Does FreeBSD issue messages about MAC/IP conflicts?

Glen Barber glen.j.barber at gmail.com
Sun Jan 3 23:43:50 UTC 2010


On Sun, Jan 3, 2010 at 6:40 PM, Yuri <yuri at 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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