Network Troubleshooting Tools

Author: Joseph D Sloan
Publisher: "O'Reilly Media, Inc."
ISBN: 0596551983
Release Date: 2001-08-09
Genre: Computers

Over the years, thousands of tools have been developed for debugging TCP/IP networks. They range from very specialized tools that do one particular task, to generalized suites that do just about everything except replace bad Ethernet cables. Even better, many of them are absolutely free. There's only one problem: who has time to track them all down, sort through them for the best ones for a particular purpose, or figure out how to use them?Network Troubleshooting Tools does the work for you--by describing the best of the freely available tools for debugging and troubleshooting. You can start with a lesser-known version of ping that diagnoses connectivity problems, or take on a much more comprehensive program like MRTG for graphing traffic through network interfaces. There's tkined for mapping and automatically monitoring networks, and Ethereal for capturing packets and debugging low-level problems.This book isn't just about the tools available for troubleshooting common network problems. It also outlines a systematic approach to network troubleshooting: how to document your network so you know how it behaves under normal conditions, and how to think about problems when they arise, so you can solve them more effectively.The topics covered in this book include: Understanding your network Connectivity testing Evaluating the path between two network nodes Tools for capturing packets Tools for network discovery and mapping Tools for working with SNMP Performance monitoring Testing application layer protocols Software sources If you're involved with network operations, this book will save you time, money, and needless experimentation.

Network Maintenance and Troubleshooting Guide

Author: Neal Allen
Publisher: Pearson Education
ISBN: 0321647629
Release Date: 2009-10-18
Genre: Computers

Network Maintenance and Troubleshooting Guide Field-Tested Solutions for Everyday Problems, Second Edition Neal Allen The 100% practical, real-world guide to anticipating, finding, and solving network problems—fast! Real-life networks don’t always behave “by the book.” Troubleshooting them requires practical intuition that normally comes only with experience. In this book, Fluke Networks’ Neal Allen brings together all that hard-won, hands-on insight: everything you need to discover what’s really happening in your network, so you can anticipate and fix problems before users even notice them. Writing for network technicians and administrators at all levels, Allen presents an approach to troubleshooting that has been proven in networks of all kinds, no matter how complex. He introduces indispensable triage and troubleshooting techniques for everything from copper and fiber cabling to IPv6, and presents unparalleled guidance on identifying and resolving problems at the MAC Layer. He illustrates his advice with diagrams, tables, and screen captures from Fluke Networks’ market-leading instruments. Throughout this book, Allen also offers practical summaries of each of today’s core networking technologies, making it an ideal complement to any network certification study guide. Coverage includes Using the OSI model to more efficiently troubleshoot networks layer by layer Copper and fiber-optic cabling: theory, operation, and troubleshooting Media Access Control (MAC) Layer: Ethernet theory and operation Identifying and resolving problems related to IPv4 and IPv6 protocols Preventing problems before they occur Discovering device behavior Troubleshooting switches Using a protocol analyzer more successfully Creating network documentation that helps you more efficiently prevent and resolve problems Road tested by thousands of Fluke Networks customers, this book’s first edition became the best-kept secret resource for sysadmins, netadmins, and support technicians fortunate enough to discover it. Now, Allen has thoroughly updated his classic for today’s networks. If you’re responsible for maintaining one of those networks, you’ll find this new Second Edition even more indispensable. Neal Allen is a senior staff engineer in the Fluke Networks’ Technical Assistance Center (TAC) focusing on escalated problems. He has been involved in designing, installing, and troubleshooting networks for nearly 20 years. Allen has served on Interop’s trade show Network Operations Center (NOC) team since 1993, troubleshooting show-floor problems at the Las Vegas and Atlanta Interop trade shows, and helped support and troubleshoot the network for the 1996 Atlanta Olympic Games. His responsibilities currently include product feature specification and beta testing, remote and onsite problem solving, and providing training and sales support worldwide. informit.com/aw Cover design by Louisa Adair Cover photography from Image Source / Getty Images

Troubleshooting Microsoft Technologies

Author: Chris Wolf
Publisher: Addison-Wesley Professional
ISBN: 0321133455
Release Date: 2003
Genre: Computers

A guide to troubleshooting Microsoft network technology covers such topics as troubleshooting tools, client-server issues, disk failures, Office XP applications, DNS, WINS, and routing and remote access.

