Cambium Networks PTP 820 Series User Manual page 594

Chapter 10: Synchronization Configuring 1588 Transparent Clock
13. To map 1588 packets to CoS 7, enter the following command:
root> ethernet generalcfg ptp-tc cos-preserve cos value 7
After you enter these commands, 1588 packets will automatically be mapped to CoS 7.
Note
If necessary, you can use the ethernet generalcfg ptp-tc cos-preserve cos value
command to map a different CoS value (0-7) to 1588 packets, but it is recommended to map 1588
packets to CoS 7.
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