Cisco Systems OL 8620 03 User Manual

C H A P T E R  
3
Monitor  
The Cisco PVM monitor function provides near real-time and real-time access to resource data, as well  
as summary views of aggregated traffic data with drill-down capability, formatted into tables and graphs  
for troubleshooting and analyzing current network performance. Cisco PVM displays individual and  
aggregated NAM metrics, including displays for single NAM data sources, for multiple NAM data  
aggregated across the network, and for all NAMs. Additionally, the Monitor tab displays a snapshot of  
current network activity immediately upon access.  
Using the Monitor function, you can display near real-time and dynamic traffic data for applications,  
hosts, conversations, DCSP groups, switches and routers, and VLAN data. You can view network  
resources based on these data sources and drill down to access details about a particular resource.  
Reports can be viewed, printed, and saved as PDF, Microsoft Excel, and Rich Text Format files.  
Note  
Reports generated under the Monitor tab are not archived.  
This chapter contains the following sections:  
For samples of individual reports and their field descriptions, see Appendix B, “Report Samples for  
Monitor and Reports.”  
Monitor Navigation  
Navigating Cisco PVM monitor features employs an easy-to-use interface requiring minimal clicks to  
obtain the desired results. The Monitor tab opens immediately when you log in to the system, first  
displaying the progress indicator while loading data, then displaying the Monitor Overview report. The  
Monitor GUI provides three windows:  
Navigation Menu  
Parameters Pane  
Report Display Pane  
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Chapter 3 Monitor  
Monitor Navigation  
Monitor Navigation Menu  
The Cisco PVM Generate Reports navigation menu categorizes monitoring and reports into suites. When  
the Monitor GUI opens, the system automatically runs the Overview report but hides the Generate  
Reports menu. Clicking the expand icon at the far left side of the Monitor GUI opens the Generate  
Reports menu (Figure 3-2), defaulted to Overview, with the report suite names displayed next to  
individual suite expansion icons. Clicking either the suite name (such as “Hosts”) or the expansion icon  
expands the list of reports available for that suite and hides the others.  
Figure 3-2  
Generate Reports Menu  
Report Suites  
The report suites open when you click on either the suite name or the expansion icon in the navigation  
menu. Table 3-1 describes the available report suites.  
Table 3-1  
Report Suites  
Suite  
Available Reports  
Description  
Overview  
Overview  
Displays, in graphic format, the TopN active hosts, DSCP applications, and  
active applications monitored for the selected Data Source Group.  
Note  
The value of N used in all Cisco PVM reports is configured under  
Setup > Preferences.  
Application  
Hosts  
Applications  
Provides the ability to see which applications are consuming network  
bandwidth, and reports on the number of packets and bytes for each application  
protocol.  
Hosts IP  
Provides an analysis of the traffic for each specific host. These reports display  
data on the host IP address, host name, in/out packets, in/out bytes, and  
non-unicast packets collected.  
Hosts MAC  
Conversations  
DSCP Group  
Conversation  
Displays data on the conversation traffic between various sources and  
destinations. Information displayed includes source IP address and name,  
destination IP address and name, protocol, packets, and bytes.  
DSCP  
Displays data on specific encoded information related to how packets traverse  
the network. These reports display data on the Aggregation Profile and Group  
Names, packets, bytes, protocols, and host IP addresses and names.  
DSCP Application  
DSCP Host  
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Monitor Navigation  
Table 3-1  
Report Suites (continued)  
Suite  
Available Reports  
Description  
Switch/Router  
Interface  
Displays the:  
Ethernet Traffic  
Ethernet Error  
Port name, in/out bytes, in/out packets, in/out Non-Unicast packets, in/out  
discards, in/out errors, and percentage in/out utilization.  
Bytes, packets, broadcast packets, and multicast packets.  
Dropped events, CRC align errors, under- and oversize packets, fragments,  
jabbers, and collisions.  
VLANs  
VLAN ID  
Displays data on the VLAN ID, errors, packets, bytes, non-unicast packets, and  
non-unicast bytes collected.  
