L2TP
When WAN Type is set to L2TP, the following options are displayed:
Figure 57 – L2TP WAN Type Configuration
Item Notes Description
IP Mode Mandatory
field.
Select either Static or Dynamic IP address for L2TP Internet connection.
When Static IP Address is selected, you will need to enter the WAN IP Address, WAN
Subnet Mask, and WAN Gateway.
WAN IP Address (mandatory field) – Enter the WAN IP address given by your
Service Provider.
WAN Subnet Mask (mandatory field) – Enter the WAN subnet mask given by
your Service Provider.
WAN Gateway (mandatory field) – Enter the WAN gateway IP address given
by your Service Provider.
When Dynamic IP is selected, there are no above settings required.
Server IP
Address/Name
Mandatory
field.
Enter the L2TP server name or IP Address.
L2TP Account Mandatory
field.
Enter the L2TP username provided by your Service Provider.
L2TP Password Mandatory
field.
Enter the L2TP connection password provided by your Service Provider.
Service Port Mandatory
field.
Enter the service port that the Internet service.
There are three options can be selected :
Auto – Port will be automatically assigned.
1701 (For Cisco) – Set service port to port 1701 to connect to CISCO server.
User-defined – enter a service port provided by your Service Provider.
MPPE
Optional
setting
Select  Enable to enable MPPE (Microsoft Point-to-Point Encryption) security for
PPTP connection.
Table 40 – L2TP WAN Type Configuration
3.1.2.2 Ethernet Connection Common Configuration
There are some important parameters to be configured, regardless of the selected WAN type.