Name: Connecting Networks v6 Companion Guide By Cisco Networking Academy
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Connecting Networks v6 Companion Guide Summary

Connecting Networks v6 Companion Guide by Cisco Networking Academy

Connecting Networks v6 Companion Guide is the official supplemental textbook for the Connecting Networks version 6 course in the Cisco Networking Academy CCNA Routing and Switching curriculum. The Companion Guide is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time. The book's features help you focus on important concepts to succeed in this course: Chapter Objectives-Review core concepts by answering the focus questions listed at the beginning of each chapter. Key Terms-Refer to the lists of networking vocabulary introduced and highlighted in context in each chapter. Glossary-Consult the comprehensive Glossary with 347 terms. Summary of Activities and Labs-Maximize your study time with this complete list of all associated practice exercises at the end of each chapter. Check Your Understanding-Evaluate 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. How To-Look for this icon to studythe steps you need to learn to perform certain tasks. Interactive Activities-Reinforce your understanding of topics with dozens of exercises from the online course identified throughout the book with this icon. Packet Tracer Activities-Explore and visualize networking concepts using Packet Tracer exercises interspersed throughout the chapters and provided in the accompanying Labs & Study Guide book. Videos-Watch the videos embedded within the online course. Hands-on Labs-Work through all the course labs and additional Class Activities that are included in the course and published in the separate Labs & Study Guide.

About Cisco Networking Academy

Cisco Networking Academy is an innovative Cisco education initiative that delivers information and communication technology skills to improve career and economic opportunities around the world. The Academy provides online courses, interactive tools, and lab activities to prepare individuals for information technology and networking careers in virtually every industry.

