From owner-freebsd-net  Sun Aug 27 11:37:17 2000
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Date: Sun, 27 Aug 2000 11:37:09 -0700
From: Alfred Perlstein <bright@wintelcom.net>
To: Ping Yuan <yuanpinghh@yahoo.com>
Cc: freebsd-net@FreeBSD.ORG
Subject: Re: Setting buffer size.
Message-ID: <20000827113709.C1209@fw.wintelcom.net>
References: <20000827174129.15742.qmail@web1607.mail.yahoo.com>
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* Ping Yuan <yuanpinghh@yahoo.com> [000827 10:34] wrote:
> Hi,
> 
> I am now using Freebsd 3.2 as a router. I noticed that
> when the router was busy, more packets would be
> dropped. What I want to do is to have a larger buffer
> size, then, less packets will be dropped.
> 
> It seems freeBSD should have a configuration of its
> total buffer size. Can you point me to this code?
> 
> Thanks in advance,

See "man loader" 

           kern.ipc.nmbclusters
                         Set the number of mbuf clusters to be allocated.  The
                         value cannot be set below the default determined when
                         the kernel was compiled.  Modifies NMBCLUSTERS.

-Alfred


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