CCNP Cisco Internetwork Troubleshooting Study Guide

Author: Arthur Pfund
Publisher: John Wiley & Sons
ISBN: 9780782150933
Release Date: 2006-02-20
Genre: Computers

Here's the book you need to prepare the latest Cisco Internetwork Troubleshooting Support (CIT) exam, 642-831. This Study Guide provides: In-depth coverage of key exam topics Practical information on troubleshooting and optimizing Cisco internetworks Hundreds of challenging review questions Leading-edge exam preparation software, including a test engine, sample simulation questions, and electronic flashcards Authoritative coverage of all exam objectives, including: Establishing an optimal system baseline Diagramming and documenting system topology and end system configuration Verifying connectivity at all layers Selecting an optimal troubleshooting approach Planning a network documentation system and baseline monitoring scheme Using Cisco IOS commands and applications to identify and isolate system problems Resolving sub-optimal system performance problems Restoring optimal baseline service Working with external providers and system users to resolve service provision problems Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

Troubleshooting and Maintaining Cisco IP Networks TSHOOT Foundation Learning Guide

Author: Amir Ranjbar
Publisher: Pearson Education
ISBN: 158714171X
Release Date: 2010-03-26
Genre: Computers

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.

Troubleshooting and Maintaining Cisco IP Networks TSHOOT

Author: Amir S. Ranjbar
Publisher: Pearson Education
ISBN: 9781587204555
Release Date: 2015
Genre: Computers

Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide is your Cisco authorized learning tool for CCNP TSHOOT 300-135 exam preparation. Part of the Cisco Press Foundation Learning Guide series, it teaches you how to maintain and monitor even the most complex enterprise networks. You'll compare and master today's leading approaches to troubleshooting, including an efficient structured process for maximizing network uptime in the context of your own organization's policies and procedures. Coverage includes gathering information, capturing traffic, using event notifications, working with maintenance and trouble-shooting tools, and more. Throughout, each chapter opens with a list of topics that clearly identify its focus. Each chapter ends with a summary of key concepts for quick study, as well as review questions to assess and reinforce your understanding. To deepen your hands-on expertise and strengthen your exam readiness, this guide also presents five full chapters of real-world troubleshooting case studies. This guide is ideal for all certification candidates who want to master all the topics covered on the TSHOOT 300-135 exam. --The official textbook for the Cisco Networking Academy CCNP TSHOOT 300-135 course --Thoroughly introduces proven troubleshooting principles and common troubleshooting approaches --Defines structured troubleshooting and reviews its subprocesses --Shows how to integrate troubleshooting into day-to-day network maintenance processes --Covers information gathering on Layer 2 switching and Layer 3 routing with IOS show and debug commands, ping, and telnet --Introduces specialized tools for capturing traffic, gathering information (SNMP and NetFlow), and receiving network event notifications (EEM) --Uses extensive troubleshooting examples and diagrams to support explanations and strengthen your understanding --Presents self-assessment review questions, chapter objectives, and summaries to facilitate effective studying

CompTIA Network Certification Study Guide Exam N10 004

Author: Robert Shimonski
Publisher: Syngress
ISBN: 1597494887
Release Date: 2009-08-06
Genre: Computers

CompTIA Network+ Certification Study Guide: Exam N10-004, Second Edition, offers a practical guide for those interested in pursuing CompTIA Network+ certification. It presents the fundamental terminology needed to perform duties as a network technician and to pass the CompTIA Network+ exam. The book begins with a brief history of the development of networks, including their origins and where they are heading. It describes network models such as centralized and decentralized, and distinguishes between a local area network (LAN) and a wide area network (WAN). The discussions include cable connections and termination for the Network+ exam; the meaning of convergence; and the most common network devices being used on small and large networks, including the Internet. The role of switches in improving network functionality and enhancing security is described. The book also contains chapters on wireless networking; Open Systems Interconnection (OSI) model; Transmission Control Protocol/Internet Protocol (TCP/IP); wide area network (WAN) technologies; network security; and network management and troubleshooting. New to this edition in accordance with the newly revised exam is an intensified focus on network security Two NEW practice exams to help eliminate test-day jitters Tiered chapter ending questions that allow for graduated learning Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mind Layout of the guide parallels the Network+ N10-004 objectives for ease of study

