CCNP學(xué)習(xí)指南

書籍目錄

CONTENTS
Foreword
About the Contributors
Acknowledgments
Preface
Introduction
1 Troubleshooting Methodology
Symptoms, Causes, and Actions
Slow Response Time
Performance Alerts and Notifications
Generic Problem-Solving Model
Steps to Solving a Problem
Pointers for Problem Solving
Recommended Troubleshooting Procedures
Documentation Methods
Protocol Charactenstics Review
Connection-Oriented vs. Connectionless
Certification Summary
Two-Minute Drill
SelfTest
2 LAN Troubleshooting Problem Areas
Physical Layer Responsibilities
Data Link Layer Responsibilities
MAC Layer
Logical Link Layer
Ethernet / IEEE 802.3
CSMA/CD Protocol
Ethernet Statistics for Troubleshooring
Token Ring / IEEE 802.5
Understanding MAC Communications
Troubleshooting Token Ring Necworks
FDDl
ATM LAN Emulation (LANE)
Encapsulation Methods
Certification Summary
Two-Minute Drill
SelfTest
3 WAN Troubleshooting Problem Areas
Point-to-Point Protocols
PPP Frame
LCP/NCP
Encapsulation
Authentication
Link States
SHOW INTERFACE and DEBUG Commands
HDLC
SDLC
PPP'
Switched Protocols
Frame Relay
X.25
SMDS
ATM
ISDN
Layer2ofISDN
Layer 3of lSDN
Certification Summary
Two-Minure Drill
SelfTest
4 The Internet Protocol (IP)
Technology Features Recap
A Note About Terminology
IP, UDP, TCP, lCMP, and Common Pons
A Closer Look at TCP
UDP
IP Broadcast and Mulricast
ICMP
ICMP Redirects
ARP Caching
DNS and DNS Caching
Default Gareway
IPHelperAddresses
Common User Tasks
Obtaining an Address via DHCP
Web Page Download
FTP Transfer
Common Problems and Fixes
Splitting the Problem in Half
Ping Test
Packet-Level Debugging
Troubleshooting Lower Layers
Transport and Above
Certification Summary
Two-Minute Drill
SelfTest
5 Novell's Intemetwork Packet Exchange (IPX)
Protocol
IPX Protocol Suite
IPX
SPX
NCP
LIP
Packet Burst
IPXNetBIOS
RIP
SAP
NLSP
Common Packet Types and Port Numbers
Common User Tasks
Workstation Bootup (Bindery Mode)
Workstation Bootup (NDS Mode)
How SLIST Really Works
How Printing Really Works
Router Proxy GNS by Default
Common Problems and Fixes
Local Connectivity Problems
Connectivity Problems Through a Cisco Router
Intermittent Connectivity Problems
IPX NetBlOS Problems
Certification Summary
Two-Minute Drill
SelfTest
6 Apple's AppleTalk Protocol
The Evolution ofAppleTalk
LocalTalk
Common Mac User Tasks
Bootup and Address Assignment
Zone Lists
Chooser Lists
Common AppleTalk Problems and Fixes
Routing Problems
Something Missing on the Network
AppleTalk Interface Goes Down
Certification Summary
Two-Minute Drill
SelfTest
7 Common Routing Protocols
Periodic Broadcast-Based Protocols
Routing Information Protocol (RlP)
Troubleshooting RlP
Cisco's Interior Gateway Routing Protocol (IGRP)
Troubleshooting IGRP
IPX RlP and Service Advertising Protocol (SAP)
Troubleshooring IPX RlP
AppleTalk Routing Table Maintenance
Protocol (RTMP)
Troubleshooring AppleTalk Nerworks
Event-Driven Protocols
Open Shortest Path First (OSPF)
Troubleshooting OSPF
Cisco's Enhanced IGRP (ElGRP)
Troubleshooring ElGRP
Border Gateway Protocol (BGP)
Troubleshooting BGP
Certification Summary
Two-Minute Drill
SelfTest
8 Troubleshooting Tools
Using Router Diagnostic Tools
Telnet
Ping
Traceroute
Accounting
Router Web Interface
Router Logging
Introduction to CiscoWorks
TheRoleofSNMP
SNMP Traps
Managing with CiscoWorks
The CiscoWorks Applications
Using Third-Party Tools
CMU SNMP Library
Packet Analyzers
Hardware Tools
Other Places to Find Troubleshooting Tools
Certification Summary
Two-Minute Drill
SelfTest
9 Cisco's Diagnostic Tools
Interface-Specific Commands
IP Interfaces
IPX Interfaces
AppleTalk Interfa
WAN Interfaces
Memory and Process Commands
Buffer and Message-Logging Commands
Using Ping, Extended Ping, and Traceroute to Confirm
Network Connectivity
Certification Summary
Two-Minute Drill
SelfTest
10 Advanced Diagnostic Tools
Debug Mode
Debug Mode Cautions
Debugging at the Protocol Level
Interface Debugging
Fault-Tracking Commands
Logging
Interconnectivity Commands
How to Perform a Core Dump
Hardware Diagnostics
Certification Summary
Two-Minute Drill
SelfTest
11 Campus Switches and VLANs
Interface Configuration
Speed and Duplex Detection
Security
Virtual LANs (VLANs)
VLAN Assignment
Virtual Trunking Protocol (VTP)
Inter-Switc Link (ISL) Trunks
Spanning Tree Protocol
BPDU Hello Packets
PortFast
UplinkFast
Troubleshooting with the Span Port
Spanning a Switch Port
Spanning a VLAN
Common Problems and Fixes
The SHOW Commands (CAM DYNAMIC, VIAN
MODULE.andPORT)
Disabled Ports
Missing VTP Domain
Deleted VLAN
10/100 Autodetect Broken
Wrong Speed
Mismatched Duplex
Code Rev Not Supporting New Module
Certification Summary
Two-Minute Drill
SelfTest
12 Hands-on Troubleshooting
Troubleshooting LANs
Ethernet
Token Ring
Fiber Distributed Data Interface (FDDI)
Troubleshooting WANs
Serial Line Connections
ISDN
Prame Relay
Troubleshooting TCP/IP
Troubleshooring IPX
Troubleshooting AppleTalk
Using Cisco Support Functions
CCO Docs
CCO Open Forum
CD-ROM
Cisco Technical Assistance Center (TAC)
Certification Summary
Two-Minute Drill
SelfTest
13 Troubleshooting the ISDN Basic Rate
Interface (BRI)
The ISDN Physical Layer
The ISDN CO Switch
The NTl Device
Verifying Layer 1 Activation
The ISDN Data Link Layer (Q.921)
Q.921 Startup Procedures
Verifying LAPD Status
ISDN Layer 3: SPIDs
Configuring SPIDs
SPID Verification
Dial-on-Demand Routing (DDR)
Defining "Interesting" Traffic
Defining Whom to Call
Troubleshooting DDR
ISDN Q.931 for Call Setup and Teardown
Q.931 Call Establishment
Q.931 Setup Messages
Call Teardown
PPP: The Point-to-Point Protocol
The Link Control Protocol
The Network Control Protocols
Multilink PPP
Certification Summary
Two-Minute Drill
SelfTest
A Self Test Answers
Answers to Chapter 1 SelfTest
Answers to Chapter 2 SelfTest
Answers to Chapter 3 SelfTest
Answers to Chapter 4 SelfTest
Answers to Chapter 5 SelfTest
Answers to Chapter 6 SelfTest
Answers to Chapter 7 SelfTest
Answers to Chapter 8 SelfTest
Answers to Chapter 9 SelfTest
Answers to Chapter 10 SelfTest
Answers to Chapter 11 SelfTest
Answers to Chapter 12 SelfTest
Answers to Chapter 13 SelfTest
B About the CD
Personal Testing Center Test Type Choices
Live
Managing Windows
Saving Scores as Cookies
Using the Browser Buttons
JavaScript Errors
Pracrice
Review
Scoring
C About the Web Site
Access Global Knowledge
What You'll Find There
Glossary
Index

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