Switching, Routing, and Wireless Essentials Companion Guide (CCNAv7)

Cisco networking academy

640 pages, parution le 27/06/2020

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Switching, Routing, and Wireless Essentials Companion Guide (CCNAv7) is the official supplemental textbook for the Switching, Routing, and Wireless Essentials course in the Cisco Networking Academy CCNA curriculum. This course describes the architecture, components, and operations of routers and switches in a small network. 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 more than 300 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 study the 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. Videos: Watch the videos embedded within the online course. 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. 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. This book is offered exclusively for students enrolled in Cisco Networking Academy courses. It is not designed for independent study or professional certification preparation. Visit netacad.com to learn more about program options and requirements. Related titles: CCNA 200-301 Portable Command Guide Book: 9780135937822 eBook: 9780135937709 31 Days Before Your CCNA Exam Book: 9780135964088 eBook: 9780135964231 CCNA 200-301 Official Cert Guide, Volume 1 Book: 9780135792735 Premium Edition: 9780135792728 CCNA 200-301 Official Cert Guide, Volume 2 Book: 9781587147135 Premium Edition: 9780135262719Introduction xxvii Chapter 1 Basic Device Configuration 1 Objectives 1 Key Terms 1 Introduction (1.0) 2 Configure a Switch with Initial Settings (1.1) 2 Switch Boot Sequence (1.1.1) 2 The boot system Command (1.1.2) 3 Switch LED Indicators (1.1.3) 3 Recovering from a System Crash (1.1.4) 6 Switch Management Access (1.1.5) 8 Switch SVI Configuration Example (1.1.6) 8 Configure Switch Ports (1.2) 11 Duplex Communication (1.2.1) 11 Configure Switch Ports at the Physical Layer (1.2.2) 12 Auto-MDIX (1.2.3) 13 Switch Verification Commands (1.2.4) 14 Verify Switch Port Configuration (1.2.5) 14 Network Access Layer Issues (1.2.6) 15 Interface Input and Output Errors (1.2.7) 17 Troubleshooting Network Access Layer Issues (1.2.8) 18 Secure Remote Access (1.3) 20 Telnet Operation (1.3.1) 20 SSH Operation (1.3.2) 20 Verify the Switch Supports SSH (1.3.3) 22 Configure SSH (1.3.4) 22 Verify SSH Is Operational (1.3.5) 24 Basic Router Configuration (1.4) 25 Configure Basic Router Settings (1.4.1) 26 Dual Stack Topology (1.4.3) 27 Configure Router Interfaces (1.4.4) 27 IPv4 Loopback Interfaces (1.4.6) 28 Verify Directly Connected Networks (1.5) 29 Interface Verification Commands (1.5.1) 30 Verify Interface Status (1.5.2) 30 Verify IPv6 Link Local and Multicast Addresses (1.5.3) 31 Verify Interface Configuration (1.5.4) 32 Verify Routes (1.5.5) 32 Filter Show Command Output (1.5.6) 34 The section Filter 34 The include Filter 34 The exclude Filter 35 The begin Filter 35 Command History Feature (1.5.8) 36 Summary (1.6) 38 Configure a Switch with Initial Settings 38 Configure Switch Ports 38 Secure Remote Access 38 Basic Router Configuration 39 Verify Directly Connected Networks 39 Practice 40 Check Your Understanding Questions 41 Chapter 2 Switching Concepts 45 Objectives 45 Key Terms 45 Introduction (2.0) 46 Frame Forwarding (2.1) 46 Switching in Networking (2.1.1) 46 The Switch MAC Address Table (2.1.2) 47 The