ospfv3ExitOverflowInterval 1.3.6.1.2.1.191.1.1.12

The number of seconds that, after entering Overflow state, a router will attempt to leave Overflow state. This allows the router to again originate non-default, AS-External-LSAs. When set to 0, the router will not leave Overflow state until restarted. This object is persistent, and when written, the entity SHOULD save the change to non-volatile storage.