h3cNATClearSessionSlotNo 1.3.6.1.4.1.43.45.1.10.2.18.1.1.1

The number of NAT board in which administrator wants to clear data of the session. In router, the value is 255 because no NAT board in it. This node only supports 'set' operation. The return value of 'get' operation is meaningless.