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RFC 7147

 
 
 

Definitions of Managed Objects for the Internet Small Computer System Interface (iSCSI)

Part 2 of 4, p. 16 to 51
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7.  MIB Definition

ISCSI-MIB DEFINITIONS  ::= BEGIN

    IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY, NOTIFICATION-TYPE,
    Unsigned32, Counter32, Counter64, Gauge32,
    mib-2
    FROM SNMPv2-SMI

    TEXTUAL-CONVENTION, TruthValue, RowPointer, TimeStamp, RowStatus,
    AutonomousType, StorageType
    FROM SNMPv2-TC

    MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
    FROM SNMPv2-CONF

    SnmpAdminString
    FROM SNMP-FRAMEWORK-MIB -- RFC 3411

    InetAddressType, InetAddress, InetPortNumber
    FROM INET-ADDRESS-MIB -- RFC 4001
    ;

iscsiMibModule MODULE-IDENTITY
    LAST-UPDATED "201402180000Z" -- February 18, 2014
    ORGANIZATION "IETF STORage Maintenance (STORM) Working Group"

    CONTACT-INFO "
        Working Group Email: storm@ietf.org
        Attn: Mark Bakke
              Dell
              Email: mark_bakke@dell.com

              Prakash Venkatesen
              HCL Technologies
              Email: prakashvn@hcl.com"

    DESCRIPTION
        "This module defines management information specific
         to the iSCSI protocol.

         Copyright (c) 2014 IETF Trust and the persons identified as
         authors of the code.  All rights reserved.

         Redistribution and use in source and binary forms, with or
         without modification, is permitted pursuant to, and subject
         to the license terms contained in, the Simplified BSD

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         License set forth in Section 4.c of the IETF Trust's Legal
         Provisions Relating to IETF Documents
         (http://trustee.ietf.org/license-info)."
    REVISION    "201402180000Z"
    DESCRIPTION
        "Second version of the iSCSI Protocol MIB Module.
         RFC 7143 makes several updates to [RFC3720].  This
         version makes corresponding updates to the MIB module.
         This MIB module published as RFC 7147."
    REVISION "200605220000Z"
    DESCRIPTION
        "Initial version of the iSCSI Protocol MIB module.
         This MIB module published as RFC 4544."

::= { mib-2 142 }

iscsiNotifications OBJECT IDENTIFIER ::= { iscsiMibModule 0 }
iscsiObjects       OBJECT IDENTIFIER ::= { iscsiMibModule 1 }
iscsiConformance   OBJECT IDENTIFIER ::= { iscsiMibModule 2 }
iscsiAdmin         OBJECT IDENTIFIER ::= { iscsiMibModule 3 }

-- Textual Conventions

IscsiTransportProtocol ::= TEXTUAL-CONVENTION

    DISPLAY-HINT  "d"
    STATUS        current
    DESCRIPTION
        "This data type is used to define the transport
        protocols that will carry iSCSI PDUs.
        Protocol numbers are assigned by IANA.  A
        current list of all assignments is available from
        <http://www.iana.org/assignments/protocol-numbers/>."
    SYNTAX        Unsigned32 (0..255)

IscsiDigestMethod ::= TEXTUAL-CONVENTION
    STATUS        current
    DESCRIPTION
        "This data type represents the methods possible
        for digest negotiation.
        none     - a placeholder for a secondary digest method
                   that means only the primary method can be
                   used.
        other    - a digest method other than those defined below.
        noDigest - does not support digests (will operate without
                   a digest (Note: implementations must support
                   digests to be compliant with RFC 7143).
        CRC32c   - require a CRC32C digest."

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    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
    SYNTAX        INTEGER {
                      none(1),
                      other(2),
                      noDigest(3),
                      crc32c(4)
                  }

IscsiName ::= TEXTUAL-CONVENTION
    DISPLAY-HINT  "223t"
    STATUS        current
    DESCRIPTION
        "This data type is used for objects whose value is an
        iSCSI name with the properties described in RFC 7143,
        Section 4.2.7.1, and encoded as specified in RFC 7143,
        Section 4.2.7.2.  A zero-length string indicates the
        absence of an iSCSI name."
    REFERENCE
        "RFC 7143, Section 4.2.7, iSCSI Names."
    SYNTAX        OCTET STRING (SIZE(0 | 16..223))

--**********************************************************************

iscsiDescriptors OBJECT IDENTIFIER ::= { iscsiAdmin 1 }

iscsiHeaderIntegrityTypes OBJECT IDENTIFIER ::= { iscsiDescriptors 1 }

iscsiHdrIntegrityNone OBJECT-IDENTITY
    STATUS      current
    DESCRIPTION
        "The authoritative identifier when no integrity
        scheme for the header is being used."
    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
::= { iscsiHeaderIntegrityTypes 1 }

iscsiHdrIntegrityCrc32c OBJECT-IDENTITY
    STATUS      current
    DESCRIPTION
        "The authoritative identifier when the integrity
        scheme for the header is CRC32c."
    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
::= { iscsiHeaderIntegrityTypes 2 }

iscsiDataIntegrityTypes OBJECT IDENTIFIER ::= { iscsiDescriptors 2 }

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iscsiDataIntegrityNone OBJECT-IDENTITY
    STATUS      current
    DESCRIPTION
        "The authoritative identifier when no integrity
        scheme for the data is being used."
    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
::= { iscsiDataIntegrityTypes 1 }

iscsiDataIntegrityCrc32c OBJECT-IDENTITY
    STATUS      current
    DESCRIPTION
        "The authoritative identifier when the integrity
        scheme for the data is CRC32c."
    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
::= { iscsiDataIntegrityTypes 2 }

--**********************************************************************

iscsiInstance OBJECT IDENTIFIER ::= { iscsiObjects 1 }

-- Instance Attributes Table

iscsiInstanceAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiInstanceAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of iSCSI instances present on the system."
::= { iscsiInstance 1 }

iscsiInstanceAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiInstanceAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular iSCSI instance."
    INDEX { iscsiInstIndex }
::= { iscsiInstanceAttributesTable 1 }

IscsiInstanceAttributesEntry ::= SEQUENCE {
    iscsiInstIndex                 Unsigned32,
    iscsiInstDescr                 SnmpAdminString,
    iscsiInstVersionMin            Unsigned32,
    iscsiInstVersionMax            Unsigned32,
    iscsiInstVendorID              SnmpAdminString,

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    iscsiInstVendorVersion         SnmpAdminString,
    iscsiInstPortalNumber          Unsigned32,
    iscsiInstNodeNumber            Unsigned32,
    iscsiInstSessionNumber         Unsigned32,
    iscsiInstSsnFailures           Counter32,
    iscsiInstLastSsnFailureType    AutonomousType,
    iscsiInstLastSsnRmtNodeName    IscsiName,
    iscsiInstDiscontinuityTime     TimeStamp,
    iscsiInstXNodeArchitecture     SnmpAdminString
}

iscsiInstIndex OBJECT-TYPE
    SYNTAX        Unsigned32 (1..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a particular
        iSCSI instance.  This index value must not be modified or
        reused by an agent unless a reboot has occurred.  An agent
        should attempt to keep this value persistent across reboots."
::= { iscsiInstanceAttributesEntry 1 }

iscsiInstDescr OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string, determined by the implementation to
        describe the iSCSI instance.  When only a single instance
        is present, this object may be set to the zero-length
        string; with multiple iSCSI instances, it may be used in
        an implementation-dependent manner to describe the purpose
        of the respective instance."

