HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x MIB Reference Guide (AA-RVH - Page 32

Object instances, Loading HP MIBs

Page 32 highlights

SW traps There are six specific traps defined in HP SW-TRAP: • swfault (no longer supported) • swSensorScn (no longer supported) • swFCPortScn: This trap is generated by a port state change. • swEventTrap: This trap is generated by any switch event reported to the system error log. • swFabricWatchTrap: This trap is generated when any Fabric Watch threshold is reached. • swTrackChangesTrap: This trap is generated by a login or a logout. The SW-TRAP can be configured to send traps using the snmpConfig command. See the HP StorageWorks Fabric OS 5.x command reference guide for more information on this command. Object instances MIB objects are defined by the OID, which is the type of object, and by the instance number, which is an instance of that MIB object. A Fibre Channel port is a MIB object, and port 0 is an instance of that object. The following is an OID number and an instance number: 1.3.6.1.4.1.1588.2.1.1.1.6.2.1.11.5 where: 1.3.6.1.4.1.1588.2.1.1.1.6.2.1.11 is the object ID (of swFCPortTxWords) and 5 is the instance ID for port 4. NOTE: You must add 1 to the port number to get its instance number in SNMP, because SNMP numbering starts at 1; switch port numbering starts at 0. Loading HP MIBs The HP MIB is a set of variables that are private extensions to the Internet standard MIB-II. The MIB-II standard is documented in Request for Comment (RFC) 1213, Management Information Base for Network Management of TCP/IP-based Internets: MIB-II. The HP agents support many other Internet-standard MIBs. These standard MIBs are defined in RFC publications. To find specific MIB information, examine the HP MIB structure and the standard RFC MIBs supported by HP. This section describes the requirements and dependencies when loading MIBs and includes: • "Before loading MIBs" on page 32 • "MIB loading order" on page 33 Before loading MIBs Before loading HP MIB files, ensure that you have the correct version of SNMP for your Fabric OS version (see Table 2). Table 2 Fabric OS supported SNMP versions Firmware SNMPv1 SNMPv2 SNMPv3 Fabric OS 2.6.2 and previous Yes Yes1 No Fabric OS 3.2.0 and previous Yes Yes1 No Fabric OS 4.2.0 and previous Yes No No Fabric OS 4.4.0 Yes Yes1 Yes2 Fabric OS 5.0 Yes Yes1 Yes2 1 The corresponding Fabric OS has SNMPv2 capabilities, but it is not officially supported by HP. 2 Fabric OS 4.4.0 and 5.0 support SNMPv3-USM (snmpUsmMIB) MIB, which is available as RFC 3414. 32 Understanding HP SNMP

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32
Understanding HP SNMP
SW traps
There are six specific traps defined in HP SW-TRAP:
swfault
(no longer supported)
swSensorScn
(no longer supported)
swFCPortScn:
This trap is generated by a port state change.
swEventTrap:
This trap is generated by any switch event reported to the system error log.
swFabricWatchTrap:
This trap is generated when any Fabric Watch threshold is reached.
swTrackChangesTrap:
This trap is generated by a login or a logout.
The SW-TRAP can be configured to send traps using the
snmpConfig
command. See the
HP
StorageWorks Fabric OS 5.x command reference guide
for more information on this command.
Object instances
MIB objects are defined by the OID, which is the type of object, and by the instance number, which is an
instance of that MIB object. A Fibre Channel port is a MIB object, and port 0 is an instance of that object.
The following is an OID number and an instance number:
1.3.6.1.4.1.1588.2.1.1.1.6.2.1.11.5
where:
1.3.6.1.4.1.1588.2.1.1.1.6.2.1.11 is the object ID (of swFCPortTxWords) and
5
is the instance ID for port 4.
NOTE:
You must add 1 to the port number to get its instance number in SNMP, because SNMP
numbering starts at 1; switch port numbering starts at 0.
Loading HP MIBs
The HP MIB is a set of variables that are private extensions to the Internet standard MIB-II. The MIB-II
standard is documented in Request for Comment (RFC) 1213,
Management Information Base for Network
Management of TCP/IP-based Internets: MIB-II
. The HP agents support many other Internet-standard MIBs.
These standard MIBs are defined in RFC publications. To find specific MIB information, examine the HP
MIB structure and the standard RFC MIBs supported by HP.
This section describes the requirements and dependencies when loading MIBs and includes:
Before loading MIBs
” on page 32
MIB loading order
” on page 33
Before loading MIBs
Before loading HP MIB files, ensure that you have the correct version of SNMP for your Fabric OS version
(see
Table 2
).
Table 2
Fabric OS supported SNMP versions
Firmware
SNMPv1
SNMPv2
SNMPv3
Fabric OS 2.6.2 and previous
Yes
Yes
1
No
Fabric OS 3.2.0 and previous
Yes
Yes
1
No
Fabric OS 4.2.0 and previous
Yes
No
No
Fabric OS 4.4.0
Yes
Yes
1
Yes
2
Fabric OS 5.0
Yes
Yes
1
Yes
2
1
The corresponding Fabric OS has SNMPv2 capabilities, but it is not officially supported by HP.
2
Fabric OS 4.4.0 and 5.0 support SNMPv3-USM (snmpUsmMIB) MIB, which is available as RFC 3414.