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Disabling Active/Standby Switchover Upon Abnormal OSPF LSA Aging
Context
If the aging timer expires on the local device due to an abnormality, the local device incorrectly clears all Router LSAs from the remote device, which causes route flapping and service interruptions. To resolve this issue, active/standby switchover upon abnormal OSPF LSA aging is automatically enabled. Active/standby switchover is triggered to restore network connections and service traffic when the following condition is met:
(Number of incorrectly cleared Router LSAs/Total number of Router LSAs) x 100% ≥ 80% (Router LSAs are those sent by the remote device to the local device.)
To disable function of triggering an active/standby switchover upon abnormal OSPF LSA aging, run the ospf maxage-lsa auto-protect disable command.