::= { iscsiInstanceAttributesEntry 2 }

iscsiInstVersionMin OBJECT-TYPE
    SYNTAX        Unsigned32 (0..255)
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The minimum version number of the iSCSI specification
        such that this iSCSI instance supports this minimum
        value, the maximum value indicated by the corresponding
        instance in iscsiInstVersionMax, and all versions in
        between."
    REFERENCE
        "RFC 7143, Section 11.12, Login Request"

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::= { iscsiInstanceAttributesEntry 3 }

iscsiInstVersionMax OBJECT-TYPE
    SYNTAX        Unsigned32 (0..255)
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The maximum version number of the iSCSI specification
        such that this iSCSI instance supports this maximum
        value, the minimum value indicated by the corresponding
        instance in iscsiInstVersionMin, and all versions in
        between."
    REFERENCE
        "RFC 7143, Section 11.12, Login Request"
::= { iscsiInstanceAttributesEntry 4 }

iscsiInstVendorID OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string describing the manufacturer of the
        implementation of this instance."
::= { iscsiInstanceAttributesEntry 5 }

iscsiInstVendorVersion OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string set by the manufacturer describing the
        version of the implementation of this instance.  The
        format of this string is determined solely by the
        manufacturer; the string is for informational purposes only.
        It is unrelated to the iSCSI specification version numbers."
::= { iscsiInstanceAttributesEntry 6 }

iscsiInstPortalNumber OBJECT-TYPE
    SYNTAX        Unsigned32
    UNITS         "transport endpoints"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The number of rows in the iscsiPortalAttributesTable
        that are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 7 }

iscsiInstNodeNumber OBJECT-TYPE

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    SYNTAX        Unsigned32
    UNITS         "iSCSI nodes"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The number of rows in the iscsiNodeAttributesTable
        that are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 8 }

iscsiInstSessionNumber OBJECT-TYPE
    SYNTAX        Unsigned32
    UNITS         "sessions"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The number of rows in the iscsiSessionAttributesTable
        that are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 9 }

iscsiInstSsnFailures  OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "sessions"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "This object counts the number of times a session belonging
        to this instance has failed.  If this counter has
        suffered a discontinuity, the time of the last discontinuity
        is indicated in iscsiInstDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 13.1, HeaderDigest and DataDigest"
::= { iscsiInstanceAttributesEntry 10 }

iscsiInstLastSsnFailureType  OBJECT-TYPE
    SYNTAX        AutonomousType
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The counter object in the iscsiInstanceSsnErrorStatsTable
        that was incremented when the last session failure occurred.

        If the reason for failure is not found in the
        iscsiInstanceSsnErrorStatsTable, the value { 0.0 } is
        used instead."
::= { iscsiInstanceAttributesEntry 11 }

iscsiInstLastSsnRmtNodeName  OBJECT-TYPE
    SYNTAX        IscsiName

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    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The iSCSI name of the remote node from the failed
        session."
::= { iscsiInstanceAttributesEntry 12 }

iscsiInstDiscontinuityTime  OBJECT-TYPE
    SYNTAX        TimeStamp
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The value of SysUpTime on the most recent occasion
        at which any one or more of this instance's counters
        suffered a discontinuity.

        If no such discontinuities have occurred since the last
        re-initialization of the local management subsystem,
        then this object contains a zero value."
::= { iscsiInstanceAttributesEntry 13 }

iscsiInstXNodeArchitecture OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string set by the manufacturer declaring the
        details of its iSCSI node architecture to the remote
        endpoint.  These details may include, but are not limited
        to, iSCSI vendor software, firmware, or hardware versions,
        the OS version, or hardware architecture.
        The format of this string is determined solely by the
        manufacturer; the string is for informational purposes only.
        It is unrelated to the iSCSI specification version numbers."
    REFERENCE
        "RFC 7143, Section 13.26, X#NodeArchitecture"
::= { iscsiInstanceAttributesEntry 14 }

