14.2.2 NAT Configuration
In the
Networking
->
NAT
->
NAT Configuration
menu you can exclude data from NAT
simply and conveniently as well as translate addresses and ports. For outgoing data traffic
you can configure various NAT methods, i.e. you can determine how an external host es-
tablishes a connection to an internal host.
14.2.2.1 New
Choose the
New
button to set up NAT.
The menu
Networking
->
NAT
->
NAT Configuration
->
New
consists of the following fields:
Field in the NAT ConfigurationBasic Parameters menu
Field
Description
Description
Enter a description for the NAT configuration.
Interface
Select the interface for which NAT is to be configured.
Possible values:
•
1)
(default value): NAT is configured for all interfaces.
•
A % B
: Select one of the interfaces from the
list.
Type of traffic
Select the type of data traffic for which NAT is to be configured.
Possible values:
•
%$ 3& *1+"
(default value): The data
traffic that comes from outside.
•
$$ -% *1+"
: Outgoing data traffic.
•
?%/$ 0 *1+"
: Data traffic excluded from
NAT.
NAT method
Only for
Type of traffic
=
$$ -% *1+"
.
Select the NAT method for outgoing data traffic. The starting
point for choosing the NAT method is a NAT scenario in which
an "internal" source host has initiated an IP connection to an "ex-
ternal" destination host over the NAT interface, and in which an
internally valid source address and internally valid source port
are translated to an externally valid source address and an ex-
14 Networking
Funkwerk Enterprise Communications GmbH
188
R1xxx/R3xxx/R4xxx
