Internetworking Troubleshooting Handbook

Internetworking Troubleshooting Handbook

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An essential reference for solving difficult networking problems Learn from a general problem-solving model for troubleshooting internetworks Understand the difference between connectivity and performance problems Develop a strategy for isolating problem Investigate a variety of troubleshooting tools on the market and those currently in development Study dozens of problem scenarios for popular multiprotocol networks and internetworks Created in conjunction with Cisco Systems' Technical Assistance Center (TAC), Internetworking Troubleshooting Handbook, Second Edition helps you diagnose and resolve specific and potentially problematic issues common to every network type. The book contains sections devoted to problems common to a specific technology area and provides proven troubleshooting solutions that enable you to reduce downtime, improve network performance, and enhance network reliability, are demonstrated in this book. The sections are subdivided into symptoms, descriptions of environments, diagnosing and isolating problem causes, and problem-solution summaries, and include specific protocols including TCP/IP, IPX, IBM, AppleTalk, Transparent Bridging, DECnet, and ISO CLNS. Also included in this second edition is brand-new troubleshooting advice for CiscoWorks 2000, cable, DSL, WAN switching, and security.The second edition of the Internetworking Troubleshooting Handbook represents a collaborative effort by networking and documentation experts of the Cisco TAC team and other networking professionals. The TAC team, consisting of a group of network experts who provide round-the-clock technical suport to network professionals worldwide, has pooled their troubleshooting knowledge and expertise to update this edition with the most relevant, timely support solutions. In addition to its live support centers worldwide, the TAC team ensures the quality of customer service by maintaining the uptime that customers demand through the TAC Web site. Visit the TAC Web site at to experience the comprehensive support resources available 24 hours a more

Product details

  • Paperback | 1056 pages
  • 198.9 x 239.5 x 65.3mm | 2,040.35g
  • Pearson Education (US)
  • Cisco Press
  • Indianapolis, United States
  • English
  • 2nd edition
  • 1587050056
  • 9781587050053
  • 2,436,757

