On Wed, Oct 28, 2020 at 06:27:42AM +1100, mgrosve...@gmail.com wrote: > Furthermore, some switches (Eg Arista and and Cisco) use the CRC to > convey timestamps in packets. It would be absolutely necessary to be > able to see the “CRC” for this this use case, on the same interface > that PTP traffic traverses, even if PTP traffic itself is > unaffected.
But why would ptp4l need to see that "timestamp" ? It doesn't use it at all. What a switch does internally is its own business. However, the end points need to receiver a proper Ethnernet frame with a correct checksum. Thanks, Richard _______________________________________________ Linuxptp-devel mailing list Linuxptp-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-devel