From owner-freebsd-net Fri Oct 12 11:45:19 2001 Delivered-To: freebsd-net@freebsd.org Received: from iguana.aciri.org (iguana.aciri.org [192.150.187.36]) by hub.freebsd.org (Postfix) with ESMTP id 8E25237B40B for ; Fri, 12 Oct 2001 11:45:17 -0700 (PDT) Received: (from rizzo@localhost) by iguana.aciri.org (8.11.3/8.11.1) id f9CIgAI21150; Fri, 12 Oct 2001 11:42:10 -0700 (PDT) (envelope-from rizzo) From: Luigi Rizzo Message-Id: <200110121842.f9CIgAI21150@iguana.aciri.org> Subject: Re: strange results with increased net.inet.ip.intr_queue_maxlen In-Reply-To: <20011012143302.A8938@ddm.wox.org> from Dave Chapeskie at "Oct 12, 2001 2:33: 2 pm" To: freebsd@ddm.wox.org (Dave Chapeskie) Date: Fri, 12 Oct 2001 11:42:10 -0700 (PDT) Cc: mike@sentex.net, freebsd-net@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > On Fri, Oct 12, 2001 at 11:56:32AM -0400, Mike Tancsa wrote: > > Is it better to drop > > packets when the queue is full and let the various applications behind me > > figure it out, or is it better to add some latency at the network layer so > > the apps dont have to deal with it. > > If you find yourself hitting the queue limit I'd suggest using RED or > GRED with ipfw to drop packets more intelligently before the hard limit we are talking about a different queue here, which is not managed by ipfw (now you are actually giving me an idea on adding this feature...) cheers luigi ----------------------------------+----------------------------------------- Luigi RIZZO, luigi@iet.unipi.it . ACIRI/ICSI (on leave from Univ. di Pisa) http://www.iet.unipi.it/~luigi/ . 1947 Center St, Berkeley CA 94704 Phone: (510) 666 2927 ----------------------------------+----------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message