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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.











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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].




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   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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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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          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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          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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           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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       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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   -- 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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           "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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           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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                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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       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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       ::= { 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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           "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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           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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       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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       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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       ::= { 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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           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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       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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           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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   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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         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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       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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           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.



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         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



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           "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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   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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   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



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           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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   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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   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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   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,







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   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.




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   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.





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   [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.


















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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















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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
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   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;
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   identify any such rights.  Information on the IETF's
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   Copies of claims of rights made available for publication and
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   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.






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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
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Acknowledgement

   Funding for the RFC Editor function is currently provided by the
   Internet Society.



















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