Re: [Linuxptp-users] FW: master state recommended in slave only mode

[Christian L. <chr...@hi...>]

Yes it works. Also master failover. Basically we get an OC with multiple ports.

-c

Christian Leeb
 

> -----Original Message-----
> From: Richard Cochran <ric...@gm...>
> Sent: Dienstag, 2. November 2021 12:57
> To: Christian Leeb <chr...@hi...>
> Cc: lin...@li...
> Subject: Re: [Linuxptp-users] FW: master state recommended in slave only
> mode
> 
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> On Tue, Nov 02, 2021 at 05:25:45AM +0000, Christian Leeb via Linuxptp-users
> wrote:
> > Hi
> >
> > I'm running a BC with slaveOnly.
> >
> > It behaves as expected: it sync to the best master and the other ports are
> in state listening (without slaveOnly they would  master). It's like an OC with
> multiple ports. This is what I need.
> 
> And it works correctly in the presence of multiple masters on different ports?
> 
> > The only thing that irritates me a bit is the warnings:
> >
> > ptp4l[36702.594]: port 2: master state recommended in slave only mode
> > ptp4l[36702.594]: port 2: defaultDS.priority1 probably misconfigured
> >
> > sent in port_slave_priority_warning()
> >
> > Should I worry? Is slaveOnly for BC kind of officially supported?
> 
> If it works, then I wouldn't worry.  I would test foreign master failover if that
> is your aim.
> 
> The BC as in 1588 does not have the idea of client only operation, hence the
> warning message.  I think what you really want is some kind of redundancy
> setup, but the various possible solutions are still a WIP IMHO.
> 
> Thanks,
> Richard