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2 sua (single user account) versus nat, 3 nat general setup, Table 39 nat mapping types – ZyXEL Communications P-2802H(W)(L)-I Series User Manual

Page 120

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Chapter 9 Network Address Translation (NAT) Screens

P-2802H(W)(L)-I Series User’s Guide

120

The following table summarizes these types.

9.2 SUA (Single User Account) Versus NAT

SUA (Single User Account) is a ZyNOS implementation of a subset of NAT that supports two
types of mapping, Many-to-One and Server. The ZyXEL Device also supports Full
Feature
NAT to map multiple global IP addresses to multiple private LAN IP addresses of
clients or servers using mapping types as outlined in

Table 39 on page 120

.

• Choose SUA Only if you have just one public WAN IP address for your ZyXEL Device.
• Choose Full Feature if you have multiple public WAN IP addresses for your ZyXEL

Device.

9.3 NAT General Setup

"

You must create a firewall rule in addition to setting up SUA/NAT, to allow
traffic from the WAN to be forwarded through the ZyXEL Device.

Click Network > NAT to open the following screen.

Table 39 NAT Mapping Types

TYPE

IP MAPPING

One-to-One

ILA1ÅÆ IGA1

Many-to-One (SUA/PAT)

ILA1ÅÆ IGA1
ILA2ÅÆ IGA1

Many-to-Many Overload

ILA1ÅÆ IGA1
ILA2ÅÆ IGA2
ILA3ÅÆ IGA1
ILA4ÅÆ IGA2

Many-to-Many No Overload

ILA1ÅÆ IGA1
ILA2ÅÆ IGA2
ILA3ÅÆ IGA3

Server

Server 1 IPÅÆ IGA1
Server 2 IPÅÆ IGA1
Server 3 IPÅÆ IGA1