Table of contents

I. INTRODUCTION TO TROUBLESHOOTING. 1. Troubleshooting Overview. Symptoms, Problems, and Solutions. General Problem-Solving Model.2. Troubleshooting Tools. Using Router Diagnostic Commands. Using Cisco Network Management Tools. Third-Party Troubleshooting Tools.II. HARDWARE, BOOTING, AND MEDIA PROBLEMS. 3. Troubleshooting Hardware and Booting Problems. Booting the Router. Troubleshooting Hardware. Troubleshooting Booting Problems. Catalyst 6000 Series Startup. Cisco 2600 TFTP Download and Startup. Cisco 3600 Startup. Cisco Catalyst 4000 Startup.4. Troubleshooting Ethernet. Ethernet and IEEE 802.3. Troubleshooting Ethernet.5. Troubleshooting Fiber Distributed Data Interface. FDDI Technology Basics. Troubleshooting FDDI.6. Troubleshooting Token Ring. Token Ring/IEEE 802.5 Comparison. Token Passing. Physical Connections. The Priority System. Fault Management Mechanisms. Frame Formats. Tokens. Data/Command Frames. Troubleshooting Token Ring. Media Problems: Token Ring. show interfaces tokenring.III. TROUBLESHOOTING DESKTOP AND ENTERPRISE ROUTING PROTOCOLS. 7. Troubleshooting TCP/IP. TCP/IP Introduction. Tools for Troubleshooting IP Problems. General IP Troubleshooting Suggestions. Troubleshooting Local Connectivity Problems. Troubleshooting Physical Connectivity Problems. Troubleshooting IP Connectivity and Routing Problems. Troubleshooting Domain Name Server Problems. Before Calling Cisco Systems' Technical Assistance Center. For More Information.8. Troubleshooting Novell IPX. Novell Technology Basics. Media Access. The Network Layer. The Transport Layer. Upper-Layer Protocols. Troubleshooting Novell IPX.9. Troubleshooting AppleTalk. AppleTalk Technology Basics. The Network Layer. The Transport Layer. Upper-Layer Protocols. Troubleshooting AppleTalk.10. Troubleshooting IBM. DLSw. SDLC. SRB. Troubleshooting IBM.11. Troubleshooting DECnet. Digital Network Architecture. The Network Layer. The Transport Layer. Upper-Layer Protocols. Troubleshooting DECnet.12. Troubleshooting ISO CLNS. ISO CLNS Technology Basics. Troubleshooting ISO CLNS. Chapter 13 Troubleshooting Banyan VINES. VINES Technology Basics. VINES Media Access. The Network Layer. The Transport Layer. Troubleshooting Banyan VINES.14. Troubleshooting XNS. The Network Layer. The Transport Layer. Upper-Layer Protocols. Troubleshooting XNS. IV. TROUBLESHOOTING SERIAL LINES AND WAN CONNECTIONS. 15. Troubleshooting Serial Lines. Troubleshooting Using the show interfaces serial Command. Using the show controllers Command. Using debug Commands. Using Extended ping Tests. Troubleshooting Clocking Problems. Adjusting Buffers. Special Serial Line Tests. Detailed Information on the show interfaces serial Command. Troubleshooting T1 Problems. Troubleshooting E1 Problems.16. Troubleshooting Dialup Connections. Modem Operations. Using Rotary Groups. Problems with Particular DS0s. ISDN Operations. ISDN Components. Dial-on-Demand Routing: Dialer Interface Operations. PPP Operations. Before Calling Cisco Systems's TAC Team.17. Troubleshooting ISDN Connections. Troubleshooting Incoming Calls. Troubleshooting Outbound Calls. Troubleshooting PPP. Before Calling Cisco Systems' TAC Team.18. Troubleshooting Frame Relay Connections. Frame Relay Technology Basics. Troubleshooting Frame Relay.Troubleshooting X.25 Connections. X.25 Technology Basics. X.25 Frame Format. Troubleshooting X.25.V. TROUBLESHOOTING BRIDGING AND SWITCHING ENVIRONMENTS. 20. Troubleshooting Transparent Bridging Environments. Transparent Bridging Technology Basics. Troubleshooting Transparent Bridging. Transparent Bridging: Unstable Spanning Tree. Before Calling Cisco Systems' TAC Team.21. Troubleshooting ATM LAN Emulation networks. Troubleshooting a LAN Emulation Network. Before Calling Cisco Systems' TAC Team. Additional Sources of Information.22. Troubleshooting ATM PVCs in a WAN Environment. Understanding the Segmentation and Reassembly for AAL5 Frames. Understanding the Basics of Traffic Shaping and Policing. Understanding Variable Bit Rate Nonreal Time (VBR-NRT). Creating a Mapping Between a Destination Address and PVC. Troubleshooting Connectivity Issues. Troubleshooting PVC Total Connectivity Failure. Important Commands. Before Calling Cisco Systems TAC Team.23. Troubleshooting LAN Switching Environments. LAN Switching Introduction. General Switch Troubleshooting Suggestions. Troubleshooting Port Connectivity Problems. Troubleshooting Ethernet 10/100-Mb Half-/Full-Duplex Autonegotiation. Example of Configuring and Troubleshooting Ethernet 10/100-Mb Autonegotiation. ISL Trunking on Catalyst 5000 and 6000 Family Switches. Configuring EtherChannel Switch-to-Switch Connections on Catalyst 4000/5000/6000 Switches. Using PortFast and Other Commands to Fix End-Station Startup Connectivity Problems. Configuring and Troubleshooting IP Multilayer Switching. Troubleshooting Spanning-Tree Protocol and Related Design Considerations. Additional Sources.VI. TROUBLESHOOTING OTHER INTERNETWORK PROBLEMS. 24. Toubleshooting CiscoWorks 2000. Troubleshooting Information for CiscoWorks 2000 Installation and Setup. Methods for Evaluating and Troubleshooting RME Problems. Information for Troubleshooting CWSI (CiscoWorks for Switched Internetworking) Campus. Troubleshooting Information for Applications Included in CWSI Campus. Before Calling Cisco Systems' TAC Team. Additional Sources.25. Troubleshooting Security Implementations. Troubleshooting CiscoSecure Scanner. Before Calling Cisco Systems' TAC Team. Troubleshooting CiscoSecure Intrusion Detection System (NetRanger). Before Calling Cisco Systems' TAC Team. Troubleshooting PIX Firewall. PIX Maintenance.VII. APPENDIXES. Appendix A. Creating Core Dumps. Basic Setup. Advanced Setup. Testing the Core Dump Setup.Appendix B. Memory Maps. Troubleshooting Crashes. Memory Maps. Appendix C Technical Support Information. Gathering Information About Your Internetwork. more

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