ZyXEL P-202H User Guide - Page 215
Network Address Translation
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P-202H Plus v2 User's Guide CHAPTER 23 Network Address Translation (NAT) This chapter discusses how to configure NAT on the ZyXEL Device. 23.1 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 ZyXEL Device. 23.1.1 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 23.3.1 on page 216 for a detailed description of the NAT set for SUA. 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. Note: 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. 23.2 Applying NAT You apply NAT via menus 4 or 11.3 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. Chapter 23 Network Address Translation (NAT) 214
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