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Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: Foundation learning for the CCNP TSHOOT 642-832
- By Amir Ranjbar
- Published Mar 26, 2010 by Cisco Press.
Book
- Sorry, this book is no longer in print.
About
Features
- Foundational, authorized learning for Cisco's CCNP Troubleshooting and Maintaining (TSHT) exam - straight from Cisco!
- The only Cisco authorized self-study book for the CCNP TSHT exam: developed with Learning@Cisco, designers of the exam and its companion course
- Includes review questions, chapter objectives, summaries, definitions, and case studies
- Covers maintaining, monitoring, and troubleshooting router-based, switch-based, and security solutions; network and application services, and more
Description
- Copyright 2010
- Edition: 1st
- Book
- ISBN-10: 1-58705-876-6
- ISBN-13: 978-1-58705-876-9
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.
Sample Content
Online Sample Chapter
Troubleshooting Processes for Complex Enterprise Networks
Sample Pages
Download the sample pages (includes Chapter 2 and Index)
Table of Contents
Introduction xvi
Chapter 1 Planning Maintenance for Complex Networks 1
Applying Maintenance Methodologies 1
Maintenance Models and Methodologies 2
Determining Procedures and Tools to Support Maintenance Models 4
Maintenance Processes and Procedures 5
Network Maintenance Task Identification 6
Network Maintenance Planning 7
Scheduling Maintenance 7
Formalizing Change-Control Procedures 8
Establishing Network Documentation Procedures 8
Establishing Effective Communication 9
Defining Templates/Procedures/Conventions (Standardization) 10
Planning for Disaster Recovery 10
Network Monitoring and Performance Measurement 11
Network Maintenance Tools, Applications, and Resources 12
Fundamental Tools, Applications, and Resources 12
Configuration and Documentation Tools 15
Logging Services 16
Network Monitoring and Performance Measurement Tools 17
Implementing Backup and Restore Services 18
Disaster Recovery Tools 22
Summary 23
Review Questions 27
Chapter 2 Troubleshooting Processes for Complex Enterprise Networks 31
Troubleshooting Methodologies 31
Troubleshooting Principles 32
Structured Troubleshooting Approaches 34
Top-Down Troubleshooting Method 35
Bottom-Up Troubleshooting Method 36
Follow-the-Path Troubleshooting Method 36
Spot-the-Differences Troubleshooting Method 37
Move-the-Problem Troubleshooting Method 38
Troubleshooting Example: Methodologies 39
Implementing Troubleshooting Procedures 41
The Troubleshooting Process 41
Defining the Problem 42
Gathering and Analyzing Information 43
Eliminating Possible Problem Causes 45
Formulating/Testing a Hypothesis 46
An Example on Elimination and Assumptions 46
Solving the Problem 47
Integrating Troubleshooting into the Network Maintenance Process 50
Troubleshooting and Network Maintenance 50
Documentation 51
Creating a Baseline 53
Communication and Change Control 54
Change Control 56
Summary 57
Review Questions 59
Chapter 3 Using Maintenance and Troubleshooting Tools and Applications 63
Using Cisco IOS Software for Maintenance and Troubleshooting 63
Collecting and Filtering Information Using Cisco IOS show Commands 64
Testing Network Connectivity Using ping and Telnet 69
Collecting Real-time Information Using Cisco IOS debug Commands 73
debug ip packet [access-list-number][detail] 73
debug ip rip 74
Diagnosing Hardware Issues Using Cisco IOS Commands 74
Checking CPU Utilization 75
Checking Memory Utilization 77
Checking Interfaces 78
Using Specialized Maintenance and Troubleshooting Tools 81
Categories of Troubleshooting Tools 81
Using Traffic-Capturing Tools 83
SPAN and RSPAN 84
Gathering Information with SNMP 87
Gathering Information with NetFlow 88
Enabling Network Event Notification 91
Summary 94
Review Questions 97
Chapter 4 Maintaining and Troubleshooting Campus Switched Solutions 103
Troubleshooting VLANs 103
LAN Switch Operation 104
Verifying Layer 2 Forwarding 109
Troubleshooting Spanning Tree 111
Spanning-Tree Operation 112
Electing a Root Bridge 113
Electing a Root Port 113
Electing Designated Ports 115
Ports Going into Blocking, or Learning, and Forwarding State 116
Analyzing the Spanning-Tree Topology 117
Spanning-Tree Failures 119
EtherChannel Operation 120
Troubleshooting Example: Switch Replacement Gone Bad 121
Troubleshooting Switched Virtual Interfaces and Inter-VLAN Routing 126
Inter-VLAN Routing and Multilayer Switching 127
Switched Virtual Interfaces and Routed Ports 129
Troubleshooting First-Hop Redundancy Protocols 131
Using First-Hop Redundancy 131
Verifying FHRP Operation 134
Alternatives to HSRP 138
Summary 139
Review Questions 142
Chapter 5 Maintaining and Troubleshooting Routing Solutions 149
Troubleshooting Network Layer Connectivity 149
Routing and Routing Data Structures 150
Using IOS Commands to Verify Routing Functions 154
Troubleshooting EIGRP 156
EIGRP Routing Review 156
Monitoring EIGRP 159
Troubleshooting Example: Routing Problem in an EIGRP
Network 160
Troubleshooting OSPF 165
OSPF Data Structures 166
OSPF Information Flow Within an Area 170
OSPF Information Flow Between Areas 171
Cisco IOS OSPF Commands 172
Troubleshooting Example: Routing Problem in an OSPF Network 174
Troubleshooting Route Redistribution 179
Route Injection and Redistribution Process 179
Verifying and Troubleshooting Route Propagation 181
Troubleshooting Example: Redistribution from OSPF to EIGRP 183
Troubleshooting BGP 187
BGP Route Processing and Data Structures 187
BGP Routing Information Flow 189
Cisco IOS BGP Commands 190
Troubleshooting Example: Routing Problem in a BGP Network 191
Summary 197
Review Questions 202
Chapter 6 Troubleshooting Addressing Services 211
Identify Common IPv4 Addressing Service Issues 211
NAT/PAT Operation 212
Troubleshooting Common NAT/PAT Issues 215
Troubleshooting Example: NAT/PAT Problem Caused by a
Routing Issue 217
Troubleshooting Example: NAT Problem Caused by an Inaccurate
Access List 220
Reviewing DHCP Operation 226
Common DHCP Troubleshooting Issues 227
DHCP Troubleshooting Tips and Commands 231
DHCP Troubleshooting Example: Problems After a Security Audit 233
DHCP Troubleshooting Example: Duplicate Client IP Addresses 238
DHCP Troubleshooting Example: Relay Agent Issue 240
Identify Common IPv6 Routing Issues 243
IPv6 Routing 243
Troubleshooting IPv6 Issues 244
IPv6 Troubleshooting Example: Stateless Autoconfiguration Issue 246
IPv6 Troubleshooting Example: Redistribution Issue 253
IPv6 Troubleshooting Example: OSPFv3 Configuration Errors 261
IPv6 Troubleshooting Example: OSPFv3 over 6to4 Tunnel 270
Summary 276
Review Questions 279
Chapter 7 Troubleshooting Network Performance Issues 283
Troubleshooting Network Applications Services 283
Network Application Services 284
NetFlow 286
Cisco IP SLA 289
NBAR 292
SLB 293
QoS and AutoQoS 294
Common Issues with Network Application Services 296
Common NetFlow Issues 296
Common IP SLA Issues 296
Common NBAR Issues 297
Common AutoQoS Issues 297
Troubleshooting Example: Network Application Services Problem 297
NetFlow Troubleshooting Example 298
IP SLA Troubleshooting Example 301
AutoQoS Troubleshooting Example 304
Troubleshooting Performance Issues on Switches 308
Identifying Performance Issues on Switches 308
Troubleshooting Switch Interface Performance Problems 310
Switch Port/Interface Issues 314
Troubleshooting Example: Duplex Problem 315
Auto-MDIX 317
The Forwarding Hardware 318
Troubleshooting TCAM Problems 318
Control Plane: Troubleshooting High CPU Load on Switches 322
DHCP Issues 325
Spanning-Tree Issues 326
HSRP 327
Switch Performance Troubleshooting Example:
Speed and Duplex Settings 327
Switch Performance Troubleshooting Example: Excessive Broadcasts 332
Switch Performance Troubleshooting Example: Excessive Security 336
Troubleshooting Performance Issues on Routers 343
Troubleshooting High CPU Usage Issues on Routers 344
Troubleshooting Switching Paths 347
Process Switching 348
Fast Switching 348
Cisco Express Forwarding 349
Troubleshooting Process and Fast Switching 350
Troubleshooting CEF 351
IOS Tools to Analyze Packet Forwarding 354
Troubleshooting Router Memory Issues 357
BGP Memory Use 360
Summary 361
Review Questions 365
Chapter 8 Troubleshooting Converged Networks 371
Troubleshooting Converged Networks to Support Wireless Operations 371
Common Wireless Integration Issues 372
WLAN Connectivity Troubleshooting Example: Misconfigured Trunk 374
WLAN Connectivity Troubleshooting Example: Duplex and Trust Issues 378
WLAN Connectivity Troubleshooting Example: LWAPP Denied by New
Security Implementations 382
WLAN Connectivity Troubleshooting Example: DHCP Issues 385
Troubleshooting Unified Communications Issues in a Converged Network 390
Common Unified Communications Integration Issues 390
Unified Communications Troubleshooting Example: Port Security and
Voice VLAN Issues 395
Unified Communications Troubleshooting Example: Invalid Marking of
VoIP Packets 399
Unified Communications Troubleshooting Example: ACL and
Trunk Issues 405
Troubleshooting Video Issues in a Converged Network 410
Common Video-Integration Issues 410
Video-Integration Troubleshooting Example: Performance Issues Due to
STP Topology 416
Video-Integration Troubleshooting Example: IP Multicast
Configuration Error 426
Summary 431
Review Questions 433
Chapter 9 Maintaining and Troubleshooting Network Security
Implementations 435
Troubleshooting Secure Networks 435
Troubleshooting Challenges in Secured Networks 436
Security Features Review 437
Troubleshooting Management Plane Security 438
The Management Plane 438
Securing the Management Plane 440
Troubleshooting Security Implementations in the Management Plane 442
Troubleshooting Control Plane Security 447
Securing the Control Plane 448
Troubleshooting Security Implementations in the Control Plane 448
Troubleshooting Data Plane Security 449
Securing The Data Plane 449
Securing the Data Plane Using IOS Stateful Packet Inspection 449
Securing the Data Plane Using the Zone-Based Policy Firewall 452
Other Methods of Securing the Data Plane 454
Troubleshooting Security Implementations in the Data Plane 455
Troubleshooting Branch Office and Remote Worker Connectivity 456
Branch Office and Remote Worker Connectivity 456
Identifying Issues with Branch Office and Remote Worker Connectivity 457
Branch Office/Remote Worker Troubleshooting Example: Address
Translation Error 460
Branch Office/Remote Worker Troubleshooting Example:
Crypto Map ACL Error 463
Branch Office/Remote Worker Troubleshooting Example: GRE
Configuration Error 467
Branch Office/Remote Worker Troubleshooting Example: Recursive
Routing Problem 471
Branch Office/Remote Worker Troubleshooting Example: ACL Denies
IPsec Protocols 476
Summary 478
Review Questions 480
Chapter 10 Review and Preparation for Troubleshooting Complex Enterprise
Networks 485
Review of Key Maintenance and Troubleshooting Concepts and Tools 485
Applying Maintenance and Troubleshooting Concepts and Tools 488
Summary 491
Appendix A Answer to Review Questions 493
Index 501
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