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Viser: Cisco CCNA - Routing and Switching ICND2 200-101
Cisco CCNA
Routing and Switching ICND2 200-101
Wendell Odom
(2013)
Sprog: Engelsk
Pearson Education, Limited
632,00 kr.
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Detaljer om varen
- Hardback: 704 sider
- Udgiver: Pearson Education, Limited (Juni 2013)
- ISBN: 9781587144882
CCNA ICND2 200-101 Official Cert Guide, Academic Edition, is a comprehensive textbook and study package for an intermediate-level networking course. This book has been completely revised to align to Cisco''s new CCNA 200-101 ICND2 exam. Material is presented in a concise manner, focusing on increasing student''s retention and recall of exam topics. The book is printed in four color, allowing students to benefit from carefully crafted figures that utilize color to convey concepts. Students will organize their study through the use of the consistent features in these chapters, including:
- Foundation Topics -- These sections make up the majority of the page count, explaining concepts, configurations, with emphasis on the theory and concepts, and with linking the theory to the meaning of the configuration commands.
- Key Topics -- Inside the Foundation Topics sections, every figure, table, or list that should absolutely be understood and remembered for the exam is noted with the words "Key Topic" in the margin. This tool allows the reader to quickly review the most important details in each chapter.
- Chapter-ending Summaries -- These bulleted lists provide a quick and concise review of the key topics covered in each chapter.
- Chapter-ending Review Questions -- Each chapter provides a set of multiple choice questions that help student''s test their knowledge of the chapter concepts, including answers and full explanations.
- Chapter-ending Exercises -- Each chapter concludes with a series of exercises designed to help students increase their retention of the chapter content including key term reviews, key topic tables, command review exercises, and memory table exercises.
- Part Reviews -- This new edition includes a new part review feature that helps students consolidate their knowledge of concepts presented across multiple chapters. A new mind mapping exercise helps students build strong mental maps of concepts. A new exam bank of part review questions helps students test themselves with scenario-based questions that span multiple topics.
In addition to these powerful chapter learning, review, and practice features, this book also contains several other features that make it a truly effective and comprehensive study package, including:
- A Getting Started chapter at the beginning of the book offer terrific advice for how to use the book features and build an effective study plan.
- The DVD contains over 60 minutes of video mentoring from the author on challenging topics such as OSPF, EIGRP, EIGRP Metrics, PPP, and CHAP.
- The book comes complete with the CCNA ICND2 Network Simulator Lite software, providing students with the opportunity to practice their hands-on command line interface skills with Cisco routers and switches. The 13 labs included for free with this product cover a range of EIGRP configuration and troubleshooting exercises.
- The Pearson IT Certification Practice Test software that comes with the book includes 4 full ICND2 exams and 4 full CCNA exams, providing tons of opportunities to assess and practice. Including the book review questions and part review questions, the exam bank includes more than 500 unique practice questions.
- A Final Preparation Chapter helps students review for final exams and prepare to take the official Cisco CCNA exams, if they want to achieve that certification.
- A Study Plan Template is included on the DVD to help students organize their study time.
Introduction xxvi Getting Started 3
Part I: LAN Switching 9
Chapter 1 Spanning Tree Protocol Concepts 10 Foundation Topics 11 LAN Switching Review 11 LAN Switch Forwarding Logic 11 Switch Verification 12 Viewing the MAC Address Table 12 Determining the VLAN of a Frame 13 Verifying Trunks 15 Spanning Tree Protocol (IEEE
