Cisco ASA 5505 User Manual

Page 592

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30-10

Cisco ASA 5500 Series Configuration Guide using the CLI

Chapter 30 Configuring Network Object NAT

Configuring Network Object NAT

Configuring Static NAT or Static NAT-with-Port-Translation

This section describes how to configure a static NAT rule using network object NAT. For more
information, see the

“Static NAT” section on page 29-3

.

Detailed Steps

Command

Purpose

Step 1

(Optional)

Network object:

object network

obj_name

{host ip_address |

subnet

subnet_address netmask |

range

ip_address_1 ip_address_2}

Network object group:

object-group network

grp_name

{network-object {object net_obj_name |

subnet_address netmask |

host

ip_address} |

group-object

grp_obj_name}

Example:

hostname(config)# object network

MAPPED_IPS

hostname(config-network-object)# subnet

10.1.1.0 255.255.255.0

To specify the mapped addresses (that you want to translate to),
configure a network object or network object group. A network
object group can contain objects and/or inline addresses.
Alternatively, you can skip this step if you want to enter the
IP addresses as an inline value for the nat command or if you want
to use the interface address (for static NAT-with-port-translation)
by specifying the interface keyword.

See the

“Guidelines and Limitations” section on page 30-2

for

information about disallowed mapped IP addresses.

For more information about configuring a network object or
group, see the

“Configuring Objects” section on page 13-3

.

Step 2

object network

obj_name

Example:

hostname(config)# object network

my-host-obj1

Configures a network object for which you want to configure
NAT, or enters object network configuration mode for an existing
network object.

Step 3

{host ip_address | subnet subnet_address

netmask | range ip_address_1 ip_address_2}

Example:

hostname(config-network-object)# subnet

10.2.1.0 255.255.255.0

If you are creating a new network object, defines the real IP
address(es) that you want to translate.

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