Post on 24-Jan-2016
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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 http://www.cisco.com
• 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
QuickTime™ et undécompresseur TIFF (LZW)
sont requis pour visionner cette image.
999© 2004, Cisco Systems, Inc. All rights reserved.
Sous-sous réseaux, suite
QuickTime™ et undécompresseur TIFF (LZW)
sont requis pour visionner cette image.
101010© 2004, Cisco Systems, Inc. All rights reserved.
Calculating Subnets with VLSM
111111© 2004, Cisco Systems, Inc. All rights reserved.
A Working VLSM Example
121212© 2004, Cisco Systems, Inc. All rights reserved.
Route Aggregation
131313© 2004, Cisco Systems, Inc. All rights reserved.
Route Summarization
141414© 2004, Cisco Systems, Inc. All rights reserved.
Configuring VLSM - exercice
151515© 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 255.255.255.255.
It does not support authentication.
It is not able to support VLSM or classless interdomain routing (CIDR).
161616© 2004, Cisco Systems, Inc. All rights reserved.
RIPv2 Features
171717© 2004, Cisco Systems, Inc. All rights reserved.
Comparing RIPv1 and RIPv2
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Summary