NETWORK DEVICE AND SUPPORT SYSTEM

PROBLEM TO BE SOLVED: To easily support setting work relating to a network device by connecting the network device to a plurality of network environments and easily switching network addresses to be used to make communication. SOLUTION: For example, both a private network address and a global network address are stored inside the network device 1A, and the addresses are switched by remote control from a terminal 5 provided at a remote place via networks 7, 8 so as to be accessed from both the Internet 7 and the LAN 8. A web server 3 in a station 2 of a manufacturer provides files to be used for supporting, and remotely controls the device 1A in a user's station 4 by using the Internet 7 to support the device 1A. COPYRIGHT: (C)2004,JPO