Ah, that explains it. Thanks, Miroslav! And what about an ever decreasing master offset value at -max freq? I assume the master offset value is in nanosecs? It seems that in 120 seconds, the master offset value decreases with appr 90 secs
On Tue, Aug 30, 2022 at 2:43 PM Miroslav Lichvar <mlich...@redhat.com> wrote: > On Tue, Aug 30, 2022 at 02:27:22PM +0200, Ray Vanbeek wrote: > > Running ptp4l as a slave, what influences the rate at which Delay Request > > Messages are sent out? Pretty standard, the GM send out Announce Messages > > every 2 secs, Sync and Follow_Up Messages every second. > > The slave sends out Delay Request Messages irregular: ranging from <1 > sec > > to 16 sec between subsequent messages. The GM always responds immediately > > to a DelayReq. > > That's a feature of PTP. Clients are required to randomize their > interval of delay requests in order to minimize collisions at the server. > > If you see the interval reaching 16 seconds, that means > logMinDelayReqInterval is 3 on the server. > > -- > Miroslav Lichvar > >
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