Enrico Vanzetto Lv3Posted 16 Apr 2024 17:34
  
Hi, Sangfor’s IPSec/SSL VPN solutions incorporate a variety of strategies for load balancing and failover:

Multi-HQ Configuration: In a Software-Defined Wide Area Network (SD-WAN) setup, multiple headquarters (HQ) devices can be incorporated within the VPN topology. This facilitates improved redundancy, load balancing, and routing optimization, allowing branches to access multiple HQ sites and data centers efficiently while ensuring network reliability and performance.

Dynamic Routing Protocols: Each branch should be configured to connect to multiple HQ sites, and dynamic routing protocols should be set up to choose the best traffic path based on real-time conditions.

Network Redundancy and Failover: Redundancy and failover mechanisms should be implemented to prevent any network disruptions or downtimes.

Intelligent Link Selection: SANGFOR SSL VPN is equipped with an Intelligent Link Selector, which can automatically choose the best link for remote access when multiple links are available.

Full Mesh Network Configuration: In this setup, each branch device establishes a VPN tunnel to every HQ device, providing optimal redundancy and load balancing.

Dual NGAF Devices at HQ: A second NGAF device should be set up at the HQ with the same local VPN users in HA mode, ensuring that all branches can connect to two HQ devices.

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