tmnxLudbHostPppL2tpTunnelGroup 1.3.6.1.4.1.6527.3.1.2.51.1.21.1.205

The value of the object tmnxLudbHostPppL2tpTunnelGroup specifies the tunnel group to use to setup an L2TP tunnel/session. If the value of this object is the empty string, no L2TP tunneling will be done.