Configure The Backup Zywall - ZyXEL Communications ZyWALL USG Series Application Note

Click the General tab, enable device HA, and click Apply.
4

4.4.4 Configure the Backup ZyWALL

Connect a computer to ZyWALL B's LAN interface and log into its Web Configurator . Connect ZyWALL
1
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.
In ZyWALL B click Configuration > Device HA > Active-Passive Mode and the LAN interface
2
Edit icon.
Configure 192.168.1.5 as the Manage IP and 255.255.255.0 as the Subnet Mask. Click OK.
3