Measurements Measurements vSTP measurements vSTP M3UA Usage measurements VstpTxASPActiveAck VstpTxASPActiveAck Measurement ID 21014 Measurement Group vSTP M3UA Usages Measurement Type Simple Measurement Dimension Single Description The number of ASP-ACTIVE-ACK messages sent by the vSTP server. Collection Interval 30 min Peg Condition Each time an ASP-ACTIVE-ACK message is sent. Measurement Scope NE, Server Recovery No action required.