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
Benefits of Stateful Synchronization
- Improved reliability - By synchronizing most critical network connection information, Stateful Synchronization prevents down time and dropped connections in case of Security Appliance failure.
- Faster failover performance - By maintaining continuous synchronization between the Active and Standby Security Appliances, Stateful Synchronization enables the Standby Security Appliance to take over in case of a failure with virtually no down time or loss of network connections.
- Minimal impact on CPU performance - Typically less than 1% usage.
- Minimal impact on bandwidth - Transmission of synchronization data is throttled so as not interfere with other data.
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