1. Configuration of Cisco Routers in GNS3

2. Group Members
M.Saeed Yasin
Syed Kashif Raza

3. Table of Contents What is GNS3? Installation Configuration
Making a Simple Network
Router Configuration
Some important commands
Adding a PC to Network
Checking Connectivity
Conclusion

4. What is GNS3 ? Graphical Network Simulator Version 3
Allows simulation of complex networks
GNS3 is an excellent complementary tool to real labs for Cisco network engineers
Burning question is what is GNS3?

5. GNS3 Download Site

6. Installation Node Types
Main Workspace
File options - New, Open, Save, Save As
Clear topology, Show interface names, Show host names, Add a link

7. Configuration Step-1 Add IOS
Cisco IOS = Cisco Internetwork Operating System
IOS is used in all the Cisco routers, switches etc.

8. Configuration Step-2 Start Router
Note: You must have to have an IOS for the router which you are going to use.
If no potentially better idle pc value is found, run it again.

9. Making A Simple Network
Add link
Show Interface
Start Routers

10. Router R0 Configuration
You will be prompted to ‘enter initial configuration dialog?’
This all is happening in the console window.

11. Router R0 Configuration
Protocol Configuration
Similarly assign an IP of /24 to R1.

12. Some Important Commands
Use of ‘?’
‘Show’ command
‘ping’ command
‘configure terminal’ command
‘interface’ command

13. Adding PC to Network Software ‘vpcs.exe’
For details please visit wiki page.

14. Checking Connectivity
ping
traceroute
Show ip route
VPCS 1

15. Conclusion GNS3 can be used to simulate networks
GNS3 can be used to design solutions for network problems
On GNS3 we can practice the configuration of routers without the need of physical routers.

16. Thanks…..
Any Questions? ….