From owner-freebsd-net@FreeBSD.ORG Thu Nov 30 21:21:46 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D8A8F16A4D8 for ; Thu, 30 Nov 2006 21:21:46 +0000 (UTC) (envelope-from Kirk.Davis@epsb.ca) Received: from Exchange22.EDU.epsb.ca (exchange22.epsb.ca [198.161.119.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 67A9F44018 for ; Thu, 30 Nov 2006 21:16:27 +0000 (GMT) (envelope-from Kirk.Davis@epsb.ca) Received: from Exchange21.EDU.epsb.ca ([10.0.5.118]) by Exchange22.EDU.epsb.ca with Microsoft SMTPSVC(6.0.3790.1830); Thu, 30 Nov 2006 14:16:33 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Date: Thu, 30 Nov 2006 14:16:33 -0700 Message-ID: <04C71268DFDAA8499EC1A248A44B6A2B0855B202@Exchange21.EDU.epsb.ca> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: What does the net.inet.ip.fastforwarding sysctl do? Thread-Index: AccUxM+XHCeHh9VZQeGOQFZLm/6aRg== From: "Kirk Davis" To: X-OriginalArrivalTime: 30 Nov 2006 21:16:33.0283 (UTC) FILETIME=[CF9F7D30:01C714C4] Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: What does the net.inet.ip.fastforwarding sysctl do? 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, 30 Nov 2006 21:21:46 -0000 Hi, I have am setting up a router that needs to handle a lot of traffic. I am using a Dell 2950 that I have added Intel Gig cards into (em). This server will be running quagga (for BGP) and also use a couple of IPFW FWD rules to forward packets to another host. In order to get the forwarding speed I need I have turned on the sysctl variable net.inet.ip.fastforwarding=3D1 What is the ramifications of this? Will it still work with routing software like quagga or allow IPFW to still forward packets? ---- Kirk