D-Link DIR-615S Quick Installation Manual page 22

DIR-615S Quick Installation Guide
13. 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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