tmnxVdoSessionTxRTFailedPackets 1.3.6.1.4.1.6527.3.1.2.61.1.9.1.19

The value of tmnxVdoSessionTxRTFailedPackets indicates the total number of failures during the transmission of Retransmission (RT) packets. Failure happens when the packet to be sent is not stored in the video cache.