To configure a CFM LMM session OAM diagnostic test from the STM

Steps
 

Click Tools→Service Test Manager (STM) on the NFM-P main menu. The Service Test Manager (STM) form opens.


Click Create→Performance Monitoring→CFM LMM Session Test or select an existing CFM LMM test session object and click Properties. The CFM LMM Test Session (Create|Edit) form opens.


Configure the required parameters.

The CFM LMM test must be disabled to make any changes to the session, including the Timing panel options.

When you configure the parameters in the Timing panel, the product of (Interval) x (Frames Per Delta-T) x (Consec Delta-T's) must not exceed 100 seconds.

The Availability parameter governs whether or not the test results will contain the availability information.


Select a PM session.


Click on the Loss-events tab to collect TCA event statistics.

  1. Select a direction type object and click Properties. The TCA Configuration form opens.

  2. Configure the required TCA parameters.

    Note: The Clear threshold should always be lower than the Raise threshold.


Save your changes and close the forms.


To collect LMM statistics, you must set an option to do so on the object with which the MEP is associated. Enable the Enable LMM Session Stats Collection parameter, either on the OAM tab (ETH-CFM sub-tab) or the MEPs tab in the following contexts, as required:

  • IES and VPRN L3 access interfaces

  • Spoke and Mesh SDP bindings

  • IES and VPRN subscriber interfaces

  • VLL and VPLS L2 access interfaces

  • LAG member ports

  • Non-LAG member ports

End of steps