Dell SonicWALL NSA 6600, Getting Started Manual

Page: 31 / 57

Advanced Deployment Scenarios | 29
Scenario C: L2 Bridge Mode
For network installations where the Dell SonicWALL NSA 6600
is running in tandem with an existing network gateway.
In this scenario, the original gateway is maintained. The Dell
SonicWALL NSA 6600 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
security 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:
•
Configuring L2 Bridge Mode, page 37
Dell SonicWALL NSA Appliance
LAN Zone
Third Party Gateway
WLAN Zone
L2 Bridge Link
C
SonicWALL NSA 6600
CONSOLE
SDHC
MGMT X19 X17
X16 X14 X12 X10 X8 X6 X4
1GE 1GE 10GE
BYPASS
STATUS
X2 X0
X1 X3 X5 X7 X9 X11 X13 X15
X18
M0
ALARM
TEST
PWR
SonicPoint
Internet or
LAN Segment 2
NSA_6600_GSG.book Page 29 Wednesday, April 3, 2013 4:52 PM