From owner-freebsd-net@FreeBSD.ORG Thu May 26 01:32:29 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DF86D16A420 for ; Thu, 26 May 2005 01:32:28 +0000 (GMT) (envelope-from french.linuxian@gmail.com) Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0E9B643D4C for ; Thu, 26 May 2005 01:32:27 +0000 (GMT) (envelope-from french.linuxian@gmail.com) Received: by zproxy.gmail.com with SMTP id 12so834957nzp for ; Wed, 25 May 2005 18:32:27 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=Kjy/tiPIQV7AvgLYzvCdlhR4BQ+66BWBt5PEflXgMZJSBRO4332Jd6UL7PnknaYW0bf5R2r6Wx2z3E0dljKN1TDfW5m6G06IYJI6xn5AbCY5X3NeGk7YeBaxFzW3mBlw8PBiCLgqP283F8idZDtBvlHqMR0ERTwtycMX7jaaMLg= Received: by 10.36.3.12 with SMTP id 12mr418690nzc; Wed, 25 May 2005 18:32:27 -0700 (PDT) Received: by 10.36.58.12 with HTTP; Wed, 25 May 2005 18:32:27 -0700 (PDT) Message-ID: <3727392705052518326f1893f1@mail.gmail.com> Date: Wed, 25 May 2005 21:32:27 -0400 From: Aziz Kezzou To: freebsd-net , freebsd-hackers Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Cc: Subject: weird NFS problem ? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Aziz Kezzou List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 May 2005 01:32:29 -0000 Hi all, I am experiencing a weird problem while mounting nfs files.=20 Configuration : - NFS client : FreeBSD 5.3 running on QEMU, IP =3D 192.168.0.2 - NFS server : FC3, the host, IP =3D 192.168.0.1 Firewalling:=20 absolutely everything is authorized from 192.168.0.2 on 192.168.0.1 Problem : some UDP ports on 192.168.0.2 are unreachable without any reason I know of= ?!! Command: arwen# mount -t nfs 192.168.0.1:/home/akezzou/pfe/cvs /mnt/host [udp] 192.168.0.1:/home/akezzou/pfe/cvs: RPCPROG_MNT: RPC: Timed out [udp] 192.168.0.1:/home/akezzou/pfe/cvs: RPCPROG_MNT: RPC: Timed out Tcpdump output : [root@eowyn bin]# /usr/sbin/tcpdump -i tun0 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on tun0, link-type EN10MB (Ethernet), capture size 96 bytes 21:04:51.560121 IP 192.168.0.2.675 > 192.168.0.1.sunrpc: UDP, length 56 21:04:51.561806 arp who-has 192.168.0.2 tell 192.168.0.1 21:04:51.564088 arp reply 192.168.0.2 is-at 52:54:00:12:34:56 21:04:51.564118 IP 192.168.0.1.sunrpc > 192.168.0.2.675: UDP, length 28 21:04:51.570214 IP 192.168.0.2.1117046890 > 192.168.0.1.nfs: 40 null 21:04:51.570368 IP 192.168.0.1.nfs > 192.168.0.2.1117046890: reply ok 24 nu= ll 21:04:51.575164 IP 192.168.0.2.954 > 192.168.0.1.sunrpc: UDP, length 56 21:04:51.576338 IP 192.168.0.1.sunrpc > 192.168.0.2.954: UDP, length 28 21:04:51.581561 IP 192.168.0.2.621 > 192.168.0.1.650: UDP, length 108 21:05:04.528129 IP 192.168.0.1.650 > 192.168.0.2.621: UDP, length 68 21:05:04.530154 IP 192.168.0.2 > 192.168.0.1: icmp 36: 192.168.0.2 udp port 62 1 unreachable 21:06:01.613750 IP 192.168.0.2.1006 > 192.168.0.1.sunrpc: UDP, length 56 21:06:01.616083 IP 192.168.0.1.sunrpc > 192.168.0.2.1006: UDP, length 28 21:06:01.622336 IP 192.168.0.2.1117192688 > 192.168.0.1.nfs: 40 null 21:06:01.626734 IP 192.168.0.1.nfs > 192.168.0.2.1117192688: reply ok 24 nu= ll 21:06:01.637315 IP 192.168.0.2.843 > 192.168.0.1.sunrpc: UDP, length 56 21:06:01.641915 IP 192.168.0.1.sunrpc > 192.168.0.2.843: UDP, length 28 21:06:01.646715 IP 192.168.0.2.792 > 192.168.0.1.650: UDP, length 108 21:06:06.614378 arp who-has 192.168.0.2 tell 192.168.0.1 21:06:06.615755 arp reply 192.168.0.2 is-at 52:54:00:12:34:56 21:06:16.682754 IP 192.168.0.1.650 > 192.168.0.2.792: UDP, length 68 21:06:16.684556 IP 192.168.0.2 > 192.168.0.1: icmp 36: 192.168.0.2 udp port 79 2 unreachable 21:07:11.659900 IP 192.168.0.2.764 > 192.168.0.1.sunrpc: UDP, length 56 21:07:11.662292 IP 192.168.0.1.sunrpc > 192.168.0.2.764: UDP, length 28 21:07:11.668228 IP 192.168.0.2.1117147813 > 192.168.0.1.nfs: 40 null 21:07:11.671916 IP 192.168.0.1.nfs > 192.168.0.2.1117147813: reply ok 24 nu= ll 21:07:11.676171 IP 192.168.0.2.693 > 192.168.0.1.sunrpc: UDP, length 56 21:07:11.683197 IP 192.168.0.1.sunrpc > 192.168.0.2.693: UDP, length 28 21:07:11.688238 IP 192.168.0.2.958 > 192.168.0.1.650: UDP, length 108 21:07:16.660731 arp who-has 192.168.0.2 tell 192.168.0.1 21:07:16.661668 arp reply 192.168.0.2 is-at 52:54:00:12:34:56 =20 Any hint is greatly appreciated. thanks, -aziz