tmnxL2tpPeerStatControlRxPkts 1.3.6.1.4.1.6527.3.1.2.60.1.4.1.1.1.12

The value of tmnxL2tpPeerStatControlRxPkts indicates the number of control packets received by this tunnel since the last re-initialization of the local network management subsystem, or the last time the tunnel statistics were cleared.