Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guide

by Reid, Allan; Lorenz, Jim; Schmidt, Cheryl A.

• ISBN13: 9781587132117
• ISBN10: 1587132117
• Edition: 1st
• Format: Paperback
• Copyright: 2008-04-25
• Publisher: Cisco Press

Summary

Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guideis the official supplemental textbook for the Introducing Routing and Switching in the Enterprise course in the Ciscoreg; Networking Academyreg; CCNAreg; Discovery curriculum version 4. The course, the third of four in the new curriculum, familiarizes you with the equipment applications and protocols installed in enterprise networks, with a focus on switched networks, IP Telephony requirements, and security. It also introduces advanced routing protocols such as Enhanced Interior Gateway Routing Protocol (EIGRP) and Open Shortest Path First (OSPF) Protocol. Hands-on exercises include configuration, installation, and troubleshooting. TheLearning Guide, written and edited by instructors, is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time. TheLearning Guiders"sfeatures help you focus on important concepts to succeed in this course: Chapter ObjectivesReview core concepts by answering the focus questions listed at the beginning of each chapter. Key TermsRefer to the lists of networking vocabulary introduced and highlighted in context in each chapter. The Glossary defines each key term. Summary of Activities and LabsMaximize your study time with this complete list of all associated exercises at the end of each chapter. Check Your UnderstandingEvaluate your readiness with the end-of-chapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer. Challenge Questions and ActivitiesApply a deeper understanding of the concepts with these challenging end-of-chapter questions and activities. The answer key explains each answer. Hands-on Labs Master the practical, hands-on skills of the course by performing all the tasks in the course labs and additional challenge labs included in Part II of the Learning Guide. How ToLook for this icon to study the steps you need to learn to perform certain tasks. Interactive ActivitiesReinforce your understanding of topics with more than 60 different exercises from the online course identified through-out the book with this icon. The files for these activities are on the accompanying CD-ROM. Packet Tracer Activities Explore and visualize networking concepts using Packet Tracer exercises interspersed throughout some chapters. The files for these activities are on the accompanying CD-ROM. Packet Tracer v4.1 software developed by Cisco is available separately. Hands-on LabsWork through all 44 course labs and 4 additional challenge labs included in Part II of the book. The labs are an integral part of the CCNA Discovery curriculum; review the core text and the lab material to prepare for all your exams. Companion CD-ROM The CD-ROM includes Interactive Activities Packet Tracer Activity files IT Career Information Taking Notes Lifelong Learning This book is part of the Cisco Networking Academy Series from Cisco Pressreg;. Books in this series support and complement the Cisco Networking Academy curriculum.

Author Biography

Allan Reid is the curriculum lead for CCNA and a CCNA and CCNP® instructor at the Centennial College CATC in Toronto, Canada. 

 

Jim Lorenz is an instructor and curriculum developer for the Cisco Networking Academy.

 

Cheryl Schmidt is a professor of Network Engineering Technology at Florida Community College at Jacksonville.

Table of Contents

Introduction	p. xxix
Concepts
Networking in the Enterprise	p. 3
Objectives	p. 3
Key Terms	p. 3
Describing the Enterprise Network	p. 4
Supporting the Business Enterprise	p. 5
Traffic Flow in the Enterprise Network	p. 5
Enterprise Campus	p. 8
Enterprise Edge	p. 8
Service Provider Edge	p. 10
Enterprise LANs and WANs	p. 10
Intranets and Extranets	p. 12
Identifying Enterprise Applications	p. 12
Traffic Flow Patterns	p. 12
Applications and Traffic on an Enterprise Network	p. 13
Network Traffic Prioritization	p. 14
Data Traffic	p. 14
Voice and Video Traffic	p. 14
Supporting Remote Workers	p. 15
Teleworking	p. 15
Virtual Private Networks	p. 16
Summary	p. 18
Activities and Labs	p. 18
Check Your Understanding	p. 19
Challenge Questions and Activities	p. 20
Exploring the Enterprise Network Infrastructure	p. 21
Objectives	p. 21
Key Terms	p. 21
Describing the Current Network	p. 22
Enterprise Network Documentation	p. 22
Business Continuity Plan	p. 24
Business Security Plan	p. 25
Network Maintenance Plan	p. 25
Service-Level Agreement	p. 25
Network Operations Center (NOC)	p. 26
Telecommunication Room Design and Considerations	p. 29
Supporting the Enterprise Edge	p. 31
Service Delivery at the Point of Presence	p. 31
Security Considerations at the Enterprise Edge	p. 32
Connecting the Enterprise Network to External Services	p. 33
Reviewing Routing and Switching	p. 34
Router Hardware	p. 35
Out-of-Band Management	p. 37
In-Band Management	p. 38
Basic Router CLI show Commands	p. 38
Basic Router Configuration Using CLI	p. 46
Switch Hardware	p. 48
Basic Switch CLI Commands	p. 50
Summary	p. 59
Activities and Labs	p. 59
Check Your Understanding	p. 60
Challenge Questions and Activities	p. 63
Switching in an Enterprise Network	p. 65
Objectives	p. 65
Key Terms	p. 65
Describing Enterprise-Level Switching	p. 67
Switching and Network Segmentation	p. 67
Multilayer Switching	p. 68
Layer 2	p. 69
Layer 3	p. 69
Types of Switching	p. 69
Store-and-Forward	p. 70
Cut-Through Switching	p. 70
Switch Security	p. 70
Preventing Switching Loops	p. 71
Redundancy in a Switched Network	p. 72
Multiple Frame Transmissions	p. 74
MAC Database Instability	p. 75
Spanning Tree Protocol (STP)	p. 75
Blocking	p. 77
Listening	p. 77
Learning	p. 77
Forwarding	p. 77
Disabled	p. 77
Root Bridges	p. 78
Spanning Tree in a Hierarchical Network	p. 79
PortFast	p. 80
UplinkFast	p. 80
BackboneFast	p. 81
STP Diagnostic show Commands	p. 81
Rapid Spanning Tree Protocol (RSTP)	p. 85
Configuring VLANs	p. 85
Virtual LAN	p. 85
Static VLANs	p. 86
Dynamic VLANs	p. 87
Configuring a Virtual LAN	p. 87
Identifying VLANs	p. 91
Trunking and Inter-VLAN Routing	p. 92
Trunk Ports	p. 92
Access Port	p. 93
Trunk Port	p. 93
Extending VLANs Across Switches	p. 94
Inter-VLAN Switching	p. 95
Maintaining VLANs on an Enterprise LAN	p. 97
VLAN Trunking Protocol (VTP)	p. 97
VTP Modes	p. 98
VTP Revision Numbers	p. 98
VTP Message Types	p. 99
Configuring VTP	p. 99
VLAN Support for IP Telephony and Wireless	p. 102
VLAN Best Practices	p. 103
Summary	p. 105
Activities and Labs	p. 105
Check Your Understanding	p. 106
Challenge Questions and Activities	p. 108
Addressing in an Enterprise Network	p. 109
Objectives	p. 109
Key Terms	p. 109
Using a Hierarchical IP Network Address Scheme	p. 110
Flat and Hierarchical Networks	p. 110
Hierarchical Network Addressing	p. 112
Using Subnetting to Structure the Network	p. 115
Using VLSM	p. 116
Subnet Mask	p. 117
Table of Contents provided by Publisher. All Rights Reserved.

Excerpts

Introduction IntroductionCisco Networking Academy is a comprehensive e-learning program that delivers information technology skills to students around the world. The Cisco CCNA Discovery curriculum consists of four courses that provide a comprehensive overview of networking, from fundamentals to advanced applications and services. The curriculum emphasizes real-world practical application, while providing opportunities for you to gain the skills and hands-on experience needed to design, install, operate, and maintain networks in small to medium-sized businesses and in enterprise and Internet service provider environments. The Introducing Routing and Switching in the Enterprise course is the third course in the curriculum.Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guideis the official supplemental textbook for the third course in v4.xof the CCNA Discovery online curriculum of the Networking Academy. As a textbook, this book provides a ready reference to explain the same networking concepts, technologies, protocols, and devices as the online curriculum. In addition, it contains all the interactive activities, Packet Tracer activities, and hands-on labs from the online curriculum and bonus labs.This book emphasizes key topics, terms, and activities and provides many alternative explanations and examples as compared with the course. You can use the online curriculum as directed by your instructor and then also use thisLearning Guide'sstudy tools to help solidify your understanding of all the topics. In addition, the book includes the following:Expanded coverage of CCNA exam materialAdditional key Glossary termsBonus labsAdditional Check Your Understanding and Challenge questions and activitiesInteractive activities and Packet Tracer activities on the CD-ROM Goal of This BookFirst and foremost, by providing a fresh, complementary perspective of the online content, this book helps you learn all the required materials of the third course in the Networking Academy CCNA Discovery curriculum. As a secondary goal, individuals who do not always have Internet access can use this text as a mobile replacement for the online curriculum. In those cases, you can read the appropriate sections of this book, as directed by your instructor, and learn the topics that appear in the online curriculum. Another secondary goal of this book is to serve as your offline study material to help prepare you for the CCNA exams. Audience for This BookThis book's main audience is anyone taking the third CCNA Discovery course of the Networking Academy curriculum. Many Networking Academies use this textbook as a required tool in the course, whereas other Networking Academies recommend the learning guides as an additional source of study and practice materials. Book FeaturesThe educational features of this book focus on supporting topic coverage, readability, and practice of the course material to facilitate your full understanding of the course material. Topic CoverageThe following features give you a thorough overview of the topics covered in each chapter so that you can make constructive use of your study time:Objectives: Listed at the beginning of each chapter, the objectives reference the core concepts covered in the chapter. The objectives match the objectives stated in the corresponding chapters of the online curriculum; however, the question format in theLearning Guideencourages you to think about finding the answers as you read the chapter."How-to" feature: When this book covers a set of steps that you need to perform for certain tasks, the text lists the steps as a how-to list. When you are studying, the ic