PTP
Use the UI or CLI to monitor Precision Time Protocol (PTP), including clock hierarchies and priorities, synchronization thresholds, and accuracy rates.
PTP monitoring is only supported on Spectrum switches running Cumulus Linux version 5.0.0 and later.
PTP Commands
Monitor PTP with the following commands. See the command line reference for additional options, definitions, and examples.
netq show ptp clock-details
netq show ptp counters (tx | rx)
netq show ptp global-config
netq show ptp port-status
netq show events message_type ptp
Access the PTP Dashboard
From the header or 
menu, select Spectrum-X, then PTP.
The PTP summary dashboard displays:
- clock count, type, and distribution
- an overview of PTP-related events
- a summary of PTP violations (mean path delay and offset from master)
Navigate to the Events tab to view, filter, and sort PTP-related events:
View PTP on a Switch
-
Search for the device’s hostname in the global search field or from the header select
Add card > Device card. -
Select a switch and specify the large card.
-
Hover over the top of the card and select the
PTP tab:
- For more granular data, expand the card to full-size and navigate to PTP:
Hover over the chart at any point to display timestamped mean-path-delay and offset-from-master data. You can drag the bottom bar to expand and compress the period of time displayed in the graph.
Select the tabs above the chart to display information about domains, clocks, ports, and configurations:
