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Layer 2 Tunneling Protocol

nouncandidate·updated May 12, 2026

An extension of the Point-to-Point Tunneling Protocol used by an Internet service provider to enable the operation of a virtual private network over the Internet.

Framework senses

SANS Glossary of Security Terms1 senseview framework →
§1
An extension of the Point-to-Point Tunneling Protocol used by an Internet service provider to enable the operation of a virtual private network over the Internet.