3com 3CRWXR10095A User Manual
Accessing Realtime Performance Statistics
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Generally, the scope is an aggregate object, which means that it is made
up of sub-objects. (The exception is when a scope is a set of ports.) When
you see performance data for the aggregate object, you are seeing the
sum of the data of the sub-objects. For example, a WX consists of ports.
Performance data for a WX is the sum of per-port performance data
values.
up of sub-objects. (The exception is when a scope is a set of ports.) When
you see performance data for the aggregate object, you are seeing the
sum of the data of the sub-objects. For example, a WX consists of ports.
Performance data for a WX is the sum of per-port performance data
values.
7 To change the level of detail, click the button next to Select Detail (the
button text depends on what scope you selected), and select a level of
detail from the list. (For more information, see “To see details for
performance data” on page 452.)
detail from the list. (For more information, see “To see details for
performance data” on page 452.)
If you make changes in the network plan that affect the object
membership list (for example, you add a WX to a Mobility Domain and
deploy it), the current monitoring session does not update this change.
Stop the session, and restart performance monitoring for the scope.
membership list (for example, you add a WX to a Mobility Domain and
deploy it), the current monitoring session does not update this change.
Stop the session, and restart performance monitoring for the scope.
For more information about viewing performance data, see “Viewing
Performance Data” on page 451. For more information about exporting
data, see “Exporting Performance Data” on page 455.
Performance Data” on page 451. For more information about exporting
data, see “Exporting Performance Data” on page 455.
Viewing Performance
Data
When looking at performance data in the Statistics tab, you can see the
data in absolute or delta values.
data in absolute or delta values.
Delta (rate of change) values are calculated with the following equation:
value at end of polling interval - value at beginning of polling interval
time difference (in seconds)