CISCO IOS in a Nutshell

Name

ip nat outside source — global

Synopsis

ip nat outside source [list access-list] pool pool-name
no ip nat outside source [list access-list] pool pool-name

ip nat outside source [list access-list] static global-ip 
               local-ip
no ip nat outside source [list access-list] static global-ip 
               local-ip
            

Configures

Enables NAT for outside source IP addresses

Default

None

Description

This command enables the mapping of external (outside) source addresses to internal addresses.

list access-list

Optional. Defines an access list for the translation. If an address is not blocked by the access list, it is translated.

pool pool-name

The name of the address pool for allocating global IP addresses.

static global-ip local-ip

A static mapping of a global IP address to a local IP address.