VLAN Priority  
Note  
For samples and descriptions of individual reports, see Appendix B, “Report Samples for Monitor and  
Reports.”  
Overview  
When the Monitor GUI opens, the display defaults to Overview, which automatically displays in graphic  
format the TopN hosts, DSCP applications, and active applications monitored for a given Data Source  
Group (DSG). The data view defaults to All NAM; you can choose another data view from the  
parameters pane and click Run to refresh the Overview display with the new view.  
Figure 3-3 displays a sample Overview report.  
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Generating Reports Using Monitor  
Figure 3-3  
Monitor—Overview Report  
Note  
The value of N in TopN reports is configured, under Setup > Preferences, to values from 1 – 15. See  
Editing Preferences, page 2-50 for details. Additionally, unlike other TopN reports, the Monitor  
Overview display allows you to drill down to detailed host, application, or DSCP reports by clicking on  
a bar in one of the graphs.  
Generating Reports Using Monitor  
The report generation process in Cisco PVM requires minimal intervention. This section contains the  
following topics:  
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Generating Reports Using Monitor  
Report Generation Process  
The Cisco PVM Monitor tab opens automatically after you log in to the system. To generate reports  
under the Monitor tab:  
1. Log in to Cisco PVM.  
2. Allow the system to display the Progress Indicator and then the Monitor Overview report.  
3. Open a report suite and select a report.  
4. Open the parameters pane.  
5. Select the data source group, data view, desired data source (if applicable), and report type.  
6. Select the time or date range (if desired).  
7. Click Run.  
Note  
If you have not loaded any NAMs into Cisco PVM, you have removed them for some reason, or there  
are no Data Source Groups available in the system, the Monitor Overview pane will display an error  
indicating that no data is available to display the report. See Chapter 2, “Setup” for details on importing  
NAMs and creating Data Source Groups.  
Figure 3-4 displays a graphic representation of the report generation process under the Monitor tab.  
Figure 3-4  
Monitoring Report Generation Flow  
Login  
Monitor  
tab  
Monitor  
suite  
Select  
report  
Monitor  
parameters  
Run  
report  
Parameters  
selection  
Report Types  
The Report Type selection on the parameters window allows you to choose the data collection method  
to display:  
Current Rates—Displays the statistics collected over the selected time period.  
Cumulative Rates—Displays the statistics collected for the selected report element since the  
collection was created or within the selected time period.  
TopN—Displays the data collected for the TopN selected report elements, such as Hosts, VLANs,  
or Hosts, over the selected time period. See Editing Preferences, page 2-50 for details on  
configuring the system-wide value of N for all TopN reports.  
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Generating Reports Using Monitor  
Note  
For a complete explanation of available data views and report types, see Understanding Data Views,  
page 1-13.  
Monitor Parameters Pane  
Reports in Cisco PVM are generated with minimal input parameters: each report in the Cisco PVM  
Monitor GUI uses the parameters frame at the top of the window for parameter input. Figure 3-5 shows  
the Monitor parameters pane.  
Note  
Each time you select a new report to run, the parameters pane retains the parameters from the previously  
run report. The available Data Views and Report Types depend on the specific report selected. See  
Understanding Data Views, page 1-13 for more information.  
Figure 3-5  
Monitor Parameters Pane  
Table 3-2 describes the fields in the Monitor parameters pane.  
Monitor Parameters Pane Field Descriptions  
Table 3-2  
Field  
Type  
Description  
Data Source Group  
Drop-down list  
Allows you to select from a list of user-defined Data Source Groups.  
Note  
When you click the Monitor tab, the list defaults to the first group  
in the list. The Overview display that opens automatically is  
therefore reporting on the default Data Source Group.  
Data View  
Drop-down list next to Allows you to select the data view:  
Data Source Group  
Data Source  
All NAM [default]  
Aggregated  
Note  
If you select Data Source as the data view, the adjacent Data  
Source field is enabled.  
