CLOSED USER GROUP NETWORK MANAGEMENT METHOD AND DEVICE THEREFOR

摘要

PROBLEM TO BE SOLVED: To manage a closed user group(CUG) without increasing the number of management system of the network as a whale without, adding a special function to a communication device or providing the operall network system with redundant management information as much as possible. SOLUTION: A network management system(NKS) is incorporated with an NMS management table means 10, a table retrieval means 11 and an information retrieval-set/alarm transmission and reception means 12. An element management system(EMS) is incorporated with an EMS management table means 20, a table retrieval means 21 and an information retrieval-set/alarm transmission and reception means 22. When the NMS manages a structure/state of the CUG, an interface number of the CUG is retrieved by a key, and the EMS responds a MAC address of a user terminal corresponding to the interface number with respect to a request from the NMS.