Fortinet Technologies Inc. Page 56 FortiVoice Enterprise Phone System 4.0.0 Administration Guide
Synchronization after a failover
During normal operation, extensions are in one of two states:
• registered and idle
• active call
When a failover occurs, active calls are interrupted and users have to reinitiate the calls.
However, registered idle extensions can still make and receive phone calls without being
affected.
When a failover is corrected, one of the following occurs automatically:
1. The secondary unit detects the failure of the primary unit, and becomes the new primary
unit.
2. The former primary unit restarts, detects the new primary unit, and becomes a secondary
unit.
How to use HA
In general, to enable and configure HA, you should perform the following:
Interface
configuration
Each FortiVoice unit in the HA group must be configured with different
network interface settings for connectivity purposes. For details, see
“Configuring the network interfaces” on page 40.
Exceptions include some active-passive HA settings which affect the
interface configuration for failover purposes. These settings are
synchronized.
Main HA
configuration
The main HA configuration, which includes the HA mode of operation
(such as master or slave), is not synchronized because this configuration
must be different on the primary and secondary units. For details, see
“Configuring the HA mode and group” on page 60.
HA service
monitoring
configuration
In active-passive HA, the HA service monitoring configuration is not
synchronized. The remote service monitoring configuration on the
secondary unit controls how the secondary unit checks the operation of
the primary unit. The local services configuration on the primary unit
controls how the primary unit tests the operation of the primary unit. For
details, see “Configuring service-based failover” on page 66.
Note: You might want to have a different service monitoring configuration
on the primary and secondary units. For example, after a failover you
may not want service monitoring to operate until you have fixed the
problems that caused the failover and have restarted normal operation of
the HA group.
System
appearance
The appearance settings you configured under System > Configuration >
Appearance are not synchronized.
Table 6: HA settings not synchronized
You may have to manually restart the failed primary unit.
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