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What Are the Phases That Occur in any PPP Session?



Article ID: KB4381 KB Last Updated: 04 Jun 2010Version: 3.0
What Are the Phases That Occur in any PPP Session?


The three phases that occur in every Point-to-Point Protocol (PPP) session are:

  • Link establishment: Link Control Program (LCP) packets are sent to configure and test the link.
  • Authentication (optional): After the link is established, authentication can be used to ensure that link security is maintained.
  • Network Layers: In this phase, Network Control Protocol (NCP) packets determine which protocols will be used across the PPP link.

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