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ZyXEL Communications ZyXEL ZyWALL 5 User Manual

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ZyWALL 5 User’s Guide

Chapter 4 LAN Screens

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When you use IP alias, you can also configure firewall rules to control access between the
LAN's logical networks (subnets).

Note: Make sure that the subnets of the logical networks do not overlap.

The following figure shows a LAN divided into subnets A, B, and C.

Figure 24 Physical Network & Partitioned Logical Networks

To change your ZyWALL’s IP alias settings, click LAN, then the IP Alias tab. The screen
appears as shown.

Figure 25 IP Alias