Introduction xix Chapter 1 WAN Concepts 1 Objectives 1 Key Terms 1 Introduction (1.0) 3 WAN Technologies Overview (1.1) 3 Purpose of WANs (1.1.1) 3 Why a WAN? (1.1.1.1) 3 Are WANs Necessary? (1.1.1.2) 4 WAN Topologies (1.1.1.3) 5 Evolving Networks (1.1.1.4) 8 Small Office (1.1.1.5) 8 Campus Network (1.1.1.6) 9 Branch Networks (1.1.1.7) 10 Distributed Network (1.1.1.8) 11 WAN Operations (1.1.2) 13 WANs in the OSI Model (1.1.2.1) 13 Common WAN Terminology (1.1.2.2) 14 WAN Devices (1.1.2.3) 16 Circuit Switching (1.1.2.4) 17 Packet Switching (1.1.2.5) 18 Selecting a WAN Technology (1.2) 20 WAN Services (1.2.1) 20 WAN Link Connection Options (1.2.1.1) 20 Service Provider Network Infrastructure (1.2.1.2) 21 Private WAN Infrastructures (1.2.2) 23 Leased Lines (1.2.2.1) 23 Dialup (1.2.2.2) 25 ISDN (1.2.2.3) 26 Frame Relay (1.2.2.4) 28 ATM (1.2.2.5) 29 Ethernet WAN (1.2.2.6) 30 MPLS (1.2.2.7) 32 VSAT (1.2.2.8) 32 Public WAN Infrastructure (1.2.3) 33 DSL (1.2.3.1) 34 Cable (1.2.3.2) 35 Wireless (1.2.3.3) 36 3G/4G Cellular (1.2.3.4) 37 VPN Technology (1.2.3.5) 38 Selecting WAN Services (1.2.4) 39 Choosing a WAN Link Connection (1.2.4.1) 40 Choosing a WAN Link Connection (Cont.) (1.2.4.2) 41 Summary (1.3) 43 Practice 44 Class Activities 44 Labs 44 Check Your Understanding Questions 44 Chapter 2 Point-to-Point Connections 49 Objectives 49 Key Terms 49 Introduction (2.0) 51 Serial Point-to-Point Overview (2.1) 51 Serial Communications (2.1.1) 52 Serial and Parallel Ports (2.1.1.1) 52 Point-to-Point Communication Links (2.1.1.2) 53 Serial Bandwidth (2.1.1.3) 54 HDLC Encapsulation (2.1.2) 56 WAN Encapsulation Protocols (2.1.2.1) 56 HDLC Encapsulation (2.1.2.2) 57 Configuring HDLC Encapsulation (2.1.2.3) 58 Troubleshooting a Serial Interface (2.1.2.4) 59 PPP Operation (2.2) 63 Benefits of PPP (2.2.1) 63 Introducing PPP (2.2.1.1) 64 Advantages of PPP (2.2.1.2) 65 LCP and NCP (2.2.2) 65 PPP-Layered Architecture (2.2.2.1) 65 PPP: Link Control Protocol (LCP) (2.2.2.2) 66 PPP: Network Control Protocol (NCP) (2.2.2.3) 66 PPP Frame Structure (2.2.2.4) 67 PPP Sessions (2.2.3) 68 Establishing a PPP Session (2.2.3.1) 68 LCP Operation (2.2.3.2) 69 PPP Configuration Options (2.2.3.3) 72 NCP Explained (2.2.3.4) 72 PPP Implementation (2.3) 74 Configure PPP (2.3.1) 74 PPP Configuration Options (2.3.1.1) 74 PPP Basic Configuration Command (2.3.1.2) 76 PPP Compression Commands (2.3.1.3) 76 PPP Link Quality Monitoring Command (2.3.1.4) 77 PPP Multilink Commands (2.3.1.5) 78 Verifying PPP Configuration (2.3.1.6) 81 Configure PPP Authentication (2.3.2) 82 PPP Authentication Protocols (2.3.2.1) 83 Password Authentication Protocol (PAP) (2.3.2.2) 83 Challenge Handshake Authentication Protocol (CHAP) (2.3.2.3) 85 PPP Authentication Command (2.3.2.4) 86 Configuring PPP with Authentication (2.3.2.5) 87 Troubleshoot WAN Connectivity (2.4) 89 Troubleshoot PPP (2.4.1) 89 Troubleshooting PPP Serial Encapsulation (2.4.1.1) 90 Debugging PPP (2.4.1.2) 91 Troubleshooting a PPP Configuration with Authentication (2.4.1.3) 94 Summary 96 Practice 97 Class Activities 97 Labs 97 Packet Tracer Activities 98 Check Your Understanding Questions 98 Chapter 3 Branch Connections 101 Objectives 101 Key Terms 101 Introduction (3.0) 103 Remote-Access Connections (3.1) 104 Broadband Connections (3.1.1) 104 What Is a Cable System? (3.1.1.1) 104 Cable Components (3.1.1.2) 105 What Is DSL? (3.1.1.3) 107 DSL Connections (3.1.1.4) 107 Wireless Connection (3.1.1.5) 109 Select a Broadband Connection (3.1.2) 112 Comparing Broadband Solutions (3.1.2.1) 112 PPPoE (3.2) 113 PPPoE Overview (3.2.1) 113 PPPoE Motivation (3.2.1.1) 113 PPPoE Concepts (3.2.1.2) 114 Implement PPPoE (3.2.2) 115 PPPoE Configuration (3.2.2.1) 115 PPPoE