D-Link DIR-825/AC Quick Installation Manual page 29

DIR-825/AC Quick Installation Guide
17. For connection of PPTP + Static IP or L2TP + Static IP type: in the IP
section, fill in the IP Address, Netmask, Gateway IP address, and
Primary DNS server fields. Then in the VPN 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. In the VPN server address field, enter
the IP or URL address of the PPTP or L2TP authentication server. If your
ISP applies encryption, select a needed value from the Encryption drop-
down list.
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