From owner-freebsd-questions Sun May 28 10:10:50 2000 Delivered-To: freebsd-questions@freebsd.org Received: from imsp015.netvigator.com (imsp015.netvigator.com [205.252.144.206]) by hub.freebsd.org (Postfix) with ESMTP id C258937B786 for ; Sun, 28 May 2000 10:10:44 -0700 (PDT) (envelope-from victor.tsang@ieee.org) Received: from ieee.org (bbig034067.netvigator.com [203.198.113.67]) by imsp015.netvigator.com (8.9.3/8.9.1) with ESMTP id BAA07033; Mon, 29 May 2000 01:09:13 +0800 (HKT) Message-ID: <39315506.CE81E1E9@ieee.org> Date: Mon, 29 May 2000 01:19:02 +0800 From: Victor Tsang X-Mailer: Mozilla 4.72 [en] (X11; I; FreeBSD 4.0-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Bryan Liesner Cc: questions@FreeBSD.ORG Subject: Re: PPPoE and nat References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Bryan Liesner wrote: > >My environment is one FreeBSD running as gateway, connecting my LAN and > >ISP using PPPoE and there is a Macintosh running Darwin in the LAN for > >my testing purpose. > > > >Either I don't enable NAT in rc.conf, or set ppp_nat="YES" , the > >behaviors are the same: > > > >In Macintosh, when I telnet to outside world, I can see the login screen > >and login prompt. Once I key in the user name and password, there is > >nothing to show on screen and eventually the telnet timeout and > >disconnected. > > > > I had a similar problem with nat and a Win98 box. If the FreeBSD > system seems to work OK, but the Mac hangs up on outside connections, > try adjusting the MTU to 1492 on the Mac. I guarantee that the > current settings have MTU set to 1500. I have _no_ experience with > Macs, so I couldn't tell you how to accomplish that. Thanks Bryan. That means I have to change all machines in my LAN to have MTU be 1492. Err... I see. NAT is solely address translation, no "re-frame" :) BTW, how to change MTU in windows machines as I also have NT box in the LAN. -- Victor Tsang victor.tsang@ieee.org FreeBSD + AfterStep To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message