Multi-NAT 4-7
Server Lists and Dynamic NAT configuration
You use the advanced NAT feature sets by first defining a series of mapping rules and then grouping them into
a
list
. There are two kinds of lists --
map lists
, made up of dynamic, PAT and static mapping rules, and
ser ver
lists
, a list of internal ser vices to be presented to the external world. Creating these lists is a four-step process:
1.
Define the public range
of addresses that external computers should use to get to the NAT internal
machines. These are the addresses that someone on the Internet would see.
2.
Create a List name
that will act as a rule or ser ver holder.
3.
Create a
map
or rule
that specifies the internal range of NATed addresses and the external range they are
to be associated with.
4.
Associate the Map or Server List to your WAN interface
via a Connection Profile or the Default Profile.
The three NAT features all operate completely independently of each other, although they can be used
simultaneously on the same Connection Profile.
You can configure a simple 1-to-many PAT (often referred to simply as NAT) mapping using Easy Setup. More
complex setups require configuration using the
Network Address Translation
item on the IP Setup screen.
An example MultiNAT configuration at the end of this chapter describes some applications for these features.
See the
MultiNAT Configuration Example on page 4-30
.
In order to configure the Router to make ser vers on your LAN visible to the Internet, you use advanced features
in the System Configuration screens, described in
System Configuration
.
System Configuration
To access the Network Address translation (NAT) configuration screens, from the Main Menu navigate to
System Configuration:
Main
Menu
System
Configuration
Network Address
Translation (NAT)
Summary of Contents for Netopia Embedded Software
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