From owner-freebsd-net@FreeBSD.ORG Tue Dec 11 08:37:05 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6159316A41A for ; Tue, 11 Dec 2007 08:37:05 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outV.internet-mail-service.net (outV.internet-mail-service.net [216.240.47.245]) by mx1.freebsd.org (Postfix) with ESMTP id 4A00D13C467 for ; Tue, 11 Dec 2007 08:37:05 +0000 (UTC) (envelope-from julian@elischer.org) Received: from mx0.idiom.com (HELO idiom.com) (216.240.32.160) by out.internet-mail-service.net (qpsmtpd/0.40) with ESMTP; Tue, 11 Dec 2007 00:37:04 -0800 X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e Received: from julian-mac.elischer.org (home.elischer.org [216.240.48.38]) by idiom.com (Postfix) with ESMTP id 7EC12126C70; Tue, 11 Dec 2007 00:37:03 -0800 (PST) Message-ID: <475E4C2C.5060308@elischer.org> Date: Tue, 11 Dec 2007 00:37:00 -0800 From: Julian Elischer User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031) MIME-Version: 1.0 To: rihad References: <475D6FD7.2000500@mail.ru> <20071210120353.B40679@xorpc.icir.org> <475DA624.4010104@seclark.us> <475E1E4D.4090409@mail.ru> <20071211074353.GI11310@server.vk2pj.dyndns.org> <475E4AC4.4030903@mail.ru> In-Reply-To: <475E4AC4.4030903@mail.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Peter Jeremy , freebsd-net@freebsd.org Subject: Re: Pipe queues 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, 11 Dec 2007 08:37:05 -0000 rihad wrote: > Peter Jeremy wrote: >> On Tue, Dec 11, 2007 at 09:21:17AM +0400, rihad wrote: >>> And if I _only_ want to shape IP traffic to given speed, without >>> prioritizing anything, do I still need queues? This was the whole point. >> >> No you don't. I'm using pipes without queues extensively to simulate >> WANs without bothering with any prioritisation. >> > > Great! One fine point remains, though: > # ipfw pipe 1 config bw 128Kbit/s > will use a queue of 50 slots by default. What good are they for, if I > didn't ask for queuing in the first place? You can't limit throughput unless you have somewhere to put the packets that arrive to quickly. Unless you just want to throw away any packet that gets to you a little too quickly? ... I didn't think so. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"