rfc2790
Network Working Group S. Waldbusser
Request for Comments: 2790 Lucent Technologies Inc.
Obsoletes: 1514 P. Grillo
Category: Standards Track WeSync.com
March 2000
Host Resources MIB
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2000). All Rights Reserved.
Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
This memo obsoletes RFC 1514, the "Host Resources MIB". This memo
extends that specification by clarifying changes based on
implementation and deployment experience and documenting the Host
Resources MIB in SMIv2 format while remaining semantically identical
to the existing SMIv1-based MIB.
This memo defines a MIB for use with managing host systems. The term
"host" is construed to mean any computer that communicates with other
similar computers attached to the internet and that is directly used
by one or more human beings. Although this MIB does not necessarily
apply to devices whose primary function is communications services
(e.g., terminal servers, routers, bridges, monitoring equipment),
such relevance is not explicitly precluded. This MIB instruments
attributes common to all internet hosts including, for example, both
personal computers and systems that run variants of Unix.
Waldbusser & Grillo Standards Track [Page 1]
RFC 2790 Host Resources MIB March 2000
Table of Contents
1 The SNMP Management Framework ............................ 2
2 Host Resources MIB ....................................... 3
3 IANA Considerations ...................................... 4
4 Definitions .............................................. 4
4.1 Textual Conventions .................................... 6
4.2 The Host Resources System Group ........................ 7
4.3 The Host Resources Storage Group ....................... 9
4.4 The Host Resources Device Group ........................ 12
4.5 The Host Resources Running Software Group .............. 26
4.6 The Host Resources Running Software Performance
Group ................................................. 29
4.7 The Host Resources Installed Software Group ............ 30
4.8 Conformance Definitions ................................ 33
5 Type Definitions ......................................... 36
6 Internationalization Considerations ...................... 44
7 Security Considerations .................................. 45
8 References ............................................... 46
9 Acknowledgments .......................................... 48
10 Authors' Addresses ...................................... 49
11 Intellectual Property ................................... 49
12 Full Copyright Statement ................................ 50
1. The SNMP Management Framework
The SNMP Management Framework presently consists of five major
components:
o An overall architecture, described in RFC 2571 [RFC2571].
o Mechanisms for describing and naming objects and events for the
purpose of management. The first version of this Structure of
Management Information (SMI) is called SMIv1 and described in STD
16, RFC 1155 [RFC1155], STD 16, RFC 1212 [RFC1212] and RFC 1215
[RFC1215]. The second version, called SMIv2, is described in STD
58, RFC 2578 [RFC2578], RFC 2579 [RFC2579] and RFC 2580
[RFC2580].
o Message protocols for transferring management information. The
first version of the SNMP message protocol is called SNMPv1 and
described in STD 15, RFC 1157 [RFC1157]. A second version of the
SNMP message protocol, which is not an Internet standards track
protocol, is called SNMPv2c and described in RFC 1901 [RFC1901]
and RFC 1906 [RFC1906]. The third version of the message protocol
is called SNMPv3 and described in RFC 1906 [RFC1906], RFC 2572
[RFC2572] and RFC 2574 [RFC2574].
Waldbusser & Grillo Standards Track [Page 2]
RFC 2790 Host Resources MIB March 2000
o Protocol operations for accessing management information. The
first set of protocol operations and associated PDU formats is
described in STD 15, RFC 1157 [RFC1157]. A second set of protocol
operations and associated PDU formats is described in RFC 1905
[RFC1905].
o A set of fundamental applications described in RFC 2573 [RFC2573]
and the view-based access control mechanism described in RFC 2575
[RFC2575].
A more detailed introduction to the current SNMP Management Framework
can be found in RFC 2570 [RFC2570].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the mechanisms defined in the SMI.
This memo specifies a MIB module that is compliant to the SMIv2. A
MIB conforming to the SMIv1 can be produced through the appropriate
translations. The resulting translated MIB must be semantically
equivalent, except where objects or events are omitted because no
translation is possible (use of Counter64). Some machine readable
information in SMIv2 will be converted into textual descriptions in
SMIv1 during the translation process. However, this loss of machine
readable information is not considered to change the semantics of the
MIB.
2. Host Resources MIB
The Host Resources MIB defines a uniform set of objects useful for
the management of host computers. Host computers are independent of
the operating system, network services, or any software application.
The Host Resources MIB defines objects which are common across many
computer system architectures.
In addition, there are objects in the SNMPv2-MIB [RFC1907] and IF-MIB
[RFC2233] which also provide host management functionality.
Implementation of the System and Interfaces groups is mandatory for
implementors of the Host Resources MIB.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED","MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
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RFC 2790 Host Resources MIB March 2000
3. IANA Considerations
This MIB contains type definitions for storage types, device types,
and file system types for use as values for the hrStorageType,
hrDeviceType, and hrFSType objects, respectively. As new computing
technologies are developed, new types need to be registered for these
technologies. The IANA (Internet Assigned Numbers Authority) is
designated as the registration authority for new registrations beyond
those published in this document. The IANA will maintain the HOST-
RESOURCES-TYPES module as new registrations are added and publish new
versions of this module.
Given the large number of such technologies and potential confusion
in naming of these technologies (such as a technology known by two
names or a name and an acronym), there is a real danger that more
than one registration might be created for what is essentially the
same technology. In order to ensure that future type registrations
are performed correctly, applications for new types will be reviewed
by a Designated Expert appointed by the IESG.
4. Definitions
HOST-RESOURCES-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, mib-2,
Integer32, Counter32, Gauge32, TimeTicks FROM SNMPv2-SMI
TEXTUAL-CONVENTION, DisplayString,
TruthValue, DateAndTime, AutonomousType FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF
InterfaceIndexOrZero FROM IF-MIB;
hostResourcesMibModule MODULE-IDENTITY
LAST-UPDATED "200003060000Z" -- 6 March 2000
ORGANIZATION "IETF Host Resources MIB Working Group"
CONTACT-INFO
"Steve Waldbusser
Postal: Lucent Technologies, Inc.
1213 Innsbruck Dr.
Sunnyvale, CA 94089
USA
Phone: 650-318-1251
Fax: 650-318-1633
Email: waldbusser@lucent.com
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RFC 2790 Host Resources MIB March 2000
In addition, the Host Resources MIB mailing list is
dedicated to discussion of this MIB. To join the
mailing list, send a request message to
hostmib-request@andrew.cmu.edu. The mailing list
address is hostmib@andrew.cmu.edu."
DESCRIPTION
"This MIB is for use in managing host systems. The term
`host' is construed to mean any computer that communicates
with other similar computers attached to the internet and
that is directly used by one or more human beings. Although
this MIB does not necessarily apply to devices whose primary
function is communications services (e.g., terminal servers,
routers, bridges, monitoring equipment), such relevance is
not explicitly precluded. This MIB instruments attributes
common to all internet hosts including, for example, both
personal computers and systems that run variants of Unix."
REVISION "200003060000Z" -- 6 March 2000
DESCRIPTION
"Clarifications and bug fixes based on implementation
experience. This revision was also reformatted in the SMIv2
format. The revisions made were:
New RFC document standards:
Added Copyright notice, updated introduction to SNMP
Framework, updated references section, added reference to
RFC 2119, and added a meaningful Security Considerations
section.
New IANA considerations section for registration of new types
Conversion to new SMIv2 syntax for the following types and
macros:
Counter32, Integer32, Gauge32, MODULE-IDENTITY,
OBJECT-TYPE, TEXTUAL-CONVENTION, OBJECT-IDENTITY,
MODULE-COMPLIANCE, OBJECT-GROUP
Used new Textual Conventions:
TruthValue, DateAndTime, AutonomousType,
InterfaceIndexOrZero
Fixed typo in hrPrinterStatus.
Added missing error bits to hrPrinterDetectedErrorState and
clarified confusion resulting from suggested mappings to
hrPrinterStatus.
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RFC 2790 Host Resources MIB March 2000
Clarified that size of objects of type
InternationalDisplayString is number of octets, not number
of encoded symbols.
Clarified the use of the following objects based on
implementation experience:
hrSystemInitialLoadDevice, hrSystemInitialLoadParameters,
hrMemorySize, hrStorageSize, hrStorageAllocationFailures,
hrDeviceErrors, hrProcessorLoad, hrNetworkIfIndex,
hrDiskStorageCapacity, hrSWRunStatus, hrSWRunPerfCPU,
and hrSWInstalledDate.
Clarified implementation technique for hrSWInstalledTable.
Used new AUGMENTS clause for hrSWRunPerfTable.
Added Internationalization Considerations section.
This revision published as RFC2790."
REVISION "9910202200Z" -- 20 October, 1999
DESCRIPTION
"The original version of this MIB, published as
RFC1514."
::= { hrMIBAdminInfo 1 }
host OBJECT IDENTIFIER ::= { mib-2 25 }
hrSystem OBJECT IDENTIFIER ::= { host 1 }
hrStorage OBJECT IDENTIFIER ::= { host 2 }
hrDevice OBJECT IDENTIFIER ::= { host 3 }
hrSWRun OBJECT IDENTIFIER ::= { host 4 }
hrSWRunPerf OBJECT IDENTIFIER ::= { host 5 }
hrSWInstalled OBJECT IDENTIFIER ::= { host 6 }
hrMIBAdminInfo OBJECT IDENTIFIER ::= { host 7 }
-- textual conventions
KBytes ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"Storage size, expressed in units of 1024 bytes."
SYNTAX Integer32 (0..2147483647)
ProductID ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This textual convention is intended to identify the
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RFC 2790 Host Resources MIB March 2000
manufacturer, model, and version of a specific
hardware or software product. It is suggested that
these OBJECT IDENTIFIERs are allocated such that all
products from a particular manufacturer are registered
under a subtree distinct to that manufacturer. In
addition, all versions of a product should be
registered under a subtree distinct to that product.
With this strategy, a management station may uniquely
determine the manufacturer and/or model of a product
whose productID is unknown to the management station.
Objects of this type may be useful for inventory
purposes or for automatically detecting
incompatibilities or version mismatches between
various hardware and software components on a system.
For example, the product ID for the ACME 4860 66MHz
clock doubled processor might be:
enterprises.acme.acmeProcessors.a4860DX2.MHz66
A software product might be registered as:
enterprises.acme.acmeOperatingSystems.acmeDOS.six(6).one(1)
"
SYNTAX OBJECT IDENTIFIER
-- unknownProduct will be used for any unknown ProductID
-- unknownProduct OBJECT IDENTIFIER ::= { 0 0 }
InternationalDisplayString ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This data type is used to model textual information
in some character set. A network management station
should use a local algorithm to determine which
character set is in use and how it should be
displayed. Note that this character set may be
encoded with more than one octet per symbol, but will
most often be NVT ASCII. When a size clause is
specified for an object of this type, the size refers
to the length in octets, not the number of symbols."
SYNTAX OCTET STRING
-- The Host Resources System Group
hrSystemUptime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"The amount of time since this host was last
initialized. Note that this is different from
sysUpTime in the SNMPv2-MIB [RFC1907] because
sysUpTime is the uptime of the network management
portion of the system."
::= { hrSystem 1 }
hrSystemDate OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The host's notion of the local date and time of day."
::= { hrSystem 2 }
hrSystemInitialLoadDevice OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The index of the hrDeviceEntry for the device from
which this host is configured to load its initial
operating system configuration (i.e., which operating
system code and/or boot parameters).
Note that writing to this object just changes the
configuration that will be used the next time the
operating system is loaded and does not actually cause
the reload to occur."
::= { hrSystem 3 }
hrSystemInitialLoadParameters OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE (0..128))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object contains the parameters (e.g. a pathname
and parameter) supplied to the load device when
requesting the initial operating system configuration
from that device.
Note that writing to this object just changes the
configuration that will be used the next time the
operating system is loaded and does not actually cause
the reload to occur."
::= { hrSystem 4 }
hrSystemNumUsers OBJECT-TYPE
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SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of user sessions for which this host is
storing state information. A session is a collection
of processes requiring a single act of user
authentication and possibly subject to collective job
control."
::= { hrSystem 5 }
hrSystemProcesses OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of process contexts currently loaded or
running on this system."
::= { hrSystem 6 }
hrSystemMaxProcesses OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of process contexts this system
can support. If there is no fixed maximum, the value
should be zero. On systems that have a fixed maximum,
this object can help diagnose failures that occur when
this maximum is reached."
::= { hrSystem 7 }
-- The Host Resources Storage Group
-- Registration point for storage types, for use with hrStorageType.
-- These are defined in the HOST-RESOURCES-TYPES module.
hrStorageTypes OBJECT IDENTIFIER ::= { hrStorage 1 }
hrMemorySize OBJECT-TYPE
SYNTAX KBytes
UNITS "KBytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The amount of physical read-write main memory,
typically RAM, contained by the host."
::= { hrStorage 2 }
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hrStorageTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrStorageEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of logical storage areas on
the host.
An entry shall be placed in the storage table for each
logical area of storage that is allocated and has
fixed resource limits. The amount of storage
represented in an entity is the amount actually usable
by the requesting entity, and excludes loss due to
formatting or file system reference information.
These entries are associated with logical storage
areas, as might be seen by an application, rather than
physical storage entities which are typically seen by
an operating system. Storage such as tapes and
floppies without file systems on them are typically
not allocated in chunks by the operating system to
requesting applications, and therefore shouldn't
appear in this table. Examples of valid storage for
this table include disk partitions, file systems, ram
(for some architectures this is further segmented into
regular memory, extended memory, and so on), backing
store for virtual memory (`swap space').
This table is intended to be a useful diagnostic for
`out of memory' and `out of buffers' types of
failures. In addition, it can be a useful performance
monitoring tool for tracking memory, disk, or buffer
usage."
::= { hrStorage 3 }
hrStorageEntry OBJECT-TYPE
SYNTAX HrStorageEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one logical storage area on
the host. As an example, an instance of the
hrStorageType object might be named hrStorageType.3"
INDEX { hrStorageIndex }
::= { hrStorageTable 1 }
HrStorageEntry ::= SEQUENCE {
hrStorageIndex Integer32,
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hrStorageType AutonomousType,
hrStorageDescr DisplayString,
hrStorageAllocationUnits Integer32,
hrStorageSize Integer32,
hrStorageUsed Integer32,
hrStorageAllocationFailures Counter32
}
hrStorageIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each logical storage area
contained by the host."
::= { hrStorageEntry 1 }
hrStorageType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of storage represented by this entry."
::= { hrStorageEntry 2 }
hrStorageDescr OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A description of the type and instance of the storage
described by this entry."
