Snmp Agent Functions; Snmp Traps; Snmp Environment Architecture; Example Of Snmp Operations - HP StorageWorks XP20000/XP24000 - Disk Array Reference Manual

Figure 2 SNMP Environment Architecture
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The following figure shows an example of SNMP operations by using an SNMP manager.
Figure 3 Example of SNMP Operations
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SNMP Agent Functions

SNMP Traps

An SNMP agent reports a storage system error to a SNMP manager using the trap report function.
If an error occurs, an SNMP agent issues an SNMP trap to an SNMP manager to report a failure.
Issuing an SNMP trap, an SNMP agent also reports a product number, nickname, reference code,
and an identifier of the component.
The following table lists the events that trigger an SNMP agent trap.
Table 1 SNMP Trap Triggering Events
Events
Acute failure detected.
Serious failure detected.
Moderate failure detected.
Description
All operations in a storage system stopped.
Operation in a component where a failure occurred
stopped.
Partial failure.
XP24000/XP20000 SNMP Agent Reference Guide 9