TP-Link TD-8840 User Manual page 36

WAN IP Address: Enter the IP Address provided by your ISP.
WAN Subnet Mask: Enter the subnet mask provide by your ISP.
Use the following default gateway: Check this radio button then you can choose Use IP
Address or Use WAN Interface. If you have any problems, please ask your ISP for the
information.
Use the following DNS server addresses: Check this radio button then you can enter the
primary DNS server and secondary DNS server. If you have any problems, please ask your
ISP for the information.
Note:
1. DHCP is not supported in IPoA mode.
2. Changing the default gateway or the DNS will affect the whole system. Configuring them with
static values will disable the automatic assignment from other WAN connection.
Click Next in Figure 4-15, and then you will see the Figure 4-16.
TD-8840 ADSL2+ Modem Router User Guide
Figure 4-15
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