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    Viewing Performance Monitoring Details of OTUs for Detecting and Diagnosing Faults

    The performance monitoring capability in Connectivity Services Director displays information about the health of your network and changing conditions of your optical channel transport units (OTUs). Use this diagnosis and detection mechanism to identify problems with the equipment, pinpoint security attacks, or to analyze trends and categories of errors. This feature includes fault-monitoring details in the dashboard, in monitoring pages, and on a dedicated page that displays alarms, events, and system log messages that are generated. Performance monitoring parameters can be viewed in both chart and statistical formats. These charts and statistical details provide essential and cohesive information about system conditions, any discrepancies and malfunctioning, and protocols or components that need to be examined and debugged for better efficiency and working capacity. You can assess the performance of your network, not only at a point in time, but also over a period of time. This feature enables you to determine trending and network-health parameters; for example, whether service-level agreements (SLAs) have been violated.

    To view performance monitoring details of OTUs:

    1. From the Junos Space user interface, click the Build icon on the Connectivity Services Director banner.

      The workspaces that are applicable to Build mode are displayed on the Tasks pane.

    2. From the View selector, select Device View.

      The functionalities that you can configure in this view are displayed.

    3. From the Device View pane, click the plus sign (+) next to the My Network tree to expand the tree and select the device for which you want to define the optical port settings.

      The network tree is expanded and the selected device is highlighted.

    4. From the Tasks pane, select Device Management > View Physical Inventory.

      An image of the device is displayed on the right pane.

    5. In the the image of the device, select an OTN interface or port—for example, a 100-Gigabit Ethernet optical transport network (OTN) MIC installed in a PTX Series router.

      The Optical Port dialog box is displayed. At the lower part of the dialog box, the OTU Section and ODU Section panes are displayed in a collapsed form.

    6. Click the OTU Section header at the bottom of the dialog box.

      The OTU Section pane is expanded and displayed. This pane contains the Equipment, Status/Config, and Performance tabs.

    7. Click the Performance tab at the bottom of the pane.

      This pane contains the Perf Mon and TCA Config tabs. The Perf Mon tab of the OTU PMs dialog box is expanded and displayed as shown in Figure 1. Only a portion of the parameters displayed in this dialog box are illustrated in this figure.

      Figure 1: Perf Mon Tab of the OTU PMs Dialog Box

      Perf Mon Tab of the OTU PMs Dialog
Box

      The following fields are displayed in the Perf Mon tab of the OTU PMs dialog box. The date and time at which the dialog box was last refreshed is shown.

      • OTU FE—OTU far-end measurement threshold

        BBE—Background block error threshold-crossing defect trigger for OTU far-end

        ES—Errored seconds threshold-crossing defect trigger for OTU far-end

        SES—Severely errored seconds threshold-crossing defect trigger for OTU far-end

        UAS—Unavailable seconds threshold-crossing defect trigger for OTU far-end

      • OTU NE—OTU near-end measurement threshold for OTU near-end

        BBE—Background block error threshold-crossing defect trigger for OTU near-end

        ES—Errored seconds threshold-crossing defect trigger for OTU near-end

        SES—Severely errored seconds threshold-crossing defect trigger for OTU near-end

        UAS—Unavailable seconds threshold-crossing defect trigger for OTU near-end

      • FEC NE (OTU only)—Near-end forward error correction threshold-crossing defect trigger

        FEC-CorrectedErrMin—Forward error correction Corrected Errors counter

        FEC-UncorrectedWords—Forward error correction Uncorrected Words counter

        FECMax—Maximum forward error correction

      • BER NE (OTU only)—Near-end bit error rate threshold-crossing defect trigger

        BER-Min—Minimum bit error rate for OTU near-end

        BER-Avg—Average bit error rate for OTU near-end

        BERMax—Maximum bit error rate for OTU near-end

      On the Perf Mon tab, for the TCA column, either a minus sign (–) is displayed that denotes that an alarm for threshold-exceed is not configured or a check mark is displayed and grayed out that indicates that the TCA for the particular attribute is configured.

      In the 15 Mins column, click the Chart button for the performance monitoring parameter set for which you want to view the statistics for the last 15 minutes. This option enables you to view the statistics in a chart form. Performance monitoring information for the different parameters are displayed for the current 15-minute interval. By default, 96 records of 15-minute intervals are displayed.

      A 15-Min parameter-name tab is displayed beside the TCA Config tab at the top-left corner of the Optics PMs dialog box as shown in Figure 2. A graphical format of the statistics for the specified parameter is displayed on this tab.

      Figure 2: 15 Mins Parameter-Name Tab of the OTU PMs Dialog Box

      15 Mins Parameter-Name Tab
of the OTU PMs Dialog Box
    8. Click the 15 Mins parameter name tab.
      1. Select one of the following options from the drop-down menu:

        • Select View Chart or the graphical icon (elliptical curve symbol) to display the chart of performance monitoring statistical metrics. A line graph is displayed with date and time along the horizontal axis and the parameter along the vertical axis. A color-coding format is used to display the different lines, and legends reference the parameter names corresponding to the lines displayed. Mouse over the points in the line graph to expand and show the value of the performance monitoring counters at a particular time.

