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4 nat application, 5 nat mapping types, 4 nat application 10.1.5 nat mapping types – ZyXEL Communications 662HW Series User Manual

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Prestige 662H/HW Series User’s Guide

Chapter 10 Network Address Translation (NAT) Screens

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Figure 44 How NAT Works

10.1.4 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 45 NAT Application With IP Alias

10.1.5 NAT Mapping Types

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

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