An ospfLsdbApproachingOverflow trap signifies that the number of LSAs in the router's link state database has exceeded ninety percent of ospfExtLsdbLimit.
1.3.6.1.2.1.14.16.2.15
Trap : ospfLsdbApproachingOverflow Objects : { ospfRouterId, ospfExtLsdbLimit } OID : "1.3.6.1.2.1.14.16.2.15" object : ospfExtLsdbLimit type : Integer32 object : ospfRouterId type : RouterID