From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rcsinet10.oracle.com ([148.87.113.121]:21132 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932711Ab0ECPOC (ORCPT ); Mon, 3 May 2010 11:14:02 -0400 Message-ID: <4BDEE809.8060501@oracle.com> Date: Mon, 03 May 2010 11:13:13 -0400 From: Chuck Lever To: ftn768@gmail.com CC: Jack Byer , linux-nfs@vger.kernel.org Subject: Re: IPv6 and NFS4 References: <544oecoS23680S01.1272897953@web01.cms.usa.net> In-Reply-To: <544oecoS23680S01.1272897953@web01.cms.usa.net> Content-Type: text/plain; charset=US-ASCII; format=flowed Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On 05/03/2010 10:45 AM, Jack Byer wrote: > If I have an NFS4 server successfully sharing a directory with a client and > both machines have valid IPv4 and IPv6 addresses should it be possible to > mount the directory using either IPv4 or IPv6? Yes, that should work if nfs-utils-1.2.2 is built with --enable-tirpc and --enable-ipv6. > Both machines are running 2.6.34-rc6 kernels, nfs-utils-1.2.2, > libtirpc-0.2.0 and rpcbind-0.2.0. Mounting over IPv4 works perfectly, but > IPv6 just times out while trying to mount the share. Using tcpdump I see > that the two machines exchange 40 packets before the client finally gives > up. There are no messages generated in the system log or dmesg of either > machine. Are the IPv6 addresses correctly registered with DNS? Have you tried "mount.nfs4 ... -v" ? Or: $ sudo rpcdebug -m nfs -s mount will produce more syslogging. -- chuck[dot]lever[at]oracle[dot]com