-- Instance Session Failure Stats Table

iscsiInstanceSsnErrorStatsTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiInstanceSsnErrorStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "Statistics regarding the occurrences of error types
        that result in a session failure."
::= { iscsiInstance 2 }

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iscsiInstanceSsnErrorStatsEntry OBJECT-TYPE
    SYNTAX        IscsiInstanceSsnErrorStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular iSCSI instance."
    AUGMENTS { iscsiInstanceAttributesEntry }
::= { iscsiInstanceSsnErrorStatsTable 1 }

IscsiInstanceSsnErrorStatsEntry ::= SEQUENCE {
    iscsiInstSsnDigestErrors       Counter32,
    iscsiInstSsnCxnTimeoutErrors   Counter32,
    iscsiInstSsnFormatErrors       Counter32,
    iscsiInstSsnTgtUnmappedErrors  Counter32
}

iscsiInstSsnDigestErrors OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "sessions"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of sessions that failed due to receipt of
        a PDU containing header or data digest errors.  If this
        counter has suffered a discontinuity, the time of the last
        discontinuity is indicated in iscsiInstDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 7.8, Digest Errors"
::= { iscsiInstanceSsnErrorStatsEntry 1 }

iscsiInstSsnCxnTimeoutErrors OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "sessions"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of sessions that failed due to a sequence
        exceeding a time limit.  If this counter has suffered a
        discontinuity, the time of the last discontinuity
        is indicated in iscsiInstDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 7.5, Connection Timeout Management"
::= { iscsiInstanceSsnErrorStatsEntry 2 }

iscsiInstSsnFormatErrors OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "sessions"

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    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of sessions that failed due to receipt of
        a PDU that contained a format error.  If this counter has
        suffered a discontinuity, the time of the last discontinuity
        is indicated in iscsiInstDiscontinuityTime."
    REFERENCE
        "RFC 7143 Section 7.7, Format Errors"
::= { iscsiInstanceSsnErrorStatsEntry 3 }

iscsiInstSsnTgtUnmappedErrors OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "sessions"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of sessions that failed due to the target
        becoming unmapped.  If this counter has
        suffered a discontinuity, the time of the last discontinuity
        is indicated in iscsiInstDiscontinuityTime."
::= { iscsiInstanceSsnErrorStatsEntry 4 }
--**********************************************************************

iscsiPortal OBJECT IDENTIFIER ::= { iscsiObjects 2 }

-- Portal Attributes Table

iscsiPortalAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of transport endpoints (using TCP or another transport
        protocol) used by this iSCSI instance.  An iSCSI instance may
        use a portal to listen for incoming connections to its targets,
        to initiate connections to other targets, or both."
::= { iscsiPortal 1 }

iscsiPortalAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular portal instance."
    INDEX { iscsiInstIndex, iscsiPortalIndex  }
::= { iscsiPortalAttributesTable 1 }

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IscsiPortalAttributesEntry ::= SEQUENCE {
    iscsiPortalIndex                 Unsigned32,
    iscsiPortalRowStatus             RowStatus,
    iscsiPortalRoles                 BITS,
    iscsiPortalAddrType              InetAddressType,
    iscsiPortalAddr                  InetAddress,
    iscsiPortalProtocol              IscsiTransportProtocol,
    iscsiPortalMaxRecvDataSegLength  Unsigned32,
    iscsiPortalPrimaryHdrDigest      IscsiDigestMethod,
    iscsiPortalPrimaryDataDigest     IscsiDigestMethod,
    iscsiPortalSecondaryHdrDigest    IscsiDigestMethod,
    iscsiPortalSecondaryDataDigest   IscsiDigestMethod,
    iscsiPortalRecvMarker            TruthValue,
    iscsiPortalStorageType           StorageType,
    iscsiPortalDescr                 SnmpAdminString
}

iscsiPortalIndex OBJECT-TYPE
    SYNTAX        Unsigned32 (1..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a particular
        transport endpoint within this iSCSI instance.  This index
        value must not be modified or reused by an agent unless a
        reboot has occurred.  An agent should attempt to keep this
        value persistent across reboots."
::= { iscsiPortalAttributesEntry 1 }

iscsiPortalRowStatus OBJECT-TYPE
    SYNTAX        RowStatus
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "This field allows entries to be dynamically added and
        removed from this table via SNMP.  When adding a row to
        this table, all non-Index/RowStatus objects must be set.
        When the value of this object is 'active', the values of
        the other objects in this table cannot be changed.
        Rows may be discarded using RowStatus.

        Note that creating a row in this table will typically
        cause the agent to create one or more rows in the
        iscsiTgtPortalAttributesTable and/or the
        iscsiIntrPortalAttributesTable."
::= { iscsiPortalAttributesEntry 2 }

iscsiPortalRoles OBJECT-TYPE

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    SYNTAX        BITS {
                      targetTypePortal(0),
                      initiatorTypePortal(1)
                  }
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "A portal can operate in one or both of two roles:
        as a target portal and/or an initiator portal.  If
        the portal will operate in both roles, both bits
        must be set.

        This object will define a corresponding row that
        will exist or must be created in the
        iscsiTgtPortalAttributesTable, the
        iscsiIntrPortalAttributesTable, or both.  If the
        targetTypePortal bit is set, one or more corresponding
        iscsiTgtPortalAttributesEntry rows will be found or
        created.  If the initiatorTypePortal bit is set,
        one or more corresponding iscsiIntrPortalAttributesEntry
        rows will be found or created.  If both bits are set, one
        or more corresponding rows will be found or created in
        one of the above tables."
::= { iscsiPortalAttributesEntry 3 }

iscsiPortalAddrType OBJECT-TYPE
    SYNTAX        InetAddressType
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The type of Internet Network Address contained in the
        corresponding instance of the iscsiPortalAddr."
    DEFVAL        { ipv4 }
::= { iscsiPortalAttributesEntry 4 }

iscsiPortalAddr OBJECT-TYPE
    SYNTAX        InetAddress
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The portal's Internet Network Address, of the type
        specified by the object iscsiPortalAddrType.  If
        iscsiPortalAddrType has the value 'dns', this address
        gets resolved to an IP address whenever a new iSCSI
        connection is established using this portal."
::= { iscsiPortalAttributesEntry 5 }

iscsiPortalProtocol OBJECT-TYPE

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    SYNTAX        IscsiTransportProtocol
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The portal's transport protocol."
    DEFVAL        { 6 } -- TCP
::= { iscsiPortalAttributesEntry 6 }

iscsiPortalMaxRecvDataSegLength OBJECT-TYPE
    SYNTAX        Unsigned32 (512..16777215)
    UNITS         "bytes"
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The maximum PDU length this portal can receive.
        This may be constrained by hardware characteristics,
        and individual implementations may choose not to
        allow this object to be changed."
    REFERENCE
        "RFC 7143, Section 13.12, MaxRecvDataSegmentLength"
    DEFVAL { 8192 }
::= { iscsiPortalAttributesEntry 7 }

iscsiPortalPrimaryHdrDigest OBJECT-TYPE
    SYNTAX        IscsiDigestMethod
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The preferred header digest for this portal."
    DEFVAL        { crc32c }
::= { iscsiPortalAttributesEntry 8 }

iscsiPortalPrimaryDataDigest OBJECT-TYPE
    SYNTAX        IscsiDigestMethod
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The preferred data digest method for this portal."
    DEFVAL        { crc32c }
::= { iscsiPortalAttributesEntry 9 }

iscsiPortalSecondaryHdrDigest OBJECT-TYPE
    SYNTAX        IscsiDigestMethod
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "An alternate header digest preference for this portal."
    DEFVAL        { noDigest }

