From owner-freebsd-mobile Wed Sep 12 11:56:52 2001 Delivered-To: freebsd-mobile@freebsd.org Received: from tholian.securitydynamics.com (mail.rsasecurity.com [204.167.112.129]) by hub.freebsd.org (Postfix) with SMTP id 990E737B40A for ; Wed, 12 Sep 2001 11:56:35 -0700 (PDT) Received: from sdtihq24.securid.com by tholian.securitydynamics.com via smtpd (for hub.freebsd.org [216.136.204.18]) with SMTP; 12 Sep 2001 18:53:52 UT Received: from spirit.dynas.se (ebola.securid.com [192.168.7.4]) by sdtihq24.securid.com (Pro-8.9.3/Pro-8.9.3) with SMTP id OAA15467 for ; Wed, 12 Sep 2001 14:56:27 -0400 (EDT) Received: (qmail 9784 invoked from network); 12 Sep 2001 18:56:26 -0000 Received: from explorer.rsa.com (10.81.217.59) by spirit.dynas.se with SMTP; 12 Sep 2001 18:56:26 -0000 Received: (from mikko@localhost) by explorer.rsa.com (8.11.6/8.11.3) id f8CIuMf55093; Wed, 12 Sep 2001 11:56:22 -0700 (PDT) (envelope-from mikko) Date: Wed, 12 Sep 2001 11:56:22 -0700 (PDT) From: Mikko Tyolajarvi Message-Id: <200109121856.f8CIuMf55093@explorer.rsa.com> To: xtof@olympe.dnsalias.com Cc: mobile@freebsd.org Subject: Re: ADSL, PPPoE and Xircom CEM56 Newsgroups: local.freebsd.mobile References: <200109121012.f8CACLY01536@zeus.olympe.fr> X-Newsreader: NN version 6.5.6 (NOV) Sender: owner-freebsd-mobile@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org In local.freebsd.mobile you write: >i have the following configuration >- FreeBSD 4.3 >- Toshiba Satellite 320CDT >- Xircom CEM56 ethernet adapter >- ADSL connection through PPP with >the PPPoE protocol >- this box also acts as a router for the >local network >when the box is connected to the Internet, >sometimes it hangs, and since few days i know >how to reproduce: >ping -s 1464 InternetIP : OK >ping -s 1465 InternetIP : HANGS >it seems that when the box receives too 'big' >packets it hangs. Yes, it is a problem with PPPoE (silly protocol...), broken routers and packet sizes. Upgrade to a newer version of ppp, which contains workarounds for this problem. I believe contains both binaries and sources you should be able to use. In , section 6.3 you can find an explanation of what is happening. $.02, /Mikko -- Mikko Työläjärvi_______________________________________mikko@rsasecurity.com RSA Security To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message