From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
bjorn@mork.no, "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: IPv6 patch mysteriously breaks IPv4 VPN
Date: Thu, 21 Apr 2016 10:08:00 +0200 [thread overview]
Message-ID: <57188A60.9060901@stressinduktion.org> (raw)
In-Reply-To: <15023.1461205453@turing-police.cc.vt.edu>
On 21.04.2016 04:24, Valdis Kletnieks wrote:
> I'll say up front - no, I do *not* have a clue why this commit causes this
> problem - it makes exactly zero fsking sense.
>
> Scenario: $WORK is blessed with a Juniper VPN system. I've been
> seeing for a while now (since Dec-ish) an issue where at startup,
> the tun0 device will get wedged. ifconfig reports this:
>
> tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1400
> inet 172.27.1.165 netmask 255.255.255.255 destination 172.27.1.165
> inet6 fe80::6802:d95c:f3f4:2a6f prefixlen 64 scopeid 0x20<link>
> unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 txqueuelen 500 (UNSPEC)
> RX packets 0 bytes 0 (0.0 B)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 1 bytes 48 (48.0 B)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Can you show us a ip -d l l ?
Thanks,
Hannes
prev parent reply other threads:[~2016-04-21 8:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-21 2:24 IPv6 patch mysteriously breaks IPv4 VPN Valdis Kletnieks
2016-04-21 8:04 ` Bjørn Mork
2016-04-21 8:08 ` Hannes Frederic Sowa [this message]
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