802.1D) 15 The Need for Spanning Tree 16 What IEEE
802.1D Spanning Tree Does 18 How Spanning Tree Works 19 The STP Bridge ID and Hello BPDU 20 Electing the Root Switch 21 Choosing Each Switch''s Root Port 23 Choosing the Designated Port on Each LAN Segment 24 Influencing and Changing the STP Topology 25 Making Configuration Changes to Influence the STP Topology 25 Reacting to State Changes That Affect the STP Topology 26 How Switches React to Changes with STP 26 Changing Interface States with STP 28 Optional STP Features 29 EtherChannel 29 PortFast 30 BPDU Guard 30 Rapid STP (IEEE
802.1w) 31 Review Activities 32
Chapter 2 Spanning Tree Protocol Implementation 36 Foundation Topics 37 STP Configuration and Verification 37 Setting the STP Mode 37 Connecting STP Concepts to STP Configuration Options 38 Per-VLAN Configuration Settings 38 The Bridge ID and System ID Extension 39 Per-VLAN Port Costs 40 STP Configuration Option Summary 40 Verifying STP Operation 40 Configuring STP Port Costs 43 Configuring Priority to Influence the Root Election 45 Configuring PortFast and BPDU Guard 46 Configuring EtherChannel 47 Configuring a Manual EtherChannel 48 Configuring Dynamic EtherChannels 50 STP Troubleshooting 50 Determining the Root Switch 51 Determining the Root Port on Nonroot Switches 52 STP Tiebreakers When Choosing the Root Port 53 Suggestions for Attacking Root Port Problems on the Exam 54 Determining the Designated Port on Each LAN Segment 54 Suggestions for Attacking Designated Port Problems on the Exam 55 STP Convergence 56 Troubleshooting EtherChannel 56 Incorrect Options on the channel-group Command 57 Configuration Checks Before Adding Interfaces to EtherChannels 58 Review Activities 60
Chapter 3 Troubleshooting LAN Switching 64 Foundation Topics 65 Generalized Troubleshooting Methodologies 65 Analyzing and Predicting Normal Network Operation 65 Data Plane Analysis 66 Control Plane Analysis 67 Predicting Normal Operations: Summary of the Process 68 Problem Isolation 68 Root Cause Analysis 69 Real World Versus the Exams 70 Troubleshooting the LAN Switching Data Plane 70 An Overview of the Normal LAN Switch Forwarding Process 71 Step
1: Confirm the Network Diagrams Using CDP 72 Step
2: Isolate Interface Problems 73 Interface Status Codes and Reasons for Nonworking States 74 The notconnect State and Cabling Pinouts 75 Determining Switch Interface Speed and Duplex 76 Issues Related to Speed and Duplex 77 Step
3: Isolate Filtering and Port Security Problems 79 Step
4: Isolate VLAN and Trunking Problems 82 Ensuring That the Right Access Interfaces Are in the Right VLANs 83 Access VLANs Not Being Defined or Not Being Active 83 Identify Trunks and VLANs Forwarded on Those Trunks 84 Troubleshooting Examples and Exercises 86 Troubleshooting Example
1: Find Existing LAN Data Plane Problems 86 Step
1: Verify the Accuracy of the Diagram Using CDP 87 Step
2: Check for Interface Problems 88 Step
3: Check for Port Security Problems 90 Step
4: Check for VLAN and VLAN Trunk Problems 91 Troubleshooting Example
2: Predicting LAN Data Plane Behavior 94 PC1 ARP Request (Broadcast) 95 R1 ARP Reply (Unicast) 98 Review Activities 102
Part I Review 104
Part II: IP Version 4 Routing 109
Chapter 4 Troubleshooting IPv4 Routing
Part I 110 Foundation Topics 111 Predicting Normal IPv4 Routing Behavior 111 Host IPv4 Routing Logic 111 Routing Logic Used by IPv4 Routers 112 IP Routing Logic on a Single Router 112 IP Routing from Host to Host 113 Building New Data Link Headers Using ARP Information 114 Problem Isolation Using the ping Command 115 Ping Command Basics 115 Strategies and Results When Testing with the ping Command 116 Testing Longer Routes from Near the Source of the Problem 117 Using Extended Ping to Test the Reverse Route 119 Testing LAN Neighbors with Standard Ping 121 Testing LAN Neighbors with Extended Ping 122 Testing WAN Neighbors with Standard Ping 122 Using Ping with Names and with IP Addresses 123 Problem Isolation Using the traceroute Command 124 traceroute Basics 124 How the traceroute Command Works 125 Standard and Extended traceroute 126 Using traceroute to Isolate the Problem to Two Routers 127 Review Activities 130
Chapter 5 Troubleshooting IPv4 Routing
Part II 132 Foundation Topics 133 Problems Between the Host and the Default Router 133 Root Causes Based on a Host''s IPv4 Settings 133 Ensure IPv4 Settings Correctly Match 133 Mismatched Masks Impact Route to Reach Subnet 134 Typical Root Causes of DNS Problems 136 Wrong Default Router IP Address Setting 137 Root Causes Based on the Default Router''s Configuration 137 Mismatched VLAN Trunking Configuration with Router on a Stick 138 DHCP Relay Issues 140 Router LAN Interface and LAN Issues 141 Problems with Routing Packets Between Routers 143 IP Forwarding by Matching the Most Specific Route 143 Using show ip route and Subnet Math to Find the Best Route 144 Using show ip route address to Find the Best Route 145 show ip route Reference 145 Routing Problems Caused by Incorrect Addressing Plans 146 Recognizing When VLSM Is Used or Not 147 Overlaps When Not Using VLSM 147 Overlaps When Using VLSM 148 Configuring Overlapping VLSM Subnets 149 Router WAN Interface Status 150 Filtering Packets with Access Lists 151 Review Activities 153
Chapter 6 Creating Redundant First-Hop Routers 156 Foundation Topics 157 FHRP Concepts 157 The Need for Redundancy in Networks 157 The Need for a First Hop Redundancy Protocol 159 The Three Solutions for First-Hop Redundancy 160 HSRP Concepts 160 HSRP Failover 161 HSRP Load Balancing 162 GLBP Concepts 163 FHRP Configuration and Verification 164 Configuring and Verifying HSRP 164 Configuring and Verifying GLBP 167 Review Activities 170
Chapter 7 Virtual Private Networks 176 Foundation Topics 177 VPN Fundamentals 177 IPsec VPNs 179 SSL VPNs 181 GRE Tunnels 181 GRE Tunnel Concepts 182 Routing over GRE Tunnels 182 GRE Tunnels over the Unsecured Network 183 Configuring GRE Tunnels 185 Verifying a GRE Tunnel 187 Review Activities 190
Part II Review 194
Part III: IP Version 4 Routing Protocols 199
Chapter 8 Implementing OSPF for IPv4 200 Foundation Topics 201 OSPF Protocols and Operation 201 OSPF Overview 201 Becoming Neighbors and Exchanging the LSDB 202 Agreeing to Become Neighbors 202 Fully Exchanging LSAs with Neighbors 203 Maintaining Neighbors and the LSDB 204 Using Designated Routers on Ethernet Links 205 Scaling OSPF Using Areas 206 OSPF Areas 207 How Areas Reduce SPF Calculation Time 208 OSPF Area Design Advantages 209 Link-State Advertisements 209 Router LSAs Build Most of the Intra-Area Topology 210 Network LSAs Complete the Intra-Area Topology 211 LSAs in a Multi-Area Design 212 Calculating the Best Routes with SPF 214 Administrative Distance 215 OSPF Configuration and Verification 216 OSPFv2 Configuration Overview 216 Multi-Area OSPFv2 Configuration Example 217 Single-Area Configurations 218 Multi-Area Configuration 219 Verifying the Multi-Area Configuration 220 Verifying the Correct Areas on Each Interface on an ABR 221 Verifying Which Router Is DR and BDR 221 Verifying the Number and Type of LSAs 222 Verifying OSPF Routes 223 OSPF Metrics (Cost) 223 Setting the Cost Based on Interface Bandwidth 224 The Need for a Higher Reference Bandwidth 225 OSPF Load Balancing 225 Review Activities 226
Chapter 9 Understanding EIGRP Concepts 230 Foundation Topics 231 EIGRP and Distance Vector Routing Protocols 231 Introduction to EIGRP 231 Basic Distance Vector Routing Protocol Features 233 The Concept of a Distance and a Vector 233 Full Update Messages and Split Horizon 234 Route Poisoning 236 EIGRP as an Advanced DV Protocol 237 EIGRP Sends Partial Update Messages, As Needed 237 EIGRP Maintains Neighbor Status Using Hello 237 Summary of Interior Routing Protocol Features 238 EIGRP Concepts and Operation 239 EIGRP Neighbors 239 Exchanging EIGRP Topology Information 240 Calculating the Best Routes for the Routing Table 241 The EIGRP Metric Calculation 241 An Example of Calculated EIGRP Metrics 242 Caveats wit
Part I: LAN Switching 9
