From owner-freebsd-net@FreeBSD.ORG Sun Feb 1 22:23:51 2015 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3FC7D526 for ; Sun, 1 Feb 2015 22:23:51 +0000 (UTC) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [46.4.40.135]) by mx1.freebsd.org (Postfix) with ESMTP id 03680D38 for ; Sun, 1 Feb 2015 22:23:51 +0000 (UTC) Received: from [192.168.135.70] (unknown [94.19.235.70]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 016B35C002 for ; Mon, 2 Feb 2015 01:23:27 +0300 (MSK) Message-ID: <54CEA776.1040505@FreeBSD.org> Date: Mon, 02 Feb 2015 01:23:50 +0300 From: Lev Serebryakov Reply-To: lev@FreeBSD.org Organization: FreeBSD User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: freebsd-net@freebsd.org Subject: Does "setfib" in ipfw forces to re-route packet? Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 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, 01 Feb 2015 22:23:51 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 "man 8 ipfw" doesn't state, that setting new fib on "out" packet (whrn routing decision is done and output interface is known) change routing decision: ""The packet is tagged so as to use the FIB (routing table) fibnum in any subsequent forwarding decisions."" But according to ip_output.c (around line 527) "setfib" FORCES to make NEW decision! Do I read sources right? Maybe, wording in ipfw(8) should be changed? - -- // Lev Serebryakov AKA Black Lion -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQJ8BAEBCgBmBQJUzqd0XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRGOTZEMUNBMEI1RjQzMThCNjc0QjMzMEFF QUIwM0M1OEJGREM0NzhGAAoJEOqwPFi/3EePNOAQALejRnxFP9P/PO8hitto6vfj hFFQho21+gNcs67xfkX1kNmG0qmHhjV7OGcWjW6+Dm7ZBRRU2CHcWPIKPVHDBZ/t /aZNg1B4res23Q8Q2dSlAxGGeumkWESwZtfN1L8nR2TGt/ZWrBLNpc3ORgVC2hXv 6pA9cIsK4lzYFbanDgKqlbOWYubWv6gdtsfz/eOO1huX4z5b94XU3tc6a9c9WnFv E7EzxdNyPN4s9+Wcp/IABYa6VzhPIYV9BzYvJ/Tvx31CK6VPC8kxu9JFXsGaC5f4 hPiOdBqTuj78UcE1IxjDgca3G6QkmthNqQwt0B9JtlRJBT+ZhguK+RgbJAdmtPGA vmbwQJM0mCVh5Y9CSjlbV5SJRbYAKJ6SWF06C9vIDDVRWgpqO991DDRAkQgYzT2g rzps0/FT4h42FDsfvZmfMO8INqdSrosrRW69BkoXgMriWTd41Tm8n1Yhcc8Q8Fei Dy5HGlv2K25iwolnICFGEPgxARFS9HU4xsJ41Ca7GB+icgJGd2EwYYTBBDFMHCSs J3hqrDesDz+oTyFdcZZUPbktpNuVyXG1INA5AZBVR7vKuzXKRHxC/Yo/scgMeyXF iERcfnU2F7eUdO6WnWJwGzVUigXoYNrI5j1HBngBZ3gRMl3XlIIZE7jnVC50awrK HPvYMPd+LJoF4SYQcTaC =Poez -----END PGP SIGNATURE-----