netdev - Re: [PATCH net-next] net: ipv6: send unsolicited NA on admin up

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Message-Id: <1492083944.2160091.943541576.3F765BD2@webmail.messagingengine.com>
Date:   Thu, 13 Apr 2017 13:45:44 +0200
From:   Hannes Frederic Sowa <hannes@...essinduktion.org>
To:     David Ahern <dsa@...ulusnetworks.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: ipv6: send unsolicited NA on admin up



On Wed, Apr 12, 2017, at 20:49, David Ahern wrote:
> ndisc_notify is the ipv6 equivalent to arp_notify. When arp_notify is
> set to 1, gratuitous arp requests are sent when the device is brought up.
> The same is expected when ndisc_notify is set to 1 (per ndisc_notify in
> Documentation/networking/ip-sysctl.txt). The NA is not sent on NETDEV_UP
> event; add it.
> 
> Fixes: 5cb04436eef6 ("ipv6: add knob to send unsolicited ND on link-layer
> address change")
> Signed-off-by: David Ahern <dsa@...ulusnetworks.com>

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

In future we might be able to make this a bit more robust when DAD is
happening at the same time.

Thanks,
Hannes