TP-Link TL-ER5120 User Manual page 21

The following items are displayed on this screen:
Dynamic IP
Connection Type:
Host Name:
MTU:
Get IP Address by
Unicast:
Use the following DNS
Server:
Primary DNS:
Secondary DNS:
Upstream Bandwidth:
Downstream
Bandwidth:
Select Dynamic IP if your ISP assigns the IP address automatically.
Click <Obtain> to get the IP address from your ISP's server. Click
<Release> to release the current IP address of WAN port.
Optional. This field allows you to give a name for the router. It's
blank by default.
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.
The broadcast requirement may not be supported by a few ISPs.
Select this option if you can not get the IP address from your ISP
even with a normal network connection. This option is not required
generally.
Select this option to enter the DNS (Domain Name Server) address
manually.
Enter the IP address of your ISP's Primary DNS (Domain Name
Server). If you are not clear, please consult your ISP.
Optional. If a Secondary DNS Server address is available, enter it.
Specify the bandwidth for transmitting packets on the port.
Specify the bandwidth for receiving packets on the port.
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