(一地址配置)

r1(config)#int f0/0

r1(config-if)#ip add 61.153.177.1 255.255.255.0

r1(config-if)#no shut

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

r1(config-if)#int f0/1

r1(config-if)#ip add 192.168.1.1 255.255.255.0

r1(config-if)#no shut

r1(config)#int s1/0

r1(config-if)#ip add 112.55.33.1 255.255.255.0

r1(config-if)#no shut

电信r1(config)#ip route 0.0.0.0 0.0.0.0 61.153.177.3

网通r1(config)#ip route 113.55.33.0 255.255.255.0 112.55.33.11

r1(config)#ip route 114.55.33.0 255.255.255.0 112.55.33.11

二(NAT配置)

r1(config)#int f0/0

r1(config-if)#ip nat outside

r1(config-if)#exi

r1(config)#int s1/0

r1(config-if)#ip nat outside

r1(config-if)#end

NAT地址池

r1(config)#ip nat pool wt 112.55.33.5 112.55.33.5 netmask 255.255.255.0

r1(config)#ip nat pool dx 61.153.177.2 61.153.177.2 netmask 255.255.255.0

配置两个route map

Route-map isp2 permit 10

Match ip address 100

Match int s1/0

Route-map isp1 permit 10

Match ip address 100

Match int f0/0

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