Cisco IOS in a Nutshell, 2nd Edition

Name

ip nat inside source — global

Synopsis

ip nat inside source {list access-list | route-map name}
{interface interface-name | pool pool-name} [overload]
no ip inside source {list access-list] pool pool-name [overload]

ip nat inside source static local-ip global-ip
no ip nat inside source static local-ip global-ip

Configures

Enables NAT for inside source IP addresses

Default

None

Description

This command enables the mapping of internal (inside) source addresses to global 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. You can use an access list number or name.

route-map name

Specifies a named route map.

interface interface-name

Specifies the name of an interface to be used for selecting the global IP address.

pool pool-name

The name of an address pool to be used for selecting global IP addresses.

overload

Optional. Allows many local IP addresses to share a few global IP addresses by multiplexing the ports.

static local-ip global-ip

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