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Configuring Active / Active High Availability with two SonicWall firewall appliances
10/25/2021 
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Description
High Availability Active-Active Clustering with 2 units.
Resolution
Resolution for SonicOS 6.5
This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.
- Enable Active/Active Clustering under Manage | High Availability | Base Setup | General.
- Enter the Secondary/Backup unit's serial as Cluster Node ID 2 under High Availability | Base Setup | HA Devices & Nodes.
- On Cluster Node ID 1 set the Virtual Group 1 Rank as Owner and Virtual Group 2 Rank as Standby.
- On Cluster Node ID 2 set the Virtual Group 1 Rank as Standby and Virtual Group 2 Rank as Owner.
- Select Active/Active Clustering Link/Interface under HA | Settings | HA Interfaces.
- Status should look as below under Monitor | High Availability Status.
NOTE: Stateful Failover will not be available in the above setup.
Resolution for SonicOS 6.2 and Below
The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.
- Enable Active/Active Clustering under HA |Settings | General.
- Enter the Secondary/Backup unit's serial as Cluster Node ID 2 under HA | Settings | HA Devices & Nodes.
- On Cluster Node ID 1 set the Virtual Group 1 Rank as Owner and Virtual Group 2 Rank as Standby.
- On Cluster Node ID 2 set the Virtual Group 1 Rank as Standby and Virtual Group 2 Rank as Owner.
- Select Active/Active Clustering Link/Interface under HA | Settings | HA Interfaces.
- Enable Node 1 and 2 under HA | Advanced.
- Status should look as below.
NOTE: Stateful Failover will not be available in the above setup
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Categories
- Firewalls > NSa Series > High Availability
- Firewalls > NSv Series > High Availability
- Firewalls > TZ Series > High Availability
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