DELL NSA 5600 Manual De Usuario

34

   |   Advanced Deployment Scenarios  

For network installations with two Dell SonicWALL NSA 
appliance appliances configured as a stateful synchronized pair 
for redundant High Availability (HA) networking. 

In this scenario, one NSA appliance operates as the Primary 
gateway device and the other NSA appliance is in Idle mode. 
All network connection information is synchronized between the 
two devices so that the Secondary appliance can seamlessly 
switch to Active mode without dropping connections if the 
Primary device loses connectivity.

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

•

    

    

Dell SonicWALL 
HA/Failover Pair

Dell SonicWALL NSA Appliance 1

Dell SonicWALL NSA Appliance 2

HA Control Link

Local Network

Internet

HA Data Link