Configures gPTP Announce parameters on the specified ports. Announce messages are used to elect the grandmaster clock and determine the time-synchronous spanning tree.
| port_list | Specifies one or more of the switch's physical ports. |
| only | Apply change only to specified port, even if port is master of a load sharing group. |
| all | Specifies all of the switch's physical ports. |
| log_2_interval | The interval between Announce messages used by the switch on the port when the port is initialized or when the switch receives a message interval request TLV with announceInterval value 126. This value is in log 2 seconds. The valid range of values is -3 (2-3 = 0.125 seconds) to 17 (217 = 131072 seconds). |
| timeout_count | On a gPTP slave port, the number of announce intervals to wait without receiving an Announce message before assuming the master is no longer sending Announce messages. |
Use this command to configure gPTP Announce parameters on the specified ports. Announce messages are used to elect the grandmaster clock and determine the time-synchronous spanning tree. Announce selects the grandmaster in the network and establishes the tree from the grandmaster to all other time-aware systems in the network.
initial-interval corresponds to 802.1AS parameter initialLogAnnounceInterval.
receipt-timeout corresponds to 802.1AS parameter announceReceiptTimeout.
# configure network-clock gptp ports 1-2 announce initial-interval 127 # configure network-clock gptp ports all announce receipt-timeout 5
This command was first available in ExtremeXOS 15.3.
This command is available on platforms that support the AVB feature pack license and have it installed. For complete information about software licensing, including how to obtain and upgrade your license, and which platforms support the AVB feature, see the Switch Engine v33.1.1 Licensing Guide document.