From owner-freebsd-performance@FreeBSD.ORG Mon Jan 19 12:58:15 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4E4E916A4CE for ; Mon, 19 Jan 2004 12:58:15 -0800 (PST) Received: from gray.impulse.net (gray.impulse.net [207.154.64.174]) by mx1.FreeBSD.org (Postfix) with ESMTP id C1E4D43D5F for ; Mon, 19 Jan 2004 12:58:10 -0800 (PST) (envelope-from ted@impulse.net) Received: by gray.impulse.net (Postfix, from userid 1000) id 7A5FFD6; Mon, 19 Jan 2004 12:58:10 -0800 (PST) To: Eric Anderson References: <003c01c3de8d$d569edb0$471b3dd4@dual> <400BE749.2030009@centtech.com> <400C039B.6080403@expertcity.com> <400C0707.7050805@centtech.com> <400C3D24.3080503@expertcity.com> <400C403F.5000309@centtech.com> From: Ted Cabeen Organization: Impulse Internet Services Date: Mon, 19 Jan 2004 12:58:10 -0800 In-Reply-To: <400C403F.5000309@centtech.com> (Eric Anderson's message of "Mon, 19 Jan 2004 14:38:23 -0600") Message-ID: <874qurhd0d.fsf@gray.impulse.net> User-Agent: Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Reasonable Discussion, berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: Steve Francis cc: performance@freebsd.org cc: Willem Jan Withagen Subject: Re: Old SUN NFS performance papers. X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jan 2004 20:58:15 -0000 Eric Anderson writes: > Steve Francis wrote: > >> Eric Anderson wrote: >> >>> >>> I wasn't even sure where to start or stop snipping on this mail, >>> since it is all good stuff - so I didn't. :) Thanks for the great >>> info, and good explanations.. NFS+TCP is very nice, but I do >>> believe the UDP transport was faster on a handful of tests (however >>> I typically force use of TCP when I can).. >>> >>> One question - what does net.inet.ip.check_interface=0 do? >> >> >> >> makes FreeBSD not care if the interface a response comes in on is >> the same as the one a request did. Helps only if network topology is >> funky. > > > That's handy for a network like I have. What would also be handy, is > a sysctl like that for the client side - that tells FreeBSD to ignore > the fact that a response is coming from a different IP than what it > sent the request to. Yes, I know this is a security issue, and yes I > understand the ramifications. Nevertheless, I need it - unless there > is a way to tell redhat and solaris to always answer on the same > interface the request came in on.. You can do that with policy routing on Linux. See the ip command. I don't know about Solaris. -- Ted Cabeen Sr. Systems/Network Administrator Impulse Internet Services