Report Type  
Drop-down list next to Allows you to select the type of report to view:  
Data View  
Cumulative Rates  
Current Rates  
TopN [default]  
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Table 3-2  
Monitor Parameters Pane Field Descriptions (continued)  
Drop-down list next to Allows you to select the specific data source for the report if the Data  
Data Source  
Data View  
Source view has been selected.  
Note  
The list defaults to the first data source available in the list for the  
NAM or switch selected in the Data Source Group list.  
Today  
Last  
Radio button  
Radio button  
Runs the report for all data collected since midnight. [default]  
Runs the report for the last n hours or minutes.  
Note  
The historical limit for reporting is the last seven days, but to run  
reports going back greater than 24 hours, it is easier to use the  
From/To fields.  
Auto Refresh  
From / To  
Check box  
Refreshes the displayed report at the interval selected in the Last option.  
Radio button with  
pop-up calendar icons  
Allows selection of a specific set of dates using the calendar icons to  
open the pop-up calendar for date selection.  
Note  
Reports can be run for up to the last seven days.  
Refresh  
Button  
Icon  
Refreshes the displayed report based on the selected parameters.  
Expands or collapses the Monitor parameters pane.  
Expand/Collapse  
Running a Report  
The following procedure uses the Applications report as an example. For samples and descriptions of  
individual reports, see the Appendix B, “Report Samples for Monitor and Reports.” appendix. For a  
complete explanation of available data views and report types, see Understanding Data Views, page 1-13  
in Cisco PVM Overview.  
Step 1  
Step 2  
Log in to Cisco PVM.  
The Overview report runs automatically and appears in the Monitor display pane.  
Select a report to run by  
a. clicking a suite name in the navigation menu and  
b. selecting the report name from the suite list.  
The selected report automatically runs based on the parameters used in the previously run report.  
Expand the parameters pane by clicking the expansion icon at the right of the Monitor window header. T  
The report parameters pane appears.  
Step 3  
Step 4  
Select the Data Source Group you want to monitor from the drop-down list (see Figure 3-6).  
Figure 3-6  
Select Data Source Group  
Step 5  
Select the data view you want to see from the drop-down list (see Figure 3-7).  
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Generating Reports Using Monitor  
Figure 3-7  
Data View Selection  
Step 6  
(Optional) If you have selected Data Source from the Data View list, select the specific data source you  
whose data you want to view in the report from the Data Source drop-down list (see Figure 3-8).  
Figure 3-8  
Data Source Selection  
Step 7  
Select the desired Report Type from the drop-down list (see Figure 3-9).  
Figure 3-9 Report Type Selection  
Note  
The Report Types available in the drop-down list depend on the report you have selected to run.  
Step 8  
Select the time point or range you want to view:  
To run the report for data collected since midnight, click the Today radio button.  
To run the report for the last n minutes or hours:  
Click the Last radio button.  
Enter the number for N in the number box (or use the up and down arrows to change the value  
in the box).  
Select Minutes or Hours from the drop-down list.  
To have the report display refresh every collection cycle, check the Auto Refresh box.  
To run the report for a specific date range, select the dates from the From and To pop-up calendars  
(see Figure 3-10).  
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Generating Reports Using Monitor  
Figure 3-10  
Calendar Selection  
Step 9  
Click Refresh. The system closes the parameters pane and displays the selected report.  
Figure 3-11 shows a sample report as it appears in the Monitor window.  
Figure 3-11  
Sample Report—Applications  
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Chapter 3 Monitor  
Drill-Down Capabilities  
Drill-Down Capabilities  
Cisco PVM reports display hyperlinks for linking one report to another. For example, from the  
Applications Report that displays a list of protocols in table rows, you can click on a Protocol hyperlink  
to access the Application Details report for that protocol. This section describes drill-down rules and  
design.  
This section contains the following topics:  
General Rules  
Cisco PVM reports adhere to the following rules for hyperlink access among reports:  
Each time you see a Host IP address, you can drill down to the host details.  
Each application allows you to drill down to the application details.  
Each time you see a NAM name, you can click on the name to open a new window for the individual  
NAM GUI and automatically sign him in.  
