On Tue, Jun 22, 2021 at 09:51:18AM +0530, Raj kishore Chhatoi wrote:
> Hi Team,
> 
> When the Slave is getting in sync with the Master , we are observing that
> the Master offset in the slave is not consistently < 100 ns. We are using
> Hardware times stamp & "p2p_dst_mac 01:80:C2:00:00:0E", We are using ptp on
> Layer2. I have adjusted "step_threshold" to 0.00002 in  ptp4l slave config
> file , however the Master offset in the slave is not consistently < 100 ns.
> 
> How to get Master offset in slave less than 100 nanoseconds in ptp4l
> consistently?
> Logs on Slave:
> 
> ptp4l[1323.209]: master offset -74 s3 freq -123 path delay 15014
> ptp4l[1324.209]: master offset -114 s3 freq -185 path delay 15014

The measured delay is very large. Are there any switches between the
server and client? Is the PTP support enabled?

-- 
Miroslav Lichvar



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