Network Troubleshooting in 24 Hours

The quick, easy way to learn how to quickly troubleshoot the most common types of problems on small to medium-sized networks.

List of contents

Introduction.
I. BASIC NETWORKING CONCEPTS.
Hour 1. Understanding Networking: The Telephone Analogy.

Network Interface Cards. Routers and Switches. Protocols. Frames, Packets, and Packet Switching. Name Resolution, or What's in a Name? Directory Services. Summary. Q&A. Workshop.
Hour 2. The OSI Model of Networking: Understanding the Old School.

Layer Definitions. Using the “Important Parts”. Summary. Q&A. Workshop.
II. BLACK BOX TROUBLESHOOTING.
Hour 3. Documentation: Your Essential Discovery Tool.

Navigating a Bad Network Neighborhood. Documentation Dividends. Summary. Q&A. Workshop.
Hour 4. The Delta Method: Identifying Network Change.

The Fat Finger Factor. Vendors and Change. The Risk/Benefit Ratio. Summary. Q&A. Workshop.
Hour 5. The Napoleon Method: Divide and Conquer.

Problem Localization. The Network Is Down! The Numbers Game: Binary Search. Summary. Q&A. Workshop.
Hour 6. The Sesame Street Method: Using What Works.

Servers, Routers, and Switches. User Objects. Summary. Q&A. Workshop.
Hour 7. The SOAP Method: Structured Analysis.

Doctor Network. Just the Facts. SOAP in the Real World. Summary. Q&A. Workshop.
Hour 8. The Simple Simon Method: Consultations and Support.

Tech Support Databases. Web Search Strategies: Finding the Needle in the Haystack. Pay to Play. Being Taken Seriously. Summary. Q&A. Workshop.
III. THE CARE AND FEEDING OF NETWORK EQUIPMENT.
Hour 9. Overcoming Hardware Phobia.

Typical Workstation Troubleshooting. Plug and Pray. The Cable Is the Network. Out of Gas on the Information Superhighway. Summary. Q&A. Workshop.
Hour 10. Ethernet and Switching.

Ethernet Evolution. Shared Ethernet Characteristics. Wiring. Ethernet Frames. Switching. Summary. Q&A. Workshop.
Hour 11. Wireless Networking.

Access Points. Premature Blamestorming. Summary. Q&A. Workshop.
Hour 12. Windows Networking Basics.

File and Print Foundations. Name Resolution and Server Location. File and Print Services and Authentication. Tools: Command and Conquer. Windows Throughput, Resources, and Rescue. Summary. Q&A. Workshop.
Hour 13. UNIX and Linux Troubleshooting.

UNIX Functionality Overview. Daemons, at Your Service. Common Services and the Daemons That Love Them. Error Checking. Ports, Sockets, and Netstat, Oh My. The Name Game: Name Service Problems. Physical and Network Driver Problems. Process Tracing. Summary. Q&A. Workshop.
Hour 14. NDS and NetWare Troubleshooting.

Networking with NDS. The NetWare OS. Summary. Q&A. Workshop.
Hour 15. Home and Office Routers.

Routers Versus Switches. Router Types. Router Theory. Configuration Methods. Summary. Q&A. Workshop.
Hour 16. Firewall and Proxy Server Basics.

Top-Secret Definitions. TCP Versus UDP. Packet-Filtering Routers. Proxy Servers. DNS and Firewalls. Summary. Q&A. Workshop.
IV. IN THE TRENCHES.
Hour 17. Where Do You Start?

Reaction Traction: Getting a Handle on a Problem. Diving into Details. Problem Determination Using TCP/IP. Summary. Q&A. Workshop.
Hour 18. Managing Change: Establishing Consistency and Standards.

Manual Standardization. Power Tool Time. Summary. Q&A. Workshop.
Hour 19. Internet and Intranet Troubleshooting: TCP/IP at Work.

Typical TCP/IP Troubleshooting. Troubleshooting Out on the Internet. Summary. Q&A. Workshop.
Hour 20. In-depth Application Troubleshooting.

File and Print Services. The File and Print Blues. I Can't Print! That Problematic File Pile. Application Celebration. Summary. Q&A. Workshop.
Hour 21. Protocol Analyzers.

What the Heck Is a Protocol Analyzer? Packet Analyzers. Net Therapy 101: Techniques for Using Your Analyzer. Appropriate Analysis: Some Analyzer Scenarios. Packet Analyzer Limitations and Solutions. Summary. Q&A. Workshop.
Hour 22. Network Troubleshooters Just Wanna Have Fun.

Finding Your Firewall. Troubleshooting Port Access Using Proxies and Port Forwarding. NAT Problems. Some NAT Solutions. Summary. Q&A. Workshop.
Hour 23. Network Management Tools.

Monitoring. SNMP. Taking a Poll. Baseliners. Measuring Actual Data ates. Summary. Q&A. Workshop.
Hour 24. Reverse Engineering, Discovery Tools, and Other Black Magic.

Cable Tracing. Network Infrastructure Discovery. Application Discovery. Summary. Q&A. Workshop.
Index.

About the author

Jonathan Feldman is a hands-on network troubleshooting professional who is also a columnist and contributing editor for Network Computing magazine. He is the author of Network+ Exam Guide, and a contributor to Maximum Security, Third Edition. A multi-disciplinary troubleshooting expert, Jonathan has given networking workshops throughout the United States, at venues such as PC Expo/TECHXNY and Certification Expo. Network tools that he's developed have been used by large organizations including American Express, the State of Virginia, the State of Montana, Novell, and NASA.
He currently lives and works in Savannah, Georgia as Chatham County's chief technical manager. In his copious spare time, he enjoys running, cooking, and playing the guitar, but not all at the same time. He can be reached at [e-mail].

Summary

The quick, easy way to learn how to quickly troubleshoot the most common types of problems on small to medium-sized networks.

Product details

• Authors: Johathan Feldman, Jonathan Feldman
• Publisher: Sams
• Languages: English
• Product format: Paperback / Softback
• Released: 01.01.2002
• EAN: 9780672323737
• ISBN: 978-0-672-32373-7
• No. of pages: 528
• Dimensions: 231 mm x 187 mm x 25 mm
• Weight: 858 g
• Illustrations: w. figs.
• Series: Sams Teach Yourself...; Sams; Sams Teach Yourself...in 24 Ho; Sams; Sams Teach Yourself
• Subject: Natural sciences, medicine, IT, technology > IT, data processing