From owner-freebsd-virtualization@freebsd.org Mon Nov 16 19:58:08 2015 Return-Path: Delivered-To: freebsd-virtualization@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 CAADEA30905 for ; Mon, 16 Nov 2015 19:58:08 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-wm0-x22d.google.com (mail-wm0-x22d.google.com [IPv6:2a00:1450:400c:c09::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 863FE125C for ; Mon, 16 Nov 2015 19:58:08 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: by wmec201 with SMTP id c201so194896684wme.0 for ; Mon, 16 Nov 2015 11:58:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=DYCC5kkj5I0GkLbpWwvWBfglB7tlit5/gJ00j0/Y3XQ=; b=tCHL3geG7SmOxN4QYXI5F+5J2IVyvGDTFdMgDwnPiYnR97naANsoaYNO3QDjfJlRyY TWjd0RFlglB9EarnVhPlRQK+ct6FH8iI23PsQeZ6/K42Z4RmGxoW24U1Hcl/Jgh0Uzth 46zzntBqT6tO/14UI82Ah0TuRjWy58pOMv5gwlMkqCV1H5vCdP0TML6G3+f+TmszlDYj iAFa1UMq+exa7YjL2rYExSXt9ssAX3silC4mHjtiROUZPE9Mc3LFxZa0K4QddMEVgbBJ O0pYztGWOnXlP99CRnrEM1Py4SK07DPbZgmWg7hLoZO/XMHUI8YLxzI3VL+ZczWzoMOH bTlw== MIME-Version: 1.0 X-Received: by 10.28.222.4 with SMTP id v4mr22410113wmg.67.1447703885934; Mon, 16 Nov 2015 11:58:05 -0800 (PST) Received: by 10.194.16.231 with HTTP; Mon, 16 Nov 2015 11:58:05 -0800 (PST) In-Reply-To: <6a9f7105dedf4af79f2e8d02d36f3a6c@SERVER.ad.usd-group.com> References: <7ac3a4411ec04711bec75cab3a68ae81@SERVER.ad.usd-group.com> <6a9f7105dedf4af79f2e8d02d36f3a6c@SERVER.ad.usd-group.com> Date: Mon, 16 Nov 2015 13:58:05 -0600 Message-ID: Subject: Re: vm-bhyve port upgrade From: Adam Vande More To: Matt Churchyard Cc: FreeBSD virtualization Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Nov 2015 19:58:09 -0000 On Mon, Nov 16, 2015 at 9:34 AM, Matt Churchyard wrote: > > I am now looking at actually implementing static macs for all interfaces, > as I=E2=80=99d rather guests saw the same mac address every run just in c= ase they > tie configuration to the mac (important for vm-bhyve as simply starting > guests in a different order will change what tap devices they get). Also > tap/slot/func isn=E2=80=99t much of a uniqueness guarantee across multipl= e hosts. > > Yes, and udev treats MAC as ethX =3D MAC. So linux guests using static ip'= s will be quite broken unless some more fiddling is done. Static MAC's aren't the only way to handle this, but it's the best IMO. --=20 Adam