From owner-svn-src-head@FreeBSD.ORG Fri Oct 2 07:22:34 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3E60210656B3; Fri, 2 Oct 2009 07:22:34 +0000 (UTC) (envelope-from tomelite82@gmail.com) Received: from mail-vw0-f171.google.com (mail-vw0-f171.google.com [209.85.212.171]) by mx1.freebsd.org (Postfix) with ESMTP id B6F3A8FC08; Fri, 2 Oct 2009 07:22:33 +0000 (UTC) Received: by vws1 with SMTP id 1so516624vws.27 for ; Fri, 02 Oct 2009 00:22:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=Pr4uAL+pHWQM1N9eBjWOAr7hgK3pwH2hPXW4e6DoYzE=; b=XYF/7vvo3AZzal7J/nYIjJrL5EZXR8lH9+jKJFLB4bEUSYDTKAz1A49fckeDGq5NZb 79RICwFIssrUlRT6zr5wEg3VT+4tH94KRrCgrP1RYUDTFzVHoy8Rq0NZHlGWdIXtFOSo 4v/+YmpS12dKqL/CL4Z026u6qt9ic9jJnfjf8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=DtrBvuhhh7+PRPCMIAcvElSMnCPjwkIbyDnXFJpth8e3AYMtc3KWCenMgQU9PW++my wXQQfle2aAYhhofR9UWIrIKO996IxGn+MIdx5lB8ef583QGCj/sK13YNp+0R+q2Dsw+h l6CyHxMURb+BF64QZCG7LMkaKgJdE91XHVUd8= MIME-Version: 1.0 Sender: tomelite82@gmail.com Received: by 10.220.108.219 with SMTP id g27mr4011117vcp.44.1254468152928; Fri, 02 Oct 2009 00:22:32 -0700 (PDT) In-Reply-To: <4AC59C42.1030903@tomjudge.com> References: <200910012032.n91KWTOa064111@svn.freebsd.org> <4AC59C42.1030903@tomjudge.com> Date: Fri, 2 Oct 2009 00:22:32 -0700 X-Google-Sender-Auth: 608c3dc0c3367e63 Message-ID: <9ace436c0910020022mfcc1e9y3dd81796537c2a06@mail.gmail.com> From: Qing Li To: Tom Judge Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r197687 - head/sys/net X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Oct 2009 07:22:34 -0000 I believe this patch will fix your issue. In fact two other users of openvpn reports the exact same problem symptom. Please give it a try and let me know how it works out for you. -- Qing On Thu, Oct 1, 2009 at 11:22 PM, Tom Judge wrote: > Qing Li wrote: >> >> Author: qingli >> Date: Thu Oct =A01 20:32:29 2009 >> New Revision: 197687 >> URL: http://svn.freebsd.org/changeset/base/197687 >> >> Log: >> =A0The flow-table associates TCP/UDP flows and IP destinations with >> =A0specific routes. When the routing table changes, for example, >> =A0when a new route with a more specific prefix is inserted into the >> =A0routing table, the flow-table is not updated to reflect that change. >> =A0As such existing connections cannot take advantage of the new path. >> =A0In some cases the path is broken. This patch will update the affected >> =A0flow-table entries when a more specific route is added. The route >> =A0entry is properly marked when a route is deleted from the table. >> =A0In this case, when the flow-table performs a search, the stale >> =A0entry is updated automatically. Therefore this patch is not >> =A0necessary for route deletion. >> > > Hi, > > Will this fix the issue that I see visualising =A0its self as packet loss= over > a VPN tunnel? > > The tunnel is an openvpn (tun mode) tunnel providing a route to > 192.168.201.0/24 however when I ping an address in this network with > flowtable enabled I see 2-3 out of every 5-6 packets end up being sent ou= t > of bge0 (IP 172.17.XX.XX/23 GW 172.17.XX.1) to the default gateway (which > responds with destination host unreachable) rather than down tun0. > > Thanks > > Tom > >