tmnxVdoGrpSrcRTClientTxRTReqReTx 1.3.6.1.4.1.6527.3.1.2.61.1.7.1.27

The value of tmnxVdoGrpSrcRTClientTxRTReqReTx indicates the total number of repeat Retransmission (RT) requests attempted by the RT client.