目 录第 1 章 故障排除概述 ...................................................................................................................11.1 网络故障排除综述 ...............................................................................................................11.1.1 引言 ..........................................................................................................................11.1.2 网络故障的一般分类 .................................................................................................21.1.3 一般网络故障的解决步骤 .........................................................................................21.2 路由器常用诊断工具介绍 ....................................................................................................81.2.1 ping 命令 ...................................................................................................................91.2.2 tracert 命令 .............................................................................................................131.2.3 display 命令 .............................................................................................................171.2.4 reset 命令 ................................................................................................................221.2.5 debugging 命令 .......................................................................................................231.3 故障排除常用方法 .............................................................................................................251.3.1 分层故障排除法 .......................................................................................................251.3.2 分块故障排除法 .......................................................................................................261.3.3 分段故障排除法 .......................................................................................................271.3.4 替换法 .........