3Com 3032 Configuration Manual page 627

L2TP Configuration Examples 623
Click <Next> and deselect "To connect to the Internet immediately, select this
box and then click Finish" in the popup dialog box, as shown in the following
figure.
Figure 189 Internet Connection Wizard (5)
Click <Finish> and double click "Connection to 66046" icon, then after
inputting the username and password, you can dial up to access NAS. As
receiving the call, NAS will establish a tunnel and session to LNS, as shown in
the following figure. The input username and password must be the same as
those configured at LAC and LNS side.