Windows Networking Tools

Author: Gilbert Held
Publisher: CRC Press
ISBN: 9781466511071
Release Date: 2016-04-19
Genre: Business & Economics

Windows Networking Tools: The Complete Guide to Management, Troubleshooting, and Security explains how to use built-in Windows networking tools and third-party networking products to diagnose network problems, address performance issues, and enhance the overall security of your system and network. It starts with a review of the major components of the TCP/IP protocol suite, as well as IP and MAC addressing, to provide a clear understanding of the various networking tools and how they are used in a LAN and a TCP/IP networking environment. Although the book focuses on built-in Windows networking tools, it also investigates a number of third-party products that can enhance the performance of your computer. It identifies tools to help you to understand the traffic flow and operational status of your network , illustrates the use of numerous tools, and shows you several methods to protect your computers from malicious software. It also examines one of the best programs for examining the flow of data on a network—Wireshark—and explains how to use this program to scan for open ports and discover vulnerability issues. In addition to helping you gain insight into existing problems, the text highlights built-in Windows networking tools that can help to determine if you can expect future bandwidth bottlenecks or other problems to occur under different growth scenarios. Placing the proven methods of an industry veteran at your fingertips, the book includes a chapter devoted to software programs that can enhance the security of your network. It explains how to negate the operation of unwanted advertisement trackers as well as how to minimize and alleviate the various types of hacking—from keyboard loggers to network viruses. In the event your computational device is lost or stolen a cryptographic program is described that results in data becoming meaningless to the person or persons attempting to read your stored information.

The Network Troubleshooting Handbook

Author: Ed Taylor
Publisher: Computing McGraw-Hill
ISBN: 0071342281
Release Date: 1999-01-01
Genre: Computers

"Network Troubleshooting and Repair" covers what commonly breaks in video, multimedia, and data networks and how to implement repairs.

CCNP 4

Author: Wayne Lewis (Ph.D.)
Publisher: Cisco Systems
ISBN: 1587131412
Release Date: 2004-09
Genre: Study Aids

The only Cisco authorized textbook for the CCNP 4 Network Troubleshooting course in the Networking Academy Portable desk reference that supports the online course Customized test engine and other components of the CD-ROM help students prepare for the CCNP Troubleshooting exam Written by the curriculum developers - information straight from the source This is the first edition of the Network Troubleshooting Companion Guide for students of the CCNP 4 Network Troubleshooting Cisco Networking Academy Program course. The book is specifically designed to supplement the CCNP 4 online course version 3.0 and to prepare readers for the updated CIT exam. This book provides a detailed analysis of network troubleshooting for LANs and WANs. Topics include documentation, baselining, troubleshooting tools, troubleshooting methodologies, and per-OSI-layer troubleshooting techniques.

Sniffer Pro Network Optimization Troubleshooting Handbook

Author: Syngress
Publisher: Elsevier
ISBN: 0080480985
Release Date: 2002-08-16
Genre: Computers

Sniffer Network Optimization and Troubleshooting Handbook introduces the reader to the vast functionality of the suite of Sniffer Solutions from Network Associates but ultimately focuses on the affordable and most widely used Sniffer Product - Sniffer Pro LAN Network Analyzer. This book begins with the basic features of Sniffer Pro LAN and then moves the reader through the impressive tips and tools available for gathering data, analyzing, troubleshooting, resolving and securing problems on their network. Sniffer from Network Associates is a suite of tools including Sniffer Portable Analysis Suite, Sniffer Distributed Analysis Suite, Sniffer Reporting, Sniffer Optical, and Sniffer Wireless. With a clear market leadership, Sniffer Solutions are employed in over 80% of the enterprise networks of the Fortune 100. Sniffer has also received wide industry acclaim from the experts and its everyday users. In 2000 Sniffer was named one of the 10 most computer products of the decade by Network Computing Magazine. It also received the "Editor's Choice" award from PC Magazine during the second quarter of 2001. Over 60,000 individuals have taken advantage of the educational services offered by Sniffer Technologies - aptly named Sniffer University. Coupled with the introduction of the Sniffer Certified Professional Program (SCPP) as a replacement for the popular CNX (Certified Network Expert) certification, an aptitude with Sniffer Solutions is a "must-have" for system administrators. Offers comprehensive coverage of Sniffer Pro LAN Supplemental study materials for the SCPP certification track. As of April 2001, the CNX certifications track became inactive. Current CNXs looking to update their certifications to the new SCPP track are going to need to bring themselves up to speed on the new offerings from the Sniffer family of products before desertification Up to the Minute Web-based Support. Once the reader understands the concepts of network hardware, configuration, and implementation, they can receive up-to-the minute links, white papers, and analysis for one year at [email protected]

