Chapter 5 Managing Traffic
ZyWALL USG 20-2000 User’s Guide
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4 Click the General tab, enable device HA, and click Apply.
5.4.4 Configure the Backup ZyWALL
1 Connect a computer to ZyWALL B’s LAN interface and log into its Web Configurator. Connect
ZyWALL B to the Internet and subscribe it to the same subscription services (like content filtering
and anti-virus) to which ZyWALL A is subscribed. See the Registration screens for more on the
subscription services.
2 In ZyWALL B click Configuration > Device HA > Active-Passive Mode and the LAN interface
Edit icon.
3 Configure 192.168.1.5 as the Manage IP and 255.255.255.0 as the Subnet Mask. Click OK.