Failover - D-Link DWR-921 User Manual

Section 4 - Configuration
The DWR-921's multi-WAN feature allows you to set your router to automatically switch to a secondary Internet connection if your primary Internet
connection is lost. Note that you must first specify your primary Internet connection either on the WAN Service tab (see page 8) or the Wizard
(see "Wizard" on page 19) before you can specify a secondary Internet connection. By default, the primary connection is 3G/4G.
Select Failover to enable the failover function.
Failover type:
This option should be set to an external IP address that can be
Remote Host for
used to ensure that the 3G/4G LTE connection will be kept from
Keep Alive:
going offline due to inactivity. An example would be Google's
public DNS servers (8.8.8.8 or 8.8.4.4) or your Internet service
provider's DNS servers.
This will automatically be set to the currently configured Internet
Primary WAN:
connection type.
This can be set by clicking on Add, the available options will be
Secondary WAN:
shown in the drop down box that appears.
Click Apply to save your settings, or Refresh to revert to your
previous settings.
D-Link DWR-921 User Manual

Failover

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