Chapter 1 Spanning Tree Protocol Concepts 10 Foundation Topics 11 LAN Switching Review 11 LAN Switch Forwarding Logic 11 Switch Verification 12 Viewing the MAC Address Table 12 Determining the VLAN of a Frame 13 Verifying Trunks 15 Spanning Tree Protocol (IEEE
802.1D) 15 The Need for Spanning Tree 16 What IEEE
802.1D Spanning Tree Does 18 How Spanning Tree Works 19 The STP Bridge ID and Hello BPDU 20 Electing the Root Switch 21 Choosing Each Switch''s Root Port 23 Choosing the Designated Port on Each LAN Segment 24 Influencing and Changing the STP Topology 25 Making Configuration Changes to Influence the STP Topology 25 Reacting to State Changes That Affect the STP Topology 26 How Switches React to Changes with STP 26 Changing Interface States with STP 28 Optional STP Features 29 EtherChannel 29 PortFast 30 BPDU Guard 30 Rapid STP (IEEE
802.1w) 31 Review Activities 32
Chapter 2 Spanning Tree Protocol Implementation 36 Foundation Topics 37 STP Configuration and Verification 37 Setting the STP Mode 37 Connecting STP Concepts to STP Configuration Options 38 Per-VLAN Configuration Settings 38 The Bridge ID and System ID Extension 39 Per-VLAN Port Costs 40 STP Configuration Option Summary 40 Verifying STP Operation 40 Configuring STP Port Costs 43 Configuring Priority to Influence the Root Election 45 Configuring PortFast and BPDU Guard 46 Configuring EtherChannel 47 Configuring a Manual EtherChannel 48 Configuring Dynamic EtherChannels 50 STP Troubleshooting 50 Determining the Root Switch 51 Determining the Root Port on Nonroot Switches 52 STP Tiebreakers When Choosing the Root Port 53 Suggestions for Attacking Root Port Problems on the Exam 54 Determining the Designated Port on Each LAN Segment 54 Suggestions for Attacking Designated Port Problems on the Exam 55 STP Convergence 56 Troubleshooting EtherChannel 56 Incorrect Options on the channel-group Command 57 Configuration Checks Before Adding Interfaces to EtherChannels 58 Review Activities 60
Chapter 3 Troubleshooting LAN Switching 64 Foundation Topics 65 Generalized Troubleshooting Methodologies 65 Analyzing and Predicting Normal Network Operation 65 Data Plane Analysis 66 Control Plane Analysis 67 Predicting Normal Operations: Summary of the Process 68 Problem Isolation 68 Root Cause Analysis 69 Real World Versus the Exams 70 Troubleshooting the LAN Switching Data Plane 70 An Overview of the Normal LAN Switch Forwarding Process 71 Step
1: Confirm the Network Diagrams Using CDP 72 Step
2: Isolate Interface Problems 73 Interface Status Codes and Reasons for Nonworking States 74 The notconnect State and Cabling Pinouts 75 Determining Switch Interface Speed and Duplex 76 Issues Related to Speed and Duplex 77 Step
3: Isolate Filtering and Port Security Problems 79 Step
4: Isolate VLAN and Trunking Problems 82 Ensuring That the Right Access Interfaces Are in the Right VLANs 83 Access VLANs Not Being Defined or Not Being Active 83 Identify Trunks and VLANs Forwarded on Those Trunks 84 Troubleshooting Examples and Exercises 86 Troubleshooting Example
1: Find Existing LAN Data Plane Problems 86 Step
1: Verify the Accuracy of the Diagram Using CDP 87 Step
2: Check for Interface Problems 88 Step
3: Check for Port Security Problems 90 Step
4: Check for VLAN and VLAN Trunk Problems 91 Troubleshooting Example
2: Predicting LAN Data Plane Behavior 94 PC1 ARP Request (Broadcast) 95 R1 ARP Reply (Unicast) 98 Review Activities 102
Part I Review 104
Part II: IP Version 4 Routing 109
Chapter 4 Troubleshooting IPv4 Routing
Part I 110 Foundation Topics 111 Predicting Normal IPv4 Routing Behavior 111 Host IPv4 Routing Logic 111 Routing Logic Used by IPv4 Routers 112 IP Routing Logic on a Single Router 112 IP Routing from Host to Host 113 Building New Data Link Headers Using ARP Information 114 Problem Isolation Using the ping Command 115 Ping Command Basics 115 Strategies and Results When Testing with the ping Command 116 Testing Longer Routes from Near the Source of the Problem 117 Using Extended Ping to Test the Reverse Route 119 Testing LAN Neighbors with Standard Ping 121 Testing LAN Neighbors with Extended Ping 122 Testing WAN Neighbors with Standard Ping 122 Using Ping with Names and with IP Addresses 123 Problem Isolation Using the traceroute Command 124 traceroute Basics 124 How the traceroute Command Works 125 Standard and Extended traceroute 126 Using traceroute to Isolate the Problem to Two Routers 127 Review Activities 130
Chapter 5 Troubleshooting IPv4 Routing
Part II 132 Foundation Topics 133 Problems Between the Host and the Default Router 133 Root Causes Based on a Host''s IPv4 Settings 133 Ensure IPv4 Settings Correctly Match 133 Mismatched Masks Impact Route to Reach Subnet 134 Typical Root Causes of DNS Problems 136 Wrong Default Router IP Address Setting 137 Root Causes Based on the Default Router''s Configuration 137 Mismatched VLAN Trunking Configuration with Router on a Stick 138 DHCP Relay Issues 140 Router LAN Interface and LAN Issues 141 Problems with Routing Packets Between Routers 143 IP Forwarding by Matching the Most Specific Route 143 Using show ip route and Subnet Math to Find the Best Route 144 Using show ip route address to Find the Best Route 145 show ip route Reference 145 Routing Problems Caused by Incorrect Addressing Plans 146 Recognizing When VLSM Is Used or Not 147 Overlaps When Not Using VLSM 147 Overlaps When Using VLSM 148 Configuring Overlapping VLSM Subnets 149 Router WAN Interface Status 150 Filtering Packets with Access Lists 151 Review Activities 153
Chapter 6 Creating Redundant First-Hop Routers 156 Foundation Topics 157 FHRP Concepts 157 The Need for Redundancy in Networks 157 The Need for a First Hop Redundancy Protocol 159 The Three Solutions for First-Hop Redundancy 160 HSRP Concepts 160 HSRP Failover 161 HSRP Load Balancing 162 GLBP Concepts 163 FHRP Configuration and Verification 164 Configuring and Verifying HSRP 164 Configuring and Verifying GLBP 167 Review Activities 170
Chapter 7 Virtual Private Networks 176 Foundation Topics 177 VPN Fundamentals 177 IPsec VPNs 179 SSL VPNs 181 GRE Tunnels 181 GRE Tunnel Concepts 182 Routing over GRE Tunnels 182 GRE Tunnels over the Unsecured Network 183 Configuring GRE Tunnels 185 Verifying a GRE Tunnel 187 Review Activities 190
Part II Review 194
Part III: IP Version 4 Routing Protocols 199
Chapter 8 Implementing OSPF for IPv4 200 Foundation Topics 201 OSPF Protocols and Operation 201 OSPF Overview 201 Becoming Neighbors and Exchanging the LSDB 202 Agreeing to Become Neighbors 202 Fully Exchanging LSAs with Neighbors 203 Maintaining Neighbors and the LSDB 204 Using Designated Routers on Ethernet Links 205 Scaling OSPF Using Areas 206 OSPF Areas 207 How Areas Reduce SPF Calculation Time 208 OSPF Area Design Advantages 209 Link-State Advertisements 209 Router LSAs Build Most of the Intra-Area Topology 210 Network LSAs Complete the Intra-Area Topology 211 LSAs in a Multi-Area Design 212 Calculating the Best Routes with SPF 214 Administrative Distance 215 OSPF Configuration and Verification 216 OSPFv2 Configuration Overview 216 Multi-Area OSPFv2 Configuration Example 217 Single-Area Configurations 218 Multi-Area Configuration 219 Verifying the Multi-Area Configuration 220 Verifying the Correct Areas on Each Interface on an ABR 221 Verifying Which Router Is DR and BDR 221 Verifying the Number and Type of LSAs 222 Verifying OSPF Routes 223 OSPF Metrics (Cost) 223 Setting the Cost Based on Interface Bandwidth 224 The Need for a Higher Reference Bandwidth 225 OSPF Load Balancing 225 Review Activities 226
Chapter 9 Understanding EIGRP Concepts 230 Foundation Topics 231 EIGRP and Distance Vector Routing Protocols 231 Introduction to EIGRP 231 Basic Distance Vector Routing Protocol Features 233 The Concept of a Distance and a Vector 233 Full Update Messages and Split Horizon 234 Route Poisoning 236 EIGRP as an Advanced DV Protocol 237 EIGRP Sends Partial Update Messages, As Needed 237 EIGRP Maintains Neighbor Status Using Hello 237 Summary of Interior Routing Protocol Features 238 EIGRP Concepts and Operation 239 EIGRP Neighbors 239 Exchanging EIGRP Topology Information 240 Calculating the Best Routes for the Routing Table 241 The EIGRP Metric Calculation 241 An Example of Calculated EIGRP Metrics 242 Caveats wit
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