From owner-freebsd-net@FreeBSD.ORG Thu May 7 06:00:25 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DF7A4106566C for ; Thu, 7 May 2009 06:00:25 +0000 (UTC) (envelope-from bob@veznat.com) Received: from mail.ttora.com (mail.ttora.com [208.75.243.236]) by mx1.freebsd.org (Postfix) with ESMTP id 9C6D78FC19 for ; Thu, 7 May 2009 06:00:25 +0000 (UTC) (envelope-from bob@veznat.com) DomainKey-Signature: s=two; d=veznat.com; c=nofws; q=dns; h=X-MID:X-IronPort-AV:X-IronPort-AV:Received:User-Agent: Date:Subject:From:To:CC:Message-ID:Thread-Topic: Thread-Index:In-Reply-To:Mime-version:Content-type: Content-transfer-encoding; b=r497wiEwfvcctY4vc4osD6D97pFwnArihQiMP84ZBGv4DSgNI9FNXB4e K0ShgX04chxMXBe+Z9F2Z32OiHCPVrRdIN9w9kl33VMlSRmETnkZiYTgP sgfFoXoCKYOI92gWf7Mta62Cs+xLZCsjxPS57OU5H60+6Hld7o+Ncfi00 0=; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=veznat.com; i=bob@veznat.com; q=dns/txt; s=one; t=1241676025; x=1273212025; h=from:sender:reply-to:subject:date:message-id:to:cc: mime-version:content-transfer-encoding:content-id: content-description:resent-date:resent-from:resent-sender: resent-to:resent-cc:resent-message-id:in-reply-to: references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:list-owner:list-archive; z=From:=20Bob=20Van=20Zant=20|Subject:=20R e:=20IPv6=20duplicate=20address=20detection|Date:=20Wed, =2006=20May=202009=2023:00:19=20-0700|Message-ID:=20|To:=20=20JINMEI=20Tatuya=20/ =20=3D?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=3D?=3D=20=0D=0A =20|CC:=20"freebsd-net@freebsd.org "=20|Mime-version:=201.0 |Content-transfer-encoding:=207bit|In-Reply-To:=20; bh=B9+fN9uAsE0wzz9uN+49ZUWzpYYP+/e1quYfbsVAqKs=; b=LTpEMTG9Wak1j8rzcdgpvHXZo5O4dlEa4OHed4pJqnaPD3ox33ZQ1wMl M+d7s78na3l0SBetvqlFsbAfhVgnD1nBemx1Hb2quMtFQ7W/VxuRhq4qV HBPy3ymktQ4Ks1CwbiOUFMmlvmtjhJ/YpWlKcSyoDYgFlKp3gQEn+PF9z A=; X-MID: 1019703 X-IronPort-AV: E=McAfee;i="5300,2777,5607"; a="1019703" X-IronPort-AV: E=Sophos;i="4.40,307,1239001200"; d="scan'208";a="1019703" Received: from c-24-5-4-92.hsd1.ca.comcast.net (HELO [192.168.1.172]) ([24.5.4.92]) by mail.ttora.com with ESMTP/TLS/DES-CBC3-SHA; 06 May 2009 23:00:23 -0700 User-Agent: Microsoft-Entourage/12.15.0.081119 Date: Wed, 06 May 2009 23:00:19 -0700 From: Bob Van Zant To: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?= Message-ID: Thread-Topic: IPv6 duplicate address detection Thread-Index: AcnO2Rmhd1iSmPAaeEGIJXkB4NI3yg== In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="ISO-2022-JP" Content-transfer-encoding: 7bit Cc: "freebsd-net@freebsd.org" Subject: Re: IPv6 duplicate address detection X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2009 06:00:26 -0000 Well that goes all the way back to my first email :-) "An alternative view on this is that I shouldn't be sending out any packets, especially unsolicited NAs, using or referencing a tentative address." This makes sense. I'll stop doing bad things now :-) Thanks for your input and clearing this up for me. -Bob On 5/6/09 10:47 PM, "JINMEI Tatuya / 神明達哉" wrote: > At Wed, 06 May 2009 17:17:52 -0700, > Bob Van Zant wrote: > >> I guess that changes my question quite a bit. If you randomly fire off an >> unsolicited NA right after configuring an interface should that cause a DAD >> failure? > > Actually, in that case you shouldn't send out the NA in the first > place because you're in the middle of DAD, trying to confirming the > uniqueness of the target address. If you want to send an unsolicited > NA for an address on which DAD is performed for any reason, you should > wait until DAD is completed. > > --- > JINMEI, Tatuya > Internet Systems Consortium, Inc. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"