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4 nat application, 5 nat mapping types, 4 nat application 8.1.5 nat mapping types – ZyXEL Communications ADSL VoIP IAD with 802.11g Wireless 2602HW Series User Manual

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Prestige 2602HW Series User’s Guide

Chapter 8 Network Address Translation (NAT) Screens

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Figure 40 How NAT Works

8.1.4 NAT Application

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

Figure 41 NAT Application With IP Alias

8.1.5 NAT Mapping Types

NAT supports five types of IP/port mapping. They are: