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Two drawbacks to SNMP traps are that they are sent using UDP, which is not a guaranteed delivery mechanism, and
that they are not acknowledged by the receiver.
An SNMP trap message contains the trap’s enterprise OID, the agent IP address, a generic trap ID, the specific trap ID,
a time stamp, and zero or more variable bindings (varbinds). The combination of an enterprise OID and a specific trap ID
uniquely identifies each Server Administrator-defined trap. A varbind consists of an OID and its value and provides
additional information about the trap.
In order for a management system to receive SNMP traps from a managed system, the node must be configured to send
traps to the management system. Trap destination configuration is dependent on the operating system. When this
configuration is done, a management application on the management system can wait for traps and act on them when
received.
For a list of traps supported by the Server Administrator Instrumentation Service, see Instrumentation Traps. For
information on Server Administrator Storage Management traps, see Storage Management Alert Reference.
For a list of traps supported by the Remote Access Controller, see RAC Traps, BMC Traps and iDRAC7 Traps.
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