PART 1 INTRODUCTION TO TROUBLESHOOTING
Chapter 1 Troubleshooting Overview
Chapter 2 Troubleshooting Tools
PART 2 HARDWARE, BOOTING, AND MEDIA
PROBLEMS
Chapter 3 Troubleshooting Hardware and Booting
Problems
Chapter 4 Troubleshooting Ethernet
Chapter 5 Troubleshooting Fiber Distributed Data
Interface
Chapter 6 Troubleshooting Token Ring
PART 3 TROUBLESHOOTING DESKTOP AND
ENTERPRISE ROUTING PROTOCOLS
Chapter 7 Troubleshooting TCP/IP
Chapter 8 Troubleshooting Novell IPX
Chapter 9 Troubleshooting AppleTalk
Chapter 10 Troubleshooting IBM
Chapter 11 Troubleshooting DECnet
Chapter 12 Troubleshooting ISO CLNS
Chapter 13 Troubleshooting Banyan VINES
Chapter 14 Troubleshooting XNS 395
PART 4 TROUBLESHOOTING SERIAL LlNES AND
WAN CONNECTIONS
Chapter 15 Troubleshooting Serial Line Problems
Chapter 16 Troubleshooting Dialin Connections
Chapter 17 Troubleshooting ISDN Connections
Chapter 18 Troubleshooting Frame Relay Connections
Chapter 19 Troubleshooting X.25 Connections
PART 5 TROUBLESHOOTING BRIDGING AND
SWITCHING ENVIRONMENTS
Chapter 20 Troubleshooting Transparent Bridging
Environments
Chapter 21 Troubleshooting ATM Switching
Environments
Chapter 22 Troubleshooting LAN Switching
Environments
PART 6 TROUBLESHOOTIIMG OTHER INTERNETWORK
PROBLEMS
Chapter 23 Troubleshooting CiscoWorks Problems 599
Chapter 24 Troubleshooting Security Implementations
PART 7 APPENDIXES
Appendix A Creating Core Dumps
Appendix B Memory Maps
Appendix C Technical Support Information
Appendix D References and Recommended Reading
Appendix E Troubleshooting Worksheets
Index
PART 1 INTRODUCTION TO TROUBLESHOOTIIMG
Chapter 1 Troubleshooting Overview
Symptoms, Problems, and Solutions
General Problem-Solving Model
Preparing for Network Failure
Chapter 2 Troubleshooting Tools
Using Router Diagnostic Commands
Using Cisco Network Management Tools
Third-Party Troubleshooting Tools
PART 2 HARDWARE, BOOTING, AND MEDIA
PROBLEMS
Chapter 3 Troubleshooting Hardware and Booting
Problems
Booting the Router
Troubleshooting Hardware
Troubleshooting Booting Problems
Chapter 4 Troubleshooting Ethernet
Ethernet and IEEE 802.3
Chapter 5 Troubleshooting Ethernet
Troubleshooting Fiber Distributed Data
Interface
FDDI Technology Basics
Troubleshooting FDDI
Chapter 6 Troubleshooting Token Ring
Token Ring/IEEE 802.5 Comparison
Token Passing
Physical Connections
The Priority System
Fault Management Mechanisms
Frame Formats
Troubleshooting Token Ring
PART 3 TROUBLESHOOTING DESKTOP AND
ENTERPRISE ROUTING PROTOCOLS
Chapter 7 Troubleshooting TCP/IP
Internet Protocols
The Network Layer
The Transport Layer
Upper-Layer Protocols
IP Multicast
Troubleshooting TCP/IP
Chapter 8 Troubleshooting Noveli IPX
Novell Technology Basics
Media Access
The Network Layer
The Transport Layer
Upper-Layer Protocols
Troubleshooting Novell IPX
Novell SAPs
Chapter 9 Troubleshooting AppleTalk
AppleTalk Technology Basics
The Network Layer
The Transport Layer
Upper-Layer Protocols
Troubleshooting AppleTalk
Chapter 10 Troubleshooting IBM
SDLC
SRB
Troubleshooting IBM
Chapter 11 Troubleshooting DECnet
Digital Network Architecture
The Network Layer
The Transport Layer
Upper-Layer Protocols
Troubleshooting DECnet
Chapter 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
Chapter 14 Troubleshooting XNS
The Network Layer
The Transport Layer
Upper-Layer Protocols
Troubleshooting XNS
PART 4 TROUBLESHOOTING SERIAL LlNES AND
WAN CONNECTIONS
Chapter 15 Troubleshooting Serial Line Problems
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
Chapter 16 Troubleshooting Dialin Connections
Using the modem autoconfigure Command
Establishing a Reverse Telnet Session to a Modem
Interpreting show line Output
Troubleshooting Dialin Connections
Chapter 17 Troubleshooting ISDN Connections
ISDN Components
ISDN Services
Layer 1
Layer 2
Layer 3
Troubleshooting ISDN
Chapter 18 Troubleshooting Frame Relay Connections
Frame Relay Technology Basics
Troubleshooting Frame Relay
Chapter 19 Troubleshooting X.25 Connections 539
X.25 Technology Basics
X.25 Frame Format
Troubleshooting X.25
PART 5 TROUBLESHOOTING BRIDGING AND
SWITCHING ENVIRONMENTS
Chapter 20 Troubleshooting Transparent Bridging
Environments
Transparent Bridging Technology Basics
Troubleshooting Transparent Bridging
Chapter 21 Troubleshooting ATM Switching
Environments
Cell Relay Packet Handling
Technologies Compared
ATM Label Switching
The ATM Cell
The ATM Adaptation Layer
The ATM Layer
Placing Cells on a Physical Transport Medium
Troubleshooting ATM Switching
Environments
Chapter 22 Troubleshooting LAN Switching
Environments
Troubleshooting LAN Switching Environments
PART 6 TROUBLESHOOTING OTHER INTERNETWORK
PROBLEMS
Chapter 23 Troubleshooting CiscoWorks Problems 599
Testing Basic Cbnnectivity and Setup
CiscoWorks Environment Variables
Troubleshooting CiscoWorks
Chapter 24 Troubleshooting Security
Implementations
Troubleshooting TACACS+ and XTACACS
Recovering a Lost Password
PART 7 APPENDIXES
Appendix A Creating Core Dumps
exception Commands
The write core Command
show Commands
Appendix B Memory Maps
Memory Maps and Troubleshooting
Memory Maps
Appendix C Technical Support Information
Gathering Information About Your Internetwork
Providing Data to Your Technical Support
Representative
CCO
Appendix D References and Recommended Reading
Cisco Press References and Recommended Reading
Other References and Recommended Reading
Appendix E Troubleshooting Worksheets
Index
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