[Bridge] [PATCH net-next] net: bridge: optimize backup_port fdb convergence

David Miller davem at davemloft.net
Fri Apr 5 00:40:55 UTC 2019

From: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>
Date: Wed,  3 Apr 2019 13:49:24 +0300

> We can optimize the fdb convergence when a backup_port is present by not
> immediately flushing the entries of the stopped port since traffic for
> those entries will flow towards the backup_port.
> There are 2 cases specifically that benefit most:
> - when the stopped port comes up before the entries expire by themselves
> - when there's an external entry refresh and they're kept while the
>   backup_port is operating (e.g. mlag)
> Signed-off-by: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>


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