| 作者 |
| Syngress Media公司 |
| 丛书名 |
| Cisco专业技术丛书 |
| 出版社 |
| 机械工业出版社 |
| ISBN |
| 9787111072881 |
| 简要 |
| 简介 |
| 内容简介书籍计算机书籍 Syngress Media, Inc.: CCNP Cisco Internetwork Troubleshooting Study Guide (Exam 640-440). Copyright (c) 1999 by The McGraw-Hill Companies, Inc. All rights reserved, Jointly published by China Machine Press/ McGraw-Hill. This edition may be sold in the People Republic of China only. This book cannot be re-exported and is not for sale outside the People Republic of china. |
| 目录 |
| About the Contributors Acknowledgments Preface Introduction 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 Characteristics Review Connection-Oriented vs. Connectionless Certification Summary Two-Minute Drill Self Test 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 Troubleshooting Token Ring / IEEE 802.5 Understanding MAC Communications Troubleshooting Token Ring Networks FDDI ATM LAN Emulation (LANE) . Encapsulation Methods Certification Summary Two-Minute Drill Self Test 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 Layer 2 of ISDN Layer 3 of ISDN Certification Summary Two-Minute Drill Self Test 4 The Internet Protocol (IP) Technology Features Recap A Note About Terminology IP, UDP, TCP, ICMP, and Common Ports A Closer Look at TCP UDP IP Broadcast and Multicast ICMP ICMP Redirects ARP Caching . DNS and DNS Caching Default Gateway IP Helper Addresses 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 Self Test 5 Novell誷 Internetwork Packet Exchange (lPX) Protocol IPX Protocol Suite IPX SPX NCP LIP Packet Burst IPX NetBIOS 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 NetBIOS Problems Certification Summary Two-Minute Drill Self Test 6 Apple誷 AppleTalk Protocol The Evolution of AppleTalk 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 Self Test 7 Common Routing Protocols Periodic Broadcast-Based Protocols Routing Information Protocol (RIP) Troubleshooting RIP Cisco’s Interior Gateway Routing Protocol (IGRP) Troubleshooting IGRP IPX RIP and Service Advertising Protocol (SAP) Troubleshooting IPX RIP AppleTalk Routing Table Maintenance Protocol (RTMP) Troubleshooting AppleTalk Networks Event-Driven Protocols Open Shortest Path First (OSPF) Troubleshooting OSPF Cisco’s Enhanced IGRP (EIGRP) Troubleshooting EIGRP Border Gateway Protocol (BGP) Troubleshooting BGP Certification Summary Two-Minute Drill Self Test 8 Troubleshooting Tools Using Router Diagnostic Tools Telnet Ping Traceroute . Accounting Router Web Interface Router Logging . Introduction to CiscoWorks The Role of SNMP SNMP Traps Managing with CiscoWorks The CiscoWorks Applications Using Third-Party Tools CMU SNMP Library Packet Analyzers HardwareTools Other Places to Find Troubleshooting Tools Certification Summary Two-Minute Drill Self Test 9 Cisco誷 Diagnostic Tools Interface-Specific Commands IP Interfaces IPX Interfaces .. AppleTalk Interfaces WAN Interfaces Memory and Process Commands Buffer and Message-Logging Commands Using Ping, Extended Ping, and Traceroute to Confirm Network Connectivit Certification Summary Two-Minute Drill Self Test 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 Self Test 11 Campus Switches and VLANs Interface Configuration Speed and Duplex Detection Security Virtual LANs (VLANs) VLAN Assignment Virtual Trunking Protocol (VTP) Inter-Switch 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, and PORT) 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 Self Test 12 Hands-on Troubleshooting Troubleshooting IANs Ethernet Token Ring Fiber Distributed Data Interface (FDDI) Troubleshooting WANs Serial Line Connections ISDN Frame Relay Troubleshooting TCP/IP Troubleshooting IPX Troubleshooting AppleTalk Using Cisco Support Functions CCO Docs CCO Open Forum CD-ROM Cisco Technical Assistance Center (TAC) Certification Summary Two-Minute Drill Self Test 13 Troubleshooting the ISDN Basic Rate Interface (BRI) The ISDN Physical Layer The ISDN CO Switch The NTI Device Verifying Layer I Activation The ISDN Data Link Layer (Q. 92 1) Q921 Startup Procedures Verifying LAPD Status ISDN Layer 3: SPIDs Config,uring 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 Q931 Call Establishment Q931 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 Self Test ASelf Test Answers Answers to Chapter 1 Self Test Answers to Chapter 2 Self Test Answers to Chapter 3 Self Test Answers to Chapter 4 Self Test Answers to Chapter 5 Self Test Answers to Chapter 6 Self Test Answers to Chapter 7 Self Test Answers to Chapter 8 Self Test Answers to Chapter 9 Self Test Answers to Chapter 10 Self Test Answers to Chapter 11 Self Test Answers to Chapter 12 Self Test Answers to Chapter 13 Self Test B About the CD Personal Testing Center Test Type Choices Live Managing Windows Saving Scores as Cookies Using the Browser Buttons JavaScript Errors Practice Review Scoring C About the Web Site Access Global Knowledge What You’ll Find There Glossary Index |