ZyXEL p-2602r-d1a Manual Do Utilizador

P-2602R/RL-DxA Series User’s Guide

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Chapter 9 Network Address Translation (NAT) Screens

Port numbers do NOT change for One-to-One and Many-to-Many No Overload NAT 
mapping types. 

The following table summarizes these types.

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 

• 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.

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 30   NAT Mapping Types

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