Re: [Linuxptp-users] ptp4l and SyncE

[Richard C. <ric...@gm...>]

On Wed, May 02, 2018 at 04:17:38PM +0200, Miroslav Lichvar wrote:
> Interesting. I assume that applies only to the PHY chip and the MAC
> may be but doesn't have to be synchronized to the PHY? The X550 is the
> only NIC I have noticed to have a "synchronized" PHC so far.

Right, the PHYs are always synchronized.  If the MAC time stamper is
using another clock then you won't see it from the outside.

Thanks,
Richard