|
|
|
Copyright
|
|
|
|
The CIT Cram Sheet
|
|
|
|
|
CATALYST TROUBLESHOOTING
|
|
|
|
|
TOP-DOWN/BOTTOM-UP TROUBLESHOOTING
|
|
|
|
|
TCP/IP TROUBLESHOOTING COMMANDS
|
|
|
|
|
TROUBLESHOOTING TOOLS
|
|
|
|
|
ROUTER TROUBLESHOOTING COMMANDS
|
|
|
|
|
TROUBLESHOOTING COMMANDS FOR THE LOWER LAYERS
|
|
|
|
|
CISCO CONNECTION ONLINE
|
|
|
|
|
PPP/CHAP TROUBLESHOOTING
|
|
|
|
|
FRAME RELAY TROUBLESHOOTING COMMANDS
|
|
|
|
|
SERIAL INTERFACE TROUBLESHOOTING
|
|
|
|
|
TROUBLESHOOTING ROUTING PROTOCOLS
|
|
|
|
A Note from Series Editor Ed Tittel
|
|
|
|
About the Author
|
|
|
|
|
About the Technical Editors
|
|
|
|
Acknowledgments
|
|
|
|
|
We Want to Hear from You!
|
|
|
|
Introduction
|
|
|
|
|
Taking a Certification Exam
|
|
|
|
|
Tracking CCNP Status
|
|
|
|
|
How to Prepare for an Exam
|
|
|
|
|
About This Book
|
|
|
|
Self-Assessment
|
|
|
|
|
A CCNP in the Real World
|
|
|
|
|
The Ideal CCNP Candidate
|
|
|
|
|
Put Yourself to the Test
|
|
|
|
|
Testing Your Exam-Readiness
|
|
|
|
|
Assessing Your Readiness for the CCNP Support Exam
|
|
|
|
Chapter 1. Overview of Cisco Certification
|
|
|
|
|
The Exam Situation
|
|
|
|
|
Exam Layout and Design
|
|
|
|
|
Exam-Taking Techniques
|
|
|
|
|
Question-Handling Strategies
|
|
|
|
|
Mastering the Inner Game
|
|
|
|
|
Additional Resources
|
|
|
|
Chapter 2. Networking Principles
|
|
|
|
|
Network Models
|
|
|
|
|
OSI Reference Model
|
|
|
|
|
Internetwork Troubleshooting Model
|
|
|
|
|
Cisco Three-Layer Hierarchical Model
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 3. LAN Technologies
|
|
|
|
|
LAN Topology Types
|
|
|
|
|
Ethernet
|
|
|
|
|
ATM (Asynchronous Transfer Mode)
|
|
|
|
|
Token Ring
|
|
|
|
|
Wireless
|
|
|
|
|
Segmentation
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 4. Troubleshooting TCP/IP
|
|
|
|
|
TCP/IP Overview
|
|
|
|
|
IP Addressing and Subnetting
|
|
|
|
|
Subnetting Class C Network Addresses
|
|
|
|
|
Configuring IP Addresses on Interfaces
|
|
|
|
|
DNS (Domain
Name
System)
|
|
|
|
|
Internet Control Message Protocol (ICMP)
|
|
|
|
|
The Default Route
|
|
|
|
|
Show Commands for Troubleshooting TCP/IP
|
|
|
|
|
IP
debug
Commands
|
|
|
|
|
Configuring DHCP and the IP Helper Command
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 5. Windows Troubleshooting
|
|
|
|
|
ipconfig
Commmand
|
|
|
|
|
winipcfg
Command
|
|
|
|
|
ping
Command
|
|
|
|
|
The
tracert
Command
|
|
|
|
|
The
nslookup
Command
|
|
|
|
|
The
nbtstat
Command
|
|
|
|
|
The
arp
Command
|
|
|
|
|
The
ftp
Command
|
|
|
|
|
The
telnet
Command
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 6. IPX/SPX
|
|
|
|
|
Protocol Overview
|
|
|
|
|
SAP and GNS
|
|
|
|
|
IPX EIGRP
|
|
|
|
|
NLSP
|
|
|
|
|
IPX Access Lists
|
|
|
|
|
Controlling SAP Advertisements with Access Lists
|
|
|
|
|
IPX General Troubleshooting Commands
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 7. Troubleshooting the Physical Layer
|
|
|
|
|
Equipment Used to Troubleshoot the Physical Layer
|
|
|
|
|
Troubleshooting with the
show
Commands
|
|
|
|
|
Cisco Discovery Protocol (CDP)
|
|
|
|
|
Configuration and Fault Management
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 8. Troubleshooting the Data Link Layer
|
|
|
|
|
Hardware Troubleshooting
|
|
|
|
|
Layer 2 Switching Troubleshooting Basics
|
|
|
|
|
Catalyst Switch Troubleshooting Software
|
|
|
|
|
RMON (Remote Monitoring)
|
|
|
|
|
Lost Password
|
|
|
|
|
Switch Troubleshooting Commands
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 9. Troubleshooting Virtual LAN
|
|
|
|
|
VLAN Trunks
|
|
|
|
|
The VLAN Trunk Protocol (VTP)
|
|
|
|
|
Inter-Switch Link (ISL)
|
|
|
|
|
IEEE 802.1Q Standard
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Review Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 10. Troubleshooting Serial Links
|
|
|
|
|
Diagnosing Serial Link Symptoms with the
show interface
Command
|
|
|
|
|
Troubleshooting Techniques for Serial Link Problems
|
|
|
|
|
CSU/DSU Loopback Testing
|
|
|
|
|
Serial Link Troubleshooting Commands
|
|
|
|
|
Troubleshooting Frame Relay
|
|
|
|
|
Troubleshooting X.25
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 11. Troubleshooting Routing Protocols
|
|
|
|
|
Routing Protocols
|
|
|
|
|
Routing Information Protocol (RIP)
|
|
|
|
|
Internet Gateway Routing Protocol (IGRP)
|
|
|
|
|
Open Shortest Path First (OSPF)
|
|
|
|
|
IGRP Versus EIGRP
|
|
|
|
|
Border Gateway Protocol (BGP)
|
|
|
|
|
Intermediate System-to-Intermediate System (IS-IS)
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 12. Troubleshooting ISDN
|
|
|
|
|
ISDN Overview
|
|
|
|
|
Troubleshooting ISDN Misconfigurations
|
|
|
|
|
Troubleshooting Connections at the Physical Layer
|
|
|
|
|
Terminology for Troubleshooting After the Physical Layer
|
|
|
|
|
Troubleshooting Misconfigured Provider Switches
|
|
|
|
|
Troubleshooting the Data Link Layer: q.921 and PPP
|
|
|
|
|
Troubleshooting the Network Layer
|
|
|
|
|
ISDN Troubleshooting Commands to Know
|
|
|
|
|
Chapter Summary
|
|
|
|
|
Exam Prep Practice Questions
|
|
|
|
|
Need to Know More?
|
|
|
|
Chapter 13. Practice Exam 1
|
|
|
|
|
Questions, Questions, Questions
|
|
|
|
|
Choosing the Correct Answers
|
|
|
|
Chapter 14. Answer Key 1
|
|
|
|
Chapter 15. Practice Exam 2
|
|
|
|
Chapter 16. Answer Key 2
|
|
|
|
Appendix A. Top-Down and Bottom-Up Troubleshooting
|
|
|
|
|
The Cisco Campus Model
|
|
|
|
Appendix B. Contacting Cisco for Support
|
|
|
|
|
Contacting the TAC
|
|
|
|
|
Utilizing the Cisco CCO Site
|
|
|
|
|
Core Dumps
|
|
|
|
Appendix C. Scenario Questions
|
|
|
|
|
Scenario 1Bad Subnetting
|
|
|
|
|
Scenario 2Utilizations
|
|
|
|
|
Scenario 3Determining the Probable Source
|
|
|
|
|
Scenario 4Determining the Probable Source II
|
|
|
|
|
Conclusion
|
|
|
|
Appendix D. What's on the CD-ROM
|
|
|
|
|
PrepLogic Practice Tests, Preview Edition
|
|
|
|
|
An Exclusive Electronic Version of the Text
|
|
|
|
Appendix E. Using PrepLogic Practice Exams, Preview Edition Software
|
|
|
|
|
Exam Simulation
|
|
|
|
|
Question Quality
|
|
|
|
|
Interface Design
|
|
|
|
|
Effective Learning Environment
|
|
|
|
|
Software Requirements
|
|
|
|
|
Installing PrepLogic Practice Exams, Preview Edition
|
|
|
|
|
Using PrepLogic Practice Exams, Preview Edition
|
|
|
|
|
Get More Exams
|
|
|
|
|
Customer Service
|
|
|
|
Glossary
|
|
|
|
Index
|
