D-Link DIR-825/AC Quick Installation Manual page 27

DIR-825/AC Quick Installation Guide
15. For connection of PPPoE + Static IP type: in the IP section, fill in the IP
Address, Netmask, Gateway IP address, and Primary DNS
server fields. Then in the PPP section, enter authorization data provided
by your ISP (the username (login) in the Username field and the
password in the Password and Password confirmation fields), or
select the Without authorization checkbox if authorization is not
required.
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