Verification (3.2.2.2) 116 PPPoE Troubleshooting (3.2.2.3) 118 PPPoE Negotiation (3.2.2.4) 118 PPPoE Authentication (3.2.2.5) 119 PPPoE MTU Size (3.2.2.6) 120 VPNs (3.3) 122 Fundamentals of VPNs (3.3.1) 122 Introducing VPNs (3.3.1.1) 123 Benefits of VPNs (3.3.1.2) 124 Types of VPNs (3.3.2) 125 Site-to-Site VPNs (3.3.2.1) 125 Remote-Access VPNs (3.3.2.2) 126 DMVPN (3.3.2.3) 127 GRE (3.4) 128 GRE Overview (3.4.1) 129 GRE Introduction (3.4.1.1) 129 GRE Characteristics (3.4.1.2) 130 Implement GRE (3.4.2) 131 Configure GRE (3.4.2.1) 131 Verify GRE (3.4.2.2) 133 Troubleshoot GRE (3.4.2.3) 134 eBGP (3.5) 136 BGP Overview (3.5.1) 136 IGP and EGP Routing Protocols (3.5.1.1) 137 eBGP and iBGP (3.5.1.2) 138 BGP Design Considerations (3.5.2) 139 When to Use BGP (3.5.2.1) 139 When Not to Use BGP (3.5.2.2) 140 BGP Options (3.5.2.3) 140 eBGP Branch Configuration (3.5.3) 142 Steps to Configure eBGP (3.5.3.1) 142 BGP Sample Configuration (3.5.3.2) 143 Verify eBGP (3.5.3.3) 145 Summary (3.6) 148 Practice 149 Check Your Understanding Questions 150 Chapter 4 Access Control Lists 155 Objectives 155 Key Terms 155 Introduction (4.0.1.1) 156 Standard ACL Operation and Configuration Review (4.1) 156 ACL Operation Overview (4.1.1) 156 ACLs and the Wildcard Mask (4.1.1.1) 156 Applying ACLs to an Interface (4.1.1.2) 158 A TCP Conversation (4.1.1.3) 159 ACL Packet Filtering (4.1.1.4) 160 Types of IPv4 ACLs (4.1.2) 162 Standard and Extended IPv4 ACLs (4.1.2.1) 162 Numbered and Named ACLs (4.1.2.2) 163 Where to Place ACLs (4.1.2.3) 163 Standard ACL Placement Example (4.1.2.4) 165 Extended ACL Placement Example (4.1.2.5) 166 Standard IPv4 ACL Implementation (4.1.3) 167 Configure a Standard IPv4 ACL (4.1.3.1) 167 Apply a Standard IPv4 ACL (4.1.3.2) 169 Standard Named IPv4 ACLs (4.1.3.3) 170 Verify ACLs (4.1.3.4) 171 Extended IPv4 ACLs (4.2) 173 Structure of an Extended IPv4 ACLs (4.2.1) 173 Extended ACLs (4.2.1.1) 173 Filtering Ports and Services (4.2.1.2) 173 Configure Extended IPv4 ACLs (4.2.2) 175 Configuring Extended ACLs (4.2.2.1) 175 Applying Extended ACLs to Interfaces (4.2.2.2) 177 Filtering Traffic with Extended ACLs (4.2.2.3) 178 Creating Extended Named ACLs (4.2.2.4) 180 Verifying Extended ACLs (4.2.2.5) 181 Editing Extended ACLs (4.2.2.6) 182 IPv6 ACLs (4.3) 184 IPv6 ACL Creation (4.3.1) 184 Types of IPv6 ACLs (4.3.1.1) 184 Comparing IPv4 and IPv6 ACLs (4.3.1.2) 185 Configuring IPv6 ACLs (4.3.2) 186 Configuring IPv6 Topology (4.3.2.1) 186 Configuring IPv6 ACLs (4.3.2.2) 188 Applying an IPv6 ACL to an Interface (4.3.2.3) 189 IPv6 ACL Examples (4.3.2.4) 190 Verifying IPv6 ACLs (4.3.2.5) 192 Troubleshoot ACLs (4.4) 194 Processing Packets with ACLs (4.4.1) 194 Inbound and Outbound ACL Logic (4.4.1.1) 194 ACL Logic Operations (4.4.1.2) 195 Standard ACL Decision Process (4.4.1.3) 196 Extended ACL Decision Process (4.4.1.4) 197 Common ACL Errors (4.4.2) 197 Troubleshooting IPv4 ACLs: Example 1 (4.4.2.1) 197 Troubleshooting IPv4 ACLs: Example 2 (4.4.2.2) 198 Troubleshooting IPv4 ACLs: Example 3 (4.4.2.3) 199 Troubleshooting IPv4 ACLs: Example 4 (4.4.2.4) 200 Troubleshooting IPv4 ACLs: Example 5 (4.4.2.5) 200 Troubleshooting IPv6 ACLs: Example 1 (4.4.2.6) 201 Troubleshooting IPv6 ACLs: Example 2 (4.4.2.7) 203 Troubleshooting IPv6 ACLs: Example 3 (4.4.2.8) 205 Summary (4.5) 208 Practice 209 Check Your Understanding Questions 210 Chapter 5 Network Security and Monitoring 215 Objectives 215 Key Terms 215 Introduction (5.0.1.1) 217 LAN Security (5.1) 217 LAN Security Attacks (5.1.1) 218 Common LAN Attacks (5.1.1.1) 218 CDP Reconnaissance Attack (5.1.1.2) 219 Telnet Attacks (5.1.1.3) 220 MAC Address Table Flooding Attack (5.1.1.4) 222 VLAN Attacks (5.1.1.5) 225 DHCP Attacks (5.1.1.6) 226 LAN Security