Chapter 41 Device HA
ZyWALL/USG Series User’s Guide
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41.4 The Active-Passive Mode Screen
Virtual Router
The master and backup ZyWALL/USG form a single ‘virtual router’. In the following example,
master ZyWALL/USG A and backup ZyWALL/USG B form a virtual router.
Figure 486 Virtual Router
Password Type a synchronization password of between 1 and 32 single-byte printable
characters. You will be prompted for the password before synchronization takes
place.
Retype to Confirm Type the exact same synchronization password as typed above.
Heartbeat Interval Type the number of seconds (1-10) allowed for absence of a heartbeat signal
before a failure of the active ZyWALL/USG is recorded.
Heartbeat Lost Tolerance Type the number of heartbeat failures allowed before failover is activated on the
passive ZyWALL/USG.
Monitor Interface Select an interface in Available Interfaces and click the right-arrow button to
move it to Monitor Interface to become a Device HA pro monitored interface.
To remove a Device HA pro monitored interface, select it in Monitor Interface
and click the left-arrow button to move it to Available Interfaces.
Failover Detection
Enable Failover When
Interface Failure (Option)
Select this to have the passive ZyWALL/USG take over when a monitored
interface fails.
Enable Failover When
Device Service Fails
(Option)
Select this to have the passive ZyWALL/USG take over when a monitored service
daemon on the active ZyWALL/USG fails.
Apply & switch to Device
HA Pro
Click Apply to save your changes back to the ZyWALL/USG and change the
ZyWALL/USG to begin using Device HA Pro from Device HA (general) if it isn’t
already. You need a Device HA Pro license registered at MyZyXEL.com to do this.
Apply Click Apply to save your Device HA Pro configurations back to the ZyWALL/USG
but keep the ZyWALL/USG using Device HA (general).
Reset Click Reset to return the screen to its last-saved settings.
Table 275 Configuration > Device HA > Device HA Pro (continued)
LABEL DESCRIPTION
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