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::= { iscsiPortalAttributesEntry 10 }

iscsiPortalSecondaryDataDigest OBJECT-TYPE
    SYNTAX        IscsiDigestMethod
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "An alternate data digest preference for this portal."
    DEFVAL        { noDigest }
::= { iscsiPortalAttributesEntry 11 }

iscsiPortalRecvMarker OBJECT-TYPE
    SYNTAX        TruthValue
    MAX-ACCESS    read-create
    STATUS        deprecated
    DESCRIPTION
        "This object indicates whether or not this portal will
        request markers in its incoming data stream."
    REFERENCE
        "RFC 7143, Section 13.25, Obsoleted Keys."
    DEFVAL        { false }
::= { iscsiPortalAttributesEntry 12 }

iscsiPortalStorageType OBJECT-TYPE
    SYNTAX        StorageType
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The storage type for this row.  Rows in this table that were
         created through an external process (e.g., not created via
         this MIB) may have a storage type of readOnly or permanent.

         Conceptual rows having the value 'permanent' need not
         allow write access to any columnar objects in the row."
    DEFVAL        { nonVolatile }
::= { iscsiPortalAttributesEntry 13 }

iscsiPortalDescr OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string, determined by the implementation to
        describe the iSCSI portal.  When only a single instance
        is present, this object may be set to the zero-length
        string; with multiple iSCSI portals, it may be used in
        an implementation-dependent manner to describe the
        respective portal, and could include information such as

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        Host Bus Adapter (HBA) model, description, and version, or
        software driver and version."
::= { iscsiPortalAttributesEntry 14 }

--**********************************************************************
iscsiTargetPortal OBJECT IDENTIFIER ::= { iscsiObjects 3 }

-- Target Portal Attributes Table

iscsiTgtPortalAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiTgtPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of transport endpoints (using TCP or another transport
        protocol) on which this iSCSI instance listens for incoming
        connections to its targets."
::= { iscsiTargetPortal 1 }

iscsiTgtPortalAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiTgtPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular portal instance that is used to listen for
        incoming connections to local targets.  One or more rows in
        this table is populated by the agent for each
        iscsiPortalAttributesEntry row that has the bit
        targetTypePortal set in its iscsiPortalRoles column."
    INDEX { iscsiInstIndex, iscsiPortalIndex,
            iscsiTgtPortalNodeIndexOrZero  }
::= { iscsiTgtPortalAttributesTable 1 }

IscsiTgtPortalAttributesEntry ::= SEQUENCE {
    iscsiTgtPortalNodeIndexOrZero  Unsigned32,
    iscsiTgtPortalPort             InetPortNumber,
    iscsiTgtPortalTag              Unsigned32
}

iscsiTgtPortalNodeIndexOrZero OBJECT-TYPE
    SYNTAX        Unsigned32 (0..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a
        particular node within an iSCSI instance present
        on the local system.

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        For implementations where each {portal, node} tuple
        can have a different portal tag, this value will
        map to the iscsiNodeIndex.

        For implementations where the portal tag is the
        same for a given portal regardless of which node
        is using the portal, the value 0 (zero) is used."
::= { iscsiTgtPortalAttributesEntry 1 }

iscsiTgtPortalPort OBJECT-TYPE
    SYNTAX        InetPortNumber (1..65535)
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The portal's transport protocol port number on which the
        portal listens for incoming iSCSI connections when the
        portal is used as a target portal.  This object's storage
        type is specified in iscsiPortalStorageType."
::= { iscsiTgtPortalAttributesEntry 2 }

iscsiTgtPortalTag OBJECT-TYPE
    SYNTAX        Unsigned32 (1..65535)
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The portal's aggregation tag when the portal is used as
        a target portal.  Multiple-connection sessions may
        be aggregated over portals sharing an identical
        aggregation tag.  This object's storage type is
        specified in iscsiPortalStorageType."
    REFERENCE
        "RFC 7143, Section 4.4.1, iSCSI Architecture Model"
::= { iscsiTgtPortalAttributesEntry 3 }

--**********************************************************************

iscsiInitiatorPortal OBJECT IDENTIFIER ::= { iscsiObjects 4 }

-- Initiator Portal Attributes Table

iscsiIntrPortalAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiIntrPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of Internet Network Addresses (using TCP or another
        transport protocol) from which this iSCSI instance may
        initiate connections to other targets."

