On Fri, Jul 27, 2018 at 1:26 PM Keller, Jacob E <jacob.e.kel...@intel.com> wrote: > Does the use of the vlan interface prevent hardware timestamping? Or does it > correctly infer the real interface capabilities?
Hardware timestamping works fine with VLAN interfaces. I'm using this capability in a production system. You can check if your kernel is propagating the PTP clock to the VPN interface correctly with "ethtool -T eth5.33". There was a fluke in phc2sys's autocfg mode where it wasn't deduplicating multiple VLANs to a single clock, but that was fixed in https://github.com/richardcochran/linuxptp/commit/4c5d180ab343cac25dbc25c0298b04cc48631d3a ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-devel mailing list Linuxptp-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
