From owner-freebsd-questions Sun Feb 4 12:15: 2 2001 Delivered-To: freebsd-questions@freebsd.org Received: from hera.drwilco.net (10dyn100.dh.casema.net [212.64.31.100]) by hub.freebsd.org (Postfix) with ESMTP id C064537B4EC; Sun, 4 Feb 2001 12:14:31 -0800 (PST) Received: from ceres.drwilco.nl (ceres.drwilco.net [10.1.1.19]) by hera.drwilco.net (8.11.2/8.11.1) with ESMTP id f14Kamo00473; Sun, 4 Feb 2001 21:36:55 +0100 (CET) (envelope-from drwilco@drwilco.nl) Message-Id: <4.3.2.7.0.20010204201824.00bd33c0@mail.bsdchicks.com> X-Sender: lists@mail.bsdchicks.com X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Sun, 04 Feb 2001 20:20:37 +0100 To: Julian Elischer , John Telford From: "Rogier R. Mulhuijzen" Subject: Re: Firewalling a PPPoE, any easy workaround to MTU on lan stations ? Cc: freebsd-net@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG In-Reply-To: <3A7D9DE0.CE10C046@elischer.org> References: <000501c08ed2$2e1c5920$3227e540@johnny2k> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 10:22 4-2-01 -0800, Julian Elischer wrote: >John Telford wrote: > > > > I'm putting a 4.2 R firewall in for a ppoe connection. (sympatico) > > Is there any workaround I can use so I don't have to reduce the MTU on all > > the internal stations ? > > It's a mix of Windows 9x and Macs. And I've found only one utility capable > > of adjusting MTU on Macs. > > Can anything be done on the freebsd box as the traffic goes through it ? > > Thanks in advance, John. > > P.S. the pppoe setup went fine thanks to a page at www.sympaticousers.org > > and some further notes at www.freebsddiary.org > > >ppp now has an option where it will force the negotiated packet size >of new tcp sessions going through it down. (i.e it fiddles with the packets) >check the man page.. I THINK it may be in 4.2, if not it's in -Stable Actually, I have just been playing with this. Userland ppp has the 'set mtu' command which will make ppp try and set that MTU at negotiation time. That's on a 4.2-STABLE box. DocWilco To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message