Title:
Troubleshooting and maintaining Cisco IP networks (TSHOOT) : foundation learning guide : foundation learning for the CCNP TSHOOT 642-832
Personal Author:
Publication Information:
Indianapolis, IN : Cisco Press, c2010
Physical Description:
xviii, 531 p. : ill. ; 24 cm.
ISBN:
9781587058769
Corporate Subject:
Available:*
Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
|---|---|---|---|---|---|
Searching... | 30000010267219 | TK5105.8.C57 R36 2010 | Open Access Book | Book | Searching... |
On Order
Summary
Summary
Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide is a Cisco® authorized learning tool for CCNP preparation. As part of the Cisco Press foundation learning series, this book covers how to maintain and monitor complex enterprise networks.
The chapters focus on planning tasks, evaluations of designs, performance measurements, configuring and verifying, and correct troubleshooting procedures and documentation tasks. From this book you will learn the foundational topics for critical analysis, planning, verification and documentation, while configuring tasks would have been mastered in the CCNP ROUTE and CCNP SWITCH material. The author walks you through several real-world troubleshooting examples to help you refine your study in the art of troubleshooting. Each chapter opens with the list of topics covered to clearly identify the focus of that chapter. At the end of each chapter, a summary of key concepts for quick study and review questions provide you with an opportunity to assess and reinforce your understanding of the material. Throughout the book, real-world troubleshooting examples serve to illuminate theoretical concepts. Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide is ideal for certification candidates who are seeking a tool to learn all the topics covered in the CCNP TSHOOT 642-832 exam. Serves as the official book for the Cisco Networking Academy CCNP TSHOOT course Provides a thorough presentation on maintenance and troubleshooting techniques for routers and switches in a complex enterprise network Covers troubleshooting wireless, unified communications, and video issues in converged networks Explains how to maintain and troubleshoot network security implementations Uses extensive troubleshooting examples and diagrams to solidify the topic explanations Presents self-assessment review questions, chapter objectives, and summaries to facilitate effective studying This volume is in the Certification Self-Study Series offered by Cisco Press®. Books in this series provide officially developed training solutions to help networking professionals understand technology implementations and prepare for the Cisco Career Certifications examinations.Author Notes
Amir Ranjbar
, CCIE No. 8669, is a Certified Cisco Systems Instructor and an internetworking consultant. Operating under his own corporation, AMIRACAN Inc., Amir offers his training services to Global Knowledge Network, his consulting expertise to a variety of clients (mainly Internet service providers), and his technical writing skills to Cisco Press. Born in Tehran, Iran, Amir immigrated to Canada in 1983 at the age of 16 and completed his Master's degree in knowledge-based systems (a branch in AI) in 1991. He has been involved in training, consulting, and technical writing for the greater part of his career. Amir Ranjbar can be contacted through his e-mail address aranjbar@amiracan.com.Table of Contents
| Introduction | p. xvi |
| Chapter 1 Planning Maintenance for Complex Networks | p. 1 |
| Applying Maintenance Methodologies | p. 1 |
| Maintenance Models and Methodologies | p. 2 |
| Determining Procedures and Tools to Support Maintenance Models | p. 4 |
| Maintenance Processes and Procedures | p. 5 |
| Network Maintenance Task Identification | p. 6 |
| Network Maintenance Planning | p. 7 |
| Scheduling Maintenance | p. 7 |