Switch Learn and Forward Method (2.1.3) 48 Switching Forwarding Methods (2.1.5) 48 Store-and-Forward Switching (2.1.6) 49 Cut-Through Switching (2.1.7) 49 Collision and Broadcast Domains (2.2) 51 Collision Domains (2.2.1) 51 Broadcast Domains (2.2.2) 52 Alleviate Network Congestion (2.2.3) 53 Summary (2.3) 55 Frame Forwarding 55 Switching Domains 55 Check Your Understanding Questions 56 Chapter 3 VLANs 59 Objectives 59 Key Terms 59 Introduction (3.0) 60 Overview of VLANs (3.1) 60 VLAN Definitions (3.1.1) 60 Benefits of a VLAN Design (3.1.2) 61 Types of VLANs (3.1.3) 63 Default VLAN 63 Data VLAN 64 Native VLAN 64 Management VLAN 64 Voice VLAN 65 VLANs in a Multi-Switched Environment (3.2) 66 Defining VLAN Trunks (3.2.1) 66 Network Without VLANs (3.2.2) 67 Network with VLANs (3.2.3) 68 VLAN Identification with a Tag (3.2.4) 69 VLAN Tag Field Details 69 Native VLANs and 802.1Q Tagging (3.2.5) 70 Tagged Frames on the Native VLAN 70 Untagged Frames on the Native VLAN 70 Voice VLAN Tagging (3.2.6) 71 Voice VLAN Verification Example (3.2.7) 72 VLAN Configuration (3.3) 73 VLAN Ranges on Catalyst Switches (3.3.1) 73 Normal Range VLANs 74 Extended Range VLANs 74 VLAN Creation Commands (3.3.2) 75 VLAN Creation Example (3.3.3) 75 VLAN Port Assignment Commands (3.3.4) 76 VLAN Port Assignment Example (3.3.5) 77 Data and Voice VLANs (3.3.6) 78 Data and Voice VLAN Example (3.3.7) 78 Verify VLAN Information (3.3.8) 79 Change VLAN Port Membership (3.3.9) 81 Delete VLANs (3.3.10) 82 VLAN Trunks (3.4) 83 Trunk Configuration Commands (3.4.1) 83 Trunk Configuration Example (3.4.2) 83 Verify Trunk Configuration (3.4.3) 85 Reset the Trunk to the Default State (3.4.4) 86 Dynamic Trunking Protocol (3.5) 87 Introduction to DTP (3.5.1) 88 Negotiated Interface Modes (3.5.2) 89 Results of a DTP Configuration (3.5.3) 89 Verify DTP Mode (3.5.4) 90 Summary (3.6) 92 Overview of VLANs 92 VLANs in a Multi-Switched Environment 92 VLAN Configuration 92 VLAN Trunks 93 Dynamic Trunking Protocol 93 Practice 93 Check Your Understanding Questions 94 Chapter 4 Inter-VLAN Routing 97 Objectives 97 Key Terms 97 Introduction (4.0) 98 Inter-VLAN Routing Operation (4.1) 98 What Is Inter-VLAN Routing? (4.1.1) 98 Legacy Inter-VLAN Routing (4.1.2) 98 Router-on-a-Stick Inter-VLAN Routing (4.1.3) 100 Inter-VLAN Routing on a Layer 3 Switch (4.1.4) 102 Router-on-a-Stick Inter-VLAN Routing (4.2) 103 Router-on-a-Stick Scenario (4.2.1) 103 S1 VLAN and Trunking Configuration (4.2.2) 105 S2 VLAN and Trunking Configuration (4.2.3) 106 R1 Subinterface Configuration (4.2.4) 107 Verify Connectivity Between PC1 and PC2 (4.2.5) 108 Router-on-a-Stick Inter-VLAN Routing Verification (4.2.6) 110 Inter-VLAN Routing using Layer 3 Switches (4.3) 112 Layer 3 Switch Inter-VLAN Routing (4.3.1) 112 Layer 3 Switch Scenario (4.3.2) 113 Layer 3 Switch Configuration (4.3.3) 114 Layer 3 Switch Inter-VLAN Routing Verification (4.3.4) 115 Routing on a Layer 3 Switch (4.3.5) 116 Routing Scenario on a Layer 3 Switch (4.3.6) 116 Routing Configuration on a Layer 3 Switch (4.3.7) 117 Troubleshoot Inter-VLAN Routing (4.4) 119 Common Inter-VLAN Issues (4.4.1) 119 Troubleshoot Inter-VLAN Routing Scenario (4.4.2) 120 Missing VLANs (4.4.3) 121 Switch Trunk Port Issues (4.4.4) 124 Switch Access Port Issues (4.4.5) 125 Router Configuration Issues (4.4.6) 127 Summary (4.5) 130 Inter-VLAN Routing Operation 130 Router-on-a-Stick