Lec-14: Routers in Computer Networks | Physical, data link and network layer device

Routers(Physical, Data link, Network layer)
Forwarding.
Filtering.
Routing.
Flooding.
Collision.
A router is a device that connects two or more packet-switched networks or subnetworks. It serves two primary functions: managing traffic between these networks by forwarding data packets to their intended IP addresses, and allowing multiple devices to use the same Internet connection.

Physical layer devices are hubs, cables, modems, repeaters.
Data link layer devices are bridges, switch, network interface card.
Network layer devices are routers and Brouters (Bridge routers).

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