Red Hat Enterprise Linux Troubleshooting Guide

Author: Benjamin Cane
Publisher: Packt Publishing Ltd
ISBN: 9781785287879
Release Date: 2015-10-19
Genre: Computers

Identify, capture and resolve common issues faced by Red Hat Enterprise Linux administrators using best practices and advanced troubleshooting techniques About This Book Develop a strong understanding of the base tools available within Red Hat Enterprise Linux (RHEL) and how to utilize these tools to troubleshoot and resolve real-world issues Gain hidden tips and techniques to help you quickly detect the reason for poor network/storage performance Troubleshoot your RHEL to isolate problems using this example-oriented guide full of real-world solutions Who This Book Is For If you have a basic knowledge of Linux from administration or consultant experience and wish to add to your Red Hat Enterprise Linux troubleshooting skills, then this book is ideal for you. The ability to navigate and use basic Linux commands is expected. What You Will Learn Identify issues that need rapid resolution against long term root cause analysis Discover commands for testing network connectivity such as telnet, netstat, ping, ip and curl Spot performance issues with commands such as top, ps, free, iostat, and vmstat Use tcpdump for traffic analysis Repair a degraded file system and rebuild a software raid Identify and troubleshoot hardware issues using dmesg Troubleshoot custom applications with strace and knowledge of Linux resource limitations In Detail Red Hat Enterprise Linux is an operating system that allows you to modernize your infrastructure, boost efficiency through virtualization, and finally prepare your data center for an open, hybrid cloud IT architecture. It provides the stability to take on today's challenges and the flexibility to adapt to tomorrow's demands. In this book, you begin with simple troubleshooting best practices and get an overview of the Linux commands used for troubleshooting. The book will cover the troubleshooting methods for web applications and services such as Apache and MySQL. Then, you will learn to identify system performance bottlenecks and troubleshoot network issues; all while learning about vital troubleshooting steps such as understanding the problem statement, establishing a hypothesis, and understanding trial, error, and documentation. Next, the book will show you how to capture and analyze network traffic, use advanced system troubleshooting tools such as strace, tcpdump & dmesg, and discover common issues with system defaults. Finally, the book will take you through a detailed root cause analysis of an unexpected reboot where you will learn to recover a downed system. Style and approach This is an easy-to-follow guide packed with examples of real-world core Linux concepts. All the topics are presented in detail while you're performing the actual troubleshooting steps.

The Real world Network Troubleshooting Manual

Author: Alan Sugano
Publisher: Charles River Media
ISBN: 1584503483
Release Date: 2004-09
Genre: Computers

Focuses on the methodology and process of network troubleshooting, starting with an overview of some readily available, basic troubleshooting tools, then covering more advanced problems, tool, and techniques, primarily for the Windows workstation and server environment. Original. (Intermediate)

CompTIA A Complete Study Guide

Author: Quentin Docter
Publisher: John Wiley & Sons
ISBN: 9781118421659
Release Date: 2012-09-17
Genre: Computers

CompTIA Authorized, fully updated Study Guide for the leading IT certification: CompTIA A+ CompTIA A+ is the de facto certification for IT technicians. Some vendors even require employees to achieve certification as part of their job training. This book prepares you for both required exams: 220-801 and 220-802. Totally updated to cover the 2012 exams, this popular prep guide covers all the exam objectives. Readers will also have access to additional study tools, including the Sybex Test Engine with bonus practice exams, electronic flashcards, and a glossary of important terms in searchable PDF form. Includes a coupon for 10% Off CompTIA Certification Exams A complete study guide to both exams required for CompTIA A+ certification, the standard certification for software and hardware vendors and major technology companies Covers personal computer components, laptops and portable devices, operating systems (including mobile), printers and scanners, networks, security, safety and environmental issues, communication, and professionalism Provides clear and concise information on crucial hardware and operating system maintenance and troubleshooting topics Offers practical examples, real-world insights, exam highlights, and end-of-chapter reviews CompTIA A+ Complete Study Guide prepares the diligent student to pass both parts of the A+ exam with confidence.