Inter-VLAN Routing 130 Inter-VLAN Routing Using Layer 3 Switches 130 Troubleshoot Inter-VLAN Routing 131 Practice 132 Check Your Understanding Questions 132 Chapter 5 STP Concepts 137 Objectives 137 Key Terms 137 Introduction (5.0) 139 Purpose of STP (5.1) 139 Redundancy in Layer 2 Switched Networks (5.1.1) 139 Spanning Tree Protocol (5.1.2) 140 STP Recalculation (5.1.3) 141 Issues with Redundant Switch Links (5.1.4) 141 Layer 2 Loops (5.1.5) 142 Broadcast Storm (5.1.6) 143 The Spanning Tree Algorithm (5.1.7) 145 STP Operations (5.2) 148 Steps to a Loop-Free Topology (5.2.1) 148 Bridge Priority 149 Extended System ID 149 MAC address 150 1. Elect the Root Bridge (5.2.2) 150 Impact of Default BIDs (5.2.3) 151 Determine the Root Path Cost (5.2.4) 152 2. Elect the Root Ports (5.2.5) 152 3. Elect Designated Ports (5.2.6) 153 4. Elect Alternate (Blocked) Ports (5.2.7) 156 Elect a Root Port from Multiple Equal-Cost Paths (5.2.8) 156 1. Lowest Sender BID 157 2. Lowest Sender Port Priority 157 3. Lowest Sender Port ID 158 STP Timers and Port States (5.2.9) 158 Operational Details of Each Port State (5.2.10) 160 Per-VLAN Spanning Tree (5.2.11) 160 Evolution of STP (5.3) 161 Different Versions of STP (5.3.1) 161 RSTP Concepts (5.3.2) 162 RSTP Port States and Port Roles (5.3.3) 163 STP and RSTP Port States 163 PortFast and BPDU Guard (5.3.4) 165 Alternatives to STP (5.3.5) 166 Summary (5.4) 169 Purpose of STP 169 STP Operations 169 Evolution of STP 170 Practice 171 Check Your Understanding Questions 171 Chapter 6 EtherChannel 175 Objectives 175 Key Terms 175 Introduction (6.0) 176 EtherChannel Operation (6.1) 176 Link Aggregation (6.1.1) 176 EtherChannel (6.1.2) 177 Advantages of EtherChannel (6.1.3) 177 Implementation Restrictions (6.1.4) 178 AutoNegotiation Protocols (6.1.5) 179 PAgP Operation (6.1.6) 180 PAgP Mode Settings Example (6.1.7) 181 LACP Operation (6.1.8) 181 LACP Mode Settings Example (6.1.9) 182 Configure EtherChannel (6.2) 183 Configuration Guidelines (6.2.1) 183 LACP Configuration Example (6.2.2) 185 Verify and Troubleshoot EtherChannel (6.3) 186 Verify EtherChannel (6.3.1) 186 Common Issues with EtherChannel Configurations (6.3.2) 188 Troubleshoot EtherChannel Example (6.3.3) 189 Summary (6.4) 193 EtherChannel Operation 193 Configure EtherChannel 193 Verify and Troubleshoot EtherChannel 194 Practice 195 Check Your Understanding Questions 195 Chapter 7 DHCPv4 199 Objectives 199 Key Terms 199 Introduction (7.0) 200 DHCPv4 Concepts (7.1) 200 DHCPv4 Server and Client (7.1.1) 200 DHCPv4 Operation (7.1.2) 201 Steps to Obtain a Lease (7.1.3) 201 Steps to Renew a Lease (7.1.4) 203 Configure a Cisco IOS DHCPv4 Server (7.2) 204 Cisco IOS DHCPv4 Server (7.2.1) 204 Steps to Configure a Cisco IOS DHCPv4 Server (7.2.2) 205 Configuration Example (7.2.3) 206 DHCPv4 Verification Commands (7.2.4) 207 Verify DHCPv4 is Operational (7.2.5) 207 Verify the DHCPv4 Configuration 207 Verify DHCPv4 Bindings 208 Verify DHCPv4 Statistics 208 Verify DHCPv4 Client Received IPv4 Addressing 209 Disable the Cisco IOS DHCPv4 Server (7.2.7) 210 DHCPv4 Relay (7.2.8) 210 The ipconfig /release Command 211 The ipconfig /renew Command 211 The ip helper-address Command 212 The show ip interface Command 212 The ipconfig /all Command 213 Other Service Broadcasts Relayed (7.2.9) 213 Configure a DHCPv4 Client (7.3) 214 Cisco Router as a DHCPv4 Client (7.3.1) 214 Configuration