SMC Networks SMC7904WBRA-N2 - User Manual page 66

PPP Username: The correct user name provided by your ISP.

PPP Password: The correct password provided by your ISP.

Authentication Method: The value can be AUTO, PAP, CHAP, or MSCHAP.

Usually, you can select AUTO.
Enable Fullcone NAT:. NAT is one where all requests from the same internal

IP address and port are mapped to the same external IP address and port.
Furthermore, any external host can send a packet to the internal host, by
sending a packet to the mapped external address.
Dial on demand (with idle timeout timer): If this function is enabled, you

need to enter the idle timeout time. Within the preset minutes, if the modem
does not detect the flow of the user continuously, the modem automatically
stops the PPPoA connection. Once it detects the flow (like access to a
webpage), the modem restarts the PPPoA dialup. If this function is disabled,
the modem performs PPPoA dial-up all the time. The PPPoA connnection
User Manual
62