HP StorageWorks 2/140 FW 07.00.00/HAFM SW 08.06.00 McDATA E/OS SNMP Support Ma - Page 21
E/OS Trap Overview, Enterprise, Agent address, Generic trap type, Specific trap code, Time stamp
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McDATA SNMP Support 2 E/OS Trap Overview NOTE: All E/OS traps are SNMPv1 format, regardless of MIB definition syntax. SNMP traps are specific types of SNMP messages enclosed in UDP packets as shown: [ IP Packet [ UDP Packet [ SNMP Message ] ] ] The SNMP message format is: [ Version | Community | SNMP PDU ] There are different formats for the SNMP PDUs, including trap PDUs, for SNMPv1 and SNMPv2. These are summarized here: SNMPv1 Trap PDU: [ Enterprise | Agent address | Generic trap type | Specific trap code | Time stamp | Object/Value 1 | Object/Value 2.... ] The following descriptions summarize these fields: Enterprise-Identifies the type of managed object generating the trap. Agent address-Provides the address of the managed object generating the trap. Generic trap type-Indicates one of a number of generic trap types. Specific trap code-Indicates one of a number of specific trap codes. Time stamp-Provides the amount of time that has elapsed between the last network reinitialization and generation of the trap. Variable bindings-The data field of the SNMPv1 Trap PDU. Each variable binding associates a particular object instance with its current value The following descriptions summarize the fields illustrated below for the SNMPv2 PDU format: PDU type-Identifies the type of PDU transmitted (Get, GetNext, Inform, Response, Set, or Trap). Request ID-Associates SNMP requests with responses. E/OS Trap Overview 2-3