ZyXEL Communications P-660R-Tx v2 Series Network Router User Manual


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P-660R-Tx v2 Series User’s Guide
Chapter 7 Network Address Translation (NAT) Screens 68
Figure 23 How NAT Works
7.1.4 NAT Application
The following figure illustrates a possible NAT application, where three inside LANs (logical
LANs using IP Alias) behind the ZyXEL Device can communicate with three distinct WAN
networks. More examples follow at the end of this chapter.
Figure 24 NAT Application With IP Alias
7.1.5 NAT Mapping Types
NAT supports five types of IP/port mapping. They are:
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