Which Load Balancing/Failover method helps specify the amount of outbound traffic to be sent through the primary and secondary WAN interfaces?

The Ratio Based method for load balancing and failover allows administrators to define the proportion of outbound traffic that each WAN interface uses. This is particularly useful in scenarios where one connection may be more reliable or faster than another, enabling fine-tuned control over how traffic is distributed.

For instance, you might prefer to send 70% of your traffic through a primary WAN connection that has better performance while allowing the remaining 30% to route through a secondary interface. This balance ensures optimal use of available bandwidth and can contribute to higher overall efficiency and user experience.

This approach contrasts with other methods. For example, a Ping Based method checks the responsiveness of interfaces to determine which is more suitable for traffic but does not specify traffic distribution ratios. Round Robin distributes traffic evenly among interfaces sequentially, making it less adaptive to varying performance levels of connections. Failover Based methods focus strictly on switching to a backup interface only when the primary fails, without engaging in active load distribution during normal operations.