ZyXEL Communications prestige 2602h series User Manual

Page of 550
Prestige 2602H/HW Series User’s Guide
Chapter 7 Network Address Translation (NAT) Screens
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Figure 45   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 Prestige can communicate with three distinct WAN 
networks. More examples follow at the end of this chapter.
Figure 46   NAT Application With IP Alias
7.1.5  NAT Mapping Types
NAT supports five types of IP/port mapping. They are: