What is the purpose of the router?

The main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks. A router is considered a Layer 3 device because its primary forwarding decision is based on the information in the Layer 3 IP packet, specifically the destination IP address.

How do routers work?

A wireless router connects directly to a modem by a cable. This allows it to receive information from — and transmit information to — the internet. The router then creates and communicates with your home Wi-Fi network using built-in antennas. As a result, all of the devices on your home network have internet access.

What is Router and types?

Router is used to transfer data packets between networks. ... There should be at least two networks within which the router is connected i.e. either two LANs or a LAN and a WAN. Mostly routers are placed at gateways where the networks are connected. There are wired, wireless, core, edge and virtual routers available.

What is router configuration?

Configure your router to make your network complete. You need to configure the router so that it can communicate with your network components. ... You don't need to adjust the firewall; most routers set things up just as you need them. Set a Service Set Identifier, or SSID, for your wireless network.