For example, broadband routers include the ability to “hide” computers behind a type of firewall, which involves slightly modifying the data as it traverses the device (referred to as NAT).Īll routers include some kind of user interface to configure how the router will treat traffic. Think of a router as a small computer that can be programmed to understand, manipulate, and route the data that it is asked to handle. Thus, a “wireless router” is nothing more than a router that happens to have a wireless access point built in. ![]() Technically, the access point is a separate device, which has simply been included in the same box as the router for convenience. ![]() Many consumer-grade routers also include a wireless access point, which is simply a way to connect more computers to the LAN to share the internet connection. In homes and small businesses, a router is mostly thought of as a way to share one internet connection with multiple computers. Most consumer-grade routers are actually fairly simple devices, with a connection to the internet on one “side” (the “outside” or WAN connection), and connections to one or more computers on the other (“inside” or LAN connections). A router is a computer network device that receives data through one connection and then sends (routes) it to other connections, perhaps making changes to the data as it passes it on.
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