NAT network address translation

NAt

network address translation

-subredes
-vlsm
-NAt
                                 router
nat: definir una red privada --------------- red publica


-NAT ------ip privadas
               10.x.x.x
               172.16.x.x
               192.x.x.x

   


NAt estatico

1 ip publica  --- 1 ip privada

NAt dinamico x pool + acl
1 ip publica ------ 1 ip privada

PAT(port address translation)

PAT(NAT) dinamico + ACL

1 ip publica --- "n" ip privadas

int fastethernet x/y

ip nat inside

ip address xxyyxx 

inside 

int serial x/y

ip nat outside

ip address xxyyvv

outside

ip route 200.xx.xx.xx yy0y00y0y int fast x/y

router ospf 1

redistribuited statics submits

no network 10.1.x.x