Nat Application; Figure 136 How Nat Works - ZyXEL Communications NBG410W3G User Manual

Figure 136 How NAT Works

LAN
192.168.1.12
192.168.1.11

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.
NBG410W3G Series User's Guide
192.168.1.13
SA
192.168.1.10
Inside Local
Address (ILA)
192.168.1.10
Chapter 12 Network Address Translation (NAT)
NAT Table
Inside Local Inside Global
IP Address
IP Address
192.168.1.10
IGA 1
192.168.1.11
IGA 2
192.168.1.12
IGA 3
192.168.1.13
IGA 4
SA
IGA1
Inside Global
Address (IGA)
WAN
Internet
227