NAT地址转换

静态NAT：

ip nat inside

ip nat outside

ip nat inside source static lolal grobal

 

动态NAT：

ip nat inside

ip nat outside

ip nat pool ？start end (公网地址){netmark netmark|prefix-length ?}

access-list ? permit source-ip(私网地址) wildcard

ip nat inside source list ? pool ?

 

PAT：

0~511，512~1023，1024~65535 (overload)

ip nat inside

ip nat outside

access-list ? permint source-ip wildcard

ip nat inside source list ? interface ?(本地全局地址)overload=

 

 

ip nat inside source list ? pool ? overload

例 ip nat pool ? 209.165.201.2 209.165.201.2 netmask 255.255.255.224

 

检查NAT，PAT

show ip nat statistics排错

show ip nat translations

debug ip nat

clear ip nat translation * 清除所有动态NAT转换条目

clear ip nat translation inside global_ip local_ip{outside local_ip global_ip}  清除某一条动态转换条目

clear ip nat translation protocol inside global_ip global_port local_ip local_port{outside local_ip local_port global_ip global_port}清除扩展动态条目

 

 

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