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Date:      Sun, 3 Jan 2010 18:43:41 -0500
From:      Glen Barber <glen.j.barber@gmail.com>
To:        Yuri <yuri@rawbw.com>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Does FreeBSD issue messages about MAC/IP conflicts?
Message-ID:  <4ad871311001031543j16aa7aa3la35be5897bb9c490@mail.gmail.com>
In-Reply-To: <20100103154049.208253lht7g43go4@webmail.rawbw.com>
References:  <20100103154049.208253lht7g43go4@webmail.rawbw.com>

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On Sun, Jan 3, 2010 at 6:40 PM, Yuri <yuri@rawbw.com> wrote:
> I accidentally had two machines having the same wifi MAC address.
> Wifi router gave them both the same local IP address and they both could
> somewhat connect to the outside world, but connections were flaky.
>
> No messages about IP/MAC conflicts appeared in dmesg log.
>
> Vague memories from the long ago past remind me that Windows was issuing IP
> conflict messages in the local wired network.
>
> Why doesn't FreeBSD complain at leat about the IP conflict?
>

The last time I made the mistake of having two devices with the same
IP, I saw ARP messages in /var/log/messages as well as the system
console.  This was around 8.0-RC1, for what it's worth.



-- 
Glen Barber



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