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本书以"理实一体化”"做中学，学中做”"理论知识够用，技能为主”为教学理念，以构建中小型企业网络工程为背景，采用项目化教学模式，通过任务驱动的形式展开讲解。全书以华为设备为核心，详细介绍了交换机、路由器等网络设备的配置与管理操作命令，紧密结合实际工程场景，帮助学生掌握网络搭建的核心技能。每个项目均设计为具体任务，学生通过完成从网络规划、设备配置到故障排查等一系列任务，逐步提升对网络架构的全面理解和实践动手能力。书中内容注重实用性与可操作性，图文并茂，语言通俗易懂，既适合课堂教学，也便于学生自学。本书旨在培养学生在真实工作环境中解决实际问题的能力，为其未来从事网络工程相关工作奠定坚实基础。

项目 1 认识局域网··········································································································1 
任务 1 局域网基础知识··································································································2 
1.1.1 了解局域网···································································································2 
1.1.2 理解网络拓扑结构··························································································5 
1.1.3 理解网络体系结构··························································································9 
1.1.4 理解 IP 地址和子网划分················································································.16 
任务 2 网络工程规划与设计·························································································.25 
1.2.1 设计思路···································································································.25 
1.2.2 方案实现···································································································.28 
项目 2 搭建办公网络····································································································.31 
任务 1 交换机基础知识·······························································································.32 
2.1.1 认识交换机································································································.32 
2.1.2 通过 Console 端口配置交换机·········································································.34 
2.1.3 使用 Telnet 方式登录交换机···········································································.36 
2.1.4 使用 eNSP 网络仿真平台···············································································.38 
任务 2 搭建部门网络··································································································.42 
2.2.1 按部门划分 VLAN 隔离办公网络 ····································································.42 
2.2.2 采用交换机级联实现跨交换机同部门的连通 ······················································.46 
2.2.3 实现不同部门之间的网络连通 ········································································.49 
2.2.4 使用 DHCP 分配 IP 地址 ···············································································.52 
任务 3 提高网络冗余性·······························································································.56 
2.3.1 使用端口链路聚合技术增加网络带宽 ·······························································.56 
2.3.2 启用生成树协议解决冗余链路引起的环路问题 ···················································.59 
2.3.3 使用堆叠技术增加网络带宽···········································································.64 
项目 3 搭建园区网络····································································································.68 
任务 1 认识路由器·····································································································.69 
3.1.1 路由器基础知识··························································································.69 
3.1.2 配置路由器子接口实现 VLAN 间的通信 ···························································.71 
任务 2 使用静态路由实现园区网络的互联·······································································.73 
3.2.1 使用静态路由实现网络互联···········································································.73 
3.2.2 使用默认路由实现全网互联···········································································.75 
任务 3 使用 VRRP 技术提高网络的可靠性 ······································································.78 
项目 4 实现区域网络互联·····························································································.82 
任务 1 使用 RIP 实现区域网络互联················································································.83 
4.1.1 认识 RIP ···································································································.83 
4.1.2 使用 RIP 实现区域网络互通···········································································.88 
任务 2 使用 OSPF 协议实现区域网络互联 ·······································································.92 
4.2.1 认识 OSPF 协议 ··························································································.92 
4.2.2 使用 OSPF 协议实现区域网络互通 ··································································.99 
任务 3 使用路由重分布实现多路由协议之间的网络互联·····················································106 
4.3.1 RIP 与 OSPF 的路由双向重分布······································································106 
4.3.2 直连路由和静态路由重分布到 OSPF 协议··························································110 
项目 5 Internet 接入及网络安全 ···················································································115 
任务 1 访问控制列表··································································································116 
5.1.1 访问控制列表基础配置·················································································116 
5.1.2 高级访问控制列表配置·················································································126 
5.1.3 复杂访问控制列表配置·················································································132 
任务 2 防火墙和 NAT·································································································139 
5.2.1 防火墙基础配置··························································································139 
5.2.2 Basic NAT 配置···························································································149 
5.2.3 NAPT 配置 ································································································154 
5.2.4 NAT Server 配置 ·························································································157 
任务 3 VPN 技术及应用······························································································162 
5.3.1 GRE 隧道应用 ····························································································162 
5.3.2 IPSec VPN 技术 ··························································································172 
项目 6 搭建无线局域网································································································183 
任务 1 搭建企业无线网络····························································································184 
6.1.1 WLAN 基础知识 ·························································································184 
6.1.2 企业 WLAN AC+AP 方式组网 ········································································187 
任务 2 WLAN 工勘····································································································194 
6.2.1 信号衰减测试·····························································································194 
6.2.2 现场工勘···································································································196 
项目 7 中小型企业网安全架构······················································································203 
7.1 方案总体设计 ······································································································203 
7.2 外网出口区·········································································································204 
7.3 数据中心区·········································································································206 
7.4 运维管理区·········································································································207 
7.5 终端接入区·········································································································211 
7.6 桌面云服务器区 ···································································································213

随着信息化进程的加快，计算机网络技术已广泛应用于社会各领域，成为人们生活与工
作的核心支撑之一。交换机路由组网技术作为高职院校信息类专业的重要课程，承担着为社会
输送高素质技能型人才的重要任务。为了更好地适应产业发展趋势和教育教学改革要求，提
升学生的专业能力与岗位胜任力，编者在多年教学实践与企业服务经验的基础上组织编写了
本书。
本书以“理实一体化”“做中学、学中做”“理论够用、技能为主”的教学理念为指导，
以中小型企业网络工程的构建为背景，采用项目化教学模式，围绕交换机路由组网的核心技术
设置了 7 个项目，内容涵盖认识局域网、搭建办公网络、搭建园区网络、实现区域网络互联、
Internet 接入及网络安全、搭建无线局域网、中小型企业网安全架构，系统讲解了以华为设备
为核心的组网技术与配置方法。本书内容由浅入深，任务导向清晰，注重理论与实践融合、知
识与能力协同，紧贴真实岗位需求。
本书基于中高职一体化教学标准进行设计，由浙江安防职业技术学院联合温州市职业中
等专业学校、平阳县职业中等专业学校共同开发，全面衔接中高职各阶段的教学体系，构建贯
通式人才培养路径。同时，本书的编写得到了杭州安恒信息技术股份有限公司、深信服科技
股份有限公司等网络安全与云计算领域知名企业的支持，引入了大量企业真实案例与工作流
程，构建了理论教学与工程实践相结合的教学模式，旨在提升学生的技术应用能力和问题解决
能力。
本书依托浙江省“计算机网络技术专业教学资源库”开发，是浙江安防职业技术学院“双
高计划”重点建设项目的重要支撑资源。本书已被列为该校“交换路由组网技术”一流课程的
核心配套用书，还配套建设了电子教案、微课视频、仿真实训平台、教学课件和章节习题等多
维教学资源。本书内容与智慧职教、超星学习平台无缝对接，可实现线上线下混合式教学与自
主学习，全面提升教学成效。

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