chap1交换机基本配置与使用v2.pptVIP

1.1 Cisco路由器/交换机基础知识 1.1.1 存储器 RAM 运行配置文件（running-config）、路由表和 ARP缓存等信息 ROM 存放通电自检（POST）诊断程序、引导程序、ROM监控程序（ROM Monitor） FLASH 存放IOS映像文件 NVRAM 存储启动配置文件（startup-config） 1.1.2 初始化配置对话模式 在启动的时候，如果路由器（或交换机）没有进行配置的话，路由器（或交换机）会提示用户进入系统配置对话模式 1.1.2 初始化配置对话模式 提示语句如下: Would you like to enter the initial configuration dialog? [yes/no]: 如果选择n，则进入IOS的命令行界面CLI（Command Line Interface），以命令行方式对路由器（或交换机）进行配置 如果选择y进入对话模式，那么系统会通过一系列的问题指导用户对路由器（或交换机）进行配置 --- System Configuration Dialog --- Would you like to enter the initial 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]: yes Configuring global parameters: Enter host name [Switch]: myswitch 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: mysecret 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: CR #按enter键 % No defaulting allowed Enter enable password: cisco The virtual terminal password is used to protect access to the router over a network interface. Enter virtual terminal password: myvty Configure SNMP Network Management? [no]: CR #按enter键 Current interface summary Any interface listed with OK? value NO does not have a valid configuration Interface IP-Address OK? Method Status Protocol Vlan1 unassigned NO unset up