::= { hrStorageEntry 3 }
hrStorageAllocationUnits OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
UNITS "Bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The size, in bytes, of the data objects allocated
from this pool. If this entry is monitoring sectors,
blocks, buffers, or packets, for example, this number
will commonly be greater than one. Otherwise this
number will typically be one."
::= { hrStorageEntry 4 }
hrStorageSize OBJECT-TYPE
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RFC 2790 Host Resources MIB March 2000
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The size of the storage represented by this entry, in
units of hrStorageAllocationUnits. This object is
writable to allow remote configuration of the size of
the storage area in those cases where such an
operation makes sense and is possible on the
underlying system. For example, the amount of main
memory allocated to a buffer pool might be modified or
the amount of disk space allocated to virtual memory
might be modified."
::= { hrStorageEntry 5 }
hrStorageUsed OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The amount of the storage represented by this entry
that is allocated, in units of
hrStorageAllocationUnits."
::= { hrStorageEntry 6 }
hrStorageAllocationFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of requests for storage represented by
this entry that could not be honored due to not enough
storage. It should be noted that as this object has a
SYNTAX of Counter32, that it does not have a defined
initial value. However, it is recommended that this
object be initialized to zero, even though management
stations must not depend on such an initialization."
::= { hrStorageEntry 7 }
-- The Host Resources Device Group
--
-- The device group is useful for identifying and diagnosing the
-- devices on a system. The hrDeviceTable contains common
-- information for any type of device. In addition, some devices
-- have device-specific tables for more detailed information. More
-- such tables may be defined in the future for other device types.
-- Registration point for device types, for use with hrDeviceType.
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RFC 2790 Host Resources MIB March 2000
-- These are defined in the HOST-RESOURCES-TYPES module.
hrDeviceTypes OBJECT IDENTIFIER ::= { hrDevice 1 }
hrDeviceTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrDeviceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of devices contained by the
host."
::= { hrDevice 2 }
hrDeviceEntry OBJECT-TYPE
SYNTAX HrDeviceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one device contained by the
host. As an example, an instance of the hrDeviceType
object might be named hrDeviceType.3"
INDEX { hrDeviceIndex }
::= { hrDeviceTable 1 }
HrDeviceEntry ::= SEQUENCE {
hrDeviceIndex Integer32,
hrDeviceType AutonomousType,
hrDeviceDescr DisplayString,
hrDeviceID ProductID,
hrDeviceStatus INTEGER,
hrDeviceErrors Counter32
}
hrDeviceIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each device contained by the host.
The value for each device must remain constant at
least from one re-initialization of the agent to the
next re-initialization."
::= { hrDeviceEntry 1 }
hrDeviceType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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RFC 2790 Host Resources MIB March 2000
"An indication of the type of device.
If this value is
`hrDeviceProcessor { hrDeviceTypes 3 }' then an entry
exists in the hrProcessorTable which corresponds to
this device.
If this value is
`hrDeviceNetwork { hrDeviceTypes 4 }', then an entry
exists in the hrNetworkTable which corresponds to this
device.
If this value is
`hrDevicePrinter { hrDeviceTypes 5 }', then an entry
exists in the hrPrinterTable which corresponds to this
device.
If this value is
`hrDeviceDiskStorage { hrDeviceTypes 6 }', then an
entry exists in the hrDiskStorageTable which
corresponds to this device."
::= { hrDeviceEntry 2 }
hrDeviceDescr OBJECT-TYPE
SYNTAX DisplayString (SIZE (0..64))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual description of this device, including the
device's manufacturer and revision, and optionally,
its serial number."
::= { hrDeviceEntry 3 }
hrDeviceID OBJECT-TYPE
SYNTAX ProductID
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The product ID for this device."
::= { hrDeviceEntry 4 }
hrDeviceStatus OBJECT-TYPE
SYNTAX INTEGER {
unknown(1),
running(2),
warning(3),
testing(4),
down(5)
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}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current operational state of the device described
by this row of the table. A value unknown(1)
indicates that the current state of the device is
unknown. running(2) indicates that the device is up
and running and that no unusual error conditions are
known. The warning(3) state indicates that agent has
been informed of an unusual error condition by the
operational software (e.g., a disk device driver) but
that the device is still 'operational'. An example
would be a high number of soft errors on a disk. A
value of testing(4), indicates that the device is not
available for use because it is in the testing state.
The state of down(5) is used only when the agent has
been informed that the device is not available for any
use."
::= { hrDeviceEntry 5 }
hrDeviceErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of errors detected on this device. It
should be noted that as this object has a SYNTAX of
Counter32, that it does not have a defined initial
value. However, it is recommended that this object be
initialized to zero, even though management stations
must not depend on such an initialization."
::= { hrDeviceEntry 6 }
hrProcessorTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrProcessorEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of processors contained by the
host.
Note that this table is potentially sparse: a
(conceptual) entry exists only if the correspondent
value of the hrDeviceType object is
`hrDeviceProcessor'."
::= { hrDevice 3 }
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hrProcessorEntry OBJECT-TYPE
SYNTAX HrProcessorEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one processor contained by
the host. The hrDeviceIndex in the index represents
the entry in the hrDeviceTable that corresponds to the
hrProcessorEntry.
As an example of how objects in this table are named,
an instance of the hrProcessorFrwID object might be
named hrProcessorFrwID.3"
INDEX { hrDeviceIndex }
::= { hrProcessorTable 1 }
HrProcessorEntry ::= SEQUENCE {
hrProcessorFrwID ProductID,
hrProcessorLoad Integer32
}
hrProcessorFrwID OBJECT-TYPE
SYNTAX ProductID
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The product ID of the firmware associated with the
processor."
::= { hrProcessorEntry 1 }
hrProcessorLoad OBJECT-TYPE
SYNTAX Integer32 (0..100)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The average, over the last minute, of the percentage
of time that this processor was not idle.
Implementations may approximate this one minute
smoothing period if necessary."
::= { hrProcessorEntry 2 }
hrNetworkTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrNetworkEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of network devices contained
by the host.
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RFC 2790 Host Resources MIB March 2000
Note that this table is potentially sparse: a
(conceptual) entry exists only if the correspondent
value of the hrDeviceType object is
`hrDeviceNetwork'."
::= { hrDevice 4 }
hrNetworkEntry OBJECT-TYPE
SYNTAX HrNetworkEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one network device contained
by the host. The hrDeviceIndex in the index
represents the entry in the hrDeviceTable that
corresponds to the hrNetworkEntry.
As an example of how objects in this table are named,
an instance of the hrNetworkIfIndex object might be
named hrNetworkIfIndex.3"
INDEX { hrDeviceIndex }
::= { hrNetworkTable 1 }
HrNetworkEntry ::= SEQUENCE {
hrNetworkIfIndex InterfaceIndexOrZero
}
hrNetworkIfIndex OBJECT-TYPE
SYNTAX InterfaceIndexOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of ifIndex which corresponds to this
network device. If this device is not represented in
the ifTable, then this value shall be zero."
::= { hrNetworkEntry 1 }
hrPrinterTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrPrinterEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of printers local to the host.
Note that this table is potentially sparse: a
(conceptual) entry exists only if the correspondent
value of the hrDeviceType object is
`hrDevicePrinter'."
::= { hrDevice 5 }
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hrPrinterEntry OBJECT-TYPE
SYNTAX HrPrinterEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one printer local to the
host. The hrDeviceIndex in the index represents the
entry in the hrDeviceTable that corresponds to the
hrPrinterEntry.
