【免费】计网（第8版）网络层（总结）资源-CSDN文库

计算机网络

需积分: 0 58 浏览量 2023-12-15 19:44:24 上传评论收藏 3.38MB DOCX 举报

资源推荐

资源详情

资源评论

目标：计网-网络层

深度：形成笔记、理解概念

途径：简易和详细文档、CSDN、4.0、王道考研课

用时：N 小时

网络层

1. 网络层 ...................................................................................................................................................................2

1.1 作用 .............................................................................................................................................................2

1.2 两种服务......................................................................................................................................................2

1.3 两个层面......................................................................................................................................................2

1.4 单位 .............................................................................................................................................................2

2. 网际层服务 IP .......................................................................................................................................................3

2.1 ARP 地址解析协议 .......................................................................................................................................3

2.2 ICMP 网际控制报文协议 .............................................................................................................................3

2.3 IGMP 网际组管理协议.................................................................................................................................4

3. IP 地址 ....................................................................................................................................................................5

3.1 概念 .............................................................................................................................................................5

3.2 组成 .............................................................................................................................................................5

3.3 分址 .............................................................................................................................................................5

3.3.1 传统分类...................................................................................................................................................5

3.3.2 划分子网...................................................................................................................................................6

3.3.3 无分类编址 CIDR、路由聚合（构造超网） ..........................................................................................6

3.4 IPv6................................................................................................................................................................6

4. IPV4 数据报 ............................................................................................................................................................7

5. 转发 .......................................................................................................................................................................9

5.1 硬件结构......................................................................................................................................................9

5.2 路由器 .........................................................................................................................................................9

5.3 网络设备对比............................................................................................................................................10

6. 路由 .....................................................................................................................................................................10

6.1 路由 ...........................................................................................................................................................10

6.2 路由的配置方式........................................................................................................................................11

6.3 路由算法....................................................................................................................................................11

7. 路由选择 .............................................................................................................................................................11

7.1 概念 ...........................................................................................................................................................11

7.2 RIP ...............................................................................................................................................................12

7.3 OSPF ............................................................................................................................................................13

7.4 BGP..............................................................................................................................................................14

7.5 三种协议对比............................................................................................................................................14

8. 多播（组播）......................................................................................................................................................15

8.1 概念 ...........................................................................................................................................................15

8.2 局域网硬件多播........................................................................................................................................15

8.3 IGMP 和多播路由选择协议.......................................................................................................................15

9. 虚拟专用网 VPN 和网络地址转化 NAT .............................................................................................................16

9.1 虚拟专用网 VPN........................................................................................................................................16