From owner-freebsd-questions  Tue Oct  3 22:46:49 2000
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Date: Tue, 3 Oct 2000 22:46:34 -0700
From: "Crist J . Clark" <cjclark@reflexnet.net>
To: Fengping Li <fli@post.its.mcw.edu>
Cc: Kirk Brogdon <kirk@alaptech.com>, freebsd-questions@FreeBSD.ORG
Subject: Re: arp messages
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Reply-To: cjclark@alum.mit.edu
References: <20001003103436.A17606@bsd1.alaptech.com> <Pine.SOL.3.96.1001003151924.20075A-100000@post.its.mcw.edu>
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In-Reply-To: <Pine.SOL.3.96.1001003151924.20075A-100000@post.its.mcw.edu>; from fli@post.its.mcw.edu on Tue, Oct 03, 2000 at 03:22:28PM -0500
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On Tue, Oct 03, 2000 at 03:22:28PM -0500, Fengping Li wrote:
> On Tue, 3 Oct 2000, Kirk Brogdon wrote:
> 
> > Date: Tue, 3 Oct 2000 10:34:36 -0800
> > From: Kirk Brogdon <kirk@alaptech.com>
> > To: freebsd-questions@FreeBSD.ORG
> > Subject: arp messages
> > 
> > I get these "arp: 192.168.x.x is on rl0 but got reply from 
> > <mac> on fxp0" quite often.  Is something actually wrong or are 
> > these just informational?  Everything seems to be working okay. 
> > 
> > rl0 is my lan interface and fxp0 is the outside interface 
> > (cable modem).  I have the natd_interface parameter pointed at 
> > fxp0 in rc.conf.
>
> It happens when two cards with diffrent network plug into one hub.
> It still works but it is annoying.

And is a broken configuration.

If that is your problem, do not plug two NICs into one collision
domain. It can break things and will always reduce network
throuhgput. 
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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