On Thu, Nov 18, 2021 at 08:50:36AM +0000, Mikael Arvids via Linuxptp-users 
wrote:
> 
>   1.  Is this the expected behavior when using the automotive profile 
> (especially the inhibit_announce option set to true)?

Yes, looks about right to me.  Remember, without Announce messages,
the GM identity is lost.

>   2.  Is there a recommended way to monitor the end-stations as our earlier 
> approach might not be the best, especially when introducing bridges?

It really depends on your requirements.  There is no "one size fits
all" when it comes to synchronization monitoring.

> We want to ensure that the end-stations are synchronized to the dedicated 
> time server and that the accuracy is at least X microseconds.

Well, you can monitor TIME_STATUS_NP.master_offset and
TIME_STATUS_NP.ingress_time for starters.

Good luck,
Richard


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