Chapter 4 Configuring your Business Secure Router 27
Internet connection with PPPoE
Point-to-Point Protocol over Ethernet (PPPoE) also functions as a dial-up connection. Therefore, you also need a username and password and possibly the PPPoE service name (from ISP).
Select Nailed-Up Connection when you want your connection active all the time. The Business Secure Router tries to bring up the connection automatically if it is disconnected.
Nortel Business Secure Router 222 — Fundamentals