Date: Sun, 3 Jan 2010 21:30:06 -0500 From: Outback Dingo <outbackdingo@gmail.com> To: perryh@pluto.rain.com Cc: yuri@rawbw.com, glen.j.barber@gmail.com, freebsd-hackers@freebsd.org Subject: Re: Does FreeBSD issue messages about MAC/IP conflicts? Message-ID: <5635aa0d1001031830v790842d1k19d49b2e927c2593@mail.gmail.com> In-Reply-To: <4b414c25.b%2BRuSCrExOCUOAba%perryh@pluto.rain.com> References: <20100103154049.208253lht7g43go4@webmail.rawbw.com> <4ad871311001031543j16aa7aa3la35be5897bb9c490@mail.gmail.com> <4b414c25.b%2BRuSCrExOCUOAba%perryh@pluto.rain.com>
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my curiousity is howd he get duplicate mac addresses On Sun, Jan 3, 2010 at 9:02 PM, <perryh@pluto.rain.com> wrote: > Glen Barber <glen.j.barber@gmail.com> wrote: > > 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. > > ARP will notice when two different MAC addresses both claim the same > IP address, but to detect two different boxes both claiming the same > MAC/IP address pair would require some other way of identifying the > two boxes as different. > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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