ZyXEL Communications 50 User Manual

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ZyWALL 50 Internet Security Gateway 
NAT   6-3 
 
Figure 6-1 How NAT Works 
6.1.4 NAT Application 
The following figure illustrates a possible NAT application, where three inside LANs (logical LANs using 
IP Alias) behind the ZyWALL can communicate with three distinct WAN networks. More examples follow 
at the end of this chapter.