Re: [Linuxptp-users] High Propagation Time

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

On Mon, Aug 13, 2018 at 10:47:06AM +0200, André Sadie wrote:
> The device does support HW timestamping, see 'ethtool -T' output below.
> Also if I force software timestamping the propagation delay is much higher
> and varies between 30μs to 150μs.

Right, that is to be expected.

However, 7us is too large for HW time stamping.  Something is wrong
with that card.

Thanks,
Richard