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某校园网的网络方案设计
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随着互联网技术的快速发展,学校教学资源的共享需要一个高效的网络来支撑。为了提高某大学的办公效率,提高学校网络的业务质量,增强网络的可管理和维护性,结合某大学的实际情况和建设需求,本文对某大学进行了校园网网络建设的规划,涉及到网络安全和网络管理方面的内容,通过分离式组网技术方案解决了某大学网络不稳定,可管理性差的问题,并在校园网设计过程中,给出了IP和VLAN规划,路由设计,校园网骨干网、接入网、外联网和资源管理中心的规划设计。
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某校园网的网络方案设计
摘 要
随着互联网技术的快速发展,学校教学资源的共享需要一个高效的网络来支
撑。为了提高某大学的办公效率,提高学校网络的业务质量,增强网络的可管理
和维护性,结合某大学的实际情况和建设需求,本文对某大学进行了校园网网络
建设的规划,涉及到网络安全和网络管理方面的内容,通过分离式组网技术方案
解决了某大学网络不稳定,可管理性差的问题,并在校园网设计过程中,给出了
IP和VLAN规划,路由设计,校园网骨干网、接入网、外联网和资源管理中心的
规划设计。
关键词:校园网;网络设计;分离式;网络管理
The design of the network of a school garden
Abstract
With the rapid development of Internet technology, sharing of teaching
resources needed to support an efficient network. In order to improve office
efficiency some University, and improve the quality of service network of schools,
enhance network manageability and maintenance. Taking into account some with the
actual situation and the construction of the University of demand. This article some
of the University campus network construction planning, Related to network security
and network management aspects, Networking technology through discrete
programs to address the university network instability, the problem of poor
management, and the campus network design process, IP and VLAN given the
planning, routing design, the campus backbone network, access network, extranet,
and resource management planning and design center.
Key words:Campus Network; network design; separate; network
management
目 录
论文总页数:38页
1 引言........................................................................................................................................... 1
1.1 课题背景.................................................................................................................................... 1
1.2 国内外现状.................................................................................................................................1
1.3 本课题研究的意义..................................................................................................................... 1
1.4 本课题的研究方法..................................................................................................................... 1
2校园网网络建设需求.................................................................................................................. 2
2.1 现状描述.................................................................................................................................... 2
2.2 校园网应用对网络的需要.........................................................................................................2
2.3 建设校园网需考虑的问题.........................................................................................................3
2.3.1
校园网整体架构选择问题
...................................................................................................3
2.3.2
后续扩展性问题
.................................................................................................................. 3
2.3.3
校园网运行中的安全问题
...................................................................................................3
2.3.4
校园网运行中的管理问题
...................................................................................................3
3 校园网网络建设规划................................................................................................................. 4
3.1 校园网组成部分及功能介绍..................................................................................................... 4
3.1.1
骨干网
.................................................................................................................................. 4
3.1.2
接入网
.................................................................................................................................. 4
3.1.3
外联网
.................................................................................................................................. 4
3.1.4
资源中心
.............................................................................................................................. 5
3.1.5
管理平台
.............................................................................................................................. 5
3.2校园网骨干网规划......................................................................................................................5
3.2.1
分离式组网
..........................................................................................................................5
3.2.2
骨干设备选型
...................................................................................................................... 6
3.3校园网接入网规划......................................................................................................................6
3.3.1
规划原则
.............................................................................................................................. 6
3.3.2
接入网规划
..........................................................................................................................7
3.4外联网出口互联规划..................................................................................................................7
3.4.1
防火墙
+
网络出口引擎
+
应用控制引擎
..............................................................................7
3.4.2 SSL VPN................................................................................................................................ 8
3.5资源中心规划.............................................................................................................................. 8
3.5.1
传统资源中心网络建设
......................................................................................................8
3.5.2
分离式资源中心安全网络建设
..........................................................................................8
3.6管理平台规划.............................................................................................................................. 9
4 某大学校园网整体设计.............................................................................................................. 9
4.1校园网网络拓扑图......................................................................................................................9
4.2 骨干网设计...............................................................................................................................10
4.3 接入层设计...............................................................................................................................11
4.4 外联网出口设计.......................................................................................................................12
4.4.1
出口设备设计
....................................................................................................................12
4.4.2 NAT
设计
............................................................................................................................. 13
4.4.3
策略路由
........................................................................................................................... 15
4.5 管理平台区块设计...................................................................................................................15
4.5.1
网络中心应用管理拓扑图
................................................................................................15
4.5.2
网络认证系统设计
............................................................................................................16
4.5.3
网络管理系统设计
............................................................................................................17
4.5.4
网络日志审计系统设计
....................................................................................................17
4.5.5
流量分析系统设计
............................................................................................................18
5 IP地址及VLAN规划................................................................................................................... 18
5.1生活区IP地址及VLAN划分........................................................................................................18
5.2非生活区IP地址及VLAN划分....................................................................................................22
6技术选择及路由设计................................................................................................................ 24
6.1 路由协议的选择.......................................................................................................................24
6.2 路由部署.................................................................................................................................. 25
6.2.1
设备互联
............................................................................................................................ 25
6.2.2
规划和部署
Router-id..........................................................................................................27
6.2.3
全网
OSPF
区域划分
........................................................................................................... 28
7 网络安全设计.......................................................................................................................... 28
7.1 校园网目前面临的安全问题...................................................................................................28
7.2 造成网络安全的原因............................................................................................................... 29
7.3 校园网出口设计.......................................................................................................................29
7.4 服务器区安全设计...................................................................................................................29
7.5骨干网安全设计........................................................................................................................ 30
7.6 接入网安全设计.......................................................................................................................31
8 整体解决方案特点总结............................................................................................................ 31
8.1高稳定校园网支撑平台............................................................................................................31
8.1.1
全冗余重点设备和线路
.....................................................................................................31
8.1.2
核心交换机虚拟化技术
.....................................................................................................31
8.1.3
网络设备
CPU
保护技术
......................................................................................................31
8.2全网联动的安全网络平台........................................................................................................32
8.2.1
分布式网络病毒(攻击)防御体系
.................................................................................32
8.2.2
服务器的全面保护
.............................................................................................................32
8.2.3
全面的接入安全保护
.........................................................................................................32
8.3高性能的校园网平台................................................................................................................32
8.3.1
十万兆核心交换平台
.........................................................................................................32
8.3.2
高性能出口和安全平台
.....................................................................................................32
8.4全面进行校园网的统一管理.................................................................................................... 33
8.3.1
全面的日志记录和审计
.....................................................................................................33
8.3.2
安全的认证管理系统
.........................................................................................................33
8.3.3
全面高效的管理控制系统
.................................................................................................33
9 设备清单.................................................................................................................................. 33
结 论........................................................................................................................................... 36
参考文献..................................................................................................................................... 37
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