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A '''router''' is a [[computer]] device which aggregates the [[network]] needs of many computers, and distributes [[bandwidth]] from a central [[broadband]] connection.

A '''router''' is a [[computer]] device which aggregates the [[network]] needs of many computers, and distributes [[bandwidth]] from a central [[broadband]] connection.

A router works bt having a unique address on each port and a map of the network in an internal table. The router reads a packet from an incoming port, looks it up in the table , and sends it out the appropriate port.  

A router works by having a unique address on each port and a map of the network in an internal table. The router reads a packet from an incoming port, looks it up in the table , and sends it out the appropriate port.  

There are a number of protocols for managing the network address tables of the routers.  

There are a number of protocols for managing the network address tables of the routers.