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::= { iscsiInitiatorPortal 1 }

iscsiIntrPortalAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiIntrPortalAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular portal instance that is used to initiate
        connections to iSCSI targets.  One or more rows in
        this table is populated by the agent for each
        iscsiPortalAttributesEntry row that has the bit
        initiatorTypePortal set in its iscsiPortalRoles column."
    INDEX { iscsiInstIndex, iscsiPortalIndex,
            iscsiIntrPortalNodeIndexOrZero  }
::= { iscsiIntrPortalAttributesTable 1 }

IscsiIntrPortalAttributesEntry ::= SEQUENCE {
    iscsiIntrPortalNodeIndexOrZero Unsigned32,
    iscsiIntrPortalTag             Unsigned32
}

iscsiIntrPortalNodeIndexOrZero OBJECT-TYPE
    SYNTAX        Unsigned32 (0..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a
        particular node within an iSCSI instance present
        on the local system.

        For implementations where each {portal, node} tuple
        can have a different portal tag, this value will
        map to the iscsiNodeIndex.

        For implementations where the portal tag is the
        same for a given portal regardless of which node
        is using the portal, the value 0 (zero) is used."
::= { iscsiIntrPortalAttributesEntry 1 }

iscsiIntrPortalTag OBJECT-TYPE
    SYNTAX        Unsigned32 (1..65535)
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The portal's aggregation tag when the portal is used as
        an initiator portal.  Multiple-connection sessions may
        be aggregated over portals sharing an identical

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        aggregation tag.  This object's storage type is
        specified in iscsiPortalStorageType."
    REFERENCE
        "RFC 7143, Section 4.4.1, iSCSI Architecture Model"
::= { iscsiIntrPortalAttributesEntry 2 }

--**********************************************************************

iscsiNode OBJECT IDENTIFIER ::= { iscsiObjects 5 }

-- Node Attributes Table

iscsiNodeAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiNodeAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of iSCSI nodes belonging to each iSCSI instance
        present on the local system.  An iSCSI node can act as
        an initiator, a target, or both."
::= { iscsiNode 1 }

iscsiNodeAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiNodeAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A conceptual row containing management information
        applicable to a particular iSCSI node."
    INDEX { iscsiInstIndex, iscsiNodeIndex }
::= { iscsiNodeAttributesTable 1 }

IscsiNodeAttributesEntry ::= SEQUENCE {
    iscsiNodeIndex                  Unsigned32,
    iscsiNodeName                   IscsiName,
    iscsiNodeAlias                  SnmpAdminString,
    iscsiNodeRoles                  BITS,
    iscsiNodeTransportType          RowPointer,
    iscsiNodeInitialR2T             TruthValue,
    iscsiNodeImmediateData          TruthValue,
    iscsiNodeMaxOutstandingR2T      Unsigned32,
    iscsiNodeFirstBurstLength       Unsigned32,
    iscsiNodeMaxBurstLength         Unsigned32,
    iscsiNodeMaxConnections         Unsigned32,
    iscsiNodeDataSequenceInOrder    TruthValue,
    iscsiNodeDataPDUInOrder         TruthValue,
    iscsiNodeDefaultTime2Wait       Unsigned32,
    iscsiNodeDefaultTime2Retain     Unsigned32,

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    iscsiNodeErrorRecoveryLevel     Unsigned32,
    iscsiNodeDiscontinuityTime      TimeStamp,
    iscsiNodeStorageType            StorageType
}

iscsiNodeIndex OