简单的校园网架设及多DHCP配置.docx
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简单的校园网架设及多DHCP配置.docx
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简单的校园网架设及多DHCP配置
给各位刚刚加入网络的同学们的一个实用的实验。
就是让你理解学校网络的基本架设。
至少我学校是这样的!
等于说学校有一条线进来,然后接到路由器上,路由器再分到三层交换机上,三层交换机再分VLAN到宿舍楼和办公区和教学楼,然后实现各个网段都能上网,我这里只设置上网就行了,各种策略先不做!
现在开始做
先是做ISP部份,配置好外网WEB的地址和网关!
然后再进到电信的ISP路由上配置,这里只是模拟ISP,其他ISP怎么配置我也不知道,只能模拟!
在ISP路由器上做如下配置
interfacefastEthernet0/1
ipaddress2.2.2.1255.255.255.0
noshutdown
interfacefastEthernet0/0
ipaddress12.1.1.1255.255.255.252
noshutdown
iproute0.0.0.00.0.0.012.1.1.2
ISP部分做完了
下面开始做内网,我内网就先从三层交换机做,完了以后再做路由器
在三层核心交换机上
ipdhcppoolvlan10
network192.168.10.0255.255.255.0
default-router192.168.10.254
dns-server1.1.1.1
ipdhcppoolvlan15
network192.168.15.0255.255.255.0
default-router192.168.15.254
dns-server1.1.1.1
ipdhcppoolvlan20
network192.168.20.0255.255.255.0
default-router192.168.20.254
dns-server1.1.1.1
==========================这些是做DHCP的,就是给内网发DHCP用的
interfaceVlan1
ipaddress10.10.10.2255.255.255.252======这是三层交换机设置的管理地址
interfaceVlan10
ipaddress192.168.10.254255.255.255.0===VLAN10.就是网关的意思
interfaceVlan15
ipaddress192.168.15.254255.255.255.0===同上
interfaceVlan20
ipaddress192.168.20.254255.255.255.0===同上
interfaceFastEthernet0/1
switchporttrunkencapsulationdot1q
switchportmodetrunk
===================将F0/1口设置成trunk,然后改封装成encapsulationdot1q,至于为什么,就是因为这个口要通过很多个VLAN,所以改在TRUNK。
interfaceFastEthernet0/10========进到F0/10口
descriptionconnect_to_sushe======描述,我这里描述”sushe”就是宿舍的意思
switchportaccessvlan10=========端口加到VLAN10里
switchportmodeaccess=========设置接口为ACCESS模式
interfaceFastEthernet0/15
descriptionconnect_to_bangong
switchportaccessvlan15
switchportmodeaccess
interfaceFastEthernet0/20
descriptionconnect_to_jiaoxue
switchportaccessvlan20
switchportmodeaccess=========都是同理的,不解释!
iproute0.0.0.00.0.0.010.10.10.1===静太路由,指向上级路由,这里不多说。
然后我们就把宿舍的PC接在三层交换机的F0/10,办公PC接在F0/15,教学PC接在F0/20口。
到这里我们的核心路由配置完了!
下面配置学校出口路由
interfaceFastEthernet0/0
ipaddress12.1.1.2255.255.255.0
ipnatoutside=======NAT出去
interfaceFastEthernet0/1
ipaddress10.10.10.1255.255.255.252
ipnatinside========NAT进来
iproute0.0.0.00.0.0.012.1.1.1===============配置一条指向外网的默认路由
iproute192.168.10.0255.255.255.010.10.10.2===配置一条明细路由指向三层
iproute192.168.15.0255.255.255.010.10.10.2===配置一条明细路由指向三层
iproute192.168.20.0255.255.255.010.10.10.2===配置一条明细路由指向三层
ipaccess-liststandardnat_pool===新建一个ACL,名字为nat_pool
permit192.168.10.00.0.0.255===允许192.168.10.0的网段通过
permit192.168.15.00.0.0.255===允许192.168.15.0的网段通过
permit192.168.20.00.0.0.255===允许192.168.20.0的网段通过
ipnatinsidesourcelistnat_poolinterfaceFastEthernet0/0overload==配置NAT,不会的话自己去查一下XX吧!
所有配置完成了!
开始测试。
所有PC都通了!
成功了!
下面把所有配置发上来。
ISP的
ISP(config-if)#doshowrun
Buildingconfiguration...
Currentconfiguration:
627bytes
!
version12.4
noservicetimestampslogdatetimemsec
noservicetimestampsdebugdatetimemsec
noservicepassword-encryption
!
hostnameISP
!
!
!
enablesecret5$1$mERr$Bok4KDfVutXOJolNq009M/
!
!
!
!
!
!
!
!
!
!
noipdomain-lookup
!
!
!
!
!
!
interfaceFastEthernet0/0
ipaddress12.1.1.1255.255.255.252
duplexauto
speedauto
!
interfaceFastEthernet0/1
ipaddress2.2.2.1255.255.255.0
duplexauto
speedauto
!
interfaceVlan1
noipaddress
shutdown
!
ipclassless
iproute0.0.0.00.0.0.012.1.1.2
!
!
!
!
!
!
!
linecon0
exec-timeout00
loggingsynchronous
linevty04
passwordcisco
login
!
!
!
end
ISP(config-if)#
学校出口路由的
outroute(config)#doshowrun
Buildingconfiguration...
Currentconfiguration:
1006bytes
!
version12.4
noservicetimestampslogdatetimemsec
noservicetimestampsdebugdatetimemsec
noservicepassword-encryption
!
hostnameoutroute
!
!
!
enablesecret5$1$mERr$Bok4KDfVutXOJolNq009M/
!
!
!
!
!
!
!
!
!
!
noipdomain-lookup
!
!
!
!
!
!
interfaceFastEthernet0/0
ipaddress12.1.1.2255.255.255.0
ipnatoutside
duplexauto
speedauto
!
interfaceFastEthernet0/1
ipaddress10.10.10.1255.255.255.252
ipnatinside
duplexauto
speedauto
!
interfaceVlan1
noipaddress
shutdown
!
ipnatinsidesourcelistnat_poolinterfaceFastEthernet0/0overload
ipclassless
iproute0.0.0.00.0.0.012.1.1.1
iproute192.168.10.0255.255.255.010.10.10.2
iproute192.168.15.0255.255.255.010.10.10.2
iproute192.168.20.0255.255.255.010.10.10.2
!
!
ipaccess-liststandardnat_pool
permit192.168.10.00.0.0.255
permit192.168.15.00.0.0.255
permit192.168.20.00.0.0.255
!
!
!
!
!
linecon0
exec-timeout00
loggingsynchronous
linevty04
passwordcisco
login
!
!
!
end
outroute(config)#
核心交换机
SW(config-if)#doshowrun
Buildingconfiguration...
Currentconfiguration:
2023bytes
!
version12.2
noservicetimestampslogdatetimemsec
noservicetimestampsdebugdatetimemsec
noservicepassword-encryption
!
hostnameSW
!
!
!
enablesecret5$1$mERr$Bok4KDfVutXOJolNq009M/
!
!
!
ipdhcppoolvlan10
network192.168.10.0255.255.255.0
default-router192.168.10.254
dns-server1.1.1.1
ipdhcppoolvlan15
network192.168.15.0255.255.255.0
default-router192.168.15.254
dns-server1.1.1.1
ipdhcppoolvlan20
network192.168.20.0255.255.255.0
default-router192.168.20.254
dns-server1.1.1.1
!
!
!
!
!
!
!
noipdomain-lookup
!
!
!
!
!
!
interfaceFastEthernet0/1
switchporttrunkencapsulationdot1q
switchportmodetrunk
!
interfaceFastEthernet0/2
!
interfaceFastEthernet0/3
!
interfaceFastEthernet0/4
!
interfaceFastEthernet0/5
!
interfaceFastEthernet0/6
!
interfaceFastEthernet0/7
!
interfaceFastEthernet0/8
!
interfaceFastEthernet0/9
!
interfaceFastEthernet0/10
descriptionconnect_to_sushe
switchportaccessvlan10
switchportmodeaccess
!
interfaceFastEthernet0/11
!
interfaceFastEthernet0/12
!
interfaceFastEthernet0/13
!
interfaceFastEthernet0/14
!
interfaceFastEthernet0/15
descriptionconnect_to_bangong
switchportaccessvlan15
switchportmodeaccess
!
interfaceFastEthernet0/16
!
interfaceFastEthernet0/17
!
interfaceFastEthernet0/18
!
interfaceFastEthernet0/19
!
interfaceFastEthernet0/20
descriptionconnect_to_jiaoxue
switchportaccessvlan20
switchportmodeaccess
!
interfaceFastEthernet0/21
!
interfaceFastEthernet0/22
!
interfaceFastEthernet0/23
!
interfaceFastEthernet0/24
!
interfaceGigabitEthernet0/1
!
interfaceGigabitEthernet0/2
!
interfaceVlan1
ipaddress10.10.10.2255.255.255.252
!
interfaceVlan10
ipaddress192.168.10.254255.255.255.0
!
interfaceVlan15
ipaddress192.168.15.254255.255.255.0
!
interfaceVlan20
ipaddress192.168.20.254255.255.255.0
!
ipclassless
iproute0.0.0.00.0.0.010.10.10.1
!
!
!
!
!
!
!
linecon0
exec-timeout00
loggingsynchronous
linevty04
passwordcisco
login
!
!
!
end
SW(config-if)#
完了,祝大家成功!
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