OAM-PM Top N Worst Sessions report

Overview

OAM-PM Top N Worst Sessions reports show the worst case OAM-PM sessions over a specified time period, grouped by session.

The report includes the following session types:

Prerequisites

The following tasks need to be performed using NSP Classic management for OAM-PM Top N Worst Sessions reports to be created:

Use cases

QoS analysis—Identify potential service impacting issues between specific NEs.

Report inputs

The following table shows the report inputs.

Table 13-24: OAM-PM Top N Worst Sessions report inputs

Prompt

Notes

Session Type

ETH-CFM Session, TWAMP-Light Session

End Date

Calendar date or relative date (for example, two days ago) and time

Granularity

Aggregation types:

  • None (raw collection interval)

  • Hourly

  • Daily

  • Monthly

Report range

Length of time to be reported, in minutes (minutes, min), hours (hours, h), days (days, d), or months (months, m)

Source Node

Search using partial or full names.

Select individual items or click Select All.

Both the NE name and its IP address display.

Note: You can select up to 10,000 source NEs or target NEs for the OAM-PM Top N Worst Sessions report. An exception is returned when you select more than 10,000 source NEs or target NEs.

Target Node

Test Factor

Average delay, maximum delay, minimum delay, or loss

Result set limit

Number of results to report

Bin type

  • Frame Delay—The amount of time required to travel from the source site to the destination site and back (latency).

  • Frame Delay Range—The difference between the minimum frame delay and the individual packet (jitter).

  • Inter Frame Delay Variation—The difference in the delay metric between two adjacent packets (jitter).

Show report output on one page

Select the check box to enable pagination.

Note: Using the Show report output on one page option when creating reports as drill-downs may impact report rendering time. Nokia recommends disabling the Show report output on one page option when creating reports.

Report characteristics

The following table lists the principal report characteristics.

Table 13-25: OAM-PM Top N Worst Sessions report characteristics

Characteristic

Value

Data type

OAM session statistics

Source database

Auxiliary database

NE types supported

7210 SAS-M 24F, 7210 SAS-M 24F 2XFP, 7210 SAS-M 24F 2XFP ETR, 7210 SAS-T 12F 10T 4XFP, 7210 SAS-T 12F 10T 4XFP ETR, 7210 SAS-X 24F 2XFP, 7210 SAS-K, 7210 SAS-R6, 7210 SAS-R12, 7210 SAS-S/SX 1/10GE VC

7250 IXR-6, 7250 IXR-R6, 7250 IXR-s, 7250 IXR-10, 7250 IXR-e

all 7450 ESS variants

all 7750 SR variants

all 7950 XRS variants

Drill-down support

Yes:

Examples

The following figures show report examples.

Figure 13-24: OAM-PM Top N Worst Sessions report
OAM-PM Top N Worst Sessions report
Figure 13-25: OAM-PM Top N Worst Sessions report
OAM-PM Top N Worst Sessions report