Fibre Channel Logins

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Fibre Channel logins takes place after a link is operational. There are three different types of logins in Fibre Channel technology:

  • Fabric Login (FLOGI)
  • Port Login (PLOGI)
  • Process Login (PRLI)

In the Login process different operational parameters are exchanged:

  • FC-PH version support
  • Classes of service supported
  • Frame size
  • Type of ACK supported: single frame, multiple frame
  • Number of buffer credits
  • Addressing
  • Time out values: E D TOV and R A TOV
  • Error recovery policies
  • Number of sequences


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