tmnxOamMacPingHistoryResponse 1.3.6.1.4.1.6527.3.1.2.11.1.7.1.3

The amount of time measured in microseconds from when a OAM probe was sent to when its response was received or when it timed out. The value of this object is reported as 0 when it is not possible to transmit an OAM probe.