Scaling Networks v6 Companion Guide
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Scaling Networks v6 Companion Guide: (Companion Guide)

Scaling Networks v6 Companion Guide: (Companion Guide)


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About the Book

Scaling Networks v6 Companion Guide is the official supplemental textbook for the Scaling Networks v6 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 more than 250 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.  

Table of Contents:
Introduction xx Chapter 1 LAN Design 1 Objectives 1 Key Terms 1 Introduction (1.0.1.1) 3 Campus Wired LAN Designs (1.1) 4     Cisco Validated Designs (1.1.1) 4         The Need to Scale the Network (1.1.1.1) 4         Hierarchical Design Model (1.1.1.2) 6     Expanding the Network (1.1.2) 8         Design for Scalability (1.1.2.1) 8         Planning for Redundancy (1.1.2.2) 10         Failure Domains (1.1.2.3) 11         Increasing Bandwidth (1.1.2.4) 13         Expanding the Access Layer (1.1.2.5) 14         Fine-tuning Routing Protocols (1.1.2.6) 15 Selecting Network Devices (1.2) 17     Switch Hardware (1.2.1) 17         Switch Platforms (1.2.1.1) 17         Port Density (1.2.1.2) 21         Forwarding Rates (1.2.1.3) 22         Power over Ethernet (1.2.1.4) 23         Multilayer Switching (1.2.1.5) 24     Router Hardware (1.2.2) 26         Router Requirements (1.2.2.1) 26         Cisco Routers (1.2.2.2) 27         Router Hardware (1.2.2.3) 28     Managing Devices (1.2.3) 29         Managing IOS Files and Licensing (1.2.3.1) 30         In-Band versus Out-of-Band Management (1.2.3.2) 30         Basic Router CLI Commands (1.2.3.3) 31         Basic Router Show Commands (1.2.3.4) 34         Basic Switch CLI Commands (1.2.3.5) 38         Basic Switch Show Commands (1.2.3.6) 40 Summary (1.3) 43 Practice 44 Check Your Understanding Questions 45 Chapter 2 Scaling VLANs 47 Objectives 47 Key Terms 47 Introduction (2.0.1.1) 48 VTP, Extended VLANs, and DTP (2.1) 48     VTP Concepts and Operation (2.1.1) 49         VTP Overview (2.1.1.1) 49         VTP Modes (2.1.1.2) 50         VTP Advertisements (2.1.1.3) 52         VTP Versions (2.1.1.4) 53         Default VTP Configuration (2.1.1.5) 53         VTP Caveats (2.1.1.6) 55     VTP Configuration (2.1.2) 57         VTP Configuration Overview (2.1.2.1) 57         Step 1–Configure the VTP Server (2.1.2.2) 58         Step 2–Configure the VTP Domain Name and Password (2.1.2.3) 59         Step 3–Configure the VTP Clients (2.1.2.4) 60         Step 4–Configure VLANs on the VTP Server (2.1.2.5) 60         Step 5–Verify That the VTP Clients Have Received the New VLAN Information (2.1.2.6) 62     Extended VLANs (2.1.3) 63         VLAN Ranges on Catalyst Switches (2.1.3.1) 63         Creating a VLAN (2.1.3.2) 65         Assigning Ports to VLANs (2.1.3.3) 66         Verifying VLAN Information (2.1.3.4) 67         Configuring Extended VLANs (2.1.3.5) 69     Dynamic Trunking Protocol (2.1.4) 71         Introduction to DTP (2.1.4.1) 71         Negotiated Interface Modes (2.1.4.2) 72 Troubleshoot Multi-VLAN Issues (2.2) 75     Inter-VLAN Configuration Issues (2.2.1) 75         Deleting VLANs (2.2.1.1) 