DIR-825/AC Wireless AC1200 Dual Band Gigabit Router with
3G/LTE Support and USB Port
User Manual
Configuring via Web-based Interface
WAN Reservation
On the Net / WAN reservation page, you can enable the WAN backup function, which provides
you with uninterrupted access to the Internet. When your main connection breaks down, the router
activates the backup connection; and when the main channel is recovered, the router switches to it
and disconnects the reserve one.
Figure 115. The Net / WAN reservation page.
To activate the backup function, on the Net / WAN page, create the main and the reserve WAN
connections. After that proceed to the Net / WAN reservation page, select the Enable
reservation checkbox, and specify the needed values in the fields displayed on the page.
Parameter Description
Basic connection
From the drop-down list, select a WAN connection which will be
used as the main one.
Backup connection
From the drop-down list, select a WAN connection which will be
used as the reserve one.
Test host
An IP address that the router will check for availability via ICMP
ping mechanism.
Check interval
A time period (in seconds) between attempts to check the status of
the main connection. By default, the value 10 is specified.
Timeout check
A time period (in seconds) for an attempt to check the status of the
main connection. At the end of this period the router's internal
system makes a decision to enable/disable the reserve channel. By
default, the value 3 is specified.
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