User`s manual

the IP address for it.
Subnet Mask If you select the L2TP support on WAN interface, fill in
the subnet mask for it.
Gateway If you select the Static L2TP support on WAN interface,
fill in the gateway for WAN interface out going data
packets.
Server IP Address Enter the IP address of the L2TP Server.
User Name If you select the L2TP support on WAN interface, fill in
the user name and password to login the L2TP server.
Password f you select the L2TP support on WAN interface, fill in
the user name and password to login the L2TP server.
Connection Type Select the connection type from pull-down menu. There
are Continuous, Connect on Demand and Manual three
types to select.
Continuous connection type means to setup the
connection through L2TP protocol whenever this
UGL2430-RTB is powered on.
Connect on Demand connection type means to setup the
connection through L2TP protocol whenever you send
the data packets out through the WAN interface; there are
a watchdog implemented to close the L2TP connection
while there are no data sent out longer than the idle time
set.
Manual connection type means to setup the connection
through the L2TP protocol by clicking the Connect
button manually, and clicking the Disconnect button
manually.
Idle Time If you select the L2TP and Connect on Demand
connection type, fill in the idle time for auto-disconnect
function. Value can be between 1 and 1000 minutes.
MTU Size Fill in the mtu size of MTU Size. The default value is
1460. Refer to 4.23 What is Maximum Transmission Unit
(MTU) Size?
Attain DNS
Automatically
Click to select getting DNS address for L2TP support.
Please select Set DNS Manually if the L2TP support is
selected.