Planning for Network Growth
How the Network Performance Advisor Collects Data
10-21
Figure 10-12.
The data collector must examine your management station’s capabilities to
determine what is appropriate for the resource setting that you select. The
capabilities test begins when you click on the Apply Changes button. You will
see a screen listing some statistics about the test. Data collection will stop
during the test, and your management station may run slowly When the test
is complete (approximately four minutes), your resource settings will be in
effect.
Potential Problems with Data Collection
The existing historical traffic data becomes invalid when certain events occur,
for example:
■ When segments are split.
■ When a node is moved to another segment.
■ When you load a new topology file for a different network.
The Data Collector will reinitialize automatically after Discovery runs, in case
new devices or segments were discovered or devices were moved.
Data collection must take place for at least an hour before the Network
Planning report recommendations are valid. If changes to the network are
frequent, it will be difficult to accumulate a sufficient amount of traffic data
to generate accurate recommendations.
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