On Tue, Nov 09, 2021 at 05:13:49PM +0000, Brooks, Jason wrote:
> So I followed your suggestion for a dummy entry.  I made it in the form:
>         [ptp_domain 0]
>         interfaces enp0s25
> 
> and my main domain entry is
>         [ptp_domain 44]
>         interfaces enp0s25
>         delay 10e-6
>         ptp4l_option logging_level 7
> 
> observations:
> 
>         ptp4l on domain 0 always chooses the local clock as its best master

That's expected.

>         ptp4l on domain 44 seems to cycle between
>                 "UNCALIBRATED to LISTENING on 
> "ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
>                         and
>                 "LISTENING TO UNCALIBRATED on RS_SLAVE"

Hm, that suggests there are two different issues. Check the firewall
configuration and tcpdump/wireshark output to see if the master
configuration is ok.

Try to get ptp4l working with SW timestamping first. Then you can
enable HW timestamping and only when that works, you should switch to
timemaster.

-- 
Miroslav Lichvar



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