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 AR1配置

interface GigabitEthernet0/0/0
 ip address 192.168.1.254 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 100.1.12.254 255.255.255.0 
#
ip route-static 0.0.0.0 0.0.0.0 100.1.12.1

 AR2配置

interface GigabitEthernet0/0/0
 ip address 100.1.12.1 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 100.1.2.254 255.255.255.0 
#
ip route-static 200.1.12.0 255.255.255.0 100.1.12.254
#

五种nat配置前面相同

静态配置

[AR1-GigabitEthernet0/0/1]nat static global 200.1.12.1 inside 192.168.1.1

 效果

NAPT配置

#
acl number 2000  
 rule 5 permit source 192.168.1.0 0.0.0.255 
#
 nat address-group 1 200.1.12.1 200.1.12.6
#
interface GigabitEthernet0/0/1
 ip address 100.1.12.254 255.255.255.0 
 nat outbound 2000 address-group 1 

 效果

动态nat

#
acl number 2000  
 rule 5 permit source 192.168.1.0 0.0.0.255 
#
 nat address-group 1 200.1.12.1 200.1.12.6
#
interface GigabitEthernet0/0/1
 ip address 100.1.12.254 255.255.255.0 
 nat outbound 2000 address-group 1 no-pat

效果

Easy IP

acl number 2000  
 rule 5 permit source 192.168.1.0 0.0.0.255 
#

interface GigabitEthernet0/0/1
 ip address 100.1.12.254 255.255.255.0 
 nat outbound 2000
#

效果

nat server

AR1配置

出口g0/0/1路由配置
nat server protocol tcp global 200.1.12.6 ftp inside 192.168.1.3 ftp


系统视图配置
nat alg ftp enable

开启ftp服务

 实验效果