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SonicWall High Availability
Increase Your Network Reliability

SonicWall High Availability

All SonicWall High Availability products can be found on their own individual product pages or purchase them below, more options can be found on individual product pages. Can't find the part you are looking for? Contact us today!



High Availability allows two identical SonicWall security appliances running SonicOS Enhanced to be configured to provide a reliable, continuous connection to the public Internet. One SonicWall device is configured as the Primary unit, and an identical SonicWall device is configured as the Backup unit. In the event of the failure of the Primary SonicWall, the Backup SonicWall takes over to secure a reliable connection between the protected network and the Internet. Two appliances configured in this way are also known as a High Availability Pair (HA Pair).

High Availability provides a way to share SonicWall licenses between two SonicWall security appliances when one is acting as a high availability system for the other. To use this feature, you must register the SonicWall appliances on MySonicWall as Associated Products. Both appliances must be the same SonicWall model.

Benefits of High Availability:

High Availability provides the following benefits:

How High Availability Works:

High Availability requires one SonicWall device configured as the Primary SonicWall, and an identical SonicWall device configured as the Backup SonicWall. During normal operation, the Primary SonicWall is in an Active state and the Backup SonicWall in an Idle state. If the Primary device loses connectivity, the Backup SonicWall transitions to Active mode and assumes the configuration and role of Primary, including the interface IP addresses of the configured interfaces. After a failover to the Backup appliance, all the pre-existing network connections must be re-established, including the VPN tunnels that must be re-negotiated.

The failover applies to loss of functionality or network-layer connectivity on the Primary SonicWall. The failover to the Backup SonicWall occurs when critical services are affected, physical (or logical) link failure is detected on monitored interfaces, or when the Primary SonicWall loses power. The Primary and Backup SonicWall devices are currently only capable of performing Active/Idle High Availability or Active/Active UTM – complete Active/Active high availability is not supported at present.

For SonicWall appliances that support PortShield, High Availability requires that PortShield is disabled on all interfaces of both the Primary and Backup appliances prior to configuring the HA Pair. Besides disabling PortShield, SonicWall security appliance configuration is performed on only the Primary SonicWall, with no need to perform any configuration on the Backup SonicWall. The Backup SonicWall maintains a real-time mirrored configuration of the Primary SonicWall via an Ethernet link between the designated HA ports of the appliances. If the firmware configuration becomes corrupted on the Primary SonicWall, the Backup SonicWall automatically refreshes the Primary SonicWall with the last-known-good copy of the configuration preferences.

There are two types of synchronization for all configuration settings: incremental and complete. If the timestamps are in sync and a change is made on the Active unit, an incremental synchronization is pushed to the Idle unit. If the timestamps are out of sync and the Idle unit is available, a complete synchronization is pushed to the Idle unit. When incremental synchronization fails, a complete synchronization is automatically attempted.

 

SonicWall Products
SonicWall TZ Series - High Availability
SonicWall TZ600 PoE High Availability
SonicWall TZ600 Appliance with 1 year of Comprehensive Gateway Security Suite and 24x7 Support
#02-SSC-0594
List Price: $1,220.00
Add to Cart for Pricing
SonicWall NSA Series - High Availability
SonicWall NSa 2650 High Availability
Must be paired with a regular SonicWall NSa 2650 firewall.
#01-SSC-2007
List Price: $1,745.00
Add to Cart for Pricing
SonicWall NSa 3650 High Availability
MUST BE PAIRED WITH A REGULAR SonicWall NSa 3650 FIREWALL.
#01-SSC-3215
List Price: $2,800.00
Add to Cart for Pricing
SonicWall NSa 4650 High Availability
MUST BE PAIRED WITH A REGULAR SonicWall NSa 4650 FIREWALL.
#01-SSC-3216
List Price: $4,545.00
Add to Cart for Pricing
SonicWall NSa 5650 High Availability
MUST BE PAIRED WITH A REGULAR SonicWall NSa 5650 FIREWALL.
#01-SSC-3217
List Price: $7,700.00
Add to Cart for Pricing
SonicWall NSa 6650 High Availability
Must be paired with a regular SonicWall NSa 6650 firewall.
#01-SSC-3218
List Price: $16,515.00
Call For Lowest Price!
SonicWall NSa 9250 High Availability
Must be paired with a regular SonicWall NSa 9250 firewall.
#01-SSC-3219
List Price: $22,395.00
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SonicWall NSa 9450 High Availability
Must be paired with a regular SonicWall NSa 9450 firewall.
#01-SSC-3220
List Price: $26,945.00
Call For Lowest Price!
SonicWall NSa 9650 High Availability
Must be paired with a regular SonicWall NSa 9650 firewall.
#01-SSC-3221
List Price: $32,895.00
Call For Lowest Price!
SonicWall SuperMassive Series - High Availability
SonicWall SuperMassive 9200 High Availability
High Availability unit for Active/Passive deployments only. Not suitable for Active/Active or for stand-alone operation
#01-SSC-3811
List Price: $18,897.00
Call For Lowest Price!
SonicWall SuperMassive 9400 High Availability
High Availability unit for Active/Passive deployments only. Not suitable for Active/Active or for stand-alone operation
#01-SSC-3801
List Price: $24,497.00
Call For Lowest Price!
SonicWall SuperMassive 9600 High Availability
High Availability unit for Active/Passive deployments only. Not suitable for Active/Active or for stand-alone operation
#01-SSC-3881
List Price: $27,997.00
Call For Lowest Price!
SonicWall SuperMassive 9800 High Availability
High Availability unit for Active/Passive deployments only. Not suitable for Active/Active or for stand-alone operation
#01-SSC-0801
List Price: $38,497.00
Call For Lowest Price!

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SonicGuard.com
A division of Virtual Graffiti, Inc.
1225 Crescent Green, St. 115
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