From owner-freebsd-net@FreeBSD.ORG Thu Jul 12 00:23:10 2007 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5165C16A41F for ; Thu, 12 Jul 2007 00:23:10 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [205.211.164.50]) by mx1.freebsd.org (Postfix) with ESMTP id 22DEE13C468 for ; Thu, 12 Jul 2007 00:23:09 +0000 (UTC) (envelope-from mike@sentex.net) Received: from BLUELAPIS.sentex.ca (cage.simianscience.com [64.7.134.1]) by smarthost2.sentex.ca (8.14.1/8.13.8) with SMTP id l6C0N8JV064533; Wed, 11 Jul 2007 20:23:08 -0400 (EDT) (envelope-from mike@sentex.net) From: Mike Tancsa To: Brett Glass Date: Wed, 11 Jul 2007 20:23:08 -0400 Message-ID: References: <200707110014.SAA02181@lariat.net> In-Reply-To: <200707110014.SAA02181@lariat.net> X-Mailer: Forte Agent 1.93/32.576 English (American) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Cc: freebsd-net@freebsd.org Subject: Re: Bug in userland PPP LQR? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jul 2007 00:23:10 -0000 On Tue, 10 Jul 2007 18:13:48 -0600, in sentex.lists.freebsd.net you wrote: >I may have found a bug in the LQR code of FreeBSD's userland PPP.=20 >I've been noticing that PPTP sessions are dropping with messages=20 >saying "** Too many LQR packets lost **" on some important wireless=20 >links. Wireless links occasionally do drop a packet or two, but=20 >it's rare to see 5 dropped packets in a row (which is supposed to=20 >be when PPP gives up and kills the link). Yet, the links go down=20 >when there's even an occasional dropped packet. Did you try and use just LCP echo mode instead ? I have come across a number of devices (especially GPRS/EVDO cards) that seem to say yes to supporting LQR, but do not. Try instead lcp echo ---Mike -------------------------------------------------------- Mike Tancsa, Sentex communications http://www.sentex.net Providing Internet Access since 1994 mike@sentex.net, (http://www.tancsa.com)