2.5 操作和配置Cisco IOS设备-启动交换机

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,白金高级网络工程师系列教程,白金高级网络工程师系列教程,启动交换机,目标,Upon completing this lesson, you will be able to:,Start an access layer switch and recognize the normal boot sequence,Use the command-line interface to interact with the Cisco IOS software, given an operational access layer switch,Use the online help facilities associated with the command-line interfaces, given an operational access layer switch,Catalyst,交换机的初始化启动,系统启动例行初始化交换机软件程序。,初始化启动使用缺省配置参数。,Catalyst 2950,交换机,LED,指示灯,自检期间的端口,LED,1.,启动时，所有端口,LED,指示灯是绿色的。,2.,检测完毕之后所有端口的,LED,熄灭。,3.,如果检测失败，故障端口的,LED,转变为琥珀色。,4.,如果出现任何检测失败，系统,LED,转变为琥珀色。,5.,如果没有检测失败，自检,(POST),完成。,6.,自检完成时，所有,LED,闪烁后熄灭。,Catalyst 2950,初次启动时的输出,登录交换机和输入特权模式密码,交换机命令行帮助功能,上下文关联帮助,控制台错误消息,标识错误输入的交换机命令，以便于修改或纠正它们。,允许重新调出以前运行过的命令，用来再次运行、查看或修改。,命令历史记录缓冲区,提供命令列表和与特定命令相关联的提示信息。,配置交换机,配置模式：,全局配置模式,wg_sw_a#configure terminal,wg_sw_a(config)#,接口配置模式,wg_sw_a(config)#interface e0/1,wg_sw_a(config-if)#,配置交换机标识,为交换机设置本地标识,配置交换机,IP,地址,配置交换机默认网关,显示交换机初始化启动状态,显示系统硬件、软件版本、名称,、,配置文件的来源和系统映像的配置,显示交换机当前运行的配置文件,显示交换机上所有接口配置的统计信息,显示,IP,地址、子网掩码和默认网关,交换机,show version,命令,交换机,show running-configuration,命令,交换机,show interface,命令,交换机,show,ip,命令,总结,The startup of a Catalyst switch requires that you verify the physical installation, power up the switch, and view the Cisco IOS software output on the console.,The Catalyst switches have several status,LEDs,that are generally lit in green when the switch is functioning normally but turn amber when there is a malfunction.,The Catalyst POST is executed only when the switch is powered up. The POST uses the switch port,LEDs,to indicate test progress and status.,During initial startup, if POST test failures are detected, they are reported to the console. If POST completes successfully, you can configure the switch.,IT培训 第一选择,阿拉丁计算机国际认证培训中心,