User's Manual
Table Of Contents
- Contents Overview
- Table of Contents
- Introduction
- Introducing the Web Configurator
- Internet / Wireless Setup Wizard
- Tutorials
- 4.1 Overview
- 4.2 Setting Up Your DSL Connection
- 4.3 IPv6 Address Configuration
- 4.4 Setting Up a Secure Wireless Network
- 4.5 Configuring the MAC Address Filter for Restricting Wireless Internet Access
- 4.6 Setting Up NAT Forwarding for a Game Server
- 4.7 Configuring Firewall Rules to Allow a Specified Service
- 4.8 Configuring Static Route for Routing to Another Network
- 4.9 Port Binding Configuration
- 4.10 Configuring QoS to Prioritize Traffic
- 4.11 Access the AMG1302/AMG1202-TSeries from the Internet Using DDNS
- Connection Status and System Info Screens
- Broadband
- Wireless LAN
- Home Networking
- Static Route
- Quality of Service (QoS)
- Network Address Translation (NAT)
- Port Binding
Chapter 11 Network Address Translation (NAT)
AMG1302/AMG1202-TSeries User’s Guide
158
Figure 72 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 73 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)