From owner-freebsd-net@FreeBSD.ORG Fri Dec 23 23:25:06 2005 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 49B9E16A41F for ; Fri, 23 Dec 2005 23:25:06 +0000 (GMT) (envelope-from julian@elischer.org) Received: from a50.ironport.com (a50.ironport.com [63.251.108.112]) by mx1.FreeBSD.org (Postfix) with ESMTP id 57A6B43D5F for ; Fri, 23 Dec 2005 23:25:03 +0000 (GMT) (envelope-from julian@elischer.org) Received: from unknown (HELO [10.251.17.229]) ([10.251.17.229]) by a50.ironport.com with ESMTP; 23 Dec 2005 15:25:02 -0800 X-IronPort-Anti-Spam-Filtered: true Message-ID: <43AC874E.1010208@elischer.org> Date: Fri, 23 Dec 2005 15:25:02 -0800 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.11) Gecko/20050727 X-Accept-Language: en-us, en MIME-Version: 1.0 To: .@babolo.ru References: <1135377218.010275.56487.nullmailer@cicuta.babolo.ru> In-Reply-To: <1135377218.010275.56487.nullmailer@cicuta.babolo.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org, Matt Staroscik Subject: Re: Good gigabit NIC for 4.11? 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: Fri, 23 Dec 2005 23:25:06 -0000 "."@babolo.ru wrote: >>I've been Googling up a storm but I am having trouble finding >>recommendations for a good gigabit ethernet card to use with 4.11. The >>Intel part numbers I found in the em readme are a few years old now, and >>I can't quite determine how happy people are with other chipsets despite >>my searches. >> >>I'm looking for a basic PCI 1-port card with jumbo frame support if >>possible--I can live without it. Either way, stability is much more >>important than performance. >> >> >em for PCI32x33MHz works good up to 250Mbit/s, not more >em for PCI64x66MHz works up to about 500Mbit/s without polling > > with 2 em interfaces on pci-express, bridging between the two interfaces I can bridge 930Mbits/sec. That is with filterring using ipfw on the bridge, testing against a single table of 128000 entries. (dell 2850 plus an Intel quad gig card) I get the same thoughput even with the machine bypassed. I haven't tried two streams going in opposite directions to see if I can double that, but cpu usage is around 15% >and drops packets at about 250Mbit/s. >bge integrated in Tyan's dual opteron mobo works good >up to 500Mbit/s and may be more (CPU not 100% busy) > >_______________________________________________ >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" > >