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Dell SmartFabric OS10 User Guide Release 10.5.3

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Example: Configure end-to-end transparent clock

Ensure that you configure the following on the OS10 switch:

  • Enable IP multicast routing.
  • Configure the IP address on the PTP-enabled interfaces.
  • Enable PIM sparse mode on the PTP-enabled interfaces.
  • Configure a rendezvous point (RP) or a bootstrap router (BSR).
  • The OS10 switch sends all PTP packets to the multicast group address, 224.0.1.129. Ensure that the PTP-enabled interfaces are part of this multicast group. Use IGMP and PIM for multicast routing.
You can enable the end-to-end transparent clock globally on the OS10 switch. The system applies this configuration on all the PTP-enabled interfaces. In the following example, port 1 is connected to the grandmaster clock and port 2 is connected to a slave device. Ports 1 and 2 are members of the multicast group, 224.0.1.129.
NOTE: OS10 does not support PTP multicast IPv6 negotiation in transparent clock mode.
Configure end-to-end transparent clock

To configure an end-to-end transparent clock, use the following command: 

OS10(config)# ptp clock end-to-end-transparent
The system updates the residence time in the correction field of the message and forwards the PTP messages.

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