Network address translations solve the problem if sharing a single IP address to multiple computers. Without NAT, all computers must be assigned with a valid Internet IP address to get connected to Internet, but Internet service providers only provide very few IP addresses to every user. Therefore it’s necessary to use NAT technology to share a single Internet IP address to multiple computers on local network, so everyone can get connected to Internet.
This broadband router supports four types of NAT functions, and the instructions of these functions will be given below.