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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.

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For internet.com pages about L2TP . Also check out the following links!

Related Links

RFC 2661
Full text of the L2TP RFC.

related categories

Internet Access

Internet Protocols

related terms

dial-up access

DLSw

IPsec

Layer Two Forwarding

PPTP

tunneling

VPN


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