摘要 |
PROBLEM TO BE SOLVED: To solve the problem in which, when performing a control such as a band control from an address pool to an address assigned to a user at a repeating device such as a router, there is a possibility of being transmitted to another user not to be controlled in a state where the address is still be a control target.SOLUTION: A reassignment impossible period of an address of a control target is set. The reassignment impossible period is made to be longer than an update period of a control target at a repeating device. |