HUAWEI TECHNOLOGIES CO., LTD.www.huawei.comHuawei Confidential Security Level: Slide title :40-47pt Slide subtitle :26-30pt Color:whiteCorporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial*ZHANG Minghe 409292010-10-19PS工程师数通知识系列（一） 数通基础HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.Top right corner for field-mark, customer or partner logotypes. - Page 2学习完此课程，您将会：p了解OSI七层模型和TCP/IP模型p 掌握IP地址和子网划分p了解ARP、免费ARP、ARP代理的概念和原理p了解ICMP，Ping、Traceroute等常用网络诊断工具的使 用p熟悉交换机、路由器等网络设备的工作原理和基本概念p了解路由的概念和数据包转发过程HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.Top right corner for field-mark, customer or partner logotypes. - Page 3第第1 1章章 OSI OSI 模型、模型、IPIP地址和子网划分地址和子网划分第2章 交换基础和路由第3章 ICMP,PING,TRACEROUTE的原理第4章 TCP/UDP的基本概念HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.Top right corner for field-mark, customer or partner logotypes. - Page 4OSI 参考模型和TCP/IP模型：ApplicationPresentationSessionTransportIPData link PhysicalApplicationTransportIPData link PhysicalOSI模型TCP/IP 模型HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.Top right corner for field-mark, customer or partner logotypes. - Page 5OSI模型uApplication 两个作用：1、给用户提供接口。2、提供标准的服务。主要包括：SNMP,FTP,TELNET,NET,DHCP,TFTP,HTTP,DNS等。uPresentation的主要作用：1、指定独立结构的数据传送格式。2、编码和解码数据格式，加密和解密数据，压缩。主要包括：.jpg,.pdf,.doc, 加密等uSession层：会话层。主要包括netbios, appletalk, radius等。u传输层的主要作用：1、管理网络层。2、提供可靠的报文传输机制。u IP层：1、地址和路由。u DATA LINK :1、帧2、控制物理层数据流。u 物理层：1、接口2、定义电气特性HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.Top right corner for field-mark, customer or partner logotypes. - Page 6TCP/IP协议栈HTTP、Telnet、FTP、 TFTP、Ping、etcTCP/UDPARP/RARPIPICMPEthernet、802.3、PPP、 HDLC、FR、etc接口和线缆应用层传输层网络层提供应用程序网络接口建立端到端连接寻址和路由选择物理介质访问二进制数据流传输HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Slide title :32-35pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialSlide text :20-22pt Bullets level 2-5:18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : ArialThe following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage de