From owner-freebsd-net@freebsd.org Sun Jul 22 19:54:15 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4CEE7105445B for ; Sun, 22 Jul 2018 19:54:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id D661A823EE for ; Sun, 22 Jul 2018 19:54:14 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 994EA105445A; Sun, 22 Jul 2018 19:54:14 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 719B31054459 for ; Sun, 22 Jul 2018 19:54:14 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E62CC823EA for ; Sun, 22 Jul 2018 19:54:13 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 2A17D212FA for ; Sun, 22 Jul 2018 19:54:13 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w6MJsD6F057033 for ; Sun, 22 Jul 2018 19:54:13 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w6MJsDmq057032 for net@FreeBSD.org; Sun, 22 Jul 2018 19:54:13 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 229957] [epair] MAC addresses all the same, no randomness Date: Sun, 22 Jul 2018 19:54:13 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: ipfilter, regression, vimage X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: ohartmann@walstatt.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Jul 2018 19:54:15 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229957 --- Comment #7 from O. Hartmann --- Added your patch as suggested: FreeBSD 12.0-CURRENT #254 r336614M: Sun Jul 22 21:33:36 CEST 2018 amd64 It seems all epairs created via jail.conf as described in this PR, now with applied patch and without the additional "ether" option of ifconfig(8) have sufficiently randomised MACs: [...] epair3b: flags=3D8943 metr= ic 0 mtu 1500 options=3D8 ether 02:48:e2:b0:8c:0b groups: epair=20 media: Ethernet 10Gbase-T (10Gbase-T ) status: active epair52b: flags=3D8943 metr= ic 0 mtu 1500 options=3D8 ether 02:82:ad:29:54:0b groups: epair=20 media: Ethernet 10Gbase-T (10Gbase-T ) status: active epair10013b: flags=3D8943 m= etric 0 mtu 1500 options=3D8 ether 02:21:ef:9a:64:0b groups: epair=20 media: Ethernet 10Gbase-T (10Gbase-T ) status: active epair17b: flags=3D8943 metr= ic 0 mtu 1500 options=3D8 ether 02:2e:ef:e7:ab:0b groups: epair=20 media: Ethernet 10Gbase-T (10Gbase-T ) status: active epair10015b: flags=3D8943 m= etric 0 mtu 1500 options=3D8 ether 02:24:93:13:48:0b groups: epair=20 media: Ethernet 10Gbase-T (10Gbase-T ) status: active --=20 You are receiving this mail because: You are the assignee for the bug.=