Real-time charting drill-down: each time you see an “R” hyperlink, you can click on the “R” to open  
a new window to monitor this report row details graphed in real-time. Drill-down capability is  
available on both Data Source view and All NAM view, for all tabular reports.  
Trend Reports drill-down: each time you see a “T” hyperlink, you can click on the “T” to drill down  
to this report row details graphed against the selected time period. This drill-down capability is  
available for Data Source, All NAM, and Aggregated views for all tabular reports.  
Table 3-3 shows the Cisco PVM reports and the reports you can access through the available drill-down  
hyperlinks.  
Table 3-3  
Reports Drill-Down Capability  
Report Name  
Drill-Down Reports Available  
Overview  
Host Details  
Application Details  
DSCP Applications  
Applications  
Hosts (IP)  
Application Details  
Host Details  
N/A  
Hosts (MAC)  
Conversations  
Source Host Details  
Destination Host Details  
DSCP  
N/A  
DSCP Application  
DSCP Host  
Application Details  
Host Details  
N/A  
Switch/Router  
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Drill-Down Capabilities  
Table 3-3  
Reports Drill-Down Capability (continued)  
Report Name  
VLAN ID  
Drill-Down Reports Available  
Applications  
N/A  
VLAN Priority  
Drill-Down Link Formats  
Figure 3-12 depicts the drill-down from a Hosts report to the Host Details report.  
Figure 3-12 Sample Drill-Down Format - Hosts to Host Details  
The host IP address for which the user wants to see details appears as a red hyperlink in the report shown  
on the left, and its respective Host Details report, shown on the right, opens when that hyperlink is  
clicked. In the Cisco PVM GUI, the second report replaces the initial report in the report display pane.  
You can click Back in the report header to see the initial report.  
Using Report Drill-Down Links  
Drill-down links are generally available in tabular reports only. Cisco PVM tabular reports include those  
run for cumulative and current rates; TopN reports do not normally allow drill-down to other reports.  
The exception is the Monitor Overview TopN display, which allows drill-down to specific reports when  
you click on a bar in one of the graphs.  
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Drill-Down Capabilities  
To use a report drill-down links, complete the following steps:  
Step 1  
Step 2  
Open a tabular report by running a new report or opening an archived report.  
In the table, find the linked resource about which you want more information, such as the Host ID or  
Protocol.  
Tip  
You can use the sorting arrows in the column header to re-sort the resource or performance  
information, or use the pagination links in the report header to view different pages of the report.  
Step 3  
Step 4  
Click the desired resource name or application protocol hyperlink.  
The drill-down report opens and replaces the display of the original report.  
Click additional resource name or application protocol hyperlinks available in the first drill-down report  
to display additional reports containing details for the desired resource or application.  
Opening the NAM Traffic Analyzer  
You can link directly to the Cisco NAM Traffic Analyzer for NAM configuration options from Cisco  
PVM reports. The traffic analyzer opens in a new window.  
Note  
The traffic analyzer opens directly to a specific NAM only if that NAM has been set up in Cisco PVM  
with the correct user ID and password (Setup > NAM in the Cisco PVM GUI) or if the current Cisco  
PVM user credentials match the NAM credentials. If the traffic analyzer does not open for the desired  
NAM, log in to the NAM using the traffic analyzer’s login window, or contact the Cisco PVM  
administrator to obtain traffic analyzer login information.  
To open the NAM traffic analyzer, complete the following steps:  
Step 1  
Step 2  
Run a report for the desired statistic.  
Click the “NAM (Type)” hyperlink at the top of the report display window.  
The NAM Traffic Analyzer opens in a new browser window, signed on automatically to the correct NAM  
if that NAM’s logon information has been set up in Cisco PVM or if your user credentials allow you to  
access the NAM. Figure 3-13 shows the NAM Traffic Analyzer window opened just beneath the “NAM  
(Type)” hyperlink.  
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Real-Time Charts  
Figure 3-13  
NAM Traffic Analyzer Window  
Step 3  
Step 4  
Review or change NAM or switch/router parameters in the traffic analyzer window.  
