From owner-freebsd-chat Sat Jul 17 22:50:24 1999 Delivered-To: freebsd-chat@freebsd.org Received: from venus.GAIANET.NET (venus.GAIANET.NET [207.211.200.51]) by hub.freebsd.org (Postfix) with ESMTP id 0C5DF14DDE; Sat, 17 Jul 1999 22:50:22 -0700 (PDT) (envelope-from vince@venus.GAIANET.NET) Received: from localhost (vince@localhost) by venus.GAIANET.NET (8.9.3/8.9.3) with ESMTP id WAA20287; Sat, 17 Jul 1999 22:50:14 -0700 (PDT) (envelope-from vince@venus.GAIANET.NET) Date: Sat, 17 Jul 1999 22:50:14 -0700 (PDT) From: Vincent Poy To: "Brian F. Feldman" Cc: Matthew Dillon , sthaug@nethelp.no, tim@storm.digital-rain.com, freebsd-chat@FreeBSD.org Subject: Re: poor ethernet performance? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, 18 Jul 1999, Brian F. Feldman wrote: > On Sat, 17 Jul 1999, Matthew Dillon wrote: > > > : Hmmm, how did you do the measurement and how big of a file does it > > :need? > > : > > : With a 122MByte file, it only does 2644Kbytes/sec. This is > > :between two Pentium II 450 machines with Intel Pro100+ NICs. > > > > 2.6 MB/sec is what I would expect if you were running the test > > over an ssh link on a fast cpu - the encryption eats a lot of cpu. But > > a normal rcp or ftp or data transfer can easily do 9-10 MBytes/sec. > > Just to refute that... I get almost 2Mb/s over lo0 with ssh. This is > with standard compression/decompression and idea encryption/decryption. > Since this has to run both ends, my K6-2 350 is really doing 4Mb/s or > higher (take into account lo0 overhead.) I'd expect a P6 (II, whatever) > running at at 450 to beat that, by around 15%. Hmmm, I can understand getting 2Mb/s over ssh but I never figured out how to transfer files using ssh yet. It's just that with ftp, file transfers should be a lot quicker than that between 100Mbps Full Duplex FreeBSD machines. Cheers, Vince - vince@MCESTATE.COM - vince@GAIANET.NET ________ __ ____ Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ] GaiaNet Corporation - M & C Estate / / / / | / | __] ] Beverly Hills, California USA 90210 / / / / / |/ / | __] ] HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message