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D-Link DWR-921 User Manual
Section 3 - Configuration
Set the maximum time your connection can be idle before 
disconnecting. Set it to 0 or choose Auto in Reconnect Mode 
to disable this feature.
Fill in if provided by your ISP. If not, keep the default value 
(optional).
Fill in if provided by your ISP. If not, keep the default value 
(optional).
Select 
Disable
or 
Use Ping
depending on the settings required 
by your ISP. If you select Use Ping, set the ping interval and the 
IP address to ping.
Activate this feature to use the Ethernet WAN port as an 
additional LAN port.
Enabling this option will allow you to connect when roaming. 
Note
: Roaming connections may incur additional fees from 
your service provider.
Enabling this will send periodic DNS checks to make sure your 
connection is alive, and if the check fails, it will restart your 3G 
connection to resume connectivity.
Enabling this option will disable the NAT function of the DWR-
921, allowing it to act as a link for your devices to your Internet 
connection, but without routing functions.
Maximum Idle Time:
Primary DNS Server:
Secondary DNS Server:
Keep Alive:
Bridge Ethernet Ports:
Roaming:
DNS Check:
NAT Disable: