Configuring Metric Polling
Metric Polling is the periodic collection of performance data from network devices by means of the Simple Network Management Protocol (SNMP) or by Windows Management Instrumentation (WMI).
If the device is SNMP v1 enabled or v2c enabled, NetIM must be configured with that device's SNMP read-only community string. If the device is SNMP v3 enabled, NetIM must be configured with that device’s SNMP v3 credentials. If the device is a WMI-enabled Windows server or personal computer, NetIM must be configured with that device’s WMI credentials.
NetIM uses polling profiles to control the type of data that is polled from each device. A polling profile specifies:
• A set of metrics that should be collected
• A set of interfaces from which those metrics should be collected
• How often metrics should be collected
A polling profile can be associated with one or more network devices.
Polling profiles can be user-defined, as explained in
Using the Polling wizard to create, clone, edit or delete Polling Profiles. However, NetIM automatically assigns a default polling profile to every device that does not have a user-defined profile.
This section contains the following topics on configuring metric polling:
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