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25 | Selecting a Deployment Scenario
Selecting a Deployment Scenario
Before continuing, select a deployment scenario that best fits your network scheme. Reference the table below and the diagrams on the
following pages for help in choosing a scenario.
• Scenario A: NAT/Route Mode Gateway - page 26
• Scenario B: State Sync Pair in NAT/Route Mode - page 27
• Scenario C: L2 Bridge Mode - page 28
Current Gateway Configuration New Gateway Configuration Use Scenario
No gateway appliance Single NSA appliance as a primary gateway.
A - NAT/Route Mode Gateway
Pair of NSA appliances for high availability.
B - NAT with State Sync Pair
Existing Internet gateway appliance NSA appliance as replacement for an existing
gateway appliance.
A - NAT/Route Mode Gateway
NSA appliance in addition to an existing gateway
appliance.
C - L2 Bridge Mode
Existing Dell SonicWALL gateway appliance NSA appliance in addition to an existing Dell
SonicWALL gateway appliance.
B - NAT with State Sync Pair
A
E5500
Network Security Appliance
SonicPoint
B
E5500
Network Security Appliance
E5500
Network Security Appliance
E5500
Network Security Appliance
SonicPoint
C