| Formalizing Change-Control Procedures | p. 8 |
| Establishing Network Documentation Procedures | p. 8 |
| Establishing Effective Communication | p. 9 |
| Defining Templates/Procedures/Conventions (Standardization) | p. 10 |
| Planning for Disaster Recovery | p. 10 |
| Network Monitoring and Performance Measurement | p. 11 |
| Network Maintenance Tools, Applications, and Resources | p. 12 |
| Fundamental Tools, Applications, and Resources | p. 12 |
| Configuration and Documentation Tools | p. 15 |
| Logging Services | p. 16 |
| Network Monitoring and Performance Measurement Tools | p. 17 |
| Implementing Backup and Restore Services | p. 18 |
| Disaster Recovery Tools | p. 22 |
| Summary | p. 23 |
| Review Questions | p. 27 |
| Chapter 2 Troubleshooting Processes for Complex Enterprise Networks | p. 31 |
| Troubleshooting Methodologies | p. 31 |
| Troubleshooting Principles | p. 32 |
| Structured Troubleshooting Approaches | p. 34 |
| Top-Down Troubleshooting Method | p. 35 |
| Bottom-Up Troubleshooting Method | p. 36 |
| Follow-the-Path Troubleshooting Method | p. 36 |
| Spot-the-Differences Troubleshooting Method | p. 37 |
| Move-the-Problem Troubleshooting Method | p. 38 |
| Troubleshooting Example: Methodologies | p. 39 |
| Implementing Troubleshooting Procedures | p. 41 |
| The Troubleshooting Process | p. 41 |
| Defining the Problem | p. 42 |
| Gathering and Analyzing Information | p. 43 |
| Eliminating Possible Problem Causes | p. 45 |
| Formulating/Testing a Hypothesis | p. 46 |
| An Example on Elimination and Assumptions | p. 46 |
| Solving the Problem | p. 47 |
| Integrating Troubleshooting into the Network Maintenance Process | p. 50 |
| Troubleshooting and Network Maintenance | p. 50 |
| Documentation | p. 51 |
| Creating a Baseline | p. 53 |
| Communication and Change Control | p. 54 |
| Change Control | p. 56 |
| Summary | p. 57 |
| Review Questions | p. 59 |
| Chapter 3 Using Maintenance and Troubleshooting Tools and Applications | p. 63 |
| Using Cisco IOS Software for Maintenance and Troubleshooting | p. 63 |
| Collecting and Filtering Information Using Cisco IOS show Commands | p. 64 |
| Testing Network Connectivity Using ping and Telnet | p. 69 |
| Collecting Real-time Information Using Cisco IOS debug Commands | p. 73 |
| Debug ip packet | |
| [access-list-number][detail] | p. 73 |
| Debug ip rip | p. 74 |
| Diagnosing Hardware Issues Using Cisco IOS Commands | p. 74 |
| Checking CPU Utilization | p. 75 |
| Checking Memory Utilization | p. 77 |
| Checking Interfaces | p. 78 |
| Using Specialized Maintenance and Troubleshooting Tools | p. 81 |
| Categories of Troubleshooting Tools | p. 81 |
| Using Traffic-Capturing Tools | p. 83 |
| SPAN and RSPAN | p. 84 |
| Gathering Information with SNMP | p. 87 |
| Gathering Information with NetFlow | p. 88 |
| Enabling Network Event Notification | p. 91 |
| Summary | p. 94 |
| Review Questions | p. 97 |
| Chapter 4 Maintaining and Troubleshooting Campus Switched Solutions | p. 103 |
| Troubleshooting VLANs | p. 103 |
| LAN Switch Operation | p. 104 |
| Verifying Layer 2 Forwarding | p. 109 |
| Troubleshooting Spanning Tree | p. 111 |
| Spanning-Tree Operation | p. 112 |
| Electing a Root Bridge | p. 113 |
| Electing a Root Port | p. 113 |
| Electing Designated Ports | p. 115 |
| Ports Going into Blocking, or Learning, and Forwarding State | p. 116 |
| Analyzing the Spanning-Tree Topology | p. 117 |
| Spanning-Tree Failures | p. 119 |
| EtherChannel Operation | p. 120 |
| Troubleshooting Example: Switch Replacement Gone Bad | p. 121 |
| Troubleshooting Switched Virtual Interfaces and Inter-VLAN Routing | p. 126 |
| Inter-VLAN Routing and Multilayer Switching | p. 127 |
| Switched Virtual Interfaces and Routed Ports | p. 129 |
| Troubleshooting First-Hop Redundancy Protocols | p. 131 |
| Using First-Hop Redundancy | p. 131 |
| Verifying FHRP Operation | p. 134 |
| Alternatives to HSRP | p. 138 |