75         Switch Port Issues (2.2.1.2) 77         Verify Switch Configuration (2.2.1.3) 79         Interface Issues (2.2.1.4) 81         Verify Routing Configuration (2.2.1.5) 82     IP Addressing Issues (2.2.2) 83         Errors with IP Addresses and Subnet Masks (2.2.2.1) 83         Verifying IP Address and Subnet Mask Configuration Issues (2.2.2.2) 85     VTP and DTP Issues (2.2.3) 88         Troubleshoot VTP Issues (2.2.3.1) 88         Troubleshoot DTP Issues (2.2.3.2) 89 Layer 3 Switching (2.3) 89     Layer 3 Switching Operation and Configuration (2.3.1) 90         Introduction to Layer 3 Switching (2.3.1.1) 90         Inter-VLAN Routing with Switch Virtual Interfaces (2.3.1.2) 91         Inter-VLAN Routing with Switch Virtual Interfaces (Con’t.) (2.3.1.3) 92         Inter-VLAN Routing with Routed Ports (2.3.1.4) 94     Troubleshoot Layer 3 Switching (2.3.2) 95         Layer 3 Switch Configuration Issues (2.3.2.1) 95         Example: Troubleshooting Layer 3 Switching (2.3.2.2) 96 Summary (2.4) 99 Practice 99 Check Your Understanding Questions 100 Chapter 3 STP 105 Objectives 105 Key Terms 105 Introduction (3.0.1.1) 107 Spanning Tree Concepts (3.1) 108     Purpose of Spanning Tree (3.1.1) 108         Redundancy at OSI Layers 1 and 2 (3.1.1.1) 108         Issues with Layer 1 Redundancy: MAC Database Instability (3.1.1.2) 109         Issues with Layer 1 Redundancy: Broadcast Storms (3.1.1.3) 111         Issues with Layer 1 Redundancy: Duplicate Unicast Frames (3.1.1.4) 113     STP Operation (3.1.2) 114         Spanning Tree Algorithm: Introduction (3.1.2.1) 114         Spanning Tree Algorithm: Port Roles (3.1.2.2) 117         Spanning Tree Algorithm: Root Bridge (3.1.2.3) 119         Spanning Tree Algorithm: Root Path Cost (3.1.2.4) 121         Port Role Decisions for RSTP (3.1.2.5) 124         Designated and Alternate Ports (3.1.2.6) 127         802.1D BPDU Frame Format (3.1.2.7) 128         802.1D BPDU Propagation and Process (3.1.2.8) 131         Extended System ID (3.1.2.9) 136 Varieties of Spanning Tree Protocols (3.2) 140     Overview (3.2.1) 140         Types of Spanning Tree Protocols (3.2.1.1) 140         Characteristics of the Spanning Tree Protocols (3.2.1.2) 141     PVST+ (3.2.2) 143         Overview of PVST+ (3.2.2.1) 143         Port States and PVST+ Operation (3.2.2.2) 144         Extended System ID and PVST+ Operation (3.2.2.3) 146     Rapid PVST+ (3.2.3) 148         Overview of Rapid PVST+ (3.2.3.1) 148         RSTP BPDUs (3.2.3.2) 149         Edge Ports (3.2.3.3) 150         Link Types (3.2.3.4) 152 Spanning Tree Configuration (3.3) 153     PVST+ Configuration (3.3.1) 153         Catalyst 2960 Default Configuration (3.3.1.1) 153         Configuring and Verifying the Bridge ID (3.3.1.2) 154         PortFast and BPDU Guard (3.3.1.3) 156         PVST+ Load Balancing (3.3.1.4) 158     Rapid PVST+ Configuration (3.3.2) 160         Spanning Tree Mode (3.3.2.1) 161     STP Configuration Issues (3.3.3) 163         Analyzing the STP Topology (3.3.3.1) 164         Expected Topology versus Actual Topology (3.3.3.2) 164         Overview of Spanning Tree Status (3.3.3.3) 165         Spanning Tree Failure Consequences (3.3.3.4) 166         Repairing a Spanning Tree Problem (3.3.3.5) 169     Switch Stacking and Chassis Aggregation (3.3.4) 169         Switch Stacking Concepts (3.3.4.1) 169         Spanning Tree and Switch Stacks (3.3.4.2) 170 Summary (3.4) 173 Practice 174 Check Your Understanding Questions 174 Chapter 4 EtherChannel and HSRP 179 Objectives 179 Key Terms 179 Introduction (4.0.1.1) 180 Link Aggregation Concepts (4.1) 181     Link Aggregation (4.1.1) 181         Introduction to Link Aggregation (4.1.1.1) 181         Advantages of EtherChannel (4.1.1.2) 182     EtherChannel Operation (4.1.2) 183         Implementation Restrictions (4.1.2.1) 183         Port Aggregation Protocol (4.1.2.2) 185         Link Aggregation Control Protocol (4.1.2.3) 186 Link Aggregation Configuration (4.2) 188     Configuring EtherChannel (4.2.1) 188         Configuration Guidelines (4.2.1.1) 188         Configuring Interfaces (4.2.1.2) 189     Verifying and Troubleshooting EtherChannel (4.2.2) 191         Verifying EtherChannel (4.2.2.1) 191         Troubleshooting EtherChannel (4.2.2.2) 194 First Hop Redundancy Protocols (4.3) 198     Concept of First Hop Redundancy Protocols (4.3.1) 198         Default Gateway Limitations (4.3.1.1) 198         Router Redundancy (4.3.1.2) 199         Steps for Router Failover (4.3.1.3) 200         First Hop Redundancy Protocols (4.3.1.5) 201     HSRP Operations (4.3.2) 202         HSRP Overview (4.3.2.1) 203         HSRP Versions (4.3.2.2) 204         HSRP Priority and Preemption (4.3.2.3) 204         HSRP States and Timers (4.3.2.4) 205     HSRP Configuration (4.3.3) 206         HSRP Configuration Commands (4.3.3.1) 206         HSRP Sample Configuration (4.3.3.2) 207         HSRP Verification (4.3.3.3) 208     HSRP Troubleshooting (4.3.4) 209         HSRP Failure (4.3.4.1) 209         HSRP Debug Commands (4.3.4.2) 210         Common HSRP Configuration Issues (4.3.4.3) 213 Summary (4.4) 214 Practice 215 Check Your Understanding Questions 216 Chapter 5 Dynamic Routing 219 Objectives 219 Key Terms 219 Introduction (5.0.1.1) 221 Dynamic Routing Protocols (5.1) 222     Types of Routing Protocols (5.1.1) 222         Classifying Routing Protocols (5.1.1.1) 222         IGP and EGP Routing Protocols (5.1.1.2) 224         Distance Vector Routing Protocols (5.1.1.3) 226         Link-State Routing Protocols (5.1.1.4) 226         Classful Routing Protocols (5.1.1.5) 228         Classless Routing Protocols (5.1.1.6) 231         Routing Protocol Characteristics (5.1.1.7) 233         Routing Protocol Metrics (5.1.1.8) 234 Distance Vector Dynamic Routing (5.2) 236     Distance Vector Fundamentals (5.2.1) 236         Dynamic Routing Protocol Operation (5.2.1.1) 236         Cold Start (5.2.1.2) 237         Network Discovery (5.2.1.3) 238         Exchanging the Routing Information (5.2.1.4) 239         Achieving Convergence (5.2.1.5) 241     Distance Vector Routing Protocol Operation (5.2.2) 242         Distance Vector Technologies (5.2.2.1) 242         Distance Vector Algorithm (5.2.2.2) 242     Types of Distance Vector Routing Protocols (5.2.3) 245         Routing Information Protocol (5.2.3.1) 245         Enhanced Interior-Gateway Routing Protocol (5.2.3.2) 246 Link-State Dynamic Routing (5.3) 248     Link-State Routing Protocol Operation (5.3.1) 248         Shortest Path First Protocols (5.3.1.1) 248         Dijkstra’s Algorithm (5.3.1.2) 248         SPF Example (5.3.1.3) 249     Link-State Updates (5.3.2) 251         Link-State Routing Process (5.3.2.1) 251         Link and Link-State (5.3.2.2) 252         Say Hello (5.3.2.3) 256         Building the Link-State Packet (5.3.2.4) 257         Flooding the LSP (5.3.2.5) 258         Building the Link-State Database (5.3.2.6) 259         Building the SPF Tree (5.3.2.7) 260         Adding OSPF Routes to the Routing Table (5.3.2.8) 264     Link-State Routing Protocol Benefits (5.3.3) 264         Why Use Link-State Protocols? (5.3.3.1) 264         Disadvantages of Link-State Protocols (5.3.3.2) 265         Protocols That Use Link-State (5.3.3.3) 267 Summary (5.4) 268 Practice 269 Check Your Understanding Questions 269 Chapter 6 EIGRP 273 Objectives 273 Key Terms 273 Introduction (6.0.1.1) 274 EIGRP Characteristics (6.1) 274     EIGRP Basic Features (6.1.1) 274         Features of EIGRP (6.1.1.1) 274         Protocol Dependent Modules (6.1.1.2) 276         Reliable Transport Protocol (6.1.1.3) 278         Authentication (6.1.1.4) 279     EIGRP Packet Types (6.1.2) 279         EIGRP Packet Types (6.1.2.1) 279         EIGRP Hello Packets (6.1.2.2) 280         EIGRP Update and Acknowledgment Packets (6.1.2.3) 281         EIGRP Query and Reply Packets (6.1.2.4) 283     EIGRP Messages (6.1.3) 284         Encapsulating EIGRP Messages (6.1.3.1) 284         EIGRP Packet Header and TLV (6.1.3.2) 285 Implement EIGRP for IPv4 (6.2) 289     Configure EIGRP with IPv4 (6.2.1) 289         EIGRP Network Topology (6.2.1.1) 289         Autonomous System Numbers (6.2.1.2) 291         The router eigrp Command (6.2.1.3) 292         EIGRP Router ID (6.2.1.4) 293         Configuring the EIGRP Router ID (6.2.1.5) 295         The network Command (6.2.1.6) 296         The network Command and Wildcard Mask (6.2.1.7) 298         Passive Interface (6.2.1.8) 300     Verify EIGRP with IPv4 (6.2.2) 302         Verifying EIGRP: Examining Neighbors (6.2.2.1) 302         Verifying EIGRP: show ip protocols Command (6.2.2.2) 304         Verifying EIGRP: Examine the IPv4 Routing Table (6.2.2.3) 306 EIGRP Operation (6.3) 309     EIGRP Initial Route Discovery (6.3.1) 309         EIGRP Neighbor Adjacency (6.3.1.1) 310         EIGRP Topology Table (6.3.1.2) 311         EIGRP Convergence (6.3.1.3) 312     EIGRP Metrics (6.3.2) 313         EIGRP Composite Metric (6.3.2.1) 313         Examining Interface Metric Values (6.3.2.2) 315         Bandwidth Metric (6.3.2.3) 316         Delay Metric (6.3.2.4) 319         How to Calculate the EIGRP Metric (6.3.2.5) 320         Calculating the EIGRP Metric (6.3.2.6) 321     DUAL and the Topology Table (6.3.3) 323         DUAL Concepts (6.3.3.1) 323         Introduction to DUAL (6.3.3.2) 324         Successor and Feasible Distance (6.3.3.3) 324         Feasible Successors, Feasibility Condition, and         Reported Distance (6.3.3.4) 326         Topology Table: show ip eigrp topology Command (6.3.3.5) 328         Topology Table: show ip