Example (7.3.2) 214 Home Router as a DHCPv4 Client (7.3.3) 215 Summary (7.4) 216 DHCPv4 Concepts 216 Configure a Cisco IOS DHCPv4 Server 216 Configure a DHCPv4 Client 217 Practice 218 Check Your Understanding Questions 218 Chapter 8 SLAAC and DHCPv6 223 Objectives 223 Key Terms 223 Introduction (8.0) 224 IPv6 GUA Assignment (8.1) 224 IPv6 Host Configuration (8.1.1) 224 IPv6 Host Link-Local Address (8.1.2) 224 IPv6 GUA Assignment (8.1.3) 226 Three RA Message Flags (8.1.4) 226 SLAAC (8.2) 228 SLAAC Overview (8.2.1) 228 Enabling SLAAC (8.2.2) 229 Verify IPv6 Addresses 229 Enable IPv6 Routing 230 Verify SLAAC Is Enabled 230 SLAAC Only Method (8.2.3) 231 ICMPv6 RS Messages (8.2.4) 232 Host Process to Generate Interface ID (8.2.5) 233 Duplicate Address Detection (8.2.6) 234 DHCPv6 (8.3) 234 DHCPv6 Operation Steps (8.3.1) 234 Stateless DHCPv6 Operation (8.3.2) 236 Enable Stateless DHCPv6 on an Interface (8.3.3) 237 Stateful DHCPv6 Operation (8.3.4) 238 Enable Stateful DHCPv6 on an Interface (8.3.5) 239 Configure DHCPv6 Server (8.4) 240 DHCPv6 Router Roles (8.4.1) 240 Configure a Stateless DHCPv6 Server (8.4.2) 240 Configure a Stateless DHCPv6 Client (8.4.3) 243 Configure a Stateful DHCPv6 Server (8.4.4) 245 Configure a Stateful DHCPv6 Client (8.4.5) 248 DHCPv6 Server Verification Commands (8.4.6) 250 Configure a DHCPv6 Relay Agent (8.4.7) 252 Verify the DHCPv6 Relay Agent (8.4.8) 252 Summary 255 IPv6 GUA Assignment 255 SLAAC 255 DHCPv6 256 Configure DHCPv6 Server 256 Practice 257 Check Your Understanding Questions 257 Chapter 9 FHRP Concepts 261 Objectives 261 Key Terms 261 Introduction (9.0) 262 First Hop Redundancy Protocols (9.1) 262 Default Gateway Limitations (9.1.1) 262 Router Redundancy (9.1.2) 264 Steps for Router Failover (9.1.3) 265 FHRP Options (9.1.4) 266 HSRP (9.2) 267 HSRP Overview (9.2.1) 267 HSRP Priority and Preemption (9.2.2) 268 HSRP Priority 268 HSRP Preemption 268 HSRP States and Timers (9.2.3) 269 Summary (9.3) 271 First Hop Redundancy Protocols 271 HSRP 271 Practice 272 Check Your Understanding Questions 272 Chapter 10 LAN Security Concepts 275 Objectives 275 Key Terms 275 Introduction (10.0) 277 Endpoint Security (10.1) 277 Network Attacks Today (10.1.1) 277 Network Security Devices (10.1.2) 278 Endpoint Protection (10.1.3) 278 Cisco Email Security Appliance (10.1.4) 279 Cisco Web Security Appliance (10.1.5) 280 Access Control (10.2) 281 Authentication with a Local Password (10.2.1) 281 AAA Components (10.2.2) 283 Authentication (10.2.3) 283 Local AAA Authentication 284 Server-Based AAA Authentication 284 Authorization (10.2.4) 285 Accounting (10.2.5) 285 802.1X (10.2.6) 286 Layer 2 Security Threats (10.3) 287 Layer 2 Vulnerabilities (10.3.1) 287 Switch Attack Categories (10.3.2) 288 Switch Attack Mitigation Techniques (10.3.3) 289 MAC Address Table Attack (10.4) 290 Switch Operation Review (10.4.1) 290 MAC Address Table Flooding (10.4.2) 290 MAC Address Table Attack Mitigation (10.4.3) 291 LAN Attacks (10.5) 292 VLAN Hopping Attacks (10.5.2) 293 VLAN Double-Tagging Attack (10.5.3) 293 VLAN Attack Mitigation 295 DHCP Messages (10.5.4) 296 DHCP Attacks (10.5.5) 296 DHCP Starvation Attack 296 DHCP Spoofing Attack 297 ARP Attacks (10.5.7) 300 Address Spoofing Attack (10.5.8) 303 STP Attack (10.5.9) 303 CDP Reconnaissance (10.5.10) 305 Summary (10.6) 307 Practice 308 Check Your Understanding Questions 309 Chapter 11 Switch Security Configuration 313 Objectives 313 Key Terms 313 Introduction (11.0) 314 Implement Port Security (11.1) 314 Secure Unused Ports (11.1.1) 314 Mitigate MAC Address Table Attacks (11.1.2) 315 Enable Port Security (11.1.3) 316 Limit and Learn MAC Addresses (11.1.4) 317 Port Security Aging (11.1.5) 319 Port Security Violation Modes (11.1.6) 321 Ports in error-disabled State (11.1.7) 322 Verify Port Security (11.1.8) 324 Port Security for All Interfaces 325 Port Security for a Specific Interface 325 Verify Learned MAC Addresses 326 Verify Secure MAC Addresses 326 Mitigate VLAN Attacks (11.2) 327 VLAN Attacks Review (11.2.1) 327 Steps to Mitigate VLAN Hopping Attacks (11.2.2) 327 Mitigate DHCP Attacks (11.3) 329 DHCP Attack Review (11.3.1) 329 DHCP Snooping (11.3.2) 329 Steps to Implement DHCP Snooping (11.3.3) 330 DHCP Snooping Configuration Example (11.3.4) 331 Mitigate ARP Attacks (11.4) 332 Dynamic ARP Inspection (11.4.1) 333 DAI Implementation Guidelines (11.4.2) 333 DAI Configuration Example (11.4.3) 333 Mitigate STP Attacks (11.5) 335 PortFast and BPDU Guard (11.5.1) 335 Configure PortFast (11.5.2) 336 Configure BPDU Guard (11.5.3) 338 Summary (11.6) 340 Practice 342 Check Your Understanding Questions 343 Chapter 12 WLAN Concepts 347 Objectives 347 Key Terms 347 Introduction (12.0) 349 Introduction to Wireless (12.1) 349 Benefits of Wireless (12.1.1) 349 Types of Wireless Networks (12.1.2) 349 Wireless Technologies (12.1.3) 350 802.11 Standards (12.1.4) 353 Radio Frequencies (12.1.5) 354 Wireless Standards Organizations (12.1.6) 355 WLAN Components (12.2) 356 Wireless NICs (12.2.2) 356 Wireless Home Router (12.2.3) 357 Wireless Access Points (12.2.4) 358 AP Categories (12.2.5) 358 Autonomous APs 359 Controller-Based APs 359 Wireless Antennas (12.2.6) 360 WLAN Operation (12.3) 362 802.11 Wireless Topology Modes (12.3.2) 362 BSS and ESS (12.3.3) 364 Basic Service Set 364 Extended Service Set 365 802.11 Frame Structure (12.3.4) 365 CSMA/CA (12.3.5) 367 Wireless Client and AP Association (12.3.6) 367 Passive and Active Discover Mode (12.3.7) 368 Passive Mode 368 Active Mode 369 CAPWAP Operation (12.4) 370 Introduction to CAPWAP (12.4.2) 370 Split MAC Architecture (12.4.3) 371 DTLS Encryption (12.4.4) 372 FlexConnect APs (12.4.5) 372 Channel Management (12.5) 373 Frequency Channel Saturation (12.5.1) 373 Channel Selection (12.5.2) 375 Plan a WLAN Deployment (12.5.3) 377 WLAN Threats (12.6) 379 Wireless Security Overview (12.6.2) 379 DoS Attacks (12.6.3) 380 Rogue Access Points (12.6.4) 381 Man-in-the-Middle Attack (12.6.5) 381 Secure WLANs (12.7) 383 SSID Cloaking and MAC Address Filtering (12.7.2) 383 SSID Cloaking 383 MAC Addresses Filtering 384 802.11 Original Authentication Methods (12.7.3) 385 Shared Key Authentication Methods (12.7.4) 385 Authenticating a Home User (12.7.5) 386 Encryption Methods (12.7.6) 387 Authentication in the Enterprise (12.7.7) 388 WPA3 (12.7.8) 389 WPA3-Personal 389 WPA3-Enterprise 390 Open Networks 390 IoT Onboarding 390 Summary (12.8) 391 Practice 392 Check Your Understanding Questions 392 Chapter 13 WLAN Configuration 397 Objectives 397 Key Terms 397 Introduction (13.0) 398 Remote Site WLAN Configuration (13.1) 398 The Wireless Router (13.1.2) 398 Log in to the Wireless Router (13.1.3) 399 Basic Network Setup (13.1.4) 401 Basic Wireless Setup (13.1.5) 404 Configure a Wireless Mesh Network (13.1.6) 408 NAT for IPv4 (13.1.7) 408 Quality of Service (13.1.8) 410 Port Forwarding (13.1.9) 410 Configure a Basic WLAN on the WLC (13.2) 412 WLC Topology (13.2.2) 412 Log in to the WLC (13.2.3) 414 View AP Information (13.2.4) 415 Advanced Settings (13.2.5) 416 Configure a WLAN (13.2.6) 416 Configure a WPA2 Enterprise WLAN on the WLC (13.3) 421 SNMP and RADIUS (13.3.2) 421 Configure SNMP Server Information (13.3.3) 421 Configure RADIUS Server Information (13.3.4) 423 Topology with VLAN 5 Addressing (13.3.6) 424 Configure a New Interface (13.3.7) 425 Configure a DHCP Scope (13.3.9) 428 Configure a WPA2 Enterprise WLAN (13.3.11) 430 Troubleshoot WLAN Issues (13.4) 433 Troubleshooting Approaches (13.4.1) 433 Wireless Client Not Connecting (13.4.2) 435 Troubleshooting When the Network Is Slow (13.4.3) 436 Updating Firmware (13.4.4) 438 Summary (13.5) 440 Practice 441 Check Your Understanding Questions 441 Chapter 14 Routing Concepts 445 Objectives 445 Key Terms 445 Introduction (14.0) 447 Path Determination (14.1) 447 Two Functions of Router (14.1.1) 447 Router Functions Example (14.1.2) 447 Best Path Equals Longest Match (14.1.3) 448 IPv4 Address Longest Match Example (14.1.4) 449 IPv6 Address Longest Match Example (14.1.5) 449 Build the Routing Table (14.1.6) 450 Directly Connected Networks 450 Remote Networks 450 Default Route 451 Packet Forwarding (14.2) 451 Packet Forwarding Decision Process (14.2.1) 451 Forwards the Packet to a Device on a Directly Connected Network 452 Forwards the Packet to a Next-Hop Router 453 Drops the Packet-No Match in Routing Table 453 End-to-End Packet Forwarding (14.2.2) 453 PC1 Sends Packet to PC2 453 R1 Forwards the Packet to PC2 454 R2 Forwards the Packet to R3 455 R3 Forwards the Packet to PC2 455 Packet Forwarding Mechanisms (14.2.3) 455 Process Switching 456 Fast Switching 456 Cisco Express Forwarding (CEF) 458 Basic Router Configuration Review (14.3) 459 Topology (14.3.1) 459 Configuration Commands (14.3.2) 459 Verification Commands (14.3.3) 461 Filter Command Output (14.3.4) 466 IP Routing Table (14.4) 467 Route Sources (14.4.1) 467 Routing Table Principles (14.4.2) 469 Routing Table Entries (14.4.3) 469 Directly Connected Networks (14.4.4) 470 Static Routes (14.4.5) 471 Static Routes in the IP Routing Table (14.4.6) 472 Dynamic Routing Protocols (14.4.7) 474 Default Route (14.4.9) 475 Structure of an IPv4 Routing Table (14.4.10) 477 Structure of an IPv6 Routing Table (14.4.11) 478 Administrative Distance (14.4.12) 479 Static and Dynamic Routing (14.5) 480 Static or Dynamic? (14.5.1) 480 Static Routes 481 Dynamic Routing Protocols 481 Dynamic Routing Evolution (14.5.2) 482 Dynamic Routing Protocol Concepts (14.5.3) 483 Best Path (14.5.4) 484 Load Balancing (14.5.5) 485 Summary (14.6) 488 Path Determination 488 Packet Forwarding 488 Basic Router Configuration Review 488 IP Routing Table 489 Static and Dynamic Routing 490 Practice 491 Check Your Understanding Questions 491 Chapter 15 IP Static Routing 495 Objectives 495 Key Terms 495 Introduction (15.0) 496 Static Routes (15.1) 496 Types of Static Routes (15.1.1) 496 Next-Hop Options (15.1.2) 497 IPv4 Static Route Command (15.1.3) 497 IPv6 Static Route Command (15.1.4) 498 Dual-Stack Topology (15.1.5) 499 IPv4 Starting Routing Tables (15.1.6) 499 IPv6 Starting Routing Tables (15.1.7) 501 Configure IP Static Routes (15.2) 503 IPv4 Next-Hop Static Route (15.2.1) 503 IPv6 Next-Hop Static Route (15.2.2) 504 IPv4 Directly Connected Static Route (15.2.3) 505 IPv6 Directly Connected Static Route (15.2.4) 506 IPv4 Fully Specified Static Route (15.2.5) 507 IPv6 Fully Specified Static Route (15.2.6) 509 Verify a Static Route (15.2.7) 510 Display Only IPv4 Static Routes 511 Display a Specific IPv4 Network 511 Display the IPv4 Static Route Configuration 511 Display Only IPv6 Static Routes 512 Display a Specific IPv6 Network 512 Display the IPv6 Static Route Configuration 512 Configure IP Default Static Routes (15.3) 513 Default Static Route (15.3.1) 513 IPv4 Default Static Route 513 IPv6 Default Static Route 514 Configure a Default Static Route (15.3.2) 514 Verify a Default Static Route (15.3.3) 515 Configure Floating Static Routes (15.4) 517 Floating Static Routes (15.4.1) 517 Configure IPv4 and IPv6 Floating Static Routes (15.4.2) 518 Test the Floating Static Route (15.4.3) 520 Configure Static Host Routes (15.5) 521 Host Routes (15.5.1) 521 Automatically Installed Host Routes (15.5.2) 522 Static Host Routes (15.5.3) 523 Configure Static Host Routes (15.5.4) 523 Verify Static Host Routes (15.5.5) 523 Configure IPv6 Static Host Route with Link-Local Next-Hop (15.5.6) 524 Summary (15.6) 525 Static Routes 525 Configure IP Static Routes 525 Configure IP Default Static Routes 525 Configure Floating Static Routes 526 Configure Static Host Routes 526 Practice 527 Check Your Understanding Questions 527 Chapter 16 Troubleshoot Static and Default Routes 531 Objectives 531 Introduction (16.0) 532 Packet Processing with Static Routes (16.1) 532 Static Routes and Packet Forwarding (16.1.1) 532 Troubleshoot IPv4 Static and Default Route Configuration (16.2) 533 Network Changes (16.2.1) 534 Common Troubleshooting Commands (16.2.2) 534 Solve a Connectivity Problem (16.2.3) 536 Ping the Remote LAN 536 Ping the Next-Hop Router 537 Ping R3 LAN from S0/1/0 537 Verify the R2 Routing Table 538 Correct the R2 Static Route Configuration 538 Verify New Static Route Is Installed 538 Ping the Remote LAN Again 539 Summary (16.3) 540 Packet Processing with Static Routes 540 Troubleshoot IPv4 Static and Default Route Configuration 540 Practice 541 Check Your Understanding Questions 542 Appendix A Answers to the "Check Your Understanding" Questions 545 Glossary 561 9780136729358 TOC 6/4/2020Cisco Networking Academy teaches hundreds of thousands of students annually the skills needed to build, design, and maintain networks, improving their career prospects while filling the global demand for networking professionals. With 10,000 academies in 165 countries, it helps individuals prepare for industry-recognized certifications and entry-level information and communication technology careers in virtually every industry-developing foundational technical skills while acquiring vital 21st-century career skills in problem solving, collaboration, and critical thinking. Cisco Networking Academy uses a public-private partnership model to create the "world's largest classroom."

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Éditeur(s)	Cisco Press
Auteur(s)	Cisco networking academy
Parution	27/06/2020
Nb. de pages	640
EAN13	9780136729358

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Switching, Routing, and Wireless Essentials Companion Guide (CCNAv7)

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