L2TP Last modified: Wednesday, February 25, 2004
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. Like PPTP, L2TP requires that the ISP's routers support the protocol.
•E-mail this definition to a colleague• For internet.com pages about L2TP . Also check out the following links! RFC 2661 Full text of the L2TP RFC.	Internet Access Internet Protocols dial-up access DLSw IPsec Layer Two Forwarding PPTP tunneling VPN Give Us Your Feedback Shopping L2TP Products Compare Products,Prices and Stores Shop by Category: Firewalls 164 Model Matches Routers 133 Model Matches