
30 Chapter 1 Device Manager basics
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Opening a device
“Opening” a device displays the device view, a picture of the device. To open the
device view, you must enter community strings that determine the access level
granted to the device.
Hotswap Poll
Interval
The interval at which Device Manager polls for module information. The
default is 60 seconds.
Enable Enables (true) or disables (false) periodic polling of the device for updated
status. If polling is disabled, the chassis status is updated only when you
click Refresh on the Chassis tab.
SNMP Retry Count Number of times Device Manager sends the same polling request if a
response is not returned to Device Manager.
You may want to set this field to three or four.
Timeout Length of each retry of each polling waiting period. When you access the
device through a slow link, you may want to increase the timeout interval
and then change the Retransmission Strategy to superlinear.
Trace The trace field is used to enable and disable SNMP tracing. When Trace
is selected, SNMP protocol data units (PDUs) are displayed in the Device
> Log dialog box.
Register for Traps When selected (enabled), automatically registers to received traps when
Device Manager is launched against a device.
Listen for Traps When selected (enabled), Device manager listens for traps from the
device.
Max Traps in Log The specified number of traps that may exist in the trap log. The default is
500.
Trap Port Specifies the UDP port that Device Manager will listen on to receive
SNMP traps.
Confirm row
deletion
A dialog box displays when checked, before deleting a row.
Table 1 Properties dialog box items (continued)
Area Item Description
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