As an example of how objects in this table are named,
an instance of the hrPrinterStatus object might be
named hrPrinterStatus.3"
INDEX { hrDeviceIndex }
::= { hrPrinterTable 1 }
HrPrinterEntry ::= SEQUENCE {
hrPrinterStatus INTEGER,
hrPrinterDetectedErrorState OCTET STRING
}
hrPrinterStatus OBJECT-TYPE
SYNTAX INTEGER {
other(1),
unknown(2),
idle(3),
printing(4),
warmup(5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current status of this printer device."
::= { hrPrinterEntry 1 }
hrPrinterDetectedErrorState OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object represents any error conditions detected
by the printer. The error conditions are encoded as
bits in an octet string, with the following
definitions:
Condition Bit #
lowPaper 0
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RFC 2790 Host Resources MIB March 2000
noPaper 1
lowToner 2
noToner 3
doorOpen 4
jammed 5
offline 6
serviceRequested 7
inputTrayMissing 8
outputTrayMissing 9
markerSupplyMissing 10
outputNearFull 11
outputFull 12
inputTrayEmpty 13
overduePreventMaint 14
Bits are numbered starting with the most significant
bit of the first byte being bit 0, the least
significant bit of the first byte being bit 7, the
most significant bit of the second byte being bit 8,
and so on. A one bit encodes that the condition was
detected, while a zero bit encodes that the condition
was not detected.
This object is useful for alerting an operator to
specific warning or error conditions that may occur,
especially those requiring human intervention."
::= { hrPrinterEntry 2 }
hrDiskStorageTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrDiskStorageEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of long-term storage devices
contained by the host. In particular, disk devices
accessed remotely over a network are not included
here.
Note that this table is potentially sparse: a
(conceptual) entry exists only if the correspondent
value of the hrDeviceType object is
`hrDeviceDiskStorage'."
::= { hrDevice 6 }
hrDiskStorageEntry OBJECT-TYPE
SYNTAX HrDiskStorageEntry
MAX-ACCESS not-accessible
STATUS current
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RFC 2790 Host Resources MIB March 2000
DESCRIPTION
"A (conceptual) entry for one long-term storage device
contained by the host. The hrDeviceIndex in the index
represents the entry in the hrDeviceTable that
corresponds to the hrDiskStorageEntry. As an example,
an instance of the hrDiskStorageCapacity object might
be named hrDiskStorageCapacity.3"
INDEX { hrDeviceIndex }
::= { hrDiskStorageTable 1 }
HrDiskStorageEntry ::= SEQUENCE {
hrDiskStorageAccess INTEGER,
hrDiskStorageMedia INTEGER,
hrDiskStorageRemoveble TruthValue,
hrDiskStorageCapacity KBytes
}
hrDiskStorageAccess OBJECT-TYPE
SYNTAX INTEGER {
readWrite(1),
readOnly(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An indication if this long-term storage device is
readable and writable or only readable. This should
reflect the media type, any write-protect mechanism,
and any device configuration that affects the entire
device."
::= { hrDiskStorageEntry 1 }
hrDiskStorageMedia OBJECT-TYPE
SYNTAX INTEGER {
other(1),
unknown(2),
hardDisk(3),
floppyDisk(4),
opticalDiskROM(5),
opticalDiskWORM(6), -- Write Once Read Many
opticalDiskRW(7),
ramDisk(8)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An indication of the type of media used in this long-
term storage device."
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RFC 2790 Host Resources MIB March 2000
::= { hrDiskStorageEntry 2 }
hrDiskStorageRemoveble OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Denotes whether or not the disk media may be removed
from the drive."
::= { hrDiskStorageEntry 3 }
hrDiskStorageCapacity OBJECT-TYPE
SYNTAX KBytes
UNITS "KBytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total size for this long-term storage device. If
the media is removable and is currently removed, this
value should be zero."
::= { hrDiskStorageEntry 4 }
hrPartitionTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrPartitionEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of partitions for long-term
storage devices contained by the host. In particular,
partitions accessed remotely over a network are not
included here."
::= { hrDevice 7 }
hrPartitionEntry OBJECT-TYPE
SYNTAX HrPartitionEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one partition. The
hrDeviceIndex in the index represents the entry in the
hrDeviceTable that corresponds to the
hrPartitionEntry.
As an example of how objects in this table are named,
an instance of the hrPartitionSize object might be
named hrPartitionSize.3.1"
INDEX { hrDeviceIndex, hrPartitionIndex }
::= { hrPartitionTable 1 }
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HrPartitionEntry ::= SEQUENCE {
hrPartitionIndex Integer32,
hrPartitionLabel InternationalDisplayString,
hrPartitionID OCTET STRING,
hrPartitionSize KBytes,
hrPartitionFSIndex Integer32
}
hrPartitionIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each partition on this long-term
storage device. The value for each long-term storage
device must remain constant at least from one re-
initialization of the agent to the next re-
initialization."
::= { hrPartitionEntry 1 }
hrPartitionLabel OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE (0..128))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual description of this partition."
::= { hrPartitionEntry 2 }
hrPartitionID OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A descriptor which uniquely represents this partition
to the responsible operating system. On some systems,
this might take on a binary representation."
::= { hrPartitionEntry 3 }
hrPartitionSize OBJECT-TYPE
SYNTAX KBytes
UNITS "KBytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The size of this partition."
::= { hrPartitionEntry 4 }
hrPartitionFSIndex OBJECT-TYPE
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SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The index of the file system mounted on this
partition. If no file system is mounted on this
partition, then this value shall be zero. Note that
multiple partitions may point to one file system,
denoting that that file system resides on those
partitions. Multiple file systems may not reside on
one partition."
::= { hrPartitionEntry 5 }
-- The File System Table
-- Registration point for popular File System types,
-- for use with hrFSType. These are defined in the
-- HOST-RESOURCES-TYPES module.
hrFSTypes OBJECT IDENTIFIER ::= { hrDevice 9 }
hrFSTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrFSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of file systems local to this
host or remotely mounted from a file server. File
systems that are in only one user's environment on a
multi-user system will not be included in this table."
::= { hrDevice 8 }
hrFSEntry OBJECT-TYPE
SYNTAX HrFSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one file system local to
this host or remotely mounted from a file server.
File systems that are in only one user's environment
on a multi-user system will not be included in this
table.
As an example of how objects in this table are named,
an instance of the hrFSMountPoint object might be
named hrFSMountPoint.3"
INDEX { hrFSIndex }
::= { hrFSTable 1 }
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HrFSEntry ::= SEQUENCE {
hrFSIndex Integer32,
hrFSMountPoint InternationalDisplayString,
hrFSRemoteMountPoint InternationalDisplayString,
hrFSType AutonomousType,
hrFSAccess INTEGER,
hrFSBootable TruthValue,
hrFSStorageIndex Integer32,
hrFSLastFullBackupDate DateAndTime,
hrFSLastPartialBackupDate DateAndTime
}
hrFSIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each file system local to this
host. The value for each file system must remain
constant at least from one re-initialization of the
agent to the next re-initialization."
::= { hrFSEntry 1 }
hrFSMountPoint OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE(0..128))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The path name of the root of this file system."
::= { hrFSEntry 2 }
hrFSRemoteMountPoint OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE(0..128))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A description of the name and/or address of the
server that this file system is mounted from. This
may also include parameters such as the mount point on
the remote file system. If this is not a remote file
system, this string should have a length of zero."
