Watchguard Firebox X20E User Manual page 87

Configuring WAN Failover with a static connection
If you use a static connection to the Internet, select Manual Configuration from the
1
Configuration Mode drop-down list.
Type the IP address, subnet mask, default gateway, primary DNS, secondary DNS, and DNS
2
domain suffix.
Click Submit.
3
Configuring WAN Failover with PPPoE
If you want to use PPPoE as your failover connection, make sure you have the user name, password,
and (when applicable) the domain name that your ISP gives you.
If you use PPPoE to connect to the Internet, select PPPoE Client from the Configuration Mode
1
drop-down list.
Type the user name, domain name (if necessary), and password.
2
User Guide
Using the WAN Failover Option
75