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Date: Wed, 8 Nov 2017 04:02:26 +0100
From: Andrew Lunn <andrew@lunn.ch>
To: Brandon Streiff <brandon.streiff@ni.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
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        Florian Fainelli <f.fainelli@gmail.com>,
        Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
        Erik Hons <erik.hons@ni.com>
Subject: Re: [PATCH net-next RFC 0/9] net: dsa: PTP timestamping for mv88e6xxx
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> One thing that we're not doing (and probably should be) is
> configuring multicast frames to 01:1B:19:00:00:00 to be destined to
> the CPU port.

So i did a quick test. If the application joins 224.0.1.129 on the
slave interface, the switch will pass the packets to the host and to
the application.

      Andrew