SonicOS 7.1 High Availability Administration Guide
- SonicOS 7.1
- About SonicOS
- High Availability
- Replacing an HA Primary Unit
- High Availability Config
- Configuration of HA Active/Standby
- Configuring Active/Standby High Availability Settings
- Configuring HA with Dynamic WAN Interfaces
- Configuring Network DHCP and Interface Settings
- Disabling the SonicOS DHCP Server
- Configuring Virtual IP Addresses
- Configuring Redundant Ports
- Fine Tuning High Availability
- Advanced Settings
- Configuring Advanced High Availability Settings
- Monitoring High Availability
- Configuring Active/Standby High Availability Monitoring
- Configuring Active/Standby High Availability Settings
- IPv6 High Availability Monitoring
- About This Document
- Azure Use Cases
- SonicWall Support
Configuring HA to Active/Standby with L3 HA link
The following steps configure HA to Active/Standby with the L3 HA link.
- Configure HA to Active/Standby with the L3 HA link. To do so, browse Manage > High Availability and select Enable Stateful Synchronization.
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Navigate to the HA interfaces section and switch the HA Control link to L3 mode. A gateway address is unnecessary if two HA Interfaces are in the same subnet. However, if two HA interfaces are in different subnets, a proper gateway address is needed, and the default is X.X.X.1 on Azure.
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Add monitoring IPs for X0 and X1 is mandatory.
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Navigate to Device > High Availability > Status page to check whether the pair is coming together. The secondary will reboot, and seeing the device pair up may take a while.
It is recommended that you use the latest 7.1.1-7051 or a newer firmware version to use multiple floating IP addresses in Azure.
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