实验需求:
1、配置基本NAT
2、配置easy IP 地址转换
3、地址映射
实验拓扑:

实验配置:
[ar1]int g0/0/0
[ar1-GigabitEthernet0/0/0]ip add 192.168.1.254 24
[ar1-GigabitEthernet0/0/0]un shu
[ar1]int g0/0/2
[ar1-GigabitEthernet0/0/2]ip add 100.1.1.254 24
[ar1-GigabitEthernet0/0/2]un shu
[ar1]interface GigabitEthernet 0/0/1
[ar1-GigabitEthernet0/0/1]ip add 200.1.1.254 24
[ar1-GigabitEthernet0/0/1]un shu
===================================
在接口下做基本NAT转换
[ar1]acl 2000
[ar1-acl-basic-2000]rule permit source 192.168.1.0 0.0.0.255
规则 允许 源 IP 匹配一个网段
[ar1]nat address-group 1 200.1.1.10 200.1.1.10
地址组 1 公用地址
[ar1]int g0/0/2
[ar1-GigabitEthernet0/0/2]nat outbound 2000 address-group 1
外接口 acl 2000 地址组 1
删除配置的ACL
[ar1-acl-basic-2000]undo rule 5
[ar1-GigabitEthernet0/0/2]undo nat outbound 2000 address-group 1
[ar1]un acl 2000
===================================================
在出接口配置easy IP 地址转换
[ar1]acl 2000
[ar1-acl-basic-2000]rule permit source 192.168.1.0 0.0.0.255
[ar1]int g0/0/2
[ar1-GigabitEthernet0/0/2]nat outbound 2000
删除配置的ACL
[ar1-GigabitEthernet0/0/2]undo nat outbound 2000
[ar1]undo acl 2000
====================================================================
服务器发布地址映射 注:映射的公有地址不能被占用
[ar1-GigabitEthernet0/0/0]nat server protocol tcp global 100.1.1.3 80 inside 192.
168.1.1 80 服务器 协议 TCP 全球 公网地址 内网 映射地址 内接口
[ar1-GigabitEthernet0/0/0]nat server protocol tcp global 100.1.1.3 www inside 19
2.168.1.1 www
================================================================================
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