Watchguard Firebox X20E User Manual page 86

Using the WAN Failover Option
Select the Enable failover using the Ethernet (WAN2) interface check box.
2
Type the IP addresses of the hosts to ping for the WAN1 (external) and WAN2 (failover) interfaces.
3
The Firebox X Edge will send pings to the IP addresses you type here. If pings to the host on that
network are not successful, the Edge starts the failover. You control the frequency of pings in the
fields below.
Type the number of seconds between pings and the number of seconds to wait for a reply.
4
Type the maximum number of pings before timeout in the No Reply Limit field.
5
Type the number of successful pings that must be made before the Firebox X Edge uses the
6
WAN1 interface again in the Ping replies needed for failback field.
Configuring WAN Failover with the DHCP Client
If you use DHCP to connect to the external network, select DHCP Client from the Configuration
1
Mode drop-down list.
If you must identify your computer when you request an IP address, type the name in the
2
Optional DHCP Identifier field.
Click Submit.
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74 Firebox X Edge e-Series