From owner-freebsd-net@FreeBSD.ORG Mon Apr 9 23:54:18 2012 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 68EB5106564A for ; Mon, 9 Apr 2012 23:54:18 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from nk11p00mm-asmtp006.mac.com (nk11p00mm-asmtp006.mac.com [17.158.161.5]) by mx1.freebsd.org (Postfix) with ESMTP id 49A768FC08 for ; Mon, 9 Apr 2012 23:54:18 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII Received: from cswiger1.apple.com (unknown [17.209.4.71]) by nk11p00mm-asmtp006.mac.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPSA id <0M2800ESCIA3GY40@nk11p00mm-asmtp006.mac.com> for net@freebsd.org; Mon, 09 Apr 2012 22:54:04 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.6.7498,1.0.260,0.0.0000 definitions=2012-04-09_03:2012-04-09, 2012-04-09, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=6.0.2-1012030000 definitions=main-1204090283 From: Chuck Swiger In-reply-to: Date: Mon, 09 Apr 2012 15:54:03 -0700 Message-id: <06F637C5-E9A5-402B-98FE-B87E7088A5FE@mac.com> References: <20120409125922.GA38663@onelab2.iet.unipi.it> <3E121686-49C9-4F64-94B6-E628912BAFBA@mac.com> To: Randy Bush X-Mailer: Apple Mail (2.1084) Cc: Luigi Rizzo , FreeBSD Net Subject: Re: dummynet dummy 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: Mon, 09 Apr 2012 23:54:18 -0000 On Apr 9, 2012, at 3:27 PM, Randy Bush wrote: >> Try "ipfw pipe show" instead.... > > thanks! You're most welcome. > now to figure out what all that means. especially worried about the > queue length, as will be using varying delays in an experiment. Well, you should look at your bandwidth-delay product and adjust the queue size appropriately.... Regards, -- -Chuck