Best Practices (5.1.2) 227 Secure the LAN (5.1.2.1) 227 Mitigate MAC Address Flooding Table Attacks (5.1.2.2) 228 Mitigate VLAN Attacks (5.1.2.3) 229 Mitigate DHCP Attacks (5.1.2.4) 230 Secure Administrative Access Using AAA (5.1.2.5) 231 Secure Device Access Using 802.1X (5.1.2.6) 233 SNMP (5.2) 234 SNMP Operation (5.2.1) 234 Introduction to SNMP (5.2.1.1) 235 SNMP Operation (5.2.1.2) 236 SNMP Agent Traps (5.2.1.3) 237 SNMP Versions (5.2.1.4) 238 Community Strings (5.2.1.5) 241 Management Information Base Object ID (5.2.1.6) 243 SNMPv3 (5.2.1.7) 246 Configuring SNMP (5.2.2) 248 Steps for Configuring SNMP (5.2.2.1) 248 Verifying SNMP Configuration (5.2.2.2) 249 SNMP Best Practices (5.2.2.3) 252 Steps for Configuring SNMPv3 (5.2.2.4) 254 Verifying SNMPv3 Configuration (5.2.2.5) 254 Cisco Switch Port Analyzer (5.3) 255 SPAN Overview (5.3.1) 256 Port Mirroring (5.3.1.1) 256 Analyzing Suspicious Traffic (5.3.1.2) 257 Local SPAN (5.3.1.3) 257 Remote SPAN (5.3.1.4) 259 SPAN Configuration (5.3.2) 260 Configuring Local SPAN (5.3.2.1) 260 Verifying Local SPAN (5.3.2.2) 261 SPAN as a Troubleshooting Tool (5.3.3) 262 Troubleshooting with SPAN Overview (5.3.3.1) 262 Summary (5.4) 264 Practice 264 Check Your Understanding Questions 265 Chapter 6 Quality of Service 269 Objectives 269 Key Terms 269 Introduction (6.0.1.1) 271 QoS Overview (6.1) 271 Network Transmission Quality (6.1.1) 271 Prioritizing Traffic (6.1.1.1) 271 Bandwidth, Congestion, Delay, and Jitter (6.1.1.2) 272 Packet Loss (6.1.1.3) 273 Traffic Characteristics (6.1.2) 275 Network Traffic Trends (6.1.2.1) 275 Voice (6.1.2.2) 276 Video (6.1.2.3) 276 Data (6.1.2.4) 277 Queueing Algorithms (6.1.3) 278 Queuing Overview (6.1.3.1) 279 First-In First-Out (FIFO) (6.1.3.2) 279 Weighted Fair Queuing (WFQ) (6.1.3.3) 280 Class-Based Weighted Fair Queuing (CBWFQ) (6.1.3.4) 281 Low Latency Queuing (LLQ) (6.1.3.5) 282 QoS Mechanisms (6.2) 283 QoS Models (6.2.1) 283 Selecting an Appropriate QoS Policy Model (6.2.1.1) 283 Best Effort (6.2.1.2) 284 Integrated Services (6.2.1.3) 285 Differentiated Services (6.2.1.4) 286 QoS Implementation Techniques (6.2.2) 288 Avoiding Packet Loss (6.2.2.1) 288 QoS Tools (6.2.2.2) 289 Classification and Marking (6.2.2.3) 290 Marking at Layer 2 (6.2.2.4) 291 Marking at Layer 3 (6.2.2.5) 292 Trust Boundaries (6.2.2.6) 295 Congestion Avoidance (6.2.2.7) 296 Shaping and Policing (6.2.2.8) 297 Summary (6.3) 299 Practice 300 Check Your Understanding Questions 300 Chapter 7 Network Evolution 303 Objectives 303 Key Terms 303 Introduction (7.0.1.1) 305 Internet of Things (7.1) 305 IoT Elements (7.1.1) 305 What Is the IoT? (7.1.1.1) 305 The Converged Network and Things (7.1.1.2) 305 Challenges to Connecting Things (7.1.1.3) 306 The Six Pillars of the Cisco IoT System (7.1.1.4) 307 IoT Pillars (7.1.2) 307 The Network Connectivity Pillar (7.1.2.1) 308 The Fog Computing Pillar (7.1.2.2) 308 The Security Pillar (7.1.2.3) 311 Data Analytics Pillar (7.1.2.4) 312 Management and Automation Pillar (7.1.2.5) 313 Application Enablement Platform Pillar (7.1.2.6) 313 Cloud and Virtualization (7.2) 314 Cloud Computing (7.2.1) 314 Cloud Overview (7.2.1.2) 314 Cloud Services (7.2.1.3) 315 Cloud Models (7.2.1.4) 315 Cloud Computing versus Data Center (7.2.1.5) 316 Virtualization (7.2.2) 317 Cloud Computing and Virtualization (7.2.2.1) 317 Dedicated Servers (7.2.2.2) 318 Server Virtualization (7.2.2.3) 319 Advantages of Virtualization (7.2.2.4) 320 Abstraction Layers (7.2.2.5) 321 Type 2 Hypervisors (7.2.2.6) 321 Virtual Network Infrastructure (7.2.3) 323 Type 1 Hypervisors (7.2.3.1) 323 Installing a VM on a Hypervisor (7.2.3.2) 324 Network Virtualization (7.2.3.3) 324 Network Programming (7.3) 326 Software-Defined