Device Ha; Overview; What You Can Do In The Device Ha Screens; What You Need To Know About Device Ha - ZyXEL Communications ZyWall USG 2000 User Manual

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H A P T E R

36.1 Overview

Device HA lets a backup ZyWALL (B) automatically take over if a master ZyWALL
(A) fails.
Figure 401 Device HA Backup Taking Over for the Master

36.1.1 What You Can Do in the Device HA Screens

• Use the General screen
global settings, and see the status of each interface monitored by device HA.
• Use the Active-Passive Mode screens
active-passive mode device HA. You can configure general active-passive mode
device HA settings, view and manage the list of monitored interfaces, and
synchronize backup ZyWALLs.
• Use the Legacy Mode screens
device HA. You can configure general legacy mode HA settings including link
monitoring, configure the VRRP group settings and synchronize backup
ZyWALLs.

36.1.2 What You Need to Know About Device HA

Active-Passive Mode and Legacy Mode
• Active-passive mode lets a backup ZyWALL take over if the master ZyWALL
fails.
ZyWALL USG 2000 User's Guide
A
B
(Section 36.2 on page 597) to configure device HA
(Section 36.3 on page
(Section 36.5 on page
36

Device HA

598) to use
604) to use legacy mode
595