Proactive DM Threshold Configuration

Procedure 16-4.7: Proactive DM Threshold Configuration

Overview

Use this procedure to provision the threshold values for a proactive DM session on a selected MEP. DM thresholds can be configured only when the associated proactive DM session is enabled.

Alarm thresholds are set for a proactive Delay Measurement session, for maximum or average measurement, Bidirectional (Round Trip) or One-way Delay, or Near-end or Far-end Delay Variation, 15 minute or 24 hour intervals.

The clear threshold must be lower than the cross threshold. The alarm is raised when a measurement equals or exceeds the cross threshold, which for maximum can occur anytime during a bin, and for average only at the end of a bin. The alarm is cleared when the measurement at the end of a bin is equal or less than the clear threshold. Because delay typically is above zero, take care when setting the clear threshold so that the TCA can clear under normal circumstances.

Step

From the Navigation menu, select Service OA&M → Delay Measurement → Threshold Configuration to configure thresholds for the proactive delay measurement.

Equivalent CLI command: ethoam dm-threshold

Result:

The Proactive DM Threshold Configuration window displays current settings.

Enter the parameters as required. See Proactive DM Threshold parameters. Click Submit to execute the command. Click Delete to delete the threshold values from the selected Proactive DM session.

End of steps

Proactive DM Threshold parameters

Parameter	Description	CLI command
Priority	The Priority of the selected Proactive DM. It is the priority of the DMM frames carrying the DM information, and the Class of Service being measured. Valid values: an integer in the range of 0 to 7.	`ethoam dm-threshold priority <priority-value>`
Measurement Type	The type of measurement for the threshold. Range: aB_FD15, xB_FD15, aN_FD15, xN_FD15, aF_FD15, xF_FD15, aN_FDV15, xN_FDV15, aF_FDV15, xF_FDV15, aB_FD24, aN_FD24, xN_FD24, aF_FD24, xF_FD24, xB_FD24, aN_FDV24, xN_FDV24, aF_FDV24, xF_FDV24, where: a - average, x - maximum N - near end, F - far end B - bidirectional (round trip) FD - frame delay, FDV - frame delay variation 15 - 15-minute counter, 24 - 24-hour counter For example: aB_FD15 - Average Round trip frame delay, 15-minute counter.	`ethoam dm-threshold type <meas-type>`
Cross Threshold	The threshold for generating a crossing alert. Valid values: an integer in the range of 1 to 100000 in units of 0.1 millisecond. Default: 10000.	`ethoam dm-threshold cross <cross-value>`
Clear Threshold	The threshold for clearing a crossing alert. Valid values: an integer in the range of 0 to 99999 in units of 0.1 millisecond. The Clear Threshold must be lower than the Cross Threshold. Default: 9000.	`ethoam dm-threshold clear <clear-value>`
Proactive DM (MD/MA/ MEPID)	A drop-down list containing all Proactive DM in the system. It contains the comma separated fields of MD name, MA name, and MEPID for a Proactive DM.