R

Router

Alias : router

A router is a network device that allows data packets to be transferred between different networks, such as between a local area network (LAN) and the internet (WAN). It determines the best path to route the data to its destination.

A router is a network device which allows transfer data packets between different networks, such as between a local area network (LAN) and the Internet (WAN). It determines the best path to route the data to its destination.

Example :
In a home, the router receives requests from computers and smartphones to access the Internet and directs them to the internet service provider, while also managing the internal IP addresses of the local network.

To remember:

  • Essential for the network connectivity and traffic management.
  • Connect several networks between them and directs the traffic.
  • Ensure the communication between an internal network and the Internet.
  • May include features such as firewall, Wi-Fi, NAT and DHCP.