Assume One Hardware Clock per NIC

Enhanced PTP User Guide (UG1602)

Document ID
UG1602
Release Date
2022-10-18
Revision
1.0 English

Assume multiple PTP Hardware Clock (PHC) devices presented by the same PCI™ device represent the same underlying clock, which is often the case for third party NICs. This is enabled by default. To disable:

[general]
assume_one_phc_per_nic off

See the assume_one_phc_per_nic option in Configuration Options.