The average offset is ~300ns. I would not expect there to be so much asymmetry 
with the switch, but I suppose anything is possible. If I enable hardware time 
stamps the offset jumps to ~2100ns.


> On Nov 11, 2016, at 02:22, Miroslav Lichvar <> wrote:
> This looks very good and I'm curious to see how much further it will
> improve with HW timestamping. The offset of ~400ns between the 1st/2nd
> and 3rd server could be an asymmetry in delay due to the switch, right?

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