两台路由器+两台三层交换机做冗余最大限度避免单点故障
网络拓扑图如下：
拓扑说明：
1． 路由器Internet是一台模拟Internet环境的路由器，为了尽可能真实，我仅在路由器上配置了相应的端口IP没有任何静态或动态路由。
2． 接入层交换机为傻瓜型设备，仅设置vlan端口划分。随时可以更换，基本不用做任何配置。
3． 两台交换机互相做备份，配置基本差不多。区别在于VTP Server在MSW上，BSW作为VTP Client存在。
4． SPT没有专门配置，有设备自动生成。
5． 两台路由器互相备份，配置基本差不多。
6． 该配置环境中只要有一台路由器和一台核心交换机在工作，网络可以正常工作。
7． 其他详细网络参数基本可以在拓扑图上找到，更详细的参数，请参照最后的配置文件。
配置情况：
基本配置
Internet
enable
configure terminal
hostname Internet
interface g0/0
ip address 8.8.8.254 255.255.255.0
no shutdown
exit
interface g0/1
ip address 1.1.1.1 255.255.255.0
no shutdown
exit
interface g0/2
ip address 2.2.2.1 255.255.255.0
no shutdown
exit
exit
write
MR
enable
configure terminal
hostname MR
interface g0/0
ip address 1.1.1.2 255.255.255.0
no shutdown
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interface g0/1
ip address 192.168.10.2 255.255.255.0
no shutdown
exit
interface g0/2
ip address 192.168.20.2 255.255.255.0
no shutdown
exit
exit
write
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enable
configure terminal
hostname BR
interface g0/0
ip address 2.2.2.2 255.255.255.0
no shutdown
exit
interface g0/1
ip address 192.168.20.3 255.255.255.0
no shutdown
exit
interface g0/2
ip address 192.168.10.3 255.255.255.0
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no shutdown
exit
exit
write
msw
enable
configure terminal
hostname MSW
ip routing
exit
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bsw
enable
明成皇后电视剧configure terminal
hostname BSW
ip routing
并骨exit
write
SW1
enable
configure terminal
hostname SW1
exit
write
SW2
enable
configure terminal
hostname SW2
exit
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配置交换机VLAN
MSW
enable
configure terminal
vtp domain a
vtp password a
vtp mode rver
vlan 10
vlan 20
vlan 100
vlan 200
interfacevlan 10
ip address 192.168.10.253 255.255.255.0
exit
interfacevlan 20
ip address 192.168.20.253 255.255.255.0
exit
interfacevlan 100
ip address 192.168.100.253 255.255.255.0
exit
interfacevlan 200
ip address 192.168.200.253 255.255.255.0
exit
interface range f0/1-24
switchport mode access
switchport mode trunk
switchport trunk allowed vlan all
exit
interface g0/1
switchport mode access
switchport access vlan 10
exit
interface g0/2
switchport mode access
switchport access vlan 20
exit
exit
write
BSW
enable
configure terminal
vtp domain a
vtp password a
vtp mode client赣州地区
interfacevlan 10
ip address 192.168.10.252 255.255.255.0
exit
interfacevlan 20
ip address 192.168.20.252 255.255.255.0
exit
interfacevlan 100
ip address 192.168.100.253 255.255.255.0
exit
interfacevlan 200
ip address 192.168.200.253 255.255.255.0
exit
interface range f0/1-24
switchport mode access
switchport mode trunk
switchport trunk allowed vlan all
exit
interface g0/1
switchport mode access
switchport access vlan 20
exit
interface g0/2
switchport mode access
switchport access vlan 10
exit
exit
write
SW1
enable
