PPS Synchronization to OS Time

Time-Stamping and Time Synchronization

Platform
Intel® PAC
Napatech SmartNIC
Content Type
User Guide
Capture Software Version
Link™ Capture Software 12.10

Illustration

This figure shows a system configuration for PPS synchronization of an NT SmartNIC to the OS time using the Napatech pps_os tool (see DN-0449).


Page-1 Box.1 Box Box.2 TS In TS In Box.4 Server Server Dynamic connector.6 Get accelerator time sampled at PPS Get acceleratortime sampledat PPS Dynamic connector.20 Clock adjust Clock adjust Box.26 Napatech Accelerator Napatech Accelerator Box.18 Napatech pps_os Tool Napatechpps_os Tool Dynamic connector.12 Get time Get time Box.15 Napatech NT Accelerator Driver NapatechNT AcceleratorDriver Box.13 OS Time OS Time Dynamic connector.11 Get OS time Get OStime Dynamic connector.16 PPS PPS Box.39 Reference clock Reference clock Dynamic connector.40 NTP NTP

ntservice.ini configuration

These ntservice.ini code lines configure the NT SmartNIC for the setup in Illustration.

TimeSyncConnectorExt1=PpsIn
TimeSyncReferencePriority=Ext1,FreeRun