Dell SonicWALL NSA 6600 Getting Started Manual page 30

NSA_6600_GSG.book Page 28 Wednesday, April 3, 2013 4:52 PM
Scenario B: Stateful HA Pair
For network installations with two Dell SonicWALL NSA 6600
appliances configured as a stateful synchronized pair for
redundant High Availability (HA) networking.
In this scenario, one NSA 6600 operates as the Primary
gateway device and the other NSA 6600 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:
• Configuring a Stateful HA Pair, page 31
28 | Advanced Deployment Scenarios
B
Dell SonicWALL
HA/Failover Pair
SonicWALL NSA 6600
HA Data Link
10GE 1GE 1GE
X18 X16 X14 X12 X10 X8 X6 X4 X2 X0
SDHC
M0
BYPASS
ALARM STATUS
TEST
PWR
SonicWALL NSA 6600 X19 X17 X15 X13 X11 X9 X7 X5 X3 X1
CONSOLE MGMT
Dell SonicWALL NSA Appliance 1
Local Network
Dell SonicWALL NSA Appliance 2
10GE 1GE 1GE
X18 X16 X14 X12 X10 X8 X6 X4 X2 X0
SDHC
M0
BYPASS
ALARM STATUS
TEST
PWR
X19 X17 X15 X13 X11 X9 X7 X5 X3 X1
CONSOLE MGMT
HA Control Link
Internet