计算机进行访问。
本文从企业网络需求开始分析，根据现阶段cisco公司主流网络设备进行选材规划最适用于目标网络的拓扑结构建设合理的网络设计方案。本课题实施部分由GNS3模拟器来搭建网络拓扑结构，利用cisco设备操作系统u
zipc2691advsecurityk9mz12411T2作为拓扑内所有设备核心IOS，然后用SecureCRT进行路由器交换机的相关配置，并测试其结果最终验证网络的规划与设计符合大型企业的需求。
关键词：企业网络，拓扑结构，冗余，路由，交换
III
f大型企业网络设计
LargeE
terpriseNetworkPla
i
ga
dDesig
Abstract
Therapiddevelopme
toftheI
ter
etisallovertheworldi
formatio
i
dustryofe
ormouscha
gea
dfarreachi
gco
seque
cesMarketcompetitio
hasbecomethetre
dofglobalizatio
Forlargee
terprisesi
adjusti
gthedevelopme
tstrategymusttakei
toaccou
tthemarketsglobalcompetitive
essstrategya
dallthisi
formatio
platformwillalsobebasedo
thepri
cipleoftheuseofcomputer
etworksa
d
etworkpla
i
gtech
ologytothe
etworki
ordertoe
surepate
cy
I
tra
etisa
i
ter
atio
alI
ter
ettech
ologyi
thee
terpriseorwithi
aclosedusergroupapplicatio
sI
tra
etistheuseofI
ter
ettech
ologiesespeciallyTCPIPprotocola
dthecompletio
ofthee
terprisei
ter
al
etworkThistech
ologyallowsi
teroperabilityofdiffere
tcomputerplatformsa
ddo
othavetoco
sideritspositio
Thatiswhattheuserca
visita
yorfroma
ycomputeraccess
Fromthestartthewholee
terpriseclass
etwork
eedsa
alysisbasedo
themai
streamstagecisco
etworkequipme
tcompa
yselectio
withthegoaltobuildthemostsuitable
etworktopologydesig
edwith
etworktech
ologyAspartofthisimpleme
tatio
tobuildthesimulatorGNS3
etworktopologytheuseofciscodeviceoperati
gsystemsu
zipc2691advsecurityk9mz12411T2forallequipme
twithi
thecoretopologyIOSroutersa
dswitchesusi
gSecureCRTfortheco
figuratio
a
dviewtheexperime
talresultstoverifythatthe
etworkmeetsbusi
ess
eeds
Keywords：E
terprise
etworksTopologyRedu
da
cyRouti
gSwitchi
g
目录
IV
f大型企业网络设计
一课程设计目的1
11研究背景112目的和意义2
二关键的网络技术原理3
21大型企业网络的定位322关键技术研究r