3
Module2-Interconnecting Catalyst Switches......................... 36
第五章 Catalyst 1900 Switch Operations Extending Switched Networks
with Virtual LANs................................................. 36
5.1 Switch(Bridge)技术 ........................................ 37
5.2 Switch 的三个功能.......................................... 38
5.3 Spanning-Tree Protocol(STP) ............................... 40
5.3.1 STP 的 Convergence 步骤............................... 41
5.3.2 Spanning-Tree Port States............................ 42
5.3.3 Switch Vs Bridge Switch 的转发模式 .................. 43
5.4 Switch 的配置............................................. 44
5.5 VLAN 虚拟局域网 ........................................44
5.5.1 什么是 VLAN? ......................................... 44
5.5.2 Frame Tagging(帧封装技术)............................ 46
5.5.3 VLAN Trunk Protocol(VTP)............................ 47
5.5.4 VTP Pruning.......................................... 49
5.5.5 VLAN 配置............................................ 50
Module 3—Interconnecting Cisco Routers........................... 52
第六章 Interconnecting networks with TCP/IP....................... 52
6.1 TCP/IP 概述 ............................................... 52
6.2 IP 地址划分 ............................................... 56
6.2.1 基本知识............................................. 56
6.2.2 子网划分............................................. 59
6.2.3 一些配置............................................. 59
第七章 Determining IP Routers..................................... 61
7.1 什么是 Routing?............................................ 61
7.2 路由分类 .................................................. 63
7.3 路由协议分类 .............................................. 65
7.3.1 Distance Vector Routing Protocol..................... 65
7.3.2 最佳路由选择......................................... 66
7.3.3 维护路由表........................................... 66
7.3.4 Routing Loop 的形成与克服 ............................ 67
7.3.5 配置 RIP 和 IGRP ...................................... 68
第八章 Basic IP Traffic Management with Access Lists............. 70
8.1 为什么要使用 ACL ......................................... 70
8.2 ACL 分类................................................... 70
8.3 配置 ACL 原则 .............................................. 71
8.4 正确使用 Wildcard.......................................... 71
8.5 配置 Access-List........................................... 72
8.5.1 使用 ACL 控制 VTY 访问................................. 74
