SonicWALL SuperMassive 9200 Getting Started Manual page 44

7 To enable logical monitoring or probing, select the
Logical / Probe IP Address checkbox and enter the IP
address of the target host.
8 Click OK.
You can repeat these steps to configure monitoring on other
interfaces.
For more information regarding the optional settings, see the
SonicOS Administration Guide.
Configuring Optional HA Settings
The following settings are optional.
To configure optional settings on the High Availability >
Settings page, General tab:
1 To backup the firmware and settings when you upgrade
the firmware version, select the Generate/Overwrite
Backup Firmware and Settings When Upgrading
Firmware checkbox.
2 SonicWall does not recommend enabling the Enable
Preempt Mode checkbox when using Stateful High
Availability.
3 Select the Enable Virtual MAC checkbox to allow the
Primary and Secondary appliances to share a single
44 SonicWall SuperMassive 9200/9400/9600 Getting Started Guide
MAC address. This simplifies the process of updating
network ARP tables and caches when a failover occurs.
Only the WAN switch that the two appliances are
connected to needs to be notified. All outside devices
will continue to route to the single shared MAC address.
4 Click Apply to save any of the settings on this page.
Configuring HA Advanced Settings
The settings on the High Availability > Advanced page are
optional.
To configure optional settings on the High Availability >
Advanced page:
1 Adjust the Heartbeat Interval to control how often the
two units communicate. The default and recommended
minimum is 1000 milliseconds.
2 The Failover Trigger Level sets the number of
heartbeats that can be missed before failing over.
SonicWall recommends leaving this field at its default
setting, and tuning it later if needed.
3 Set the Probe Interval for the interval in seconds
between communication with upstream or
downstream systems. The recommended setting is an
interval of at least 5 seconds. You can set the Probe IP