Date: Fri, 2 Oct 2009 00:22:32 -0700 From: Qing Li <qingli@freebsd.org> To: Tom Judge <tom@tomjudge.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r197687 - head/sys/net Message-ID: <9ace436c0910020022mfcc1e9y3dd81796537c2a06@mail.gmail.com> In-Reply-To: <4AC59C42.1030903@tomjudge.com> References: <200910012032.n91KWTOa064111@svn.freebsd.org> <4AC59C42.1030903@tomjudge.com>
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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 <tom@tomjudge.com> 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 > >
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