eigrp topology Command (Cont.) (6.3.3.6) 329         Topology Table: No Feasible Successor (6.3.3.7) 332     DUAL and Convergence (6.3.4) 334         DUAL Finite State Machine (FSM) (6.3.4.1) 334         DUAL: Feasible Successor (6.3.4.2) 335         DUAL: No Feasible Successor (6.3.4.3) 338 Implement EIGRP for IPv6 (6.4) 341     EIGRP for IPv6 (6.4.1) 341         EIGRP for IPv6 (6.4.1.1) 341         Compare EIGRP for IPv4 and IPv6 (6.4.1.2) 342         IPv6 Link-local Addresses (6.4.1.3) 344     Configure EIGRP for IPv6 (6.4.2) 345         EIGRP for IPv6 Network Topology (6.4.2.1) 345         Configuring IPv6 Link-local Addresses (6.4.2.2) 347         Configuring the EIGRP for IPv6 Routing Process (6.4.2.3) 349         The ipv6 eigrp Interface Command (6.4.2.4) 350     Verifying EIGRP for IPv6 (6.4.3) 352         IPv6 Neighbor Table (6.4.3.1) 352         The show ip protocols Command (6.4.3.2) 354         The EIGRP for IPv6 Routing Table (6.4.3.3) 355 Summary (6.5) 358 Practice 359 Check Your Understanding Questions 360 Chapter 7 EIGRP Tuning and Troubleshooting 365 Objectives 365 Key Terms 365 Introduction (7.0.1.1) 366 Tune EIGRP (7.1) 366     Automatic Summarization (7.1.1) 366         Network Topology (7.1.1.1) 367         EIGRP Automatic Summarization (7.1.1.2) 369         Configuring EIGRP Automatic Summarization (7.1.1.3) 371         Verifying Auto-Summary: show ip protocols (7.1.1.4) 372         Verifying Auto-Summary: Topology Table (7.1.1.5) 375         Verifying Auto-Summary: Routing Table (7.1.1.6) 376         Summary Route (7.1.1.7) 378         Summary Route (Cont.) (7.1.1.8) 379     Default Route Propagation (7.1.2) 380         Propagating a Default Static Route (7.1.2.1) 380         Verifying the Propagated Default Route (7.1.2.2) 382         EIGRP for IPv6: Default Route (7.1.2.3) 383     Fine-tuning EIGRP Interfaces (7.1.3) 384         EIGRP Bandwidth Utilization (7.1.3.1) 385         Hello and Hold Timers (7.1.3.2) 386         Load Balancing IPv4 (7.1.3.3) 388         Load Balancing IPv6 (7.1.3.4) 390 Troubleshoot EIGRP (7.2) 392     Components of Troubleshooting EIGRP (7.2.1) 392         Basic EIGRP Troubleshooting Commands (7.2.1.1) 392         Components (7.2.1.2) 394     Troubleshoot EIGRP Neighbor Issues (7.2.2) 397         Layer 3 Connectivity (7.2.2.1) 397         EIGRP Parameters (7.2.2.2) 398         EIGRP Interfaces (7.2.2.3) 399     Troubleshoot EIGRP Routing Table Issues (7.2.3) 401         Passive Interface (7.2.3.1) 401         Missing Network Statement (7.2.3.2) 403         Autosummarization (7.2.3.3) 405 Summary (7.3) 410 Practice 411 Check Your Understanding Questions 412 Chapter 8 Single-Area OSPF 415 Objectives 415 Key Terms 415 Introduction (8.0.1.1) 416 OSPF Characteristics (8.1) 416     Open Shortest Path First (8.1.1) 416         Evolution of OSPF (8.1.1.1) 417         Features of OSPF (8.1.1.2) 418         Components of OSPF (8.1.1.3) 419         Link-State Operation (8.1.1.4) 420         Single-Area and Multiarea OSPF (8.1.1.5) 424     OSPF Messages (8.1.2) 426         Encapsulating OSPF Messages (8.1.2.1) 426         Types of OSPF Packets (8.1.2.2) 428         Hello Packet (8.1.2.3) 428         