These two networks - the internet on one side and your local network on the other - are completely separate. Be it through a wired or wireless connection, these devices connect not to the internet, but to your router, through which the internet is made available. The “local” side, often referred to as a LAN, for Local Area Network, consists of all of the devices connected to the network at your home or place of business. All traffic to and from internet sites and services travel over this connection. The internet side is a connection provided by your ISP. The router sits in-between, passing data traffic back and forth. You can think of your router as having two “sides”: one side is connected to the internet, and another to all of your computers and other devices. ![]() ![]() Routers perform many different functions, but their primary role, at least in the home, is to act as a gateway to the internet. It’s also important to know when asking questions and interpreting answers. It’s an important part of understanding how information travels between your computer and the internet services you use.
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