ZyXEL Communications AMG1302-T series - NAT Application; NAT Mapping Types

Chapter 11 Network Address Translation (NAT)
AMG1302/AMG1202-TSeries User’s Guide
158
Figure 71 How NAT Works
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:
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
WAN
LAN
Inside Local
Address (ILA)
Inside Global
Address (IGA)