前言网络已经成为了我们生活中不可或缺的一部分，它连接了世界各地的人们，让信息和资源得以自由流动。随着互联网的发展，我们可以通过网络学习、工作、娱乐，甚至是社交。因此，学习网络知识和技能已经成为了每个人都需要掌握的重要能力。本课程博主将带领读者深入了解网络的基本原理、结构和运作方式，帮助读者建立起对网络的全面理解。我们将介绍网络的发展历程、网络的分类和组成、网络的安全和隐私保护...

文章 2022-02-16 来自：开发者社区

cisco NAT网络地址转换配置

网络地址转换（NAT）通过将内部网络的私有ip地址翻译成全球唯一的公网ip地址，使内部网络可以连接到互联网上，广泛应用于各种类型的互联网接入方式和各种类型的网络中。NAT的作用：缓解ip不足，隐藏内部服务器的私有ip，NAT用于局域网中末端的路由器（直接连接外网的那个路由）,而且和vlan环境，或者中间经过的设备没有任何关系。 NAT的实现方式：静态转换（将内网私有i...

文章 2022-02-16 来自：开发者社区

Cisco设备静态NAT基本配置步骤

以下内容摘自笔者即将出版上市的《金牌网管师——大中型企业网络组建、配置与管理》一书，或者于明年将出版的《Cisco/H3C路由器配置与管理完全手册》一书。当你与外部网络进行通信时，你可以转换自己的私有IP地址到全局唯一的IP地址。可以通过静态或动态NAT来实现以上目的。静态NAT在内部本地址和内部全局地址之间建立一对一的映射关系，而动态NAT建立一个内部本地址到一个全局地址池的映射...

文章 2017-11-23 来自：开发者社区

NAT的含义 NAT英文全称是“Network Address Translation”，中文意思是“网络地址转换”，它是一个IETF(Internet Engineering Task Force, Internet工程任务组)标准，允许一个整体机构以一个公用IP（Internet Protocol）地址出现在Internet上。顾名思义，它是一种把内部私有网络地址（IP地址）翻译成合法网络I....

文章 2017-11-06 来自：开发者社区

CISCO ASA8.3 之后的NAT配置对比

Cisco ASA8.3之后使用“Network Object ”来配置NAT 一.Dynamic NAT（动态NAT，动态一对一）传统配置方法，如： nat (inside) 1 172.16.86.0 255.255.255.0 global (outside) 1 200.1.1.3 - 200.1.1.99 ...

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