CCNA 基础知识 第12章 IOS基础(完).pptVIP

第12章 IOS基础 IOS（Internetwork Operating System） IOS（Internetwork Operating System）互联网络操作系统是由Cisco开发的用于管理Cisco网络设备的操作系统。在Cisco的很多网络设备都使用IOS，目前IOS的必威体育精装版版本是12.3。在CCNA课程中主要介绍Cisco2500系列路由器和1900系列交换机的IOS配置。 Cisco设备的启动 发现和检测硬件设备（包括设备内部的各种组件） 发现和安装IOS软件 发现和应用配置文件 Cisco设备的配置途径 Configuration information can come from many sources Cisco设备的配置途径 Overview of the User Interface User Mode Privileged Mode Logging In to the Router: Cisco IOS Software Logging In to the Router: Cisco IOS Software User-Mode Command List User-Mode Command List (cont.) Privileged Mode Command List Privileged Mode Command List (cont.) Privileged Mode Command List (cont.) Privileged Mode Command List (cont.) Context-Sensitive Help Symbolic translation Keyword completion Last command recall CtrlP Command prompting Syntax checking Using Editing Commands Reviewing Command History Summary Using the router Log in with user password Enter privileged mode with enable password Disable or quit Advanced help features Command completion and prompting Syntax checking Advanced editing features Automatic line scrolling Cursor controls History buffer with command recall Copy and paste if using a laptop computer as a terminal emulator Configuration Methods and Modes Configuration Methods and Modes Objectives Manage configuration files from the privileged EXEC mode Move between configuration modes Control router passwords, identification, and banner Router Configuration Overview Cisco IOS software version Router identification Boot file locations Protocol information Interface configurations Working with 11.0 Config Files Use these commands for routers running Cisco IOS Release 11.0 or later Working with Pre-11.0 Config Files Use these commands for routers running Cisco IOS Release 10.3 or earlier Using a TFTP Server Using NVRAM with Release 11.x Using NVRAM with Pre-11.0 IOS Use these commands for routers running Cisco IOS Release 10.3 or earlier Router Modes Router Modes Overview of Router Modes User EXEC m