Wireless router is connected, the signal is very good, but still can not access the Internet causes, network line failure, router Internet set error, need to reconfigure the router.

Router: a hardware device that connects two or more networks, plays the role of gateway between networks, is a dedicated intelligent network device that reads the address in each packet and then decides how to transmit it. It understands different protocols, such as Ethernet for a particular LAN and TCP/IP for the Internet.