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SONICWALL SONICOS ENHANCED 2.5 ADMINISTRATOR’S GUIDE
C
HAPTER
37:
Setting Up Hardware Failover
Intial Hardware Failover Setup
Before you begin the configuration of Hardware Failover on the Primary SonicWALL security
appliance, perform the following intial setup procedures.
• On the back of the Backup SonicWALL security appliance, local the serial number and write the
number down. You need to enter this number in the Hardware Failover>Settings page.
• Check to make sure the Primary SonicWALL and Backup SonicWALL security appliances are
registered, running the same SonicOS Enhanced versions, and running the same SonicWALL
Security Security services.
• Make sure Primary SonicWALL and Backup SonicWALL security appliance’s LAN, WAN, and
other interfaces are properly configured for seamless failover.
• Connect the X5 ports on the Primary SonicWALL and Backup SonicWALL appliances with a
CAT6-rated crossover cable. The Primary and Backup SonicWALL security appliances must have
a dedicated connection between each other using the X3 (PRO2040) or X5 (PRO3060/4060/5060)
interface. SonicWALL recommends cross-connecting the two together using a CAT5/6 crossover
Ethernet cable, but a connection using a dedicated 100Mbps hub/switch is also acceptable.
• Power up the Primary SonicWALL security appliance, and then power on the Backup SonicWALL
security appliance.
• Do not make any configuration to the Primary’s X3 (PRO 2040) or X5 (PRO 3060/4060/5060)
interface; the Hardware Failover programming in an upcoming step takes care of this issue. When
done, disconnect the workstation.