From owner-freebsd-hackers@FreeBSD.ORG Sun Jan 3 23:43:50 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 7F5481065693 for ; Sun, 3 Jan 2010 23:43:50 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: from mail-fx0-f227.google.com (mail-fx0-f227.google.com [209.85.220.227]) by mx1.freebsd.org (Postfix) with ESMTP id 158F68FC0C for ; Sun, 3 Jan 2010 23:43:49 +0000 (UTC) Received: by fxm27 with SMTP id 27so354845fxm.3 for ; Sun, 03 Jan 2010 15:43:41 -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=A7N5DEFhivJxvvT20S8jXVXP5JylYhap3q59LVL0cIc=; b=lCxZ3r37DtX+p8YtTqk1HbYesujgNA461ArIahJSsve4gXYtgYADzEQr8HeloiBZQv LsqFjIAKHPf8CNMJYMIlTMNweLc+Wsev6DS5gegqnEkn9l0PAn2y6dzGMMma0pRe6GAy r9VqDuz8GrrjHruw8vOkSlrzHQX/2xqj29lOA= 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=dJpzwC0sqnp8MEQY0sCmMl5/0M7BHgGJa4T/pxpvgxLqHmulWVVfFQn1b7oUC5NtKk AmCKSvYiZjmW0rjkMEm8b1j2vk6I86ik4W47Pbd1aD5UXUqtbrlsazRdIK7jNXE1mwnf mJImKPr90um9ti77mpGurPjn+cw4T31Cy0CUM= MIME-Version: 1.0 Received: by 10.223.101.152 with SMTP id c24mr13069669fao.95.1262562221660; Sun, 03 Jan 2010 15:43:41 -0800 (PST) In-Reply-To: <20100103154049.208253lht7g43go4@webmail.rawbw.com> References: <20100103154049.208253lht7g43go4@webmail.rawbw.com> Date: Sun, 3 Jan 2010 18:43:41 -0500 Message-ID: <4ad871311001031543j16aa7aa3la35be5897bb9c490@mail.gmail.com> From: Glen Barber To: Yuri Content-Type: text/plain; charset=ISO-8859-1 Cc: 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: Sun, 03 Jan 2010 23:43:50 -0000 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. -- Glen Barber