Chapter 26 Device Ha; Overview; What You Can Do In This Chapter; What You Need To Know - ZyXEL Communications 310 User Manual

26.1 Overview

Device HA lets a backup ZyWALL (B) automatically take over if the master ZyWALL (A) fails.
Figure 235 Device HA Backup Taking Over for the Master

26.1.1 What You Can Do in this Chapter

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

26.1.2 What You Need to Know

Active-Passive Mode
• Active-passive mode lets a backup ZyWALL take over if the master ZyWALL fails.
Management Access
You can configure a separate management IP address for each interface. You can use it to access
the ZyWALL for management whether the ZyWALL is the master or a backup. The management IP
address should be in the same subnet as the interface IP address.
Synchronization
Use synchronization to have a backup ZyWALL copy the master ZyWALL's configuration, and
certificates.
ZyWALL 110/310/1100 Series User's Guide
C
HAPTER
A
B
(Section 26.2 on page 360) to configure device HA global settings, and
(Section 26.3 on page
2 6
Device HA
361) to use active-passive mode
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