From owner-freebsd-questions  Sun Sep 24 22: 9:41 2000
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Date: Sun, 24 Sep 2000 22:09:34 -0700
From: "Crist J . Clark" <cjclark@reflexnet.net>
To: Sean-Paul Rees <sean@seanrees.com>
Cc: questions@FreeBSD.ORG
Subject: Re: arp:  00:0a:27:b1:2a:10 is using my IP address 0.0.0.0!
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In-Reply-To: <20000924102153.A13708@seanrees.com>; from sean@seanrees.com on Sun, Sep 24, 2000 at 10:21:53AM -0700
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On Sun, Sep 24, 2000 at 10:21:53AM -0700, Sean-Paul Rees wrote:
> I keep getting these messages in my system log:
> 
> arp: 00:0a:27:b1:2a:10 is using my IP address 0.0.0.0!
> arp: 00:0a:27:b1:2a:10 is using my IP address 0.0.0.0!
> arp: 00:0a:27:b1:2a:10 is using my IP address 0.0.0.0!
> arp: 00:0a:27:b1:2a:10 is using my IP address 0.0.0.0!
> 
> This only happens from one machine, 00:0a:27:b1:2a:10, and only when it
> reboots. It is an iMac DV-SE running OS 9.04. It requests its IP via DHCP.
> None of my other DHCP clients manage to cause this message.
> 
> Should I be worried about this, and is there a way to stop it?

I'd worry about why the FreeBSD machine reporting these messages seems
to believe it owns 0.0.0.0. That is not a valid host IP and should
never be used as a network either.
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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