Scenario B: Ha Pair In Nat/Route Mode; Additional Deployment Configuration - Page - SonicWALL NSA 240 Getting Started Manual

Scenario B: HA Pair in NAT/Route Mode

B
For network installations with two SonicWALL NSA 240
appliances configured as a stateful synchronized pair for
redundant high availability networking.
SonicWALL NSA 1
In this scenario, one SonicWALL NSA 240 operates as the
M0 X0 X1 X2 X3 X4 X5 X6 X7 X8
link/spd
activity NSA 240
primary gateway device and the other SonicWALL NSA 240 is
Internet
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
lan wan
dropping any connections if the primary device loses
connectivity.
To set up this scenario, complete the steps in the following
section. If you have completed setup procedures in those
sections, continue to the Additional Deployment Configuration -
page 47 to complete configuration.
Page 24 Scenario B: HA Pair in NAT/Route Mode