From owner-freebsd-net@FreeBSD.ORG Sat Mar 25 13:19:54 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ADD0516A41F for ; Sat, 25 Mar 2006 13:19:54 +0000 (UTC) (envelope-from nospam@mgedv.net) Received: from mgedv.at (mail.mgedv.at [195.3.87.103]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0B08943D45 for ; Sat, 25 Mar 2006 13:19:53 +0000 (GMT) (envelope-from nospam@mgedv.net) Received: from metis (localhost [127.0.0.1]) by mgedv.at (SMTPServer) with ESMTP id AA52E186864 for ; Sat, 25 Mar 2006 14:19:51 +0100 (MET) From: "No@SPAM@mgEDV.net" To: Date: Sat, 25 Mar 2006 14:19:53 +0100 Message-ID: <000a01c6500e$cda08090$0a86a8c0@avalon.lan> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 In-Reply-To: <20060325142104.K72439@atlantis.atlantis.dp.ua> Thread-Index: AcZQCUuagUfSyXZMT9CvJl95rgELQQABLRvw Subject: RE: Which NIC is better: fxp or dc? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: nospam@mgedv.net List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Mar 2006 13:19:54 -0000 > Hello! > > Suppose you have to build a high-performance router with several NICs, > and you have to use a mix of D-Link DFE-570TX (21143, MII, quad port) served > by dc(4), and several Intel 82558/9/0 adapters served by fxp(4). Router > has to have 2-3 high-speed connections and several ones which lower speed > and packet rate. Which NIC (dc or fxp) would you recommend for high-speed > connections: dc or fxp? Which combo (NIC+driver) is more reliable? Which > gives higher performance (reliability for me is more significant than > performance)? Currently I'm using RELENG_4, but in the future I'll upgrade > to RELENG_6 (when it becomes mature enough), so I'm interested in the > state of affairs in both branches. we have good performance counters for both of them. for support and common usage reasons (more users mean more testing) we selected the fxp cards. as far as i know, there's currently a fxp panic issue in 6.1-BETA4, but i don't exactly know the details (maybe this is interesting for you). however, we're successfully running gateways with 10 physical interfaces being fxp-controlled. hope that helps!