Scenario B: State Sync Pair In Nat/Route Mode - SonicWALL NSA 2400 Getting Started Manual

Scenario B: State Sync Pair in NAT/Route Mode

For network installations with two SonicWALL NSA 2400
B
appliances configured as a stateful synchronized pair for
redundant high-availability networking.
SonicWALL NSA 1
In this scenario, one SonicWALL NSA 2400 operates as the
primary gateway device and the other SonicWALL NSA 2400 is
Network Security Appliance
2400
Internet HA Link
in passive mode. All network connection information is
SonicWALL NSA 2
synchronized between the two devices so that the backup
appliance can seamlessly switch to active mode without
Network Security Appliance
2400
dropping any connections if the primary device loses
connectivity.
To set up this scenario, follow the steps covered in the Initial
Setup - page 19 and the Configuring a State Sync Pair in NAT/
Route Mode - page 26 sections. If you have completed setup
procedures in those sections, continue to the Additional
Deployment Configuration - page 35 to complete configuration.
SonicWALL NSA 2400 Getting Started Guide Page 17