On Mon, Apr 25, 2016 at 11:57 AM, David Evans
<davidjoshuaev...@gmail.com> wrote:
> Hi Jesse,
>
> I remember you sorted out the recursion issue for ARPs in userspace
> tunneling.
> This works on the first attempt just fine and the tunneled traffic will
> flow.
> Then i stop sending, and but after the ARP entry goes stale, OVS will
> generate a new ARP, and receives the reply, but the tunnel traffic will not
> be sent.
>
> Using ovs-appctl tnl/arp/show i can see the stale entries still
>
Entires in linux kernel arp cache and in OVS-arp-entries are not kept
in sync. So this is possible. But I do see a bug in arp-lookup where
we should check entry expiration. I will send a patch to fix it.
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