From owner-freebsd-net@FreeBSD.ORG Thu Jul 2 15:31:52 2009 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 E8B87106566C for ; Thu, 2 Jul 2009 15:31:52 +0000 (UTC) (envelope-from lab@gta.com) Received: from mailgate.gta.com (mailgate.gta.com [199.120.225.20]) by mx1.freebsd.org (Postfix) with SMTP id 4AB128FC20 for ; Thu, 2 Jul 2009 15:31:51 +0000 (UTC) (envelope-from lab@gta.com) Received: (qmail 97271 invoked by uid 1000); 2 Jul 2009 15:31:51 -0000 Date: Thu, 2 Jul 2009 11:31:51 -0400 From: Larry Baird To: Barney Cordoba Message-ID: <20090702153151.GB93332@gta.com> References: <806553.16497.qm@web63903.mail.re1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <806553.16497.qm@web63903.mail.re1.yahoo.com> User-Agent: Mutt/1.4.2.3i Cc: freebsd-net@freebsd.org, Paul Thornton Subject: Re: Polling and kern.polling.idle_poll 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, 02 Jul 2009 15:31:53 -0000 > Curious as to why you don't simply lay out the $40 for a modern ethernet card that doesn't need polling to work well? These are low end embedded boxs. No way to upgrade. But in actuallity they have modern (fxp) NICS. From our testing, live lock is a real issue for gateways receiving lots of network traffic. Polling prevents live lock. Larry -- ------------------------------------------------------------------------ Larry Baird | http://www.gta.com Global Technology Associates, Inc. | Orlando, FL Email: lab@gta.com | TEL 407-380-0220, FAX 407-380-6080