netdev - Re: [PATCH net-next] net: bridge: optimize backup

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Message-Id: <20190404.174055.1070774187116102708.davem@davemloft.net>
Date:   Thu, 04 Apr 2019 17:40:55 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     nikolay@...ulusnetworks.com
Cc:     netdev@...r.kernel.org, roopa@...ulusnetworks.com,
        bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next] net: bridge: optimize backup_port fdb
 convergence

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.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@...ulusnetworks.com>

Applied.