tmnxL2tpTgStatFailedTuAuth 1.3.6.1.4.1.6527.3.1.2.60.1.2.2.1.1.6

The value of tmnxL2tpTgStatFailedTuAuth indicates the number of tunnels in this tunnel group that failed authentication since the last re-initialization of the local network management subsystem, or the last time the system statistics were cleared.