From owner-freebsd-questions Tue Apr 6 7:12:49 1999 Delivered-To: freebsd-questions@freebsd.org Received: from wolf.com (ns1.wolf.com [207.137.58.20]) by hub.freebsd.org (Postfix) with ESMTP id F0FC0151AA for ; Tue, 6 Apr 1999 07:12:47 -0700 (PDT) (envelope-from dan@wolf.com) Received: (from dan@localhost) by wolf.com (8.9.1/8.9.1) id HAA22123 for freebsd-questions@freebsd.org; Tue, 6 Apr 1999 07:13:36 -0700 Date: Tue, 6 Apr 1999 07:13:36 -0700 From: dan@wolf.com To: freebsd-questions@freebsd.org Subject: Diagnosing slow Ethernet transfers on 2.2.8 Message-ID: <19990406071336.C21854@ns.wolf.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I'm looking for suggestions on diagnosing slow network transfers into/out of my FreeBSD 2.2.8 machine. This is a Celeron 300A (with cache) with 256 MB RAM, 8 GB Ultra DMA drive, 4.5 GB Ultra SCSI drive connected to an Adaptec 2940U, and a generic NE2000 clone ISA card. It's running as a web server and supports anonymous FTP. The reason I'm concerned about my transfer speed is that the machine is supposed to be sitting on a 10 MB connection into a bank of routers connected to 4 DS-3's, but I'm not able to transfer more than about 1.2 Mbits/second. Even with the el-cheapo NIC I'd expect to be able to move at least 4-5 Mbits/sec. I'd like to determine whether the bandwidth limit is occuring on my side (due to bad kernel build, bad hardware, or whatever) or whether my ISP is throttling my bandwidth below the 10 Mbits I'm supposed to be getting. I haven't seen any really unexpected numbers in vmtat, systat, or iostat (at least, not unexpected to my untrained eye). Any pointers on tests to run/things to look at? Dan Mahoney dan@wolf.com -- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message