netdev - Re: [PATCH] bonding: Gratuitous ARP gets dropped when first slave added

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Message-Id: <20150812.143829.2181531591935198645.davem@davemloft.net>
Date:	Wed, 12 Aug 2015 14:38:29 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	venkat.x.venkatsubra@...cle.com
Cc:	netdev@...r.kernel.org, j.vosburgh@...il.com, vfalico@...il.com,
	gospo@...ulusnetworks.com
Subject: Re: [PATCH] bonding: Gratuitous ARP gets dropped when first slave
 added

From: Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>
Date: Tue, 11 Aug 2015 07:57:23 -0700

> When the first slave is added (such as during bootup) the first
> gratuitous ARP gets dropped. We don't see this drop during a failover.
> The packet gets dropped in qdisc (noop_enqueue).
> 
> The fix is to delay the sending of gratuitous ARPs till the bond dev's
> carrier is present.
> 
> It can also be worked around by setting num_grat_arp to more than 1.
> 
> Signed-off-by: Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>

Applied, thanks.
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