ZyWALL User's Guide

Chapter 6 Tutorials
ZyWALL USG 100/200 Series User’s Guide
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Figure 112 Firewall > Add
4 Configure an address object for the ZyWALL’s 10.0.0.8 WAN IP address as follows and
click OK.
Figure 113 Object > Address > Add
5 Configure the screen as follows and click OK.
Figure 114 Firewall > WAN to LAN > Add
Now people can call the H.323 device through the Internet.
6.9 How to Use Device HA
Here is an example of using device HA (High Availability) to backup ZyWALL A (the
master) with ZyWALL B. ZyWALL B automatically takes over all of A’s functions if A fails
or loses its lan1 or wan1 connection.