Network connection system of network electronic device and method allowing a terminal device to access an electronic device connected behind a router without a NAT loopback function

摘要

A method allowing a terminal device to access an electronic device connected behind a router without a NAT loopback function that includes following steps: sending a connection request having identification information to a network bridge device by a terminal device to connect to the network electronic device; sending a broadcast signal by the terminal device to search the network electronic device if the terminal device is unable to connect to the network electronic device according to the identification information; sending a response signal to the terminal device after the network electronic device receiving the broadcast signal; allowing the terminal device to connect to the network electronic device according to the response signal.