tmnxVdoGrpSrcTxFailedPackets 1.3.6.1.4.1.6527.3.1.2.61.1.7.1.19

The value of tmnxVdoGrpSrcTxFailedPackets indicates the total number of failures during the transmission of packets on this multicast channel. Failure happens when the packet to be sent is not stored in the video cache.