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Scenario C: L2 Bridge Mode
For network installations where the Dell SonicWALL NSA
E8510 is running in tandem with an existing network gateway.
In this scenario, the original gateway is maintained. The Dell
SonicWALL NSA E8510 is integrated seamlessly into the
existing network, providing the benefits of deep packet
inspection and comprehensive security services on all network
traffic.
L2 Bridge Mode employs a secure learning bridge architecture,
enabling it to pass and inspect traffic types that cannot be
handled by many other methods of transparent security
appliance integration. Using L2 Bridge Mode, a Dell SonicWALL
appliance can be non-disruptively added to any Ethernet
network to provide in-line deep-packet inspection for TCP and
UDP traffic.
To set up this scenario, follow the steps covered in:
• Initial Setup - page 31
• Configuring L2 Bridge Mode - page 44
• Additional Deployment Configuration - page 46
Note: Be sure to follow the steps in the Initial Setup section,
on page 31 before completing L2 Bridge Mode setup.
SonicWALL NSA E-Class
LAN Zone
Third Party Gateway
WLAN Zone
L2 Bridge Link
C
E8510
Network Security Appliance
10GE
SonicPoint
Internet or
LAN Segment 2