Introduction of L2TP
L2TP is an industry-standard Internet tunneling protocol and PPTP protocol roughly similar functions, such as data flow on the network can also be encrypted. But there are also differences, such as PPTP requires the network to IP networks, L2TP requires packet-oriented point connection; PPTP uses a single tunnel, L2TP tunnel using multiple; L2TP provides header compression, tunnel authentication, while PPTP is not supported. |