The time (in seconds) remaining before the sampler is released and stops sampling. When set, the owner establishes control for the specified period. When read, the remaining time in the interval is returned. A management entity wanting to maintain control of the sampler is responsible for setting a new value before the old one expires. When the interval expires, the agent is responsible for restoring all other entities in this row to their default values. It must also free all other resources associated with this sFlowRcvrTable entry. The value 0 indicate it is never time out.