Diameter Signaling Router Measurements Measurements vSTP Measurements vSTP LSS Exception measurements VstpLssDiscUnkSsn VstpLssDiscUnkSsn Measurement ID 21614 Measurement Group vSTP LSS Exception Measurement Measurement Type Simple Measurement Dimension Single Description Number of messages discarded due to unknown SSN. Collection Interval 5 min Peg Condition Measurement Scope NE, Server Recovery It is recommended to contact My Oracle Support for assistance if needed.