sendto:
> No buffer space available.

and what do you expect ? You are trying to put 8192+ byte packets
each second in a queue of 5k/10k/15k of size. The queue will quickly fill up
and this is why you get those responses.

	cheers
	luigi

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