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Message-ID: <1720760.5dnaEcLin5@h2o.as.studentenwerk.mhn.de> Date: Fri, 07 Feb 2014 19:17:40 +0100 From: Wolfgang Walter <linux@...m.de> To: Hannes Frederic Sowa <hannes@...essinduktion.org> Cc: netdev@...r.kernel.org Subject: Re: linux 3.13: problems with isatap tunnel device and UFO Am Freitag, 7. Februar 2014, 18:56:41 schrieb Hannes Frederic Sowa: > Hi! > > On Fri, Feb 07, 2014 at 06:47:07PM +0100, Wolfgang Walter wrote: > > with kernel 3.13 I have a problem with isatap tunnels receiving fragmented > > ipv6 udp packets. > > Which was the last known version that did work? I think 3.12 had no problems, but I'm not sure. I test this tonight. > Also dropwatch and nstat > could give a first hint. > > > If I switch of ufo for the tunnel device the problem disappears: > > ethtool -K is0 ufo off > > > > When UFO is on tcpdump shows the packets on the physical device but not on > > the tunnel device. The packets seem to be discarded. > > > > With UFO off I can see them on is0 (and the packet is delivered to the > > socket). > > Thanks for the report, I'll look at it. > > Greetings, > > Hannes > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Regards, -- Wolfgang Walter Studentenwerk München Anstalt des öffentlichen Rechts -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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