::= { hrFSEntry 3 }
hrFSType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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RFC 2790 Host Resources MIB March 2000
"The value of this object identifies the type of this
file system."
::= { hrFSEntry 4 }
hrFSAccess OBJECT-TYPE
SYNTAX INTEGER {
readWrite(1),
readOnly(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An indication if this file system is logically
configured by the operating system to be readable and
writable or only readable. This does not represent
any local access-control policy, except one that is
applied to the file system as a whole."
::= { hrFSEntry 5 }
hrFSBootable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether this file system is
bootable."
::= { hrFSEntry 6 }
hrFSStorageIndex OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The index of the hrStorageEntry that represents
information about this file system. If there is no
such information available, then this value shall be
zero. The relevant storage entry will be useful in
tracking the percent usage of this file system and
diagnosing errors that may occur when it runs out of
space."
::= { hrFSEntry 7 }
hrFSLastFullBackupDate OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The last date at which this complete file system was
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RFC 2790 Host Resources MIB March 2000
copied to another storage device for backup. This
information is useful for ensuring that backups are
being performed regularly.
If this information is not known, then this variable
shall have the value corresponding to January 1, year
0000, 00:00:00.0, which is encoded as
(hex)'00 00 01 01 00 00 00 00'."
::= { hrFSEntry 8 }
hrFSLastPartialBackupDate OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The last date at which a portion of this file system
was copied to another storage device for backup. This
information is useful for ensuring that backups are
being performed regularly.
If this information is not known, then this variable
shall have the value corresponding to January 1, year
0000, 00:00:00.0, which is encoded as
(hex)'00 00 01 01 00 00 00 00'."
::= { hrFSEntry 9 }
-- The Host Resources Running Software Group
--
-- The hrSWRunTable contains an entry for each distinct piece of
-- software that is running or loaded into physical or virtual
-- memory in preparation for running. This includes the host's
-- operating system, device drivers, and applications.
hrSWOSIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of the hrSWRunIndex for the hrSWRunEntry
that represents the primary operating system running
on this host. This object is useful for quickly and
uniquely identifying that primary operating system."
::= { hrSWRun 1 }
hrSWRunTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrSWRunEntry
MAX-ACCESS not-accessible
STATUS current
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RFC 2790 Host Resources MIB March 2000
DESCRIPTION
"The (conceptual) table of software running on the
host."
::= { hrSWRun 2 }
hrSWRunEntry OBJECT-TYPE
SYNTAX HrSWRunEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for one piece of software
running on the host Note that because the installed
software table only contains information for software
stored locally on this host, not every piece of
running software will be found in the installed
software table. This is true of software that was
loaded and run from a non-local source, such as a
network-mounted file system.
As an example of how objects in this table are named,
an instance of the hrSWRunName object might be named
hrSWRunName.1287"
INDEX { hrSWRunIndex }
::= { hrSWRunTable 1 }
HrSWRunEntry ::= SEQUENCE {
hrSWRunIndex Integer32,
hrSWRunName InternationalDisplayString,
hrSWRunID ProductID,
hrSWRunPath InternationalDisplayString,
hrSWRunParameters InternationalDisplayString,
hrSWRunType INTEGER,
hrSWRunStatus INTEGER
}
hrSWRunIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each piece of software running on
the host. Wherever possible, this should be the
system's native, unique identification number."
::= { hrSWRunEntry 1 }
hrSWRunName OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE (0..64))
MAX-ACCESS read-only
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RFC 2790 Host Resources MIB March 2000
STATUS current
DESCRIPTION
"A textual description of this running piece of
software, including the manufacturer, revision, and
the name by which it is commonly known. If this
software was installed locally, this should be the
same string as used in the corresponding
hrSWInstalledName."
::= { hrSWRunEntry 2 }
hrSWRunID OBJECT-TYPE
SYNTAX ProductID
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The product ID of this running piece of software."
::= { hrSWRunEntry 3 }
hrSWRunPath OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE(0..128))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A description of the location on long-term storage
(e.g. a disk drive) from which this software was
loaded."
::= { hrSWRunEntry 4 }
hrSWRunParameters OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE(0..128))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A description of the parameters supplied to this
software when it was initially loaded."
::= { hrSWRunEntry 5 }
hrSWRunType OBJECT-TYPE
SYNTAX INTEGER {
unknown(1),
operatingSystem(2),
deviceDriver(3),
application(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of this software."
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RFC 2790 Host Resources MIB March 2000
::= { hrSWRunEntry 6 }
hrSWRunStatus OBJECT-TYPE
SYNTAX INTEGER {
running(1),
runnable(2), -- waiting for resource
-- (i.e., CPU, memory, IO)
notRunnable(3), -- loaded but waiting for event
invalid(4) -- not loaded
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The status of this running piece of software.
Setting this value to invalid(4) shall cause this
software to stop running and to be unloaded. Sets to
other values are not valid."
::= { hrSWRunEntry 7 }
-- The Host Resources Running Software Performance Group
--
-- The hrSWRunPerfTable contains an entry corresponding to
-- each entry in the hrSWRunTable.
hrSWRunPerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrSWRunPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of running software
performance metrics."
::= { hrSWRunPerf 1 }
hrSWRunPerfEntry OBJECT-TYPE
SYNTAX HrSWRunPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry containing software performance
metrics. As an example, an instance of the
hrSWRunPerfCPU object might be named
hrSWRunPerfCPU.1287"
AUGMENTS { hrSWRunEntry } -- This table augments information in
-- the hrSWRunTable.
::= { hrSWRunPerfTable 1 }
HrSWRunPerfEntry ::= SEQUENCE {
hrSWRunPerfCPU Integer32,
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RFC 2790 Host Resources MIB March 2000
hrSWRunPerfMem KBytes
}
hrSWRunPerfCPU OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of centi-seconds of the total system's CPU
resources consumed by this process. Note that on a
multi-processor system, this value may increment by
more than one centi-second in one centi-second of real
(wall clock) time."
::= { hrSWRunPerfEntry 1 }
hrSWRunPerfMem OBJECT-TYPE
SYNTAX KBytes
UNITS "KBytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total amount of real system memory allocated to
this process."
::= { hrSWRunPerfEntry 2 }
-- The Host Resources Installed Software Group
--
-- The hrSWInstalledTable contains an entry for each piece
-- of software installed in long-term storage (e.g. a disk
-- drive) locally on this host. Note that this does not
-- include software loadable remotely from a network
-- server.
--
-- Different implementations may track software in varying
-- ways. For example, while some implementations may track
-- executable files as distinct pieces of software, other
-- implementations may use other strategies such as keeping
-- track of software "packages" (e.g., related groups of files)
-- or keeping track of system or application "patches".
--
-- This table is useful for identifying and inventorying
-- software on a host and for diagnosing incompatibility
-- and version mismatch problems between various pieces
-- of hardware and software.
hrSWInstalledLastChange OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
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RFC 2790 Host Resources MIB March 2000
STATUS current
DESCRIPTION
"The value of sysUpTime when an entry in the
hrSWInstalledTable was last added, renamed, or
deleted. Because this table is likely to contain many
entries, polling of this object allows a management
station to determine when re-downloading of the table
might be useful."
::= { hrSWInstalled 1 }
hrSWInstalledLastUpdateTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when the hrSWInstalledTable
was last completely updated. Because caching of this
data will be a popular implementation strategy,
retrieval of this object allows a management station
to obtain a guarantee that no data in this table is
older than the indicated time."
::= { hrSWInstalled 2 }
hrSWInstalledTable OBJECT-TYPE
SYNTAX SEQUENCE OF HrSWInstalledEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table of software installed on this
host."
::= { hrSWInstalled 3 }
hrSWInstalledEntry OBJECT-TYPE
SYNTAX HrSWInstalledEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A (conceptual) entry for a piece of software
installed on this host.
As an example of how objects in this table are named,
an instance of the hrSWInstalledName object might be
named hrSWInstalledName.96"
INDEX { hrSWInstalledIndex }
::= { hrSWInstalledTable 1 }
HrSWInstalledEntry ::= SEQUENCE {
hrSWInstalledIndex Integer32,
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RFC 2790 Host Resources MIB March 2000
hrSWInstalledName InternationalDisplayString,
hrSWInstalledID ProductID,
hrSWInstalledType INTEGER,
hrSWInstalledDate DateAndTime
}
hrSWInstalledIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value for each piece of software installed
on the host. This value shall be in the range from 1
to the number of pieces of software installed on the
host."
::= { hrSWInstalledEntry 1 }
hrSWInstalledName OBJECT-TYPE
SYNTAX InternationalDisplayString (SIZE (0..64))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual description of this installed piece of
software, including the manufacturer, revision, the
name by which it is commonly known, and optionally,
its serial number."
::= { hrSWInstalledEntry 2 }
hrSWInstalledID OBJECT-TYPE
SYNTAX ProductID
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The product ID of this installed piece of software."
::= { hrSWInstalledEntry 3 }
hrSWInstalledType OBJECT-TYPE
SYNTAX INTEGER {
unknown(1),
operatingSystem(2),
deviceDriver(3),
application(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of this software."
::= { hrSWInstalledEntry 4 }
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RFC 2790 Host Resources MIB March 2000
hrSWInstalledDate OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The last-modification date of this application as it
would appear in a directory listing.
If this information is not known, then this variable
shall have the value corresponding to January 1, year
0000, 00:00:00.0, which is encoded as
(hex)'00 00 01 01 00 00 00 00'."
::= { hrSWInstalledEntry 5 }
-- Conformance information
hrMIBCompliances OBJECT IDENTIFIER ::= { hrMIBAdminInfo 2 }
hrMIBGroups OBJECT IDENTIFIER ::= { hrMIBAdminInfo 3 }
-- Compliance Statements
hrMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The requirements for conformance to the Host Resources MIB."
MODULE -- this module
MANDATORY-GROUPS { hrSystemGroup, hrStorageGroup,
hrDeviceGroup }
OBJECT hrSystemDate
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT hrSystemInitialLoadDevice
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT hrSystemInitialLoadParameters
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT hrStorageSize
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
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RFC 2790 Host Resources MIB March 2000
OBJECT hrFSLastFullBackupDate
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT hrFSLastPartialBackupDate
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
GROUP hrSWRunGroup
DESCRIPTION
"The Running Software Group. Implementation
of this group is mandatory only when the
hrSWRunPerfGroup is implemented."
OBJECT hrSWRunStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
GROUP hrSWRunPerfGroup
DESCRIPTION
"The Running Software Performance Group.
Implementation of this group is at the discretion
of the implementor."
GROUP hrSWInstalledGroup
DESCRIPTION
"The Installed Software Group.
Implementation of this group is at the discretion
of the implementor."
::= { hrMIBCompliances 1 }
hrSystemGroup OBJECT-GROUP
OBJECTS {
hrSystemUptime, hrSystemDate,
hrSystemInitialLoadDevice,
hrSystemInitialLoadParameters,
hrSystemNumUsers, hrSystemProcesses,
hrSystemMaxProcesses
}
STATUS current
DESCRIPTION
"The Host Resources System Group."
::= { hrMIBGroups 1 }
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RFC 2790 Host Resources MIB March 2000
hrStorageGroup OBJECT-GROUP
OBJECTS {
hrMemorySize, hrStorageIndex, hrStorageType,
hrStorageDescr, hrStorageAllocationUnits,
hrStorageSize, hrStorageUsed,
hrStorageAllocationFailures
}
STATUS current
DESCRIPTION
"The Host Resources Storage Group."
::= { hrMIBGroups 2 }
hrDeviceGroup OBJECT-GROUP
OBJECTS {
hrDeviceIndex, hrDeviceType, hrDeviceDescr,
hrDeviceID, hrDeviceStatus, hrDeviceErrors,
hrProcessorFrwID, hrProcessorLoad,
hrNetworkIfIndex, hrPrinterStatus,
hrPrinterDetectedErrorState,
hrDiskStorageAccess, hrDiskStorageMedia,
hrDiskStorageRemoveble, hrDiskStorageCapacity,
hrPartitionIndex, hrPartitionLabel,
hrPartitionID, hrPartitionSize,
hrPartitionFSIndex, hrFSIndex, hrFSMountPoint,
hrFSRemoteMountPoint, hrFSType, hrFSAccess,
hrFSBootable, hrFSStorageIndex,
hrFSLastFullBackupDate,
hrFSLastPartialBackupDate
}
STATUS current
DESCRIPTION
"The Host Resources Device Group."
::= { hrMIBGroups 3 }
hrSWRunGroup OBJECT-GROUP
OBJECTS {
hrSWOSIndex, hrSWRunIndex, hrSWRunName,
hrSWRunID, hrSWRunPath, hrSWRunParameters,
hrSWRunType, hrSWRunStatus
}
STATUS current
DESCRIPTION
"The Host Resources Running Software Group."
::= { hrMIBGroups 4 }
hrSWRunPerfGroup OBJECT-GROUP
OBJECTS { hrSWRunPerfCPU, hrSWRunPerfMem }
STATUS current
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RFC 2790 Host Resources MIB March 2000
DESCRIPTION
"The Host Resources Running Software
Performance Group."
::= { hrMIBGroups 5 }
hrSWInstalledGroup OBJECT-GROUP
OBJECTS {
hrSWInstalledLastChange,
hrSWInstalledLastUpdateTime,
hrSWInstalledIndex, hrSWInstalledName,
hrSWInstalledID, hrSWInstalledType,
hrSWInstalledDate
}
STATUS current
DESCRIPTION
"The Host Resources Installed Software Group."
::= { hrMIBGroups 6 }
END
5. Type Definitions
HOST-RESOURCES-TYPES DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-IDENTITY FROM SNMPv2-SMI
hrMIBAdminInfo, hrStorage, hrDevice FROM HOST-RESOURCES-MIB;
hostResourcesTypesModule MODULE-IDENTITY
LAST-UPDATED "200003060000Z" -- 6 March, 2000
ORGANIZATION "IETF Host Resources MIB Working Group"
CONTACT-INFO
"Steve Waldbusser
Postal: Lucent Technologies, Inc.
1213 Innsbruck Dr.
Sunnyvale, CA 94089
USA
Phone: 650-318-1251
Fax: 650-318-1633
Email: waldbusser@ins.com
In addition, the Host Resources MIB mailing list is dedicated
to discussion of this MIB. To join the mailing list, send a
request message to hostmib-request@andrew.cmu.edu. The mailing
list address is hostmib@andrew.cmu.edu."
DESCRIPTION
"This MIB module registers type definitions for
storage types, device types, and file system types.
Waldbusser & Grillo Standards Track [Page 36]
RFC 2790 Host Resources MIB March 2000
After the initial revision, this module will be
maintained by IANA."
