PTP G.8275.2 enhanced profiles for IPv4

You can enable the G.8275.2 enhanced profiles to support telecom applications that require accurate phase and time synchronization for phase alignment and time of day synchronization over a wide area network. 

This profile supports Precision Time Protocol (PTP) over IPv4 unicast, ordinary and boundary clocks, and unicast negotiation. To configure the G.8275.2 enhanced profile, enable the g.8275.2.enh statement at the [edit protocols ptp profile-type] Junos OS CLI hierarchy.