?Ë?Ú??ÓÃPAT

patµ??Ó?ÚµØÖ?

     172.16.18.0/24

     R1-----------------R2

     lo0 10.1.1.1 lo0 10.2.2.2

R1

     int s0/0

     ip nat outside

     int lo0

     ip nat inside

     ip nat inside source list nat interface Serial0/0 overload

     ip access-list extended nat

     permit ip 10.1.1.0 0.0.0.255 any

ÆÕÍ?pat

    R1

     int s0/0

     ip nat outside

     int lo0

     ip nat inside

     ip nat pool NAT 172.16.18.3 172.16.18.100 netmask 255.255.255.0

     ip nat inside source list nat pool NAT overload

     ip access-list extended nat

     permit ip 10.1.1.0 0.0.0.255 any

==============================================================================

??Ì?NAT

    R1

     ip nat inside source static 10.1.1.1 172.16.18.3

     int s0/0

     ip nat outside

     int lo0

     ip nat inside

     debug ip nat

     show ip nat translations

    Ó?Éä?Ë?Ú?ºip nat inside source static 10.1.1.1 1433 172.16.18.3 1433

==============================================================================

??Ì?NAT

    R1

     ip nat pool NAT 172.16.18.3 172.16.18.100 netmask 255.255.255.0

     ip nat inside source list nat pool NAT

     ip access-list extended nat

     permit ip 10.1.1.0 0.0.0.255 any

     int s0/0

     ip nat outside

     int lo0

     ip nat inside

==============================================================================