Draytek Vigor2500V Manual page 178

3.4 Are the ISP Settings OK?
Click Internet Access Setup group and then check whether the ISP settings
are set correctly.
A. For PPPoE/PPPoA Users (refer to the following figure)
1. Check that if the Enable option is selected.
2. Verify if all parameters of DSL Modem Settings are entered with correct
value which given by your ISP.
3. Verify if Username and Password are entered with correct value which
given by your ISP.
TroubleShooting of Vigor2500V series
9