Which command displays the current statistics on a HA pair?

The command that displays the current statistics on a High Availability (HA) pair is "diagnose sys ha status." This command provides detailed information about the HA configuration, including the roles of the devices in the pair, their operational status, synchronization information, and other relevant statistics that help administrators monitor the health and performance of the HA setup.

Using this command is crucial in a maintenance or troubleshooting scenario because it aids in understanding how well the HA devices are functioning together and if there are any issues that need to be addressed. Information obtained from this command can help in assessing whether the primary and secondary devices are synchronized, which is a critical aspect of ensuring high availability.

The other commands focus on different aspects of the network:

• The command that retrieves OSPF database information provides insight into OSPF routing information, which is unrelated to the HA status.

• A command that dumps HA information by cluster also provides HA information but may not summarize the current operational state as directly as the "diagnose sys ha status."

• The command that displays OSPF interface information is more geared towards understanding the status of OSPF-enabled interfaces rather than HA settings.

Therefore, "diagnose sys ha status" is specifically designed for reviewing the current HA statistics, making it