Chapter 23 Network Address Translation (Nat); Introduction; Applying Nat; Figure 23-1 Menu 4 Internet Access Setup - ZyXEL Communications ZyAIR Wireless Gateway Series User Manual

Network Address Translation (NAT)

23.1 Introduction

NAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP address of a host in a
packet, for example, the source address of an outgoing packet, used within one network to a different IP
address known within another network.

23.1.1 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.
The following figure shows how you apply NAT to the remote node in menu 11.1.
Step 1. Enter 11 from the main menu.
Step 2. Move the cursor to the Edit IP field, press [SPACE BAR] to select Yes and press [ENTER] to
bring up Menu 11.3 - Remote Node Network Layer Options.
NAT
This chapter discusses how to configure NAT on the ZyAIR.
Menu 4 - Internet Access Setup
ISP's Name= ChangeMe
Encapsulation= Ethernet
Service Type= Standard
My Login= N/A
My Password= N/A
Login Server= N/A
IP Address Assignment= Dynamic
IP Address= N/A
IP Subnet Mask= N/A
Gateway IP Address= N/A
Network Address Translation= Full Feature
Press ENTER to Confirm or ESC to Cancel:

Figure 23-1 Menu 4 Internet Access Setup

ZyAIR Wireless Gateway Series User's Guide
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