An Internet client-server protocol that combines aspects of PPTP and L2F and supports tunneling of PPP over an IP network or over frame relay or other switched network. (See: VPN.)
An Internet client-server protocol that combines aspects of PPTP and L2F and supports tunneling of PPP over an IP network or over frame relay or other switched network. (See: VPN.)
Tutorial: PPP can in turn encapsulate any OSIRM Layer 3 protocol. Thus, L2TP does not specify security services; it depends on protocols layered above and below it to provide any needed security.