On Fri, Mar 11, 2022 at 06:30:49AM -0800, Axel Simon wrote: > Sorry, I checked again and I stand corrected. We saw some offsets > before we were able to monitor our system properly and it's still in > my head that we can't get better than 2µs of noise. We are > synchronizing the PTP clocks between different NICs using phc2sys > and connect two x86 systems.
Right, using phc2sys is not a great design for a GM. Why? because it uses SW time stamping. But that is not the fault of the i210 card. If you were to feed a 1 PPS from a GPS radio into the SDP of the i210, for example, then you get your time error well below 1 usec. Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users