[ovs-dev] [PATCH branch-2.12] ovn-northd: Fix IP local multicast flooding.

Dumitru Ceara dceara at redhat.com
Mon Mar 2 10:04:08 UTC 2020


On 2/28/20 8:20 PM, Ben Pfaff wrote:
> On Thu, Feb 27, 2020 at 10:15:59AM +0100, Dumitru Ceara wrote:
>> Skip IGMP entries learned for local multicast groups when generating
>> logical flows. We still allow ovn-controller to learn them as
>> it might be useful information for administrators to see that hosts
>> register for the groups even though they are not expected to send JOIN
>> messages for this range.
>>
>> Note: The upstream OVN master patch doesn't apply cleanly because OVN
>> 2.12 doesn't support MLD. The conflict is however easy to solve and
>> involves removing the IPv6 specific code.
>>
>> Fixes: ddc64665b678 ("OVN: Add ovn-northd IGMP support")
>> Reported-by: Lucas Alvares Gomes <lmartins at redhat.com>
>> Reported-at: https://bugzilla.redhat.com/1803008
>> Signed-off-by: Dumitru Ceara <dceara at redhat.com>
>> Acked-by: Mark Michelson <mmichels at redhat.com>
>> (cherry picked from OVN commit 755ffada2a66416173d5f1e09672909d40f87fd1)
> 
> Thanks, applied to branch-2.12.
> 

Thanks Ben!



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