I do the latter. To use PTP to timestamp one would have to modify NTP source outside of refclock_phc(), which we would not presume to do. However the PHC loopstats has a standard deviation of 0.58 microseconds, so we are not far off in using standard NTP timestamping.
Rich Schmidt > Do you use the PTP hw to also timestamp actual ntp packets, or just the > > onboard tcxo (or whatever the LAN card osc is) as a stable time base? > > > > Terje > _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