Hello Packet Intervals (8.1.2.4) 430         Link-State Updates (8.1.2.5) 430     OSPF Operation (8.1.3) 431         OSPF Operational States (8.1.3.1) 432         Establish Neighbor Adjacencies (8.1.3.2) 433         OSPF DR and BDR (8.1.3.3) 435         Synchronizing OSPF Databases (8.1.3.4) 438 Single-Area OSPFv2 (8.2) 440     OSPF Router ID (8.2.1) 441         OSPF Network Topology (8.2.1.1) 441         Router OSPF Configuration Mode (8.2.1.2) 442         Router IDs (8.2.1.3) 442         Configuring an OSPF Router ID (8.2.1.4) 444         Modifying a Router ID (8.2.1.5) 445         Using a Loopback Interface as the Router ID (8.2.1.6) 447     Configure Single-Area OSPFv2 (8.2.2) 448         Enabling OSPF on Interfaces (8.2.2.1) 448         Wildcard Mask (8.2.2.2) 448         The network Command (8.2.2.3) 449         Passive Interface (8.2.2.4) 450         Configuring Passive Interfaces (8.2.2.5) 451     OSPF Cost (8.2.3) 453         OSPF Metric = Cost (8.2.3.1) 454         OSPF Accumulates Costs (8.2.3.2) 455         Adjusting the Reference Bandwidth (8.2.3.3) 456         Default Interface Bandwidths (8.2.3.4) 460         Adjusting the Interface Bandwidth (8.2.3.5) 462         Manually Setting the OSPF Cost (8.2.3.6) 463     Verify OSPF (8.2.4) 464         Verify OSPF Neighbors (8.2.4.1) 465         Verify OSPF Protocol Settings (8.2.4.2) 466         Verify OSPF Process Information (8.2.4.3) 466         Verify OSPF Interface Settings (8.2.4.4) 468 Single-Area OSPFv3 (8.3) 469     OSPFv2 vs. OSPFv3 (8.3.1) 469         OSPFv3 (8.3.1.1) 469         Similarities Between OSPFv2 to OSPFv3 (8.3.1.2) 471         Differences Between OSPFv2 and OSPFv3 (8.3.1.3) 471         Link-Local Addresses (8.3.1.4) 472     Configuring OSPFv3 (8.3.2) 473         OSPFv3 Network Topology (8.3.2.1) 473         Link-Local Addresses (8.3.2.2) 475         Assigning Link-Local Addresses (8.3.2.3) 476         Configuring the OSPFv3 Router ID (8.3.2.4) 477         Modifying an OSPFv3 Router ID (8.3.2.5) 479         Enabling OSPFv3 on Interfaces (8.3.2.6) 481     Verify OSPFv3 (8.3.3) 481         Verify OSPFv3 Neighbors (8.3.3.1) 482         Verify OSPFv3 Protocol Settings (8.3.3.2) 483         Verify OSPFv3 Interfaces (8.3.3.3) 483         Verify the IPv6 Routing Table (8.3.3.4) 484 Summary (8.4) 486 Practice 487 Check Your Understanding Questions 488 Chapter 9 Multiarea OSPF 493 Objectives 493 Key Terms 493 Introduction (9.0.1.1) 494 Multiarea OSPF Operation (9.1) 494     Why Multiarea OSPF? (9.1.1) 494         Single-Area OSPF (9.1.1.1) 494         Multiarea OSPF (9.1.1.2) 495         OSPF Two-Layer Area Hierarchy (9.1.1.3) 498         Types of OSPF Routers (9.1.1.4) 499     Multiarea OSPF LSA Operation (9.1.2) 501         OSPF LSA Types (9.1.2.1) 502         OSPF LSA Type 1 (9.1.2.2) 502         OSPF LSA Type 2 (9.1.2.3) 503         OSPF LSA Type 3 (9.1.2.4) 504         OSPF LSA Type 4 (9.1.2.5) 505         OSPF LSA Type 5 (9.1.2.6) 506     OSPF Routing Table and Types of Routes (9.1.3) 506         OSPF Routing Table Entries (9.1.3.1) 507         OSPF Route Calculation (9.1.3.2) 508 Configuring Multiarea OSPF (9.2) 509     Configuring Multiarea OSPF (9.2.1) 