| Summary | p. 139 |
| Review Questions | p. 142 |
| Chapter 5 Maintaining and Troubleshooting Routing Solutions | p. 149 |
| Troubleshooting Network Layer Connectivity | p. 149 |
| Routing and Routing Data Structures | p. 150 |
| Using IOS Commands to Verify Routing Functions | p. 154 |
| Troubleshooting EIGRP | p. 156 |
| EIGRP Routing Review | p. 156 |
| Monitoring EIGRP | p. 159 |
| Troubleshooting Example: Routing Problem in an EIGRP | |
| Network | p. 160 |
| Troubleshooting OSPF | p. 165 |
| OSPF Data Structures | p. 166 |
| OSPF Information Flow Within an Area | p. 170 |
| OSPF Information Flow Between Areas | p. 171 |
| Cisco IOS OSPF Commands | p. 172 |
| Troubleshooting Example: Routing Problem in an OSPF Network | p. 174 |
| Troubleshooting Route Redistribution | p. 179 |
| Route Injection and Redistribution Process | p. 179 |
| Verifying and Troubleshooting Route Propagation | p. 181 |
| Troubleshooting Example: Redistribution from OSPF to EIGRP | p. 183 |
| Troubleshooting BGP | p. 187 |
| BGP Route Processing and Data Structures | p. 187 |
| BGP Routing Information Flow | p. 189 |
| Cisco IOS BGP Commands | p. 190 |
| Troubleshooting Example: Routing Problem in a BGP Network | p. 191 |
| Summary | p. 197 |
| Review Questions | p. 202 |
| Chapter 6 Troubleshooting Addressing Services | p. 211 |
| Identify Common IPv4 Addressing Service Issues | p. 211 |
| NAT/PAT Operation | p. 212 |
| Troubleshooting Common NAT/PAT Issues | p. 215 |
| Troubleshooting Example: NAT/PAT Problem Caused by a | |
| Routing Issue | p. 217 |
| Troubleshooting Example: NAT Problem Caused by an Inaccurate | |
| Access List | p. 220 |
| Reviewing DHCP Operation | p. 226 |
| Common DHCP Troubleshooting Issues | p. 227 |
| DHCP Troubleshooting Tips and Commands | p. 231 |
| DHCP Troubleshooting Example: Problems After a Security Audit | p. 233 |
| DHCP Troubleshooting Example: Duplicate Client IP Addresses | p. 238 |
| DHCP Troubleshooting Example: Relay Agent Issue | p. 240 |
| Identify Common IPv6 Routing Issues | p. 243 |
| IPv6 Routing | p. 243 |
| Troubleshooting IPv6 Issues | p. 244 |
| IPv6 Troubleshooting Example: Stateless Autoconfiguration Issue | p. 246 |
| IPv6 Troubleshooting Example: Redistribution Issue | p. 253 |
| IPv6 Troubleshooting Example: OSPFv3 Configuration Errors | p. 261 |
| IPv6 Troubleshooting Example: OSPFv3 over 6to4 Tunnel | p. 270 |
| Summary | p. 276 |
| Review Questions | p. 279 |
| Chapter 7 Troubleshooting Network Performance Issues | p. 283 |
| Troubleshooting Network Applications Services | p. 283 |
| Network Application Services | p. 284 |
| NetFlow | p. 286 |
| Cisco IP SLA | p. 289 |
| NBAR | p. 292 |
| SLB | p. 293 |
| QoS and AutoQoS | p. 294 |
| Common Issues with Network Application Services | p. 296 |
| Common NetFlow Issues | p. 296 |
| Common IP SLA Issues | p. 296 |
| Common NBAR Issues | p. 297 |
| Common AutoQoS Issues | p. 297 |
| Troubleshooting Example: Network Application Services Problem | p. 297 |
| NetFlow Troubleshooting Example | p. 298 |
| IP SLA Troubleshooting Example | p. 301 |
| AutoQoS Troubleshooting Example | p. 304 |
| Troubleshooting Performance Issues on Switches | p. 308 |
| Identifying Performance Issues on Switches | p. 308 |
| Troubleshooting Switch Interface Performance Problems | p. 310 |
| Switch Port/Interface Issues | p. 314 |
| Troubleshooting Example: Duplex Problem | p. 315 |
| Auto-MDIX | p. 317 |
| The Forwarding Hardware | p. 318 |
| Troubleshooting TCAM Problems | p. 318 |
| Control Plane: Troubleshooting High CPU Load on Switches | p. 322 |
| DHCP Issues | p. 325 |
| Spanning-Tree Issues | p. 326 |
| HSRP | p. 327 |
| Switch Performance Troubleshooting Example | |
| Speed and Duplex Settings | p. 327 |
| Switch Performance Troubleshooting Example: Excessive Broadcasts | p. 332 |
| Switch Performance Troubleshooting Example: Excessive Security | p. 336 |
