太原钢铁（集团）有限公司信息化建设项目一期工程技术方案书目录一、太钢公司网络信息系统一期规划实施方案——主干网络系统建设................8（一）概述.............................................................................................................81、网络设计原则............................................................................................82、网络建设目标和总体规划........................................................................8（二）主干网络建设...........................................................................................111、主干交换机..............................................................................................111.1CISCOCatalyst6000系列基本特性...............................................111.2CISCOCatalyst6000系列扩展特性...............................................121.3第三层交换.......................................................................................141.4本方案选型和主要配置...................................................................151.5子网划分...........................................................................................152、二级节点主交换机..................................................................................162.1CISCO3548XL交换机介绍...........................................................162.2本方案二级节点主交换机选型和配置...........................................163、部门交换机..............................................................................................174、网络连接冗余..........................................................................................17（三）访问服务中心...........................................................................................181、ISP访问服务器配置和选型...................................................................182、ISP计费系统软件...................................................................................19（四）Internet连接..............................................................................................211、Internet连接概述.....................................................................................212、CISCO3640路由器介绍........................................................................213、本方案路由器选型和配置......................................................................22（五）服务器系统...............................................................................................231、E-mail服务器..........................................................................................231.1E-MAIL服务器选型原则................................................................231.2SUNE450优点与特性.....................................................................241.3E450ClusterHA双机热备..............................................................251.4本方案E-MAIL服务器主要配置...................................................262、数据库服务器..........................................................................................272.1数据库服务器选型原则...................................................................272.2本方案数据库选型和配置...............................................................273、WEB应用服务器....................................................................................283.1WEB服务器的功能概...
