Exploration_Routing_Semester_2.pdf

Introduction to Routing

and Packet Forwarding

Routing Protocols and

Concepts – Chapter 1

Objectives

Identify a router as a computer with an OS and

hardware designed for the routing process.

Demonstrate the ability to configure devices and

apply addresses.

Describe the structure of a routing table.

Describe how a router determines a path and

switches packets

Router as a Computer

Describe the basic purpose of a router

-Computers that specialize in sending packets over the data

network. They are responsible for interconnecting networks by

selecting the best path for a packet to travel and forwarding

packets to their destination

Routers are the network center

-Routers generally have 2 connections:

-WAN connection (Connection to ISP)

-LAN connection

Router as a Computer

Data is sent in form of packets between 2 end devices

Routers are used to direct packet to its destination

(routing table)

Router as a Computer

Routers examine a packet’s destination IP address and

determine the best path by enlisting the aid of a routing

table