[ovs-dev] [PATCH] LACP: Check active partner sys id

Ben Pfaff blp at ovn.org
Tue Jan 23 23:50:55 UTC 2018


On Wed, Dec 06, 2017 at 10:36:33AM +0000, Róbert Mulik wrote:
> A reboot of one switch in an MC-LAG bond makes all bond links
> to go down, causing a total connectivity loss for 3 seconds.
> 
> Packet capture shows that spurious LACP PDUs are sent to OVS with
> a different MAC address (partner system id) during the final
> stages of the MC-LAG switch reboot. The current implementation
> doesn't care about the partner sys_id (MAC address).

Thanks for the patch and especially for the careful diagnosis!  I
applied this to master and branch-2.9.  Maybe I should apply it to
earlier branches as a bug fix (would love to hear opinions on that).

Thanks,

Ben.


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