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Configuring a Stateful HA Pair | 37
NAT policies allow the flexibility to control Network Address
Translation based on matching combinations of Source IP
address, Destination IP address, and Destination Services.
Policy-based NAT allows you to deploy different types of NAT
simultaneously.
For configuration procedures and information regarding the
different types of NAT policies, such as Many-to-One, One-to-
One, or One-to-Many Load Balancing, refer to the SonicOS
Administrator’s Guide.
Configuring a Stateful HA Pair
This section provides instructions for configuring a pair of Dell
SonicWALL NSA appliances for Stateful High Availability (HA).
This section is relevant to administrators following deployment
Scenario B.
A Stateful HA pair operates in NAT mode by default, similar to
Scenario A, with the added benefit of high availability.
See the following sections:
• "Initial High Availability Setup" on page 38
• "Configuring High Availability Settings" on page 38
• "Configuring HA Monitoring Settings" on page 39
• "Configuring Optional HA Settings" on page 40
• "Configuring HA Advanced Settings" on page 40
• "HA License Configuration Overview" on page 41
• "Completing HA Pair Association" on page 41
• "Verifying High Availability Setup" on page 42