Watchguard Wireless Router User's Guide Page 82

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Changing Your Network Settings
68 WatchGuard Firebox X Edge
N
OTE
N
OTE
The Firebox gets the IP address of members.dyndns.org when it
connects to a time server. The Firebox connects to a time server
when it starts up.
The Firebox connects to the IP address it finds for
members.dyndns.org to register the current Firebox external IP
address with the DynDNS service.
The Firebox does not operate with other Dynamic DNS services,
only DynDNS.org.
Enabling the WAN Failover Option
The WAN Failover option supplies redundant support for the exter-
nal interface. With this option, the Firebox® X Edge starts a connec-
tion through the WAN2 port when the primary external interface
(WAN1) cannot send traffic. Companies use this option if they must
have a constant Internet connection. You must have a second Inter-
net connection to use this option. You can have a second broadband
connection, or use an external modem connected to the Edge to
supply a failover Internet connection.
It is not necessary to configure new services to use this option. The
failover interface uses the same services and network properties as
the external interface.
The Firebox uses two procedures to see if the external interface is
functional:
The status of the link between the external interface and the
device it is connected to (usually a router).
A ping command to a specified location
The Firebox sends a pings to the default gateway or a computer
specified by the administrator. If there is no reply, the Firebox
changes to the secondary external network interface (WAN2).
When you enable the WAN Failover, the Firebox does the following:
If the WAN1 interface connection stops, the Firebox starts to
use the WAN2 interface.
If the WAN2 interface connection stops, the Firebox starts to
use the WAN1 interface.
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