Networking (7.3.1) 326 Control Plane and Data Plane (7.3.1.1) 326 Virtualizing the Network (7.3.1.2) 327 SDN Architecture (7.3.1.3) 329 Controllers (7.3.2) 331 SDN Controller and Operations (7.3.2.1) 331 Cisco Application Centric Infrastructure (7.3.2.2) 332 Core Components of ACI (7.3.2.3) 332 Spine-Leaf Topology (7.3.2.4) 333 SDN Types (7.3.2.5) 334 APIC-EM Features (7.3.2.6) 336 APIC-EM ACL Analysis (7.3.2.7) 337 Summary (7.4) 340 Practice 341 Check Your Understanding Questions 341 Chapter 8 Network Troubleshooting 347 Objectives 347 Key Terms 347 Introduction (8.0.1.1) 349 Troubleshooting Methodology (8.1) 349 Network Documentation (8.1.1) 349 Documenting the Network (8.1.1.1) 349 Network Topology Diagrams (8.1.1.2) 352 Establishing a Network Baseline (8.1.1.3) 355 Steps to Establish a Network Baseline (8.1.1.4) 355 Measuring Data (8.1.1.5) 358 Troubleshooting Process (8.1.2) 360 General Troubleshooting Procedures (8.1.2.1) 360 Gathering Symptoms (8.1.2.2) 362 Questioning End Users (8.1.2.3) 364 Isolating the Issue Using Layered Models (8.1.3) 365 Using Layered Models for Troubleshooting (8.1.3.1) 365 Troubleshooting Methods (8.1.3.2) 367 Other Troubleshooting Methods (8.1.3.3) 370 Guidelines for Selecting a Troubleshooting Method (8.1.3.4) 371 Troubleshooting Scenarios (8.2) 372 Using IP SLA (8.2.1) 372 IP SLA Concepts (8.2.1.1) 372 IP SLA Configuration (8.2.1.2) 373 Sample IP SLA Configuration (8.2.1.3) 375 Verifying an IP SLA Configuration (8.2.1.4) 376 Troubleshooting Tools (8.2.2) 377 Software Troubleshooting Tools (8.2.2.1) 377 Protocol Analyzers (8.2.2.2) 379 Hardware Troubleshooting Tools (8.2.2.3) 380 Using a Syslog Server for Troubleshooting (8.2.2.4) 385 Symptoms and Causes of Network Troubleshooting (8.2.3) 387 Physical Layer Troubleshooting (8.2.3.1) 387 Data Link Layer Troubleshooting (8.2.3.2) 390 Network Layer Troubleshooting (8.2.3.3) 392 Transport Layer Troubleshooting: ACLs (8.2.3.4) 394 Transport Layer Troubleshooting: NAT for IPv4 (8.2.3.5) 396 Application Layer Troubleshooting (8.2.3.6) 397 Troubleshooting IP Connectivity (8.2.4) 398 Components of Troubleshooting End-to-End Connectivity (8.2.4.1) 398 End-to-End Connectivity Problem Initiates Troubleshooting (8.2.4.2) 400 Step 1: Verify the Physical Layer (8.2.4.3) 402 Step 2: Check for Duplex Mismatches (8.2.4.4) 404 Step 3: Verify Layer 2 and Layer 3 Addressing on the Local Network (8.2.4.5) 406 Step 4: Verify Default Gateway (8.2.4.6) 411 Step 5: Verify Correct Path (8.2.4.7) 415 Step 6: Verify the Transport Layer (8.2.4.8) 418 Step 7: Verify ACLs (8.2.4.9) 420 Step 8: Verify DNS (8.2.4.10) 422 Summary (8.3) 425 Practice 426 Check Your Understanding Questions 427 Appendix A Answers to the Check Your Understanding Questions 431 Glossary 443 9781587134326 TOC 8/11/2017

Additional information

Sku

CIN1587134322G

ISBN 13

9781587134326

ISBN 10

1587134322

Title

Connecting Networks v6 Companion Guide by Cisco Networking Academy

Author

Cisco Networking Academy

Series

Companion Guide

Condition

Used - Good

Binding type

Hardback

Publisher

Pearson Education (US)

Year published

20170921

Number of pages

512

Prizes

N/A

Cover note

Book picture is for illustrative purposes only, actual binding, cover or edition may vary.

Note

This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in good condition, but if you are not entirely satisfied please get in touch with us

Connecting Networks v6 Companion Guide Cisco Networking Academy

Connecting Networks v6 Companion Guide by Cisco Networking Academy

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Connecting Networks v6 Companion Guide by Cisco Networking Academy

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