[ovs-discuss] OvS 2.5 regression in VXLAN tunnels

pravin shelar pshelar at ovn.org
Wed Jul 20 21:13:50 UTC 2016


On Fri, Jul 15, 2016 at 6:01 AM, Jakub Libosvar <jlibosva at redhat.com> wrote:
> Hi,
>
> in OpenStack Neutron project we use Open vSwitch on a single node to
> simulate tunneling between multiple nodes. After commit [1] was merged, we
> observe openflow output rule being applied on packets, that injects packets
> into tunnels but we don't see any packets on the other side of the tunnel.
>
> I wrote a simple script to build this environment in order to make it easy
> to reproduce [2]. I didn't attach it, I can if requested.
>
> Ways to reproduce:
>    - fetch the script (e.g. fullstack_env.sh)
>    - run as root: fullstack_env.sh setup
>    - try ping via tunnel: ip net e nsA ping 10.20.0.10
>
> In previous OvS 2.4 were icmp replied.
>
Thanks for detailed report.
I sent out a fix for master branch. can you try it?

ref: http://openvswitch.org/pipermail/dev/2016-July/075768.html

> Jakub
>
> [1]
> https://github.com/openvswitch/ovs/commit/e23775f20e1a4c193c22f3fc78fb41ebcd93eeac
> [2] http://paste.fedoraproject.org/391442/68587331/
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