Article · Wikipedia archive · Last revised May 30, 2026

PPPoX

PPPoX designates a family of encapsulating communications protocols implementing Point-to-Point Protocol.

Last revised
May 30, 2026
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≈ 1 min
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Wikipedia ↗

PPPoX (PPP over X)1 designates a family of encapsulating communications protocols implementing Point-to-Point Protocol.

Specific implementations:

  • PPPoE: PPP over Ethernet – which can use 802.1q VLANs
  • PPPoA: PPP over ATM
  • PPTP: PPP encapsulated over GRE with a parallel control connection and some optional encryption
  • L2TP v2 (and its ancestor L2F): PPP sessions multiplexed within tunnels and transported over UDP
References

References

  1. "What Is PPP? Point-to-Point Protocol Explained (2025)". broadbandsearch.net. Retrieved 22 August 2025.