From owner-freebsd-hackers@FreeBSD.ORG Mon Jan 4 02:53:13 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4A4731065670 for ; Mon, 4 Jan 2010 02:53:13 +0000 (UTC) (envelope-from outbackdingo@gmail.com) Received: from mail-yx0-f172.google.com (mail-yx0-f172.google.com [209.85.210.172]) by mx1.freebsd.org (Postfix) with ESMTP id 035C58FC15 for ; Mon, 4 Jan 2010 02:53:12 +0000 (UTC) Received: by yxe2 with SMTP id 2so334843yxe.7 for ; Sun, 03 Jan 2010 18:53:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=8n+dLcuLfPNZ+VqIedKGhkik6xyLM4SRqv1dMz6sxmI=; b=iqak0ehw843nd9hrlypZL07ITs8LNEb1Qa22KwWCkXto0c1xmVg3ZgofjpFd9ACu2c FS58Lcbo5Zp/1H5MqMTFNnIpyg7gSKfWH/q5NFf9ZQoYoRSsytYVEjD3Wgm+uk41erZK o7QaLHWLfqxPE0ngeWdj38+Q20uOlmvuYPaAg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=tOz9vn7fzh8xl5hddhcuBYnZd/atPCyJ/Dx17XGK3pXUSnYeglVywV6a9byRSNOb1G hVM8KiqfdUf5p6aHpITrv0AgvlPgk07Yne3GmVDa7J+v5ehVVWWPJZX9CtdxJJnx0OtR AmyS+bHs26gkx3rZEiYB+1VOVYoDwPJYtAjGs= MIME-Version: 1.0 Received: by 10.101.34.4 with SMTP id m4mr15450588anj.1.1262572206322; Sun, 03 Jan 2010 18:30:06 -0800 (PST) In-Reply-To: <4b414c25.b+RuSCrExOCUOAba%perryh@pluto.rain.com> References: <20100103154049.208253lht7g43go4@webmail.rawbw.com> <4ad871311001031543j16aa7aa3la35be5897bb9c490@mail.gmail.com> <4b414c25.b+RuSCrExOCUOAba%perryh@pluto.rain.com> Date: Sun, 3 Jan 2010 21:30:06 -0500 Message-ID: <5635aa0d1001031830v790842d1k19d49b2e927c2593@mail.gmail.com> From: Outback Dingo To: perryh@pluto.rain.com Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: yuri@rawbw.com, glen.j.barber@gmail.com, freebsd-hackers@freebsd.org Subject: Re: Does FreeBSD issue messages about MAC/IP conflicts? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jan 2010 02:53:13 -0000 my curiousity is howd he get duplicate mac addresses On Sun, Jan 3, 2010 at 9:02 PM, wrote: > Glen Barber wrote: > > On Sun, Jan 3, 2010 at 6:40 PM, Yuri 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" >