| Troubleshooting Performance Issues on Routers | p. 343 |
| Troubleshooting High CPU Usage Issues on Routers | p. 344 |
| Troubleshooting Switching Paths | p. 347 |
| Process Switching | p. 348 |
| Fast Switching | p. 348 |
| Cisco Express Forwarding | p. 349 |
| Troubleshooting Process and Fast Switching | p. 350 |
| Troubleshooting CEF | p. 351 |
| IOS Tools to Analyze Packet Forwarding | p. 354 |
| Troubleshooting Router Memory Issues | p. 357 |
| BGP Memory Use | p. 360 |
| Summary | p. 361 |
| Review Questions | p. 365 |
| Chapter 8 Troubleshooting Converged Networks | p. 371 |
| Troubleshooting Converged Networks to Support Wireless Operations | p. 371 |
| Common Wireless Integration Issues | p. 372 |
| WLAN Connectivity Troubleshooting Example: Misconfigured Trunk | p. 374 |
| WLAN Connectivity Troubleshooting Example: Duplex and Trust Issues | p. 378 |
| WLAN Connectivity Troubleshooting Example: LWAPP Denied by New | |
| Security Implementations | p. 382 |
| WLAN Connectivity Troubleshooting Example: DHCP Issues | p. 385 |
| Troubleshooting Unified Communications Issues in a Converged Network | p. 390 |
| Common Unified Communications Integration Issues | p. 390 |
| Unified Communications Troubleshooting Example: Port Security and | |
| Voice VLAN Issues | p. 395 |
| Unified Communications Troubleshooting Example: Invalid Marking of | |
| VoIP Packets | p. 399 |
| Unified Communications Troubleshooting Example: ACL and | |
| Trunk Issues | p. 405 |
| Troubleshooting Video Issues in a Converged Network | p. 410 |
| Common Video-Integration Issues | p. 410 |
| Video-Integration Troubleshooting Example: Performance Issues Due to | |
| STP Topology | p. 416 |
| Video-Integration Troubleshooting Example: IP Multicast | |
| Configuration Error | p. 426 |
| Summary | p. 431 |
| Review Questions | p. 433 |
| Chapter 9 Maintaining and Troubleshooting Network Security | |
| Implementations | p. 435 |
| Troubleshooting Secure Networks | p. 435 |
| Troubleshooting Challenges in Secured Networks | p. 436 |
| Security Features Review | p. 437 |
| Troubleshooting Management Plane Security | p. 438 |
| The Management Plane | p. 438 |
| Securing the Management Plane | p. 440 |
| Troubleshooting Security Implementations in the Management Plane | p. 442 |
| Troubleshooting Control Plane Security | p. 447 |
| Securing the Control Plane | p. 448 |
| Troubleshooting Security Implementations in the Control Plane | p. 448 |
| Troubleshooting Data Plane Security | p. 449 |
| Securing the Data Plane | p. 449 |
| Securing the Data Plane Using IOS Stateful Packet Inspection | p. 449 |
| Securing the Data Plane Using the Zone-Based Policy Firewall | p. 452 |
| Other Methods of Securing the Data Plane | p. 454 |
| Troubleshooting Security Implementations in the Data Plane | p. 455 |
| Troubleshooting Branch Office and Remote Worker Connectivity | p. 456 |
| Branch Office and Remote Worker Connectivity | p. 456 |
| Identifying Issues with Branch Office and Remote Worker Connectivity | p. 457 |
| Branch Office/Remote Worker Troubleshooting Example: Address | |
| Translation Error | p. 460 |
| Branch Office/Remote Worker Troubleshooting Example | |
| Crypto Map ACL Error | p. 463 |
| Branch Office/Remote Worker Troubleshooting Example: GRE | |
| Configuration Error | p. 467 |
| Branch Office/Remote Worker Troubleshooting Example: Recursive | |
| Routing Problem | p. 471 |
| Branch Office/Remote Worker Troubleshooting Example: ACL Denies | |
| IPsec Protocols | p. 476 |
| Summary | p. 478 |
| Review Questions | p. 480 |
| Chapter 10 Review and Preparation for Troubleshooting Complex Enterprise | |
| Networks | p. 485 |
| Review of Key Maintenance and Troubleshooting Concepts and Tools | p. 485 |
| Applying Maintenance and Troubleshooting Concepts and Tools | p. 488 |
| Summary | p. 491 |
| Appendix A Answer to Review Questions | p. 493 |
| Index | p. 501 |
