tmnxL2tpTuStatusClosedTime 1.3.6.1.4.1.6527.3.1.2.60.1.3.2.2.1.29

The value of the object tmnxL2tpTuStatusClosedTime indicates the value of sysUpTime when this Layer Two Tunneling Protocol Tunnel entered one of the closed states. The value zero means that this tunnel has not been closed yet.