ZyWALL 5/35/70 Series User’s Guide

Figure 177 How NAT Works

22.1.4 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.

Figure 178 NAT Application With IP Alias

Chapter 22 Network Address Translation (NAT)

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