Joseph D. Sloan has been working with computers since the mid-1970s. He began using Unix as a graduate student in 1981, first as an applications programmer and later as a system programmer and system administrator. Since 1988 he has taught mathematics and computer science at Lander University. He also manages the networking computer laboratory at Lander, where he can usually be found testing and using the software tools described in this book.

• Preface. 1. Network Management and Troubleshooting General Approaches to Troubleshooting Need for Troubleshooting Tools Troubleshooting and Management. 2. Host Configurations Utilities System Configuration Files Microsoft Windows. 3. Connectivity Testing Cabling Testing Adapters Software Testing with ping Microsoft Windows. 4. Path Characteristics Path Discovery with traceroute Path Performance Microsoft Windows. 5. Packet Capture Traffic Capture Tools Access to Traffic Capturing Data tcpdump Analysis Tools Packet Analyzers Dark Side of Packet Capture Microsoft Windows. 6. Device Discovery and Mapping Troubleshooting Versus Management Device Discovery Device Identification Scripts Mapping or Diagramming Politics and Security Microsoft Windows. 7. Device Monitoring with SNMP Overview of SNMP SNMP-Based Management Tools Non-SNMP Approaches Microsoft Windows. 8. Performance Measurement Tools What, When, and Where Host-Monitoring Tools Point-Monitoring Tools Network-Monitoring Tools RMON Microsoft Windows. 9. Testing Connectivity Protocols Packet Injection Tools Network Emulators and Simulators Microsoft Windows. 10. Application-Level Tools Application-Protocols Tools Microsoft Windows. 11. Miscellaneous Tools Communications Tools Log Files and Auditing NTP Security Tools Microsoft Windows. 12. Troubleshooting Strategies Generic Troubleshooting Task-Specific Troubleshooting. A. Software Sources. B. Resources and References. Index

Joseph D. Sloan has been working with computers since the mid-1970s. He began using Unix as a graduate student in 1981, first as an applications programmer and later as a system programmer and system administrator. Since 1988 he has taught mathematics and computer science at Lander University. He also manages the networking computer laboratory at Lander, where he can usually be found testing and using the software tools described in this book.

• Preface. 1. Network Management and Troubleshooting General Approaches to Troubleshooting Need for Troubleshooting Tools Troubleshooting and Management. 2. Host Configurations Utilities System Configuration Files Microsoft Windows. 3. Connectivity Testing Cabling Testing Adapters Software Testing with ping Microsoft Windows. 4. Path Characteristics Path Discovery with traceroute Path Performance Microsoft Windows. 5. Packet Capture Traffic Capture Tools Access to Traffic Capturing Data tcpdump Analysis Tools Packet Analyzers Dark Side of Packet Capture Microsoft Windows. 6. Device Discovery and Mapping Troubleshooting Versus Management Device Discovery Device Identification Scripts Mapping or Diagramming Politics and Security Microsoft Windows. 7. Device Monitoring with SNMP Overview of SNMP SNMP-Based Management Tools Non-SNMP Approaches Microsoft Windows. 8. Performance Measurement Tools What, When, and Where Host-Monitoring Tools Point-Monitoring Tools Network-Monitoring Tools RMON Microsoft Windows. 9. Testing Connectivity Protocols Packet Injection Tools Network Emulators and Simulators Microsoft Windows. 10. Application-Level Tools Application-Protocols Tools Microsoft Windows. 11. Miscellaneous Tools Communications Tools Log Files and Auditing NTP Security Tools Microsoft Windows. 12. Troubleshooting Strategies Generic Troubleshooting Task-Specific Troubleshooting. A. Software Sources. B. Resources and References. Index