Router
Configuration
Date 3/2/2010
Objective Configure a new Cisco Router
Aim
Understand how to use the Cisco IOS command line interface (CLI) to configure and manage a Cisco router.
Cisco Router
Cisco Router is a network hardware device which we can
use to interconnect different networks to communicate with each other. It is
running under Network Layer (layer 3) in OSI model and uses many protocols to
communicate. Cisco Router contains several interfaces. They are,
Console and auxiliary- used to configure the device.
Auxiliary -
used to configure the router from remote area via dial-up connection.
Router has its own
operating system which is called as Internetwork operating system. And its main
components are Ram, Rom, Flash, NV Ram, Interfaces and CPU.
Equipment
List
Cisco router
Personal computer
 |
| PC and router arrangement |
We can
also configure the when we connect with a LAN. Initially we can connect with
Router & can configure.
Procedure:
Initially we will probably configure our router from a
terminal. If the router is already configured and at least one port is
configured with an IP address and it has a physical connection to the network. If it is not already configured, then you will have to directly
connect to it with a terminal and a serial cable. Plug a serial cable into a
serial (COM) port on the PC and the other end into the console port on the
Cisco router. Start HyperTerminal, tell it which COM port to use and click OK. If the router is not on,
turn it on. Then Run the Cisco IOS software. Using that Prompt we can configure the Router from giving
following commands.
If the router is configured before.
First we
can see,
Password:
After
giving the password & press enter
cisco>?
We can see name of the router as “Cisco”.
If the router is not configured before we can see,
Router>?
