tmnxVdoIfStatExtRxRtcpFbReqSum 1.3.6.1.4.1.6527.3.1.2.61.1.17.1.10

The value of tmnxVdoIfStatExtRxRtcpFbReqSum indicates the total number of Real Time Transport Control Protocol (RTCP) feedback (FB) requests received for currently active sessions for the interface.