REVISION "200003060000Z" -- 6 March 2000
DESCRIPTION
"The original version of this module, published as RFC
2790."
::= { hrMIBAdminInfo 4 }
-- Registrations for some storage types, for use with hrStorageType
hrStorageTypes OBJECT IDENTIFIER ::= { hrStorage 1 }
hrStorageOther OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used when no other defined
type is appropriate."
::= { hrStorageTypes 1 }
hrStorageRam OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for RAM."
::= { hrStorageTypes 2 }
hrStorageVirtualMemory OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for virtual memory,
temporary storage of swapped or paged memory."
::= { hrStorageTypes 3 }
hrStorageFixedDisk OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for non-removable
rigid rotating magnetic storage devices."
::= { hrStorageTypes 4 }
hrStorageRemovableDisk OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for removable rigid
rotating magnetic storage devices."
::= { hrStorageTypes 5 }
hrStorageFloppyDisk OBJECT-IDENTITY
STATUS current
DESCRIPTION
Waldbusser & Grillo Standards Track [Page 37]
RFC 2790 Host Resources MIB March 2000
"The storage type identifier used for non-rigid rotating
magnetic storage devices."
::= { hrStorageTypes 6 }
hrStorageCompactDisc OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for read-only rotating
optical storage devices."
::= { hrStorageTypes 7 }
hrStorageRamDisk OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for a file system that
is stored in RAM."
::= { hrStorageTypes 8 }
hrStorageFlashMemory OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for flash memory."
::= { hrStorageTypes 9 }
hrStorageNetworkDisk OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The storage type identifier used for a
networked file system."
::= { hrStorageTypes 10 }
-- Registrations for some device types, for use with hrDeviceType
hrDeviceTypes OBJECT IDENTIFIER ::= { hrDevice 1 }
hrDeviceOther OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used when no other defined
type is appropriate."
::= { hrDeviceTypes 1 }
hrDeviceUnknown OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used when the device type is
unknown."
::= { hrDeviceTypes 2 }
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RFC 2790 Host Resources MIB March 2000
hrDeviceProcessor OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a CPU."
::= { hrDeviceTypes 3 }
hrDeviceNetwork OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a network interface."
::= { hrDeviceTypes 4 }
hrDevicePrinter OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a printer."
::= { hrDeviceTypes 5 }
hrDeviceDiskStorage OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a disk drive."
::= { hrDeviceTypes 6 }
hrDeviceVideo OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a video device."
::= { hrDeviceTypes 10 }
hrDeviceAudio OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for an audio device."
::= { hrDeviceTypes 11 }
hrDeviceCoprocessor OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a co-processor."
::= { hrDeviceTypes 12 }
hrDeviceKeyboard OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a keyboard device."
::= { hrDeviceTypes 13 }
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RFC 2790 Host Resources MIB March 2000
hrDeviceModem OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a modem."
::= { hrDeviceTypes 14 }
hrDeviceParallelPort OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a parallel port."
::= { hrDeviceTypes 15 }
hrDevicePointing OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a pointing device
(e.g., a mouse)."
::= { hrDeviceTypes 16 }
hrDeviceSerialPort OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a serial port."
::= { hrDeviceTypes 17 }
hrDeviceTape OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a tape storage device."
::= { hrDeviceTypes 18 }
hrDeviceClock OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a clock device."
::= { hrDeviceTypes 19 }
hrDeviceVolatileMemory OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a volatile memory
storage device."
::= { hrDeviceTypes 20 }
hrDeviceNonVolatileMemory OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The device type identifier used for a non-volatile memory
Waldbusser & Grillo Standards Track [Page 40]
RFC 2790 Host Resources MIB March 2000
storage device."
::= { hrDeviceTypes 21 }
-- Registrations for some popular File System types,
-- for use with hrFSType.
hrFSTypes OBJECT IDENTIFIER ::= { hrDevice 9 }
hrFSOther OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used when no other
defined type is appropriate."
::= { hrFSTypes 1 }
hrFSUnknown OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used when the type of
file system is unknown."
::= { hrFSTypes 2 }
hrFSBerkeleyFFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Berkeley Fast File System."
::= { hrFSTypes 3 }
hrFSSys5FS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
System V File System."
::= { hrFSTypes 4 }
hrFSFat OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for
DOS's FAT file system."
::= { hrFSTypes 5 }
hrFSHPFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for OS/2's
High Performance File System."
::= { hrFSTypes 6 }
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RFC 2790 Host Resources MIB March 2000
hrFSHFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Macintosh Hierarchical File System."
::= { hrFSTypes 7 }
hrFSMFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Macintosh File System."
::= { hrFSTypes 8 }
hrFSNTFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Windows NT File System."
::= { hrFSTypes 9 }
hrFSVNode OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
VNode File System."
::= { hrFSTypes 10 }
hrFSJournaled OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Journaled File System."
::= { hrFSTypes 11 }
hrFSiso9660 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
ISO 9660 File System for CD's."
::= { hrFSTypes 12 }
hrFSRockRidge OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
RockRidge File System for CD's."
::= { hrFSTypes 13 }
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RFC 2790 Host Resources MIB March 2000
hrFSNFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
NFS File System."
::= { hrFSTypes 14 }
hrFSNetware OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Netware File System."
::= { hrFSTypes 15 }
hrFSAFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Andrew File System."
::= { hrFSTypes 16 }
hrFSDFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
OSF DCE Distributed File System."
::= { hrFSTypes 17 }
hrFSAppleshare OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
AppleShare File System."
::= { hrFSTypes 18 }
hrFSRFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
RFS File System."
::= { hrFSTypes 19 }
hrFSDGCFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Data General DGCFS."
::= { hrFSTypes 20 }
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RFC 2790 Host Resources MIB March 2000
hrFSBFS OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
SVR4 Boot File System."
::= { hrFSTypes 21 }
hrFSFAT32 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Windows FAT32 File System."
::= { hrFSTypes 22 }
hrFSLinuxExt2 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The file system type identifier used for the
Linux EXT2 File System."
::= { hrFSTypes 23 }
END
6. Internationalization Considerations
This MIB has many objects that identify file-system pathnames on the
managed host. Many file systems allow pathnames to be encoded in a
variety of character sets (other than ASCII), but do not support the
encoding of the actual character set used with the pathname. The
implementation strategy is that user interfaces (i.e. character-based
shells or graphical applications) will have configuration options
that control with which character set they will interpret and display
all pathnames. This is often a per-user configuration (e.g. an
environment variable), so that users using different languages and
character sets on a multi-user system may each work effectively with
their preferred character set. A human usually controls this
configuration. If an application is not configured or is configured
incorrectly, it will often have trouble displaying pathnames in the
intended character set.
This situation made it important for this MIB to handle two issues:
1) Pathname objects must be able to transfer a variety of character
sets with potentially multi-byte encodings; and,
Waldbusser & Grillo Standards Track [Page 44]
RFC 2790 Host Resources MIB March 2000
2) HostMIB agents will generally not be correctly configured for the
appropriate character set to be used for all files on the system,
particularly on a system with multiple users using different
character sets. It was thus impossible to mandate that the agent
tag pathnames with the character set in use.
These issues were solved with the introduction of the
InternationalDisplayString textual convention, which supports multi-
byte encodings. Network management stations should use a local
algorithm to determine which character set is in use and how it
should be displayed. It is expected that network management station
applications will rely on human configuration to choose which
character set in which to interpret InternationalDisplayString
objects, much like an application running locally on that host.
7. Security Considerations
There are a number of management objects defined in this MIB that
have a MAX-ACCESS clause of read-write. Such objects may be
considered sensitive or vulnerable in some network environments. The
support for SET operations in a non-secure environment without proper
protection can have a negative effect on system operations.
There are a number of managed objects in this MIB that may contain
sensitive information. The objects in the Running Software Group list
information about running software on the system (including the
operating system software and version). Some may wish not to
disclose to others what software they are running. Further, an
inventory of the running software and versions may be helpful to an
attacker who hopes to exploit software bugs in certain applications.
The same issues exist for the objects in the Installed Software
Group.
It is thus important to control even GET access to these objects and
possibly to even encrypt the values of these object when sending them
over the network via SNMP. Not all versions of SNMP provide features
for such a secure environment.
SNMPv1 by itself is not a secure environment. Even if the network
itself is secure (for example by using IPSec), even then, there is no
control as to who on the secure network is allowed to access and
GET/SET (read/change/create/delete) the objects in this MIB.
It is recommended that the implementers consider the security
features as provided by the SNMPv3 framework. Specifically, the use
of the User-based Security Model RFC 2574 [RFC2574] and the View-
based Access Control Model RFC 2575 [RFC2575] is recommended.
Waldbusser & Grillo Standards Track [Page 45]
RFC 2790 Host Resources MIB March 2000
It is then a customer/user responsibility to ensure that the SNMP
entity giving access to an instance of this MIB, is properly
configured to give access to the objects only to those principals
(users) that have legitimate rights to indeed GET or SET
(change/create/delete) them.
8. References
[RFC2571] Harrington, D., Presuhn, R. and B. Wijnen, "An
Architecture for Describing SNMP Management Frameworks",
RFC 2571, April 1999.
[RFC1155] Rose, M. and K. McCloghrie, "Structure and Identification
of Management Information for TCP/IP-based Internets",
STD 16, RFC 1155, May 1990.
[RFC1212] Rose, M. and K. McCloghrie, "Concise MIB Definitions",
STD 16, RFC 1212, March 1991.
[RFC1215] Rose, M., "A Convention for Defining Traps for use with
the SNMP", RFC 1215, March 1991.
[RFC2578] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M. and S. Waldbusser, "Structure of Management
Information Version 2 (SMIv2)", STD 58, RFC 2578, April
1999.
[RFC2579] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M. and S. Waldbusser, "Textual Conventions for
SMIv2", STD 58, RFC 2579, April 1999.
[RFC2580] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M. and S. Waldbusser, "Conformance Statements for
SMIv2", STD 58, RFC 2580, April 1999.
[RFC1157] Case, J., Fedor, M., Schoffstall, M. and J. Davin,
"Simple Network Management Protocol", STD 15, RFC 1157,
May 1990.
[RFC1901] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Introduction to Community-based SNMPv2", RFC 1901,
January 1996.
[RFC1906] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Transport Mappings for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1906, January 1996.
Waldbusser & Grillo Standards Track [Page 46]
RFC 2790 Host Resources MIB March 2000
[RFC2572] Case, J., Harrington D., Presuhn R. and B. Wijnen,
"Message Processing and Dispatching for the Simple
Network Management Protocol (SNMP)", RFC 2572, April 1999
[RFC2574] Blumenthal, U. and B. Wijnen, "User-based Security Model
(USM) for version 3 of the Simple Network Management
Protocol (SNMPv3)", RFC 2574, April 1999.
[RFC1905] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Protocol Operations for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1905, January 1996.
[RFC2573] Levi, D., Meyer, P. and B. Stewart, "SNMPv3
Applications", RFC 2573, April 1999.
[RFC2575] Wijnen, B., Presuhn, R. and K. McCloghrie, "View-based
Access Control Model (VACM) for the Simple Network
Management Protocol (SNMP)", RFC 2575, April 1999.
[RFC2570] Case, J., Mundy, R., Partain, D. and B. Stewart,
"Introduction to Version 3 of the Internet- standard
Network Management Framework", RFC 2570, April 1999.
[RFC1907] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Management Information Base for Version 2 of the Simple
Network Management Protocol (SNMPv2)", RFC 1907, January
1996.
[RFC2233] McCloghrie, K. and F. Kastenholz, "The Interfaces Group
MIB", RFC 2233, November 1997.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
Waldbusser & Grillo Standards Track [Page 47]
RFC 2790 Host Resources MIB March 2000
9. Acknowledgments
This document was produced by the Host Resources MIB working group.
Bobby Krupczak's efforts were particularly helpful in the creation of
the draft standard version of this document.
In addition, the authors gratefully acknowledge the comments of the
following individuals:
Amatzia Ben-Artzi NetManage
Ron Bergman Hitachi, Inc.
Steve Bostock Novell
Stephen Bush GE Information Systems
Jeff Case SNMP Research
Chuck Davin Bellcore
Ray Edgarton Bell Atlantic
Mike Erlinger Aerospace Corporation
Tim Farley Magee Enterprises
Mark Kepke Hewlett Packard
Bobby Krupczak Empire Technologies, Inc.
Cheryl Krupczak Empire Technologies, Inc.
Harry Lewis IBM Corp.
Keith McCloghrie Cisco Systems
Greg Minshall Novell
Steve Moulton SNMP Research
Dave Perkins Synoptics
Ed Reeder Objective Systems Integrators
Mike Ritter Apple Computer
Marshall Rose Dover Beach Consulting
Jon Saperia DEC
Rodney Thayer Sable Technology
Kaj Tesink Bellcore
Dean Throop Data General
Bert Wijnen Lucent
Lloyd Young Lexmark International
Waldbusser & Grillo Standards Track [Page 48]
RFC 2790 Host Resources MIB March 2000
10. Authors' Addresses
Pete Grillo
WeSync.com
1001 SW Fifth Ave, Fifth Floor
Portland, OR 97204
Phone: 503-425-5051
Fax: 503-827-6718
email: pete@wesync.com
Phone: +1 503 827 6717
Steven Waldbusser
Lucent Technologies, Inc.
1213 Innsbruck Dr.
Sunnyvale CA 94089
Phone: +1 650 318 1251
Fax: +1 650 318 1633
EMail: waldbusser@ins.com
11. Intellectual Property
The IETF takes no position regarding the validity or scope of
any intellectual property or other rights that might be
claimed to pertain to the implementation or use of the
technology described in this document or the extent to which
any license under such rights might or might not be available;
neither does it represent that it has made any effort to
identify any such rights. Information on the IETF's
procedures with respect to rights in standards-track and
standards-related documentation can be found in BCP-11.
Copies of claims of rights made available for publication and
any assurances of licenses to be made available, or the result
of an attempt made to obtain a general license or permission
for the use of such proprietary rights by implementors or
users of this specification can be obtained from the IETF
Secretariat.
The IETF invites any interested party to bring to its
attention any copyrights, patents or patent applications, or
other proprietary rights which may cover technology that may
be required to practice this standard. Please address the
information to the IETF Executive Director.
Waldbusser & Grillo Standards Track [Page 49]
RFC 2790 Host Resources MIB March 2000
12. Full Copyright Statement
Copyright (C) The Internet Society (2000). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Acknowledgement
Funding for the RFC Editor function is currently provided by the
Internet Society.
Waldbusser & Grillo Standards Track [Page 50]
ERRATA
