路由器基本配置 Basic Configuration of Router E Cisco.com 深圳职业技术学院计算机系网络专业
© 2006, Shenzhen Polytechnic. All rights reserved. 1 路由器基本配置 Basic Configuration of Router 深圳职业技术学院计算机系网络专业
教学目标(Objectives) Cisco.com 1.路由器功能（Function of Router) 2.路由器组成(Router Components) 3.超级终端会话属性 (HyperTerminal Session Properties) 4.Routeri配置模式 (Router Configuration Mode 5.路由器基本配置 (Basic Configuration of Router) 006 ShenzhenPolytechnic.All rightsreserved
© 2006 Shenzhen Polytechnic. All rights reserved. 2 教学目标（ Objectives ） 1. 路由器功能（ Function of Router ） 2.路由器组成（Router Components ） 3.超级终端会话属性 （HyperTerminal Session Properties） 4. Router配置模式 （Router Configuration Mode ） 5.路由器基本配置 （Basic Configuration of Router）
Router.功能(Function of Router) www Cisco.com Router是第三层的网络设备(Router is layer3 device): 1.路由选择和交换(Routing and Switching) 2.网络分段（Network Segment) 3.流量控制(Flow Control) 4.隔离广播(Isolate Broadcast) 5.广域网连接(NAN Connection) 2006 ShenzhenPolytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 3 Router功能（Function of Router ） Router是第三层的网络设备（Router is layer 3 device）： 1. 路由选择和交换（Routing and Switching） 2. 网络分段（Network Segment） 3. 流量控制（Flow Control） 4. 隔离广播（Isolate Broadcast） 5. 广域网连接（WAN Connection）
路由选择和交换(Routing and Switching) Cisco.com Which Path? 2006 ShenzhenPolytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 4 路由选择和交换（Routing and Switching）
网络分段(Network Segment) Cisco.com B2 B3 B4 B5 Network A] Network B c1 D1 D2 Network C D3 Network D D4 200 ShenzhenPolytechnic.Allrights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 5 网络分段（Network Segment）
广域网连接(NAN Connection) wwwwcmm Cisco.com 2006 ShenzhenPolytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 6 广域网连接（WAN Connection）
路由器内部组成(Router Internal Components) 瘦 Cisco.com RAM NVRAM Flash ROM Console Interfaces Auxiliary 2006 ShenzhenPolytechnic.Allrights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 7 路由器内部组成（Router Internal Components ）
RAM/DRAM 厦 Cisco.com 1.主要存储路由表、ARP缓存、快速交换表和包队列等 Stores routing tables,ARP cache,fast-switching cache,and packet hold queues; 2.存储正在运行的配置文件 RAM also provides temporary and/or running memory for a router's configuration file while the router is powered; 3.掉电或重启动内容丢失 RAM content is lost during a power down or restart
© 2006 Shenzhen Polytechnic. All rights reserved. 8 RAM/DRAM 1.主要存储路由表、ARP缓存、快速交换表和包队列等 Stores routing tables, ARP cache, fast-switching cache, and packet hold queues; 2.存储正在运行的配置文件 RAM also provides temporary and/or running memory for a router's configuration file while the router is powered; 3.掉电或重启动内容丢失 RAM content is lost during a power down or restart
非易失性RAM（NVRAM) AIIE Cisco.com 1.非易失性RAM存储配置文件的备份 Non-volatile RAM stores the router's backup/startup configuration file; 2.掉电或重启动NVRAM内容不丢失 NVRAM content is retained during power down or restart 2006 ShenzhenPolytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 9 非易失性RAM （NVRAM ） 1.非易失性RAM存储配置文件的备份 Non-volatile RAM stores the router's backup/startup configuration file; 2. 掉电或重启动NVRAM内容不丢失 NVRAM content is retained during power down or restart
Flash wmm Cisco.com 1.Flash是可擦除， 可重新编程的ROM,它存储操作系统 映像文件和薇代福 Erasable,reprogrammable ROM that holds the operating system image and microcode; 2.Flash可以软件升级，不需要更换芯片 Flash memory enables software updates without removing and replacing processor chips; 3.掉电或重启动Flash内容不丢失 Flash content is retained during power down or restart; 4.Flash可以存储多个版本的1OS软件 Flash memory can store multiple versions of IOS software 2006 ShenzhenPolytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 10 Flash 1.Flash是可擦除，可重新编程的ROM,它存储操作系统 映像文件和微代码 Erasable, reprogrammable ROM that holds the operating system image and microcode; 2. Flash可以软件升级，不需要更换芯片 Flash memory enables software updates without removing and replacing processor chips; 3.掉电或重启动Flash内容不丢失 Flash content is retained during power down or restart; 4. Flash 可以存储多个版本的IOS软件 Flash memory can store multiple versions of IOS software