From owner-freebsd-net@FreeBSD.ORG Thu Aug 2 16:32:18 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 89A6D16A418 for ; Thu, 2 Aug 2007 16:32:18 +0000 (UTC) (envelope-from anderson@more.net) Received: from betaray.spg.more.net (betaray.spg.more.net [207.160.133.137]) by mx1.freebsd.org (Postfix) with ESMTP id 5DFBE13C46A for ; Thu, 2 Aug 2007 16:32:18 +0000 (UTC) (envelope-from anderson@more.net) Received: by betaray.spg.more.net (Postfix, from userid 1000) id 8EC6A1A065A; Thu, 2 Aug 2007 11:32:11 -0500 (CDT) Date: Thu, 2 Aug 2007 11:32:11 -0500 From: "Eric L. Anderson" To: Robert Watson Message-ID: <20070802163211.GI27098@more.net> References: <20070720145932.GP6053@more.net> <20070720180546.X39675@fledge.watson.org> <20070721104525.44603382@localhost> <20070721040009.GB21336@more.net> <20070721202327.T83919@fledge.watson.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070721202327.T83919@fledge.watson.org> User-Agent: Mutt/1.5.11 Cc: freebsd-net@freebsd.org Subject: Re: Max NFS mounts for a FreeBSD client? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2007 16:32:18 -0000 On Sat, Jul 21, 2007 at 08:24:09PM +0100, Robert Watson wrote: > On Fri, 20 Jul 2007, Eric L. Anderson wrote: > > >I can not change lowfirst to any higher amount. I did change lowlast from > >600 to 1 and now I can mount more than 1000 NFS mounts. This is great but > >what kind of side effects am I introducing by making this change? > > The risk, btw, is that those reserved ports may no longer be available for > other use, as they may collide with other services you might want to have, > especially if those services want to bind INADDR_ANY. I had a look at the manpage for mount_nfs and the default is to use a reserved socket port number. There is also the option to not use a reserved socket port number ("-N") and that has taken care of our problem. -- Eric L. Anderson anderson@more.net