Watchguard Firebox X15 User Manual page 108

Network Settings
Configure the Edge to use round-robin load balancing
1. From the navigation bar, select Network > External. If you have an Edge Pro license, you see the
options to configure your Edge with a multi-WAN configuration.
2. Select the Use multi-WAN check box.
3. Select the method you want the Edge to use to route traffic between the two external interfaces. If you
select Round Robin load balancing, the Edge tries to balance traffic between the two interfaces
equally. If you select Weighted Round Robin load balancing, you can use the slider to set the
percentage of traffic you want to go through each interface.
4. Configure the second external interface as described in
broadband
5. Below Multi-WAN settings, type the IP addresses of the hosts to ping for the WAN1 (external) and
WAN2 (failover) interfaces.
The Firebox X Edge sends pings to the IP addresses you type here. If pings to the host on that network
are not successful, the Edge fails over to the other WAN. You control the frequency of pings in the fields
below.
6. Type the number of seconds between pings and the number of seconds to wait for a reply.
7. Type the maximum number of pings before timeout in the No Reply Limit field.
8. Type the number of successful pings that must be made before the Firebox X Edge uses the WAN1
interface again in the Ping replies needed for failback field.
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connection.
Configure a second external interface for a
Firebox X Edge e-Series