DWR-921 4G LTE Router
User Manual
Configuring via Web-based Interface
Creating 6to4 WAN Connection
On the connection creation page, in the General Settings section, select the relevant value from
the Connection type drop-down list and specify the needed values.
Figure 94. The page for creating a new 6to4 connection.
Parameter Description
General Settings
Connection name A name for the connection for easier identification.
Enable connection
Move the switch to the right to enable the connection.
Move the switch to the left to disable the connection.
Ping
If  the  switch  is  moved  to  the  right,   the  router   responds  to  ping
requests  from   the   external   network   through   this  connection.   For
security reasons, it is recommended to disable this function.
6to4 Relay Router
The IPv4 address of the gateway which is used to  transfer  IPv6
packets.
Set MTU automatically
Move   the   switch   to   the   right  to   set   the   maximum   size   of   units
transmitted by the interface automatically.
Move   the   switch   to   the   left  to   specify   this   parameter  manually.
Upon that the MTU field is displayed.
MTU The maximum size of units transmitted by the interface.
When all needed settings are configured, click the APPLY button.
After clicking the button, the window for additional configuration of the connection opens.
To use this WAN connection to access the Internet, select the to the Internet choice of the radio
button. Then select an existing connection which will be used to access the server or select the
create a new connection choice of the radio button and click the CONTINUE button.
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