5.4 Monitor CFM Status

The CFM MEP Status page shows the Monitor CFM Status.

The CFM MEP Status page has the following parameters:

• Domain: Name of the Domain under which this MEP resides
• Services: Name of Service under which this MEP resides
• MEPID: The identification of this MEP
• Port: Port on which this MEP resides
• State:
  • Active: Operational state of the MEP
    • 
      : OFF. This indicates that the MEP Admin State is disabled
    • 
      : DOWN. The MEP Admin State is enabled, but an error state exists
    • 
      : UP. The MEP Admin State is enabled, and no errors and defects exist
  • Fng: Holds the current state of the Fault Notification Generator State Machine. Values are one of the following options:
    • Reset: No defect has been present since reset timer expired or the State Machine was last reset
    • Defect: A defect is present, but not for a long enough time to be reported
    • reportDefect: A transient state during which the defect is reported
    • defectReported: A defect is present, and some defect has been reported
    • defectClearing: No defect is present, but the ResetTime timer has not yet expired
• SMAC: This is MEP's MAC address.
• Defects
  • Highest: Highest priority defect that has been present since the MEP's fault notification generator state machine was last in the reset state
  • Defects: A MEP can detect and report many defects, and multiple defects can be present at the same time. This is indicated by the letter code, as listed in the following table.

    Table 5-1. Letter Codes

    Code	Defect	Description
    —	Defect not present	Defect not present
    R	someRDIdefect	RDI received from at least one remote MEP
    M	someMACstatusDefect	Received Port Status TLV != psUp or Interface Status TLV != isUp
    C	someRMEPCCMdefec	Valid CCM is not received within 3.5 times CCM interval from at least one remote MEP
    E	errorCCMdefect	Received CCM from an unknown remote MEP-ID or CCM interval mismatch
    X	xconCCMdefect	Received CCM with an MD/MEG level smaller than configured or wrong MAID/MEGID (cross-connect)

• CCM Rx
  • Valid: Total number of CCMs that hit this MEP and pass the validation test
  • Invalid: Total number of CCMs that hit this MEP and did not pass the validation test
  • Errors: Total number of out-of-sequence errors seen from RMEPs
• CCM Tx: Total number of CCM PDUs transmitted by this MEP