D-Link DSL-2880AL User Manual page 27

Section 3 - Configuration
For STATIC IP ADDRESS INTERNET CONNECTION TYPE
Type IP Address, Subnet Mask, Default Gateway, and select
Connection in drop-down menu.
These information should be provided from your Internet Service
Provider (ISP)
STATIC IPv6 ADDRESS INTERNET CONNECTION TYPE
Type WAN IPv6 Address/Prefix Length and WAN Next-Hop IPv6
Address
These information should be provided from your Internet Service
Provider (ISP)
DNS AND DEFAULT GATEWAY
Select Obtain DNS server address automatically to get DNS from
your ISP.
Or Select Use the following DNS server addresses to type the DNS
IP in the Preferred DNS server and Alternate DNS server.
D-Link DSL-2880AL User Manual 27