Agilent Technologies J3972A User's Guide Page 269

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Load Monitor
Displaying Load
268 5967–9446
Example 1 To find out what nodes are sending and receiving data during peak net-
work usage, run Load Monitor against an ERM data source.
Select ViewZoom… from the base window. The default Zoom path is
TimeSourceDestination. This Zoom path lets you determine what
source node is talking to which destination node at any available time
interval.
To find out which source nodes were communicating during peak load,
follow these steps:
1 Double click on the highest peak in the Time graph.
A dashed vertical line is drawn through the selected time interval, as
shown in figure 58 on page 269, and the Source and Destination
graphs are updated to show their status during this time interval. In
addition, the title area for the Time graph shows the selected interval,
and the current Zoom focus points are described just below the Zoom
path pop-up menus.
If you get an error, it may be that the Time graph is showing data
For Each Update Interval. To use the Zoom feature, the Time
graph must be showing data For Each Collection Interval (the
default setting). This data property is discussed on page 290.
2 Double click on any source node in the Source graph.
A dashed line appears through the selected source node’s bar, and the
Destination graph is updated to show which nodes were receiving traf-
fic from the selected source node during peak network usage. The
Source graph’s title area also reflects the selected source node, as does
the Zoom focus point description beneath the pop-up menus.
3 Double click on a different source node in the Source graph.
A dashed line appears through the new source node’s bar, and the Des-
tination graph changes to reflect which nodes were communicating
with this source node. The graph title area and Zoom focus point
description are also updated.
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