Avaya Managing Routers and BNX Platforms Manual de usuario Pagina 99

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Monitoring Statistics
4-21
Stopping Statistics Retrieval
To stop the Statistics Manager from collecting any further statistics in the current
screen, select ViewStop Retrieval.
Creating Statistics Filters
You can set a display filter or a retrieval filter for each statistics screen you open
from the Statistics Manager Launch Facility.
Without filtering, the Statistics Manager polls a router for the values of all MIB
objects defined in the currently active statistics screen. The screen subsequently
shows the values of those objects, as determined by the data returned by the
router.
A display filter is a software mechanism that enables the Statistics Manager to
search the entire contents of the currently active statistics screen and then
Show only those rows that contain an object that contains a string matching in
value to the filter string. (This is the display filter’s Display option.)
Hide only those rows that contain an object that contains a string matching in
value to the filter string. (This is the display filter’s No Display option.)
Specifying a longer display filter string narrows the number of match possibilities
available from the currently active statistics screen.
A retrieval filter is a software mechanism that enables the Statistics Manager to
poll a router for only a subset of specific MIB objects. These objects have instance
IDs that match the full or partial instance ID you enter in the Retrieval Filter
window.
The currently active statistics screen subsequently displays the values of those
objects, as determined by the data returned by the polled router. The Statistics
Manager polls only one router in each statistics window.
The retrieval filtering mechanism for a statistics screen works substantially in the
same way as does the retrieval filtering mechanism for the Quick Get Facility.
That is, specifying more of the instance ID in the Retrieval Filter window causes
the workstation to solicit a smaller number of objects from a router. This, in turn,
typically reduces the number of objects displayed in the active statistics screen.
Using retrieval filters to collect statistics across your network reduces
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