TP-Link TL-ER5120 User Manual page 19

Choose the menu Network→WAN→WAN1 to load the configuration page.
1) Static IP
If a static IP address has been provided by your ISP, please choose the Static IP connection type to
configure the parameters for WAN port manually.
The following items are displayed on this screen:
Static IP
Connection Type:
IP Address:
Subnet Mask:
Default Gateway:
MTU:
Figure 3-7 WAN – Static IP
Select Static IP if your ISP has assigned a static IP address for your
computer.
Enter the IP address assigned by your ISP. If you are not clear,
please consult your ISP.
Enter the Subnet Mask assigned by your ISP.
Optional. Enter the Gateway assigned by your ISP.
MTU (Maximum Transmission Unit) is the maximum data unit
transmitted by the physical network. It can be set in the range of
576-1500. The default MTU is 1500. It is recommended to keep the
default value if no other MTU value is provided by your ISP.
-13-