Mlichvar,

Working through the configuration issues needed for a PTP configuration to 
auto-negotiate the GrandMaster at power-up that is receiving/suppling system 
clock to a NTP/chronyd server. Want to create a configuration that is 
autonomous and will recovery if the GrandMaster is ever taken out of service (2 
diagrams follow to provide clarity).




It appears that the linuxptp applications (phc2sys, ptp4l, pmc, and timemaster) 
can be configured to create an autonomous system, can you please provide 
insight on how 'timemaster' and perhaps 'phc2sys' would need to be configured?


Thanks,
Harold








-----Original Message-----
From: Keller, Jacob E [mailto:jacob.e.kel...@intel.com]
Sent: Friday, August 14, 2015 11:42 AM
To: Harold Lapprich <hlappr...@pixel-velocity.com>; 
linuxptp-users@lists.sourceforge.net
Cc: mlich...@redhat.com
Subject: Re: [Linuxptp-users] Grandmaster Auto-Negotiation and Reconfiguration 
of phc2sys to ptp4l Synchronization

On Fri, 2015-08-14 at 13:34 +0000, Harold Lapprich wrote:
> Hi Jack,
>
> Thanks for the quick response. Have been looking at both 'phc2sys'
> and 'timemaster' but haven't been able to put a configuration/design
> together due to limited information and examples on both applications.
> Can you point me to some good in depth information or forward it as
> attachments?
>
> Thanks,
> Harold

I would suggest asking Miroslav, as he is the one who wrote Timemaster.
You might also try "man ./timemaster.8" inside the repository.

The man page should give you enough information to work correctly. I recommend 
using chronyd, but ntpd should also work.

Regards,
Jake

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