Remember L2TP
Full name: Layer 2 Tunneling Protocol
Memory aid: Layer Two travels through a Tunnel.
L2TP alone does not provide encryption; it is often paired with IPsec.
Study area: Protocols & logical ports · Batch 6
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · CompTIA Security+ SY0-701 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
L2TP — Layer 2 Tunneling Protocol
Tunnels layer-2 sessions over packet networks.
Why learn L2TP — Layer 2 Tunneling Protocol?
Tunnels layer-2 sessions over packet networks.
Where it came from
L2TP alone does not provide encryption; it is often paired with IPsec.
- Memory aid (a learning cue, not the expansion): Layer Two travels through a Tunnel.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand L2TP: Layer 2 Tunneling Protocol.
- Recall this memory aid: Layer Two travels through a Tunnel.
- Explain the practical use: Tunnels layer-2 sessions over packet networks.
- Explain this distinction: L2TP alone does not provide encryption; it is often paired with IPsec.
- Identify L2TP in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 2661 (www.rfc-editor.org)