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Advanced Multi-WAN Settings

In the Mult-WAN Advanced Settings, you can configure sticky connections, failback, and notification of multi-WAN events. Not all configuration options are available for all multi-WAN configuration options. If a setting does not apply to the multi-WAN configuration option you selected, those fields are not active.

Advanced Multi-WAN settings include:

Sticky Connections

A sticky connection is a connection that continues to use the same WAN interface for a defined period of time. You can set sticky connection parameters only with the Round-robin or Interface Overflow multi-WAN methods. Sticky connections make sure that, if a packet goes out through an external interface, any future packets between the source and destination address pair use the same external interface for a specified period of time. By default, sticky connections use the same interface for 3 minutes.

If a policy definition contains a sticky connection setting, this setting can override any global sticky connection duration. For more information, see Set the Sticky Connection Duration for a Policy.

Failback Action

You can set the action you want the Firebox to take when a failover event has occurred and then the primary external interface becomes active again. When this occurs, all new connections immediately fail back to the primary external interface. However, you can select the method you want to use for connections that are in process at the time of failback. This failback setting also applies to any policy-based routing configuration you set to use failover external interfaces.

Notification Settings

Log messages are always created for multi-WAN failover events. You can set the notification method. For more information about notification methods, see Set Logging and Notification Preferences.

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