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Configuration Changes
Configuration changes for the High Availability pair can be made on the primary or the
backup SonicWALL. The primary and backup SonicWALL appliances are accessible from
their unique IP addresses. A label indicates which SonicWALL appliance is accessed.
Note: If you change the IP address of either SonicWALL, synchronization cannot occur
between the two SonicWALLs without updating the changes manually in the High
Availiability configuration.
High Availability Status
If failure of the primary SonicWALL occurs, the backup SonicWALL assumes the
primary SonicWALL LAN and WAN IP Addresses. There are three primary methods to
check the status of the High Availability pair: the High Availability Status window,
E-mail Alerts and View Log. These methods are described in the following sections.
High Availability Status Window
One method to determine which SonicWALL is active is to check the High Availability
status page for the High Availability pair. To view the High Availability status window,
iyou can log into the primary or backup SonicWALL LAN IP Address. Click High
Availability on the left side of the browser window and then click Configure at the
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