On 4/7/25 6:32 PM, num...@ovn.org wrote:
> From: Numan Siddique <num...@ovn.org>
>
> Commit c48ed1736a58 added the logical flow in "ls_in_l2_lkup"
> stage to flood ARP/ND request packets if these packets are self
> originated. i,e generated by ovn-controller. As a side effect,
> Unicast ARP packets are also flooded if these packets are
> generated by VIF logical ports and the same MAC is used for both
> the logical ports and their dnat_and_snat entries in the router
> (as these macs are considered as router owned IP macs.)
>
> This patch fixes this behavior by also matching on the broadcast
> eth.dst. Note that ovn-controller always generates GARPs with
> broadcast eth.dst.
>
> This issue got resurfaced due to [1] which disabled unicast ARP
> responder flows in OVN.
>
> [1] - c48ed1736a58("Do not reply on unicast arps for IPv4 targets.")
> Fixes: 32f5ebb06226 ("ovn-northd: Limit ARP/ND broadcast domain whenever
> possible.")
>
> Signed-off-by: Numan Siddique <num...@ovn.org>
> ---
Hi Numan,
Thanks for the fix!
Acked-by: Dumitru Ceara <dce...@redhat.com>
Regards,
Dumitru
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