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Adding Network Elements to the Node Database 4-35
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If you have a mission-critical node which requires more frequent updates than can be
achieved during the database polling cycle, you can keep Chassis Manager running to be
constantly appraised of its contact status; the Chassis Manager application uses its own
polling mechanism independent of the node database polling in the NetSight Element
Manager platform. Refer to the appropriate device-specific User’s Guide for more
information on using Chassis Manager; refer to Adjusting Default Settings in Chapter 2
for more information on configuring the default Chassis Manager poll settings. You can
also issue an immediate status poll at any time by selecting Manage—>Query Status
from the primary window menu bar, or Query Status from the right mouse menu.
To change the poll settings for an individual node:
1. In the Method text box, use the down arrow to display a list of selectable
polling options: None, Ping, SNMP MIB I, or SNMP MIB II. Drag down to
select the desired option, and release.
2. In the Interval text box, enter the amount of time (in seconds) you want
NetSight Element Manager to wait between polls to the interface. The valid
range is 5 to 9999 seconds.
3. In the Retries field, enter the number of unsuccessful polls that must occur
before NetSight Element Manager changes the node status to critical and
logs an event. The valid range is 0 to 100.
4. Click Apply (if available) to save your changes and leave the Properties
window open; or click OK to save your changes and close the window.
Three additional values may appear in the Method field, although they are not selectable
options:
DLM Agent If the selected device has been configured to be a DLM Agent,
the default polled interface will display a Method value of
DLM Agent, and the polling method will not be editable for
that interface.
DLM Client If the selected device has been configured as a DLM Client and
its assigned DLM Agent is functioning correctly, the default
polled interface will display a Method value of DLM Client,
and the polling method will not be editable for that interface.
DLM Client (Direct) If the selected device has been configured as a DLM Client and
its assigned DLM Agent is malfunctioning, the default polled
interface will display a method value of DLM Client (Direct),
indicating that NetSight Element Manager has taken over
polling of the device until the DLM Agent’s malfunction is
corrected. Again, the polling method will not be editable for
that interface.
For more information about DLM and configuring status groups, see the DLM chapter in
the NetSight Element Manager Tools Guide.