Nat Application; Nat Mapping Types - ZyXEL Communications AMG1302-T series User Manual

Chapter 11 Network Address Translation (NAT)
Figure 71 How NAT Works
LAN
192.168.1.12
192.168.1.11

11.5.4 NAT Application

The following figure illustrates a possible NAT application, where three inside LANs (logical LANs
using IP alias) behind the AMG1302/AMG1202-TSeries can communicate with three distinct WAN
networks.
Figure 72 NAT Application With IP Alias

11.5.5 NAT Mapping Types

NAT supports five types of IP/port mapping. They are:
158
192.168.1.13
SA
192.168.1.10
Inside Local
Address (ILA)
192.168.1.10
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)
AMG1302/AMG1202-TSeries User's Guide
WAN