510         Implementing Multiarea OSPF (9.2.1.1) 510         Configuring Multiarea OSPFv2 (9.2.1.2) 511         Configuring Multiarea OSPFv3 (9.2.1.3) 513     Verifying Multiarea OSPF (9.2.2) 515         Verifying Multiarea OSPFv2 (9.2.2.1) 515         Verify General Multiarea OSPFv2 Settings (9.2.2.2) 515         Verify the OSPFv2 Routes (9.2.2.3) 516         Verify the Multiarea OSPFv2 LSDB (9.2.2.4) 517         Verify Multiarea OSPFv3 (9.2.2.5) 518 Summary (9.3) 522 Practice 523 Check Your Understanding Questions 524 Chapter 10 OSPF Tuning and Troubleshooting 527 Objectives 527 Key Terms 527 Introduction (10.0.1.1) 528 Advanced Single-Area OSPF Configurations (10.1) 528     OSPF in Multiaccess Networks (10.1.1) 528         OSPF Network Types (10.1.1.1) 528         Challenges in Multiaccess Networks (10.1.1.2) 531         OSPF Designated Router (10.1.1.3) 533         Verifying DR/BDR Roles (10.1.1.4) 535         Verifying DR/BDR Adjacencies (10.1.1.5) 538         Default DR/BDR Election Process (10.1.1.6) 540         DR/BDR Election Process (10.1.1.7) 541         The OSPF Priority (10.1.1.8) 544         Changing the OSPF Priority (10.1.1.9) 544     Default Route Propagation (10.1.2) 547         Propagating a Default Static Route in OSPFv2 (10.1.2.1) 547         Verifying the Propagated IPv4 Default Route (10.1.2.2) 549         Propagating a Default Static Route in OSPFv3 (10.1.2.3) 551         Verifying the Propagated IPv6 Default Route (10.1.2.4) 552     Fine-tuning OSPF Interfaces (10.1.3) 554         OSPF Hello and Dead Intervals (10.1.3.1) 554         Modifying OSPFv2 Intervals (10.1.3.2) 555         Modifying OSPFv3 Intervals (10.1.3.3) 557 Troubleshooting Single-Area OSPF Implementations (10.2) 560     Components of Troubleshooting Single-Area OSPF (10.2.1) 560         Overview (10.2.1.1) 560         OSPF States (10.2.1.2) 560         OSPF Troubleshooting Commands (10.2.1.3) 562         Components of Troubleshooting OSPF (10.2.1.4) 566     Troubleshoot Single-Area OSPFv2 Routing Issues (10.2.2) 569         Troubleshooting Neighbor Issues (10.2.2.1) 569         Troubleshooting OSPFv2 Routing Table Issues (10.2.2.2) 573     Troubleshoot Single-Area OSPFv3 Routing Issues (10.2.3) 576         OSPFv3 Troubleshooting Commands (10.2.3.1) 576         Troubleshooting OSPFv3 (10.2.3.2) 580     Troubleshooting Multiarea OSPFv2 and OSPFv3 (10.2.4) 582         Multiarea OSPF Troubleshooting Skills (10.2.4.1) 582         Multiarea OSPF Troubleshooting Data Structures (10.2.4.2) 583 Summary (10.3) 585 Practice 587 Check Your Understanding Questions 587 Appendix A Answers to the Review Questions 591 Glossary 603   9781587134340   TOC   7/18/2017  

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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.


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Product Details
  • ISBN-13: 9780134760902
  • Publisher: Pearson Education (US)
  • Publisher Imprint: Cisco Press
  • Language: English
  • Series Title: Companion Guide
  • ISBN-10: 0134760905
  • Publisher Date: 17 Aug 2017
  • Binding: Digital download
  • No of Pages: 672


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