Patent ID: 8645523

Claim:
A system to manage a set history of an SNMP (Simple Network Management Protocol), the system comprising: an SNMP manager device to access a network apparatus and to request setting an object ID; an SNMP agent device to set the object ID in response to the request and to transmit corresponding set information to a plurality of SNMP manager devices connected to a network, where the transmitted corresponding set information is stored in each of the SNMP manager devices of the plurality of the SNMP manager devices that receive the corresponding set information; and a storage unit that is a set history log file to store a set history of previous and changed object IDs, wherein the SNMP manager device comprises a controller to receive the set information from the SNMP agent device and to store the set information in the storage unit, and a reader to read the set history stored in the storage unit, and wherein the SNMP manager device further comprises a selector to select an item to be applied from the set history read by the reader, and the controller to request the SNMP agent device to set an object ID of the item selected by the selector.