From owner-freebsd-net@FreeBSD.ORG Tue Sep 29 19:13:30 2009 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4288C1065676 for ; Tue, 29 Sep 2009 19:13:30 +0000 (UTC) (envelope-from brett@lariat.net) Received: from lariat.net (lariat.net [66.119.58.2]) by mx1.freebsd.org (Postfix) with ESMTP id BAFEC8FC18 for ; Tue, 29 Sep 2009 19:13:29 +0000 (UTC) Received: from anne-o1dpaayth1.lariat.net (IDENT:ppp1000.lariat.net@lariat.net [66.119.58.2]) by lariat.net (8.9.3/8.9.3) with ESMTP id MAA21423 for ; Tue, 29 Sep 2009 12:55:09 -0600 (MDT) Message-Id: <200909291855.MAA21423@lariat.net> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Tue, 29 Sep 2009 12:54:53 -0600 To: net@freebsd.org From: Brett Glass Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Cc: Subject: ipfw gred parameters 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: Tue, 29 Sep 2009 19:13:30 -0000 I've been trying to determine the best parameters for gred ("gentle RED") to allow graceful bandwidth limiting in ipfw, but have found precious little guidance on the Web as to what the parameters mean. The code gives some hints, but I'm still uncertain: what parameters work best in a typical system? And how do the parameters submitted to "dummynet" correspond to the ones usually seen in descriptions of the algorithm? --Brett Glass