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4 nat application, Figure 136 how nat works, Wan lan – ZyXEL Communications NBG410W3G User Manual

Page 227: Internet

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Chapter 12 Network Address Translation (NAT)

NBG410W3G Series User’s Guide

227

Figure 136 How NAT Works

12.1.4 NAT Application

The following figure illustrates a possible NAT application, where three inside LANs (logical
LANs using IP Alias) behind the ZyXEL Device can communicate with three distinct WAN
networks. More examples follow at the end of this chapter.

192.168.1.13

192.168.1.10

192.168.1.11

192.168.1.12

SA

192.168.1.10

SA

IGA1

Inside Local

IP Address

192.168.1.10
192.168.1.11
192.168.1.12
192.168.1.13

Inside Global
IP Address
IGA 1
IGA 2
IGA 3
IGA 4

NAT Table

Internet

WAN

LAN

Inside Local
Address (ILA)

Inside Global
Address (IGA)

See also other documents in the category ZyXEL Communications Hardware: