1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 3 v3.1 Module 1 Introduction to Classless Routing

222 © 2004, Cisco Systems, Inc. All rights reserved. Purpose of This PowerPoint This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1. It was created to give instructors a PowerPoint to take and modify as their own. This PowerPoint is: NOT a study guide for the module final assessment. NOT a study guide for the CCNA certification exam. Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

333 © 2004, Cisco Systems, Inc. All rights reserved. To Locate Instructional Resource Materials on Academy Connection: Go to the Community FTP Center to locate materials created by the instructor community Go to the Tools section Go to the Alpha Preview section Go to the Community link under Resources See the resources available on the Class home page for classes you are offering Search Contact your parent academy!

444 © 2004, Cisco Systems, Inc. All rights reserved. Objectives

555 © 2004, Cisco Systems, Inc. All rights reserved. What Is VLSM and Why Is It Used?

666 © 2004, Cisco Systems, Inc. All rights reserved. A Waste of Space

777 © 2004, Cisco Systems, Inc. All rights reserved. When to Use VLSM?

888 © 2004, Cisco Systems, Inc. All rights reserved. Sous-sous réseaux

999 © 2004, Cisco Systems, Inc. All rights reserved. Sous-sous réseaux, suite

10 © 2004, Cisco Systems, Inc. All rights reserved. Calculating Subnets with VLSM

11 © 2004, Cisco Systems, Inc. All rights reserved. A Working VLSM Example

12 © 2004, Cisco Systems, Inc. All rights reserved. Route Aggregation

13 © 2004, Cisco Systems, Inc. All rights reserved. Route Summarization

14 © 2004, Cisco Systems, Inc. All rights reserved. Configuring VLSM - exercice

15 © 2004, Cisco Systems, Inc. All rights reserved. RIP History RIPv1 has the following limitations: It does not send subnet mask information in its updates. It sends updates as broadcasts on It does not support authentication. It is not able to support VLSM or classless interdomain routing (CIDR).

16 © 2004, Cisco Systems, Inc. All rights reserved. RIPv2 Features

17 © 2004, Cisco Systems, Inc. All rights reserved. Comparing RIPv1 and RIPv2

18 © 2004, Cisco Systems, Inc. All rights reserved. Configuring RIPv2

19 © 2004, Cisco Systems, Inc. All rights reserved. Verifying the RIP Configuration

20 © 2004, Cisco Systems, Inc. All rights reserved. Displaying the IP Routing Table

21 © 2004, Cisco Systems, Inc. All rights reserved. Troubleshooting RIPv2 The debug ip rip Command

22 © 2004, Cisco Systems, Inc. All rights reserved. Troubleshooting RIPv2 The debug ip rip Outputs and Meanings

23 © 2004, Cisco Systems, Inc. All rights reserved. Configuring Default Route

24 © 2004, Cisco Systems, Inc. All rights reserved. Summary