Note  
Changes you make using the traffic analyzer affect future data aggregation and reports only.  
Close the NAM Traffic Analyzer by clicking the close button in the upper right corner of the window.  
Real-Time Charts  
Cisco PVM provides access to real-time data through links available in tabular reports. Reports contain  
a link in each table row that opens a chart pop-up for the corresponding report element, such as a host  
or protocol.  
The Real-Time Chart pop-up allows you to troubleshoot a specific data source by displaying a  
continuously refreshed plot of its current performance. Monitoring begins as soon as the window opens.  
The chart will automatically refresh every 30 seconds and additional data points will be plotted. At any  
time, you can change the selected variable and click Submit to restart monitoring.  
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Real-Time Charts  
This section contains the following topics:  
Variables Available for Real-Time Monitoring  
Variables are displayed for individual statistics as rates in units per second (such as PACKETS/SEC).  
This rate reflects the change in the selected variable value over time. Table 3-4 shows the real-time  
variables that you can monitor for the different statistics available in Cisco PVM tabular reports.  
Table 3-4  
Available Variables for Real-Time Charts  
Statistic Type  
Available Variables (units/sec)  
Packets  
Application Statistics  
Bytes  
Hosts (IP) Statistics  
In Packets  
In Bytes  
Out Packets  
Out Bytes  
Non-Unicast Packets  
In Packets  
Hosts (MAC) Statistics  
Out Packets  
In Bytes  
Out Bytes  
Multicast Packets  
Broadcast Packets  
Packets  
Conversation  
Bytes  
DSCP Statistics  
Application Packets  
Application Bytes  
Application Packets  
Application Bytes  
In Packets  
DSCP Application Statistics  
DSCP Host Statistics  
In Bytes  
Out Packets  
Out Bytes  
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Real-Time Charts  
Table 3-4  
Available Variables for Real-Time Charts (continued)  
Statistic Type  
Available Variables (units/sec)  
Switch/Router: Interface  
Statistics  
In Packets  
In Bytes  
Out Packets  
Out Bytes  
Incoming Non-Unicast Packets  
Outgoing Non-Unicast Packets  
Discarded Ins  
Discarded Outs  
In Errors  
Switch/Router: Ethernet Traffic Bytes  
Statistics  
Packets  
Broadcast Packets  
Multicast Packets  
Drop Events  
Switch/Router: Ethernet Error  
Statistics  
CRC Errors  
Oversize Packets  
Undersize Packets  
Jabbers  
Fragment Counts  
Number of Collisions  
Packets  
VLAN ID Statistics  
Bytes  
Non-Unicast Packets  
Non-Unicast Bytes  
Packets  
VLAN Priority Statistics  
Bytes  
Displaying a Real-Time Chart  
To display a real-time chart, complete the following steps:  
Step 1  
Step 2  
Run a tabular report using either Data Source or All NAM views, and look at the hyperlinks available on  
the left side of the report pane.  
Click the R hyperlink, next to the report element whose real-time data you want to view, as shown in  
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Real-Time Charts  
Figure 3-14  
Real-Time Chart Hyperlink  
The Real-Time Chart pop-up opens and begins monitoring by displaying the Data Source and variable  
selected in the original report, as shown in Figure 3-15.  
Figure 3-15  
Real-Time Chart Sample  
Table 3-5 describes the fields in a Real-Time Chart.  
Table 3-5  
Real-Time Chart Field Description  
Element  
Type  
Description  
Started  
Fixed Text  
Displays the date and time that the real-time display parameters were  
submitted for charting.  
NAM  
Fixed Text  
Displays the name of the NAM whose data flow is being monitored.  
Data Source Drop-down List Allows selection of the desired NAM Data Source for monitoring.  
Note  
The chart automatically refreshes and begins collecting new  
data points whenever you select a new Data Source.  
Variable  
Drop-down List Allows selection of the data type to monitor, such as packets or bytes.  
Note  
The chart automatically refreshes and begins collecting new  
data points whenever you select a new Variable.  
Chart Y-Axis Fixed Text  
Displays the variable selected within the chart for display, such as  
packets or bytes.  
Chart X-Axis Dynamic Data  
Displays the current time of day in increments that continuously  
refresh as time passes.  
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Trend Reports  
Table 3-5  
Real-Time Chart Field Description (continued)  
Element  
Type  
Description  
Chart Body  
Dynamic Data  
Displays a line graph with demarcated points that continuously  
refresh as the time increments pass.  
Close  
Button  
Closes the chart pop-up window.  
Note  
The chart refreshes and displays new data points every 30 seconds.  
Step 3  
Change the data being monitored by:  
a. Selecting a desired Data Source from the drop-down list.  
b. Selecting a desired Variable from the drop-down list.  
The chart refreshes automatically and begins to display a new set of data points based on the new  
Data Source or Variable selections.  
Note  
Clicking Close terminates data refresh and closes the chart window.  
Trend Reports  
Cisco PVM provides dynamic performance reporting capability within the Reports GUI by displaying a  
link to a Trend Report on each report pane. The report displays raw data for the selected network  
component (such as protocol, host, or interface) with a superimposed line showing the data trend over  
time, offering a magnified view of the data flow for analysis of abnormal or problematic patterns.  
To see different statistics for the same report displayed as a Trend report, simply click a different metric  
within the report display (such as PACKETS or BYTES) and the chart automatically refreshes.  
This section contains the following topics:  
Trend Statistics  
Trend reports are available from tabular reports (those showing Current Rates or Cumulative Data) for  
the following statistics:  
Applications  
Interface  
Ethernet Traffic  
Ethernet Errors  
Conversations  
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Trend Reports  
DSCP  
DSCP Application  
DSCP Host  
Hosts (IP)  
Hosts (MAC)  
VLAN ID and  
VLAN Priority.  
The various metrics for each statistics are viewable through links directly in the Trend Report. Drilling  
down from a tabular to a Trend Report depends on which Report View is currently displayed. The  
drill-down rules are summarized in Table 3-6.  
Table 3-6  
Trend Report Drill-Down Rules  
Current Tabular Report View Trend Report Values  
Aggregated  
All NAM  
The metric value will be aggregated across the Data Source Group.  
The metric value will be aggregated for those data sources that are  
both part of the selected Data Source Group and the specific NAM  
selected for drill-down.  
Data Source  
The metric value will display for the data source specified in the  
original report.  
Displaying a Trend Report  
Complete the following steps to display a trend report:  
Step 1  
Step 2  
Generate a tabular report.  
Click the T link next to the desired element in the report display, as shown in Figure 3-16.  
Figure 3-16  
Trend Report Hyperlink  
The Trend Report displays in the Reports window, as shown in Figure 3-17.  
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Trend Reports  
Figure 3-17  
Trend Report Sample  
Table 3-7 describes the fields available in Trend reports.  
Table 3-7  
Trend Report Field Descriptions  
Field  
Description  
Title  
The report name from which the Trend Report was accessed (the original report  
accessed in Reports), with a label indicating that the display is a Trend Report.  
Time Period  
The time period selected to generate the original report.  
NAM (TYPE)  
The NAM supplying the data flow and the NAM type (NAM-1, NAM-2, or  
NM-NAM).  
Data Entity Name The name of the source being monitored, such as the VLAN ID name.  
Chart Title  
The Trend Report name and data variable being monitored (as selected in the  
original report).  
Variable [link]  
Y-Axis  
The variables (metrics) available for viewing in the Trend Report.  
The name and value of the data variable being monitored (such as packets or  
bytes).  
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Trend Reports  
Table 3-7  
Trend Report Field Descriptions (continued)  
Field  
Description  
X-Axis  
Chart Body  
The incremental timestamps for the trending interval being monitored.  
The trending line with data labels indicating the raw data value for the selected  
metric over time and the trend line.  
Tip  
You can change the data type being displayed by clicking one of the green hyperlink boxes at  
the top of the report display.  
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