Configuring Time Attributes for CU-106 Packets

This section describes how to configure time attributes for CU-106 packets. T-BCs exchange Announce, Sync, and Delay or Pdelay packets to send time information and maintain CU-106 connections. You can set the interval at which a CU-106 interface sends Announce, Sync, and Delay or Pdelay packets and the maximum number of Announce packet timeouts. Using the default time attribute values is recommended.

Context

Perform the following operations on the T-BC:

Procedure

Configure time attributes for Announce packets.
1. Run system-view
  The system view is displayed.
2. Run interface interface-type interface-number
  The interface view is displayed.
3. Run ptp announce-interval announce-interval
  The interval at which the interface sends Announce packets is set. The following formula applies:
  
  Interval = 2ⁿ x 1/1024s, where n equals to announce-interval
  
  Remote timeout period of receiving Announce packets = Remotely configured receipt-timeout x Local interval at which Announce packets are sent
4. Run ptp announce receipt-timeout receipt-timeout
  The maximum number of Announce packets that the interface fails to receive is set. If the interface fails to consecutively receive the specified maximum number of Announce packets, the interface enters the Master state.
  
  Local timeout period of receiving Announce packets = Locally configured receipt-timeout x Remote interval at which Announce packets are sent
5. Run commit
  The configuration is committed.
Configure time attributes for Sync packets.
1. Run system-view
  The system view is displayed.
2. Run interface interface-type interface-number
  The interface view is displayed.
3. Run ptp sync-interval sync-interval
  The interval at which the interface sends Sync packets is set. The following formula applies:
  
  Interval = 2ⁿ x 1/1024s, where n equals to sync-interval
4. Run commit
  The configuration is committed.
Configure time attributes for Delay or Pdelay packets.
1. Run system-view
  The system view is displayed.
2. Run interface interface-type interface-number
  The interface view is displayed.
3. Run ptp min-delayreq-interval min-delayreq-interval
  The interval at which the interface sends Delay_Req packets is set. The following formula applies:
  
  Interval = 2ⁿ x 1/1024s, where n equals to min-delayreq-interval
4. Run commit
  The configuration is committed.