TP-Link TL-MR6400 User Manual page 135

Setting IP address manually

1 Select Use the following IP address
2 If the Device's LAN IP address is 192.168.1.1, type IP address is 192.168.1.x (x is
from 2 to 254), and
3 Type the Device's LAN IP address (the default IP is 192.168.1.1) into the
gateway field.
4 Select Use the following DNS server addresses
Server field you can type the DNS server IP address, which has been provided by your
ISP.
radio button. And the following items available.
Subnet mask is 255.255.255.0.
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TL-MR6400 User Guide
radio button. In the Preferred DNS
Default