tmnxL2tpPeerDrain 1.3.6.1.4.1.6527.3.1.2.60.1.4.2.1.1.1

Setting this object to 'drain (0)' triggers an attempt to drain all tunnels between this system and a particular L2TP peer. Setting it to 'stopDrain (1)' stops the draining. Reading this object returns the value 'notApplicable'.