Router And Transmission media

Router

•Used to connect network of different types

•Means different architecture and protocols

•Direct messages in connection of several networks

•Work on network layer

•Exchange protocol info. Of message

•Find best path to send data

•Filter broadcast traffic to local segment

•Have both hardware and software

•Means configurable.

•Hardware may be a server a computer or a special device

•Software is

•Management software

•Routing protocols

•Operating system

•Routers use two type of addresses.

•Physical or mac address

•Logical or IP address

•Routers do work of a bridge but they keep the network separate.

•As have 2 addresses network address and device address so slower than bridge

•Though slower yet more intelligent than bridge as they find best path to send a packet.

Transmission media

•Links to send data in the form of signals from one node to another.