Dell NSA E5500 Getting Started Manual page 25

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.
Current Gateway Configuration
No gateway appliance
Existing Internet gateway appliance
Existing SonicWALL gateway appliance
A
Network Security Appliance
• Scenario A: NAT/Route Mode Gateway
• Scenario B: State Sync Pair in NAT/Route Mode
• Scenario C: L2 Bridge Mode
25 | Selecting a Deployment Scenario
New Gateway Configuration
Single SonicWALL NSA as a primary gateway.
Pair of SonicWALL NSA appliances for high
availability.
SonicWALL NSA as replacement for an existing
gateway appliance.
SonicWALL NSA in addition to an existing
gateway appliance.
SonicWALL NSA in addition to an existing
SonicWALL gateway appliance.
B
E5500
Network Security Appliance
- page 26
- page 27
- page 28
Use Scenario
A - NAT/Route Mode Gateway
B - NAT with State Sync Pair
A - NAT/Route Mode Gateway
C - L2 Bridge Mode
B - NAT with State Sync Pair
Network Security Appliance E5500
E5500
C
Network Security Appliance E5500