cisco设备NAT-适合初学者
PC1
ip 192.168.1.2/24 192.168.1.1
PC2
ip 192.168.2.3/24 192.168.2.1
PC3
ip 202.106.1.2/24 202.106.1.1
R3
conf t
int e1/0
ip add 192.168.1.2 255.255.255.0
ip nat inside
no shutdown
exit
int e1/1
ip add 192.168.2.1 255.255.255.0
ip nat inside
no shutdown
exit
int f0/0
ip add 202.106.0.1 255.255.255.0
ip nat outside
no shutdown
exit
ip route 202.106.1.0 255.255.255.0 202.106.0.2
exit
ip nat inside source static 192.168.1.2 202.106.0.3 //外网口外没有占用的主机地址都可以
ip nat inside source static 192.168.2.3 202.106.0.4
exit
exit
write
R1
conf t
int f0/0
ip add 202.106.0.2 255.255.255.0
no shutdown
exit
int f0/1
ip add 202.106.1.1 255.255.255.0
no shutdown
exit
ip route 202.106.0.0 255.255.255.0 202.106.0.1
exit
exit
write
验证：
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