From owner-freebsd-stable@freebsd.org Sat Jan 9 05:10:54 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F3EB5A699FF for ; Sat, 9 Jan 2016 05:10:53 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail2.jnielsen.NET (webmail2.jnielsen.net [50.114.224.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "webmail2.jnielsen.net", Issuer "freebsdsolutions.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id DA3E119B5 for ; Sat, 9 Jan 2016 05:10:53 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from [192.168.2.210] (c-50-160-123-105.hsd1.ut.comcast.net [50.160.123.105]) (authenticated bits=0) by webmail2.jnielsen.NET (8.15.2/8.15.1) with ESMTPSA id u095AnaE089753 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 8 Jan 2016 22:10:52 -0700 (MST) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail2.jnielsen.NET: Host c-50-160-123-105.hsd1.ut.comcast.net [50.160.123.105] claimed to be [192.168.2.210] Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\)) Subject: Re: lagg(4) + VLAN + if_bridge(4) vs. ARP From: John Nielsen In-Reply-To: Date: Fri, 8 Jan 2016 22:10:48 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: FreeBSD stable X-Mailer: Apple Mail (2.3112) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jan 2016 05:10:54 -0000 > On Jan 8, 2016, at 2:52 PM, John Nielsen wrote: >=20 > I'm trying to troubleshoot a problem on a machine running recent = 10-STABLE. ... So in other words, plugging the external port into the = switch, creating a new "external" VLAN, adding both em0 and re0 into a = new LAGG and creating VLAN child interfaces off of that. >=20 > ... >=20 > So in the LAGG setup, why aren't the ARP replies going across bridge2 = to the VM? For the archives: this turned out to be operator error in the form of a = MAC address conflict between the lagg0 interface on the host and the = vtnet1 interface in the VM. JN