nbsEfmOamUniEventNotificationRx 1.3.6.1.4.1.629.300.1.3.1.1.18

A count of the OAMPDUs received that contain the Event Notification code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in CROSS REF Table 43B-3, (4) the OAM code equals the Event Notification code, (5) the Sequence Number field is not equal to the Sequence Number field of the last received Event Notification OAMPDU and is supported by the device.