From owner-freebsd-hackers@FreeBSD.ORG Wed May 19 01:17:06 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 030A316A4CE for ; Wed, 19 May 2004 01:17:06 -0700 (PDT) Received: from gandalf.online.bg (gandalf.online.bg [217.75.128.9]) by mx1.FreeBSD.org (Postfix) with SMTP id 7347143D2F for ; Wed, 19 May 2004 01:17:04 -0700 (PDT) (envelope-from roam@ringlet.net) Received: (qmail 2174 invoked from network); 19 May 2004 08:07:45 -0000 Received: from office.sbnd.net (HELO straylight.m.ringlet.net) (217.75.140.130) by gandalf.online.bg with SMTP; 19 May 2004 08:07:44 -0000 Received: (qmail 59891 invoked by uid 1000); 19 May 2004 08:16:17 -0000 Date: Wed, 19 May 2004 11:16:17 +0300 From: Peter Pentchev To: "Dmitry A. Bondareff" Message-ID: <20040519081617.GE988@straylight.m.ringlet.net> Mail-Followup-To: "Dmitry A. Bondareff" , freebsd-hackers@freebsd.org References: <026201c43d69$b0d695d0$02010101@wall> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="69pVuxX8awAiJ7fD" Content-Disposition: inline In-Reply-To: <026201c43d69$b0d695d0$02010101@wall> User-Agent: Mutt/1.5.6i cc: freebsd-hackers@freebsd.org Subject: Re: IP frag need X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 May 2004 08:17:06 -0000 --69pVuxX8awAiJ7fD Content-Type: text/plain; charset=windows-1251 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 19, 2004 at 12:22:41PM +0600, Dmitry A. Bondareff wrote: > Hello hackers! >=20 > I have two office in the Internet. > And now I trying to make VPN between it. >=20 > I using mpd for it. >=20 >=20 > Client ---> (mtu=3D1500) FreeBSD (mtu=3D1024) =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D VPN over Internet > =3D=3D=3D=3D=3D=3D> (mtu=3D1024)FreeBSD (mtu=3D1500)---> WindowsNT >=20 > Client trying to use mounted disk from WindowsNT >=20 > 11.8.24.25 - WindowsNT > 11.8.11.1 - FreeBSD >=20 > tcpdump info: > 17:26:55.100097 11.8.24.25.139 > 11.8.11.1.1049: tcp 1460 (DF) > 17:26:55.100175 11.8.11.1 > 11.8.24.25: icmp: 11.8.11.1 unreachable - need > to frag (mtu 1024) (DF) > 17:26:57.287737 11.8.24.25.139 > 11.8.11.1.1049: tcp 1460 (DF) > 17:26:57.287813 11.8.11.1 > 11.8.24.25: icmp: 11.8.11.1 unreachable - need > to frag (mtu 1024) (DF) >=20 > As you can see IP frag needed, but WindowsNT don't want to do it. >=20 > What I cat do on FreeBSD box to solve the problem ?? If you are using a recent version of mpd, try putting the following line: set iface enable tcpmssfix in your bundle definition in mpd.conf. G'luck, Peter --=20 Peter Pentchev roam@ringlet.net roam@sbnd.net roam@FreeBSD.org PGP key: http://people.FreeBSD.org/~roam/roam.key.asc Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 No language can express every thought unambiguously, least of all this one. --69pVuxX8awAiJ7fD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAqxfR7Ri2jRYZRVMRAmzQAJ40Mls6g8ofe1luBN99AL488HVpogCfTngf /ZZUvwH8la6KjNsa/TfzUlM= =br6Y -----END PGP SIGNATURE----- --69pVuxX8awAiJ7fD--