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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 to complete
configuration.
SonicWALL NSA E-Class 2
B
E6500
Network Security Appliance
Local Network
SonicWALL
HA / Failover Pair
Internet
HA Link
NSA_E6500_GSG.book Page 22 Wednesday, June 17, 2009 7:16 PM