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3.5.3 L2TP/PPTP
Layer 2 VPN tunneling protocol consists of L2TP (Layer 2 Tunneling Protocol) and PPTP (Point to
Point Tunneling Protocol).
Both L2TP and PPTP encapsulate packet and add extra header to the packet by using PPP (Point to
Point Protocol). Table depicts the difference between L2TP and PPTP.
Protocol
Media
Tunnel
Length of Header
Authentication
PPTP
IP network
Single tunnel
6 bytes at least
Not supported
L2TP
IP network of UDP, frame
relay virtual circuit, X.25
virtual circuit
Multiple tunnels
4 bytes at least
Supported
3.5.3.1
L2TP/PPTP Tunnel
you can configure the L2TP/PPTP VPN.
Choose the
On this page,
menu
VPN
→
L2TP/PPTP
→
L2TP/PPTP Tunnel
to load the following page.