Scenario b: state sync pair in nat/route mode – SonicWALL EClass NSA E6500 User Manual

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Selecting a Deployment Scenario

Scenario B: State Sync Pair in NAT/Route Mode

For network installations with two SonicWALL NSA E-Series
appliances configured as a stateful synchronized pair for
redundant high-availability networking.
In this scenario, one SonicWALL NSA E6500 operates as the
primary gateway device and the other SonicWALL NSA E6500
is in passive mode. All network connection information is
synchronized between the two devices so that the backup
appliance can seamlessly switch to active mode without
dropping any connections if the primary device loses
connectivity.

To set up this scenario, follow the steps covered in the

Initial

Setup

and the

Configuring a State Sync Pair in NAT/Route

Mode

- page 32

sections. If you have completed setup

procedures in those sections, continue to the

Additional

Deployment Configuration

section, on page 41