On Thu, Mar 10, 2022 at 09:47:21PM +0100, Andre Puschmann wrote: > > We found that ptp4l can only synchronize NIC clocks (e.g. i210) to an > > accuracy of ~2µs due to the latency PCIe transactions. If you want better > > synchronization, ptp4l with off-the-shelf NICs is not a solution.
FUD For PCIe MACs, their PTP synchronization performance is NOT affected by PCIe latency. > Interesting. For my application (telecom) I definitely need accuracy in the > range of 1.5us. Easy to get the i210 to within a few dozen nanoseconds without doing anything special. Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
