SonicWALL NSA E6500 Getting Started Manual page 23

Scenario B: State Sync Pair in NAT/Route Mode
For network installations with two SonicWALL NSA E-Series B
appliances configured as a stateful synchronized pair for
SonicWALL NSA E-Class 2
SonicWALL
redundant high-availability networking.
HA / Failover Pair
E6500
In this scenario, one SonicWALL NSA E6500 operates as the
HA Link
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
Network Security Appliance
Internet
appliance can seamlessly switch to active mode without
dropping any connections if the primary device loses
connectivity.
Local Network
To set up this scenario, follow the steps covered in the Initial
Configuring a State Sync Pair in NAT/Route
Setup and the
Mode
- page 32 sections. If you have completed setup
procedures in those sections, continue to the Additional
section, on page 41
Deployment Configuration to complete
configuration.
Page 22 Selecting a Deployment Scenario