High Availability
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SonicOS 5.8.1 Administrator Guide
To configure the settings on the High Availability > Settings page:
Step 1 Login as an administrator to the SonicOS user interface on the Primary SonicWALL.
Step 2 In the left navigation pane, navigate to High Availability > Settings. See “Verifying High
Availability Status” on page 1169 for a description of the fields listed in th
e High Availability
Status table.
Step 3 Select the Enable High Availability checkbox.
Step 4 Under SonicWALL Address Settings, type in the serial number for the Backup SonicWALL
appliance. You can find the serial number on the back of the SonicWALL security appliance, or
in the System > Status screen of the Backup unit. The serial number for the Primary
SonicWALL is automatically populated.
Step 5 When finished with all High Availability configuration, click Accept. All settings will be
synchronized to the Idle unit, and the Idle unit will reboot.