<P> A router is a networking device that forwards data packets between computer networks . Routers perform the traffic directing functions on the Internet . A data packet is typically forwarded from one router to another router through the networks that constitute an internetwork until it reaches its destination node . </P> <P> A router is connected to two or more data lines from different networks . When a data packet comes in on one of the lines, the router reads the network address information in the packet to determine the ultimate destination . Then, using information in its routing table or routing policy, it directs the packet to the next network on its journey . </P>

What is one of the primary or basic functions that a wireless router usually performs