CONSTITUTION DEFINITION INFORMATION UPDATING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a constitution definition information updating method for automatically updating constitution definition information of both devices by means of updating constitution definition information on one device. SOLUTION: A present system device 110 executing the relaying processing of a packet and a standby system device 120 standing by for executing the relaying processing of the packet instead of the present system device when a fault occurs in the present system device are provided for a router device where constitution definition information of the same content are given to the respective devices and communication ca be executed between the devices through an inter-device channel 130. Constitution definition information of the two devices and simultaneously updated by a function for automatically updating constitution definition information 121 of one device when constitution definition information is updated during an operation.