Compex WP54AG - Manual (Page 21)

10
PPP over Ethernet (PPPoE)
Select this type of connection if you are using ADSL services in a country utilising
standard PPP over Ethernet for authentication.
For instance:
If you are in Germany which uses T-1 connection or
If you are using SingNet Broadband or Pacific Internet Broadband in Singapore.
PPTP
Select this type of connection if you are using ADSL services in a country utilising
PPTP connection and authentication.
L2TP
Short for Layer Two (2) Tunneling Protocol, an extension to the PPP protocol that
enables ISPs to operate Virtual Private Networks (VPNs). L2TP merges the best
features of two other tunneling protocols: PPTP from Microsoft and L2F from
Cisco Systems.