1、目錄設計要求......................................................1一、用戶需求分析..............................................3二、網絡拓撲設計及原則........................................4（一）拓撲設計.............................................

2、.......................................................................4（二）設計原則....................................................................................................................4三、網絡方案設計................

3、..............................6（一）網絡結構分析.............................................................................................................61骨干層..................................................................

4、.......................................................................62接入層.........................................................................................................................................73出口...

5、..........................................................................................................................................7（二）網絡架構設計........................................................................

6、.....................................7（三）擴展的考慮.................................................................................................................8（四）網絡VLAN的設計................................................

7、........................................................8（五）網絡QoS設計.............................................................................................................9（六）網絡安全設計..................................

8、.........................................................................11（七）服務器......................................................................................................................12四、設備選型.............

9、....................................13（一）路由器的選擇...........................................................................................................13（二）交換機的選擇.......................................................

10、....................................................14（三）防火墻......................................................................................................................18（四）服務器..................................