From owner-freebsd-questions Mon Jan 17 14:52: 7 2000 Delivered-To: freebsd-questions@freebsd.org Received: from lsmls02.we.mediaone.net (lsmls02.we.mediaone.net [24.130.1.15]) by hub.freebsd.org (Postfix) with ESMTP id D861814E53 for ; Mon, 17 Jan 2000 14:52:02 -0800 (PST) (envelope-from alex@montenegro.com) Received: from alex (we-24-130-80-236.we.mediaone.net [24.130.80.236]) by lsmls02.we.mediaone.net (8.8.7/8.8.7) with SMTP id OAA16640 for ; Mon, 17 Jan 2000 14:51:56 -0800 (PST) From: "Aleksandar Obradovic" To: Subject: Gateway throughput issues Date: Mon, 17 Jan 2000 14:47:56 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0024_01BF60F9.D7513590" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 X-MS-TNEF-Correlator: Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_0024_01BF60F9.D7513590 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit I just got a new cable modem for my home network, so I set up one machine with FreeBSD 3.4 as a gateway running ipfw with open policy, and IP aliasing with natd. I am getting a big drop in throughput after implemented this. Originally, my peer Win98 computer that was connected directly to the cable modem was reading 35 Kb/sec download rate from ftp.freebsd.org site. After going through my Gateway the rate dropped to 8-10 Kb/sec. I went through the mailing list archives and the only thing I could find was to avoid cheap NE2000 clone cards which I am currently using. However, I can't believe that cards alone would be the cause for this drop in throughput. What could I do to remedy this? I am running FreeBSD 3.4 as a gateway Pentium 200 2 GB IDE drive 32 MB RAM Cable Modem is Plugged into ISA NE2000 clone Another LinkSYS PCI NE2000 connects this machine to my network hub I am running cache only DNS on this machine I have 3 other computers with various OS's connected to my hub. I am also running lots of services and apps on this gateway including Apache, mysql, NFS server, SAMBA, X windows on and off, etc. My question is: 1) How can I get the highest throughput via this gateway? 2) Should I strip this machine of all extra apps and services except IP aliasing and IPFW and DNS? 3) Would adding more RAM make much difference? 4) Are my network cards sufficient for providing high throughput for 2 simultaneous Internet users? 5) Am I missing anything here? 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