For this first post, I will speak about the principal networks device: the router. Routers are essentials components of networks using TCP/IP, because they provides possibility to interconnect large wide area networks. Routers have two functions : Path determination: Maintain his own routing tables and the others on the network. Packet forwarding: Routers use his routing tables to determine "where" they must transmit packets. They forward packets through network interfaces to the network Read more [...]