This object specifies the time interval in seconds that Route Report
containing complete routing table is sent. It also derives Route
Expiration time which is set to three times value of this object,
Garbage Collection time which is set to five times value of this object,
Neighbor Expiration time which is set to two times value of this object
plus 20 seconds and Leaf Confirmation time which is set to three times
value of this object plus 20 seconds.