TP-Link TW-MR3220 User Manual page 36

IP Address - Enter the IP address in dotted-decimal notation provided by your ISP.

Subnet Mask - Enter the subnet Mask in dotted-decimal notation provided by your ISP,

usually is 255.255.255.0.
Default Gateway - (Optional) Enter the gateway IP address in dotted-decimal notation

provided by your ISP.
MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet

networks is 1500 Bytes. It is not recommended that you change the default MTU Size
unless required by your ISP.
Primary/Secondary DNS - (Optional) Enter one or two DNS addresses in dotted-decimal

notation provided by your ISP.
3. If your ISP provides a PPPoE connection, select PPPoE/Russia PPPoE option. And you
should enter the following parameters as shown below:
TL-MR3220 3G/4G Wireless N Router User Guide
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