Support the IEEE1588-2019 Revision of the PTP Standard

Enhanced PTP User Guide (UG1602)

Document ID
Release Date
1.1 English

Implementations of the 2019 revision, known informally as PTP v2.1, should be backwards compatible with implementations of the 2008 revision (v2.0) but to assure continued interoperability with intolerant peer devices the protocol version must be specified to use new features, such as the COMMUNICATION_CAPABILITIES TLV:

ptp_version 2.1

See the ptp_version option in Configuration Options.