On Wed, Nov 11, 2015 at 05:35:18PM +0000, Keller, Jacob E wrote: > For master, you need to use phc2sys to sync the kernel time to the PHC > on the NIC doing the timestamping, on the slave you do the reverse, > which is what the "-r -r" option is for.
The double -r is for the master. Actually, if you don't care which node is master/slave, then you can leave off '-s' (slave only) from ptp4l and put the double -r on every node's phc2sys command line. > Best practice is to use a different piece of hardware as a grand > master, rather than using one of the NICs directly as master. Yep. Thanks, Richard ------------------------------------------------------------------------------ _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
