Draytek Vigor2600VG Manual page 18

Example for PPPoA:
It should now have detected the settings:
You can set/edit these manually when adding your ISP account details. Type in the
ISP name as well as the Username/Password provided by them. Also, you probably
want to tick the "Always On" box as there's no reason to disconnect the router when
you're not using the Internet. Ignore the fixed IP settings as an ISP will send then to
you each time you login anyway.
18