        • Select View Grid to switch over to the tabular format of display of performance monitoring statistics.

          The records are displayed in tabular format. A serial number of the count of entries, the day, month, and year at which the entry was collected, and the time at which the entry was collected are displayed. The timestamp is the UTC time in the database that is mapped to the local time zone of the client computer.

        • Select Save Chart, when you view the performance monitoring statistics in graphical format, to save the graph to a Microsoft Excel file, as a .png image. Click the pin icon on the upper-left corner to revert the tab to the original container panel.

        • Select Popout Tab or the light blue triangle icon to view the dialog box as a separate window.

          In the pop-up dialog box, you can do one of the following:

          • In the From Date field, pull down the calendar and select the start date of the search. In the To Date field, pull down the calendar and select the end date of the search.

          • Click Reload to refresh the contents and display the updated information for the specified time period.

          • Click Export Data to transfer the data in graphical or statistical format to a spreadsheet or other business applications for future reference and archival. The comma-separated value (CSV) format takes the raw data from the report and delineates the fields with commas so that the data is imported into popular spreadsheet programs.

          • Click the View Chart button at the top-left corner of the dialog box to view the statistics in graphical format. Alternatively, click the View Grid button at the top-left corner of the dialog box to view the statistics in tabular format. The View Chart/Grid button is a toggle button.

          • Click OK to close the pop-up dialog box. Alternatively, press Esc to close the dialog box after you complete viewing the statistical details.

        • Click Close to close the 15-Min parameter-name tab.

    9. In the 24-Hrs column, click the Chart button for the performance monitoring parameter set for which you want to view the statistics for the previous day. This option enables you to view the statistics in a chart form. By default, records pertaining to the last 30 days are displayed when you view the performance monitoring counters for the 24-hour duration.

      A 24 Hours parameter-name tab is displayed beside the TCA Config tab at the top-left corner of the Optics PMs dialog box as shown in Figure 3. A graphical format of the statistics for the specified parameter is displayed on this tab.

      Figure 3: 24 Hours Parameter-Name Tab of the OTU PMs Dialog Box

      24 Hours Parameter-Name
Tab of the OTU PMs Dialog Box
    10. Click the 24 Hours parameter name tab.
      1. Select one of the following options from the drop-down menu:

        • Select View Chart or the graphical icon (elliptical curve symbol) to display the chart of performance monitoring statistical metrics. A line graph is displayed with date along the horizontal axis and the parameter along the vertical axis. A color-coding format is used to display the different lines, and legends reference the parameter names corresponding to the lines displayed. Mouse over the points in the line graph to expand and show the value of the performance monitoring counters at a particular time.

        • Select View Grid to switch over to the tabular format of display of performance monitoring statistics.

        • Select Save Chart, when you view the performance monitoring statistics in graphical format, to save the graph to a Microsoft Excel file, as a .png image. Click the pin icon on the upper-left corner to revert the tab to the original container panel.

        • Select Popout Tab or the light blue triangle icon to view the dialog box as a separate window.

          In the pop-up dialog box, you can do one of the following:

          • In the From Date field, pull down the calendar and select the start date of the search. In the To Date field, pull down the calendar and select the end date of the search. Click Reload to refresh the contents and display the updated information for the specified time period.

          • Click Export Data to transfer the data in graphical or statistical format to a spreadsheet or other business applications for future reference and archival. The comma-separated value (CSV) format takes the raw data from the report and delineates the fields with commas so that the data is imported into popular spreadsheet programs.

          • Click the View Chart button at the top-left corner of the dialog box to view the statistics in graphical format. Alternatively, click the View Grid button at the top-left corner of the dialog box to view the statistics in tabular format. The View Chart/Grid button is a toggle button.

          • Click OK to close the pop-up dialog box. Alternatively, press Esc to close the dialog box after you complete viewing the statistical details.

        • Click Close to close the 24 Hours parameter-name tab.

    11. Click the Clear PMs button at the top of the dialog box, and select one of the following values from the drop-down menu to clear OTU information from the transport performance monitoring data.
      • Current—Clear the OTU information for the current interval, such as 15-minute interval or 24-hour interval, for which monitoring data is being collected.

      • Current Day—Clear the OTU information for the current 24 hours.

      • All Intervals—Clear the OTU information for the current 15-minute interval, the 96 records of 15-minute intervals, the current day, and the previous day

      After you select one of the intervals for which monitoring data must be deleted, a Clear Optics PMs dialog box is displayed to indicate that a job is triggered to delete the monitoring information from the module on the device. The job ID, start and end times of the job, percentage of completion, and status of the job are displayed.

    12. Click Close to close the job dialog box; alternatively, click Refresh to update the job status and view.

      You can use the Jobs Management page (by clicking the System icon on the banner and selecting Manage Jobs) to track the status of this job.

    You can click the Refresh (rotating arrow icon) button at the top of the dialog box to enable the latest performance monitoring statistics to be polled and displayed.

    Modified: 2017-07-20