An entry corresponding to a change in value of one of the OIDs defined in extremeSmartTrapRulesTable. Entries are indexed by a pointer to the relevant row in RMON2 trapDestTable that a manager created in order to receive trap notifications of these events. Entries are created in this table whenever the value of one of the OIDs defined by extremeSmartTrapRulesSupportedOID changes. Entries are deleted when a get or get-next operation is performed on that entry. A get operation for a non-existent entry returns a noSuchInstance error.