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Gateway groups are a set of gateways, but are treated as one entity in gateway fields of the WebGUI.
Gateway groups are managed from the Groups tab on System > Routing.
When creating a gateway group, enter a group name, select a tier for each gateway (or “never” if the gateway is not part of this group), a trigger for when to exclude a group member, and an optional description. Lower tiers are preferred over higher tiers (see the next section).
Groups will appear in the gateway drop-downs available on, for example, firewall rule editing.
Tier Priority Explained¶
Assign tiers for each WAN connection.
In the example above the OPT1 would be used if WAN fails, OPT3 will be used if OPT1 also fails. So Tier1 has the highest priority.
Connection-Based Round-Robin Load Balancing¶
It is also possible to perform connection-based round-robin load balancing with the tier priorities.
In the example above the connections with the same tier will perform connection-based round-robin load balancing.