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Body Text,Second Level,Third Level,Fourth Level,Fifth Level,Slide Title,1999,Cisco Systems,Inc.,ICND4-,*,1999,Cisco Systems,Inc.,4-,*,Body Text,Second Level,Third Level,Fourth Level,Fifth Level,Slide Title,第六章操作与配置,Cisco IOS,本章目标,通过本章的学习，您应该掌握以下内容,:,完成路由器的初始参数配置,在网络设备上进入并辨识不同的命令模式,在不同的用户界面下应用各种帮助和命令行编辑功能,查看并确认各网络设备的基本信息,Cisco IOS,软件提供多种网络服务进而支持各种网络应用,.,Cisco,互连网操作系统,(IOS),软件,硬件自检,定位并加载,Cisco IOS,映象文件,定位并运行配置文件,Cisco,设备的简单启动过程,提供命令行界面,在不同的网络设备上运行时有差别,在命令模式下可以键入或粘贴命令,键入命令后回车，设备即解析和执行所键入的命令,两个主要命令模式是用户模式和特权模式,不同的命令模式有不同的提示符,Cisco,IOS,Cisco IOS,用户界面的基本特性,特权,(,或,enabled),模式,对交换机和路由器更深入的操作,有配置和监视权力,是进入其它配置模式的前提,命令提示符为,主机名,#,模式二,(,也是最常用的模式):,Cisco IOS,的主要命令模式(续),系统启动例程会初始化路由器,如果需要，路由器可以有选择性地回退启动,Check hardware,Find and load Cisco IOS,software image,Find and apply router,configuration information,Load Bootstrap,1.启动前确认正确连接线缆和控制线,2.,按下电源开关,3.,观察启动顺序,Cisco IOS,输出到控制台上的内容,Cisco,路由器的初始启动,没有配置文件与有配置文件的路由器启动对比,-,System Configuration Dialog-,Continue with configuration dialog?yes/no:,yes,At any point you may enter a question mark?for help.Use ctrl-c to abort configuration dialog at any prompt.Default settings are in square brackets .,Setup,模式,wg_ro_c con0 is now available,Press RETURN to get started.,用户模式,提示,wg_ro_c,路由器启动时在控制台上的输出内容,控制台,Setup:,初始配置对话框,Router#,setup,-System Configuration Dialog-,Continue with configuration dialog?yes/no:y,At any point you may enter a question mark?for help.,Use ctrl-c to abort configuration dialog at any prompt.,Default settings are in square brackets.,Basic management setup configures only enough connectivity,for management of the system,extended setup will ask you,to configure each interface on the system,Would you like to enter basic management setup?yes/no:n,设置全局参数,初始化全局参数,Configuring global parameters:,Enter host name Router:,wg_ro_c,The enable secret is a password used to protect access to,privileged EXEC and configuration modes.This password,after,entered,becomes encrypted in the configuration.,Enter enable secret:,cisco,The enable password is used when you do not specify an,enable secret password,with some older software versions,and,some boot images.,Enter enable password:,sanfran,The virtual terminal password is used to protect,access to the router over a network interface.,Enter virtual terminal password:,sanjose,Configure SNMP Network Management?no:,设置脚本的确认与应用,The following configuration command script was created:,hostname Router,enable secret 5$1$/CCk$4r7zDwDNeqkxFO.kJxC3G0,enable password sanfran,line vty 0 4,password sanjose,no snmp-server,!,no appletalk routing,no decnet routing,ip routing,no clns routing,no ipx routing,no vines routing,no xns routing,no apollo routing,isdn switch-type basic-5ess,interface BRI0,shutdown,no ip address,!,interface Ethernet0,no shutdown,ip address 10.1.1.31 255.255.255.0,no mop enabled,!,interface Serial0,shutdown,no ip address,end,0 Go to the IOS command prompt without saving this config.,1 Return back to the setup without saving this config.,2 Save this configuration to nvram and exit.,Enter your selection 2:,Console,wg_ro_c,wg_ro_c,enable,wg_ro_c#,wg_ro_c#,disable,wg_ro_c,wg_ro_c,logout,wg_ro_c con0 is now available,Press RETURN to get started.,用户模式提示,特权模式提示,登入路由器,只要所输命令串在全部命令中是唯一的，可以将一个命令尽可能地简写，,路由器在用户模式下的命令清单,wg_ro_c,?,Exec commands:,access-enable Create a temporary Access-List entry atmsig Execute Atm Signalling Commands cd Change current device clear Reset functions connect Open a terminal connection dir List files on given device disable Turn off privileged commands disconnect Disconnect an existing network connection enable Turn on privileged commands exit Exit from the EXEC help Description of the interactive help system lat Open a lat connection lock Lock the terminal login Log in as a particular user logout Exit from the EXEC-More-,wg_ro_c#?,Exec commands:,access-enable Create a temporary Access-List entry,access-profile Apply user-profile to interface,access-template Create a temporary Access-List entry,bfe For manual emergency modes setting,cd Change current directory,clear Reset functions,clock Manage the system clock,configure Enter configuration mode,connect Open a terminal connection,copy Copy from one file to another,debug Debugging functions(see also undebug),delete Delete a file,dir List files on a filesystem,disable Turn off privileged commands,disconnect Disconnect an existing network connection,enable Turn on privileged commands,erase Erase a filesystem,exit Exit from the EXEC,help Description of the interactive help system,-More-,路由器在特权模式下的命令清单,只要输入部分命令串(唯一表示某个命令)，紧接着按,tab,键就可以完整地输入一个命令,show version,命令,wg_ro_a#,show version,Cisco Internetwork Operating System Software,IOS(tm)2500 Software(C2500-JS-L),Version 12.0(3),RELEASE SOFTWARE(fc1),Copyright(c)1986-1999 by cisco Systems,Inc.,Compiled Mon 08-Feb-99 18:18 by phanguye,Image text-base:0 x03050C84,data-base:0 x00001000,ROM:System Bootstrap,Version 11.0(10c),SOFTWARE,BOOTFLASH:3000 Bootstrap Software(IGS-BOOT-R),Version 11.0(10c),RELEASE SOFTWARE(fc1),wg_ro_a uptime
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