Zyxel-communications 5 Series Manual de usuario descargar pdf (Pagina 611)

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ZyWALL 5/35/70 Series User’s Guide

Chapter 42 Network Address Translation (NAT) 611

CHAPTER 42

Network Address Translation

(NAT)

This chapter discusses how to configure NAT on the ZyWALL.

42.1 Using NAT

Note: You must create a firewall rule in addition to setting up SUA/NAT, to allow

traffic from the WAN to be forwarded through the ZyWALL.

42.1.1 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. See Section 42.2.1 on page 614 for a detailed

description of the NAT set for SUA. The ZyWALL also supports Full Feature NAT to map

multiple global IP addresses to multiple private LAN IP addresses of clients or servers using

mapping types.

Note: Choose SUA Only if you have just one public WAN IP address for your

ZyWALL.

Choose Full Feature if you have multiple public WAN IP addresses for your

ZyWALL.

42.1.2 Applying NAT

You apply NAT via menus 4 or 11.1.2 as displayed next. The next figure shows you how to

apply NAT for Internet access in menu 4. Enter 4 from the main menu to go to Menu 4 -

Internet Access Setup.

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Zyxel-communications 5 Series Manual de usuario Pagina 611

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