From owner-freebsd-net Tue Apr 30 14: 0:48 2002 Delivered-To: freebsd-net@freebsd.org Received: from msgbas2.cos.agilent.com (msgbas2x.cos.agilent.com [192.25.240.37]) by hub.freebsd.org (Postfix) with ESMTP id 9BCE437B417 for ; Tue, 30 Apr 2002 14:00:28 -0700 (PDT) Received: from msgrel1.cos.agilent.com (msgrel1.cos.agilent.com [130.29.152.77]) by msgbas2.cos.agilent.com (Postfix) with ESMTP id 14AF311DD; Tue, 30 Apr 2002 15:00:28 -0600 (MDT) Received: from axcsbh2.cos.agilent.com (axcsbh2.cos.agilent.com [130.29.152.144]) by msgrel1.cos.agilent.com (Postfix) with SMTP id DC872439; Tue, 30 Apr 2002 15:00:27 -0600 (MDT) Received: from 130.29.152.144 by axcsbh2.cos.agilent.com (InterScan E-Mail VirusWall NT); Tue, 30 Apr 2002 15:00:27 -0600 Received: by axcsbh2.cos.agilent.com with Internet Mail Service (5.5.2653.19) id <262CMP4V>; Tue, 30 Apr 2002 15:00:27 -0600 Message-ID: <0D9185CE635BD511ACA50090277A6FCF03880866@axcs18.cos.agilent.com> From: "DOROVSKOY,IGOR (A-Portsmouth,ex1)" To: "'gfr@lucent.com'" , freebsd-net@freebsd.org Subject: RE: Problems with nge driver and copper GbE cards Date: Tue, 30 Apr 2002 15:00:24 -0600 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" 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 >Did anybody knows why copper GbE cards are so slow? Both copper and Fiber >GbE cards are in the same kind of PCI slot and identical machines. The extra >memory on GA620 should not cause 40-50% difference in my opinion. It seems like this is "nge" driver of other problem, may be hardware... In my experiments (year ago under 3.x) I got the same results for copper vs. fiber using the same "ti" driver in netperf tests GA620 (fiber) vs. GA620T (copper). Regards, Igor ua3qrz To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message