DSL-245GR Quick Installation Guide
PPPoE, IPv6 PPPoE, PPPoE Dual Stack: Enter authorization data provided
by your ISP (the username (login) in the Username field and the password in
the  Password  field).   Click   the  Show  icon  ( )  to   display   the   entered
password. If authorization is not required, select the Without authorization
checkbox.
PPTP   +   Dynamic   IP   or   L2TP   +   Dynamic   IP:  Enter   authorization   data
provided by your ISP (the username (login) in the Username field and the
password in the Password field). Click the Show icon ( ) to display the
entered   password.   If   authorization   is   not   required,   select   the  Without
authorization checkbox. In the VPN server address field, enter the IP or
URL address of the PPTP or L2TP authentication server.
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