HP StorageWorks 2/140 FW 08.01.00 McDATA E/OS SNMP Support Manual (620-000131- - Page 24

McDATA SNMP Support 2 • FCEOS MIB, the McDATA enterprise specific MIB supporting the McDATA switch and director firmware. • SNMP Framework MIB. • SNMPv3 MIB. E/OS Trap Overview NOTE: E/OS traps support SNMP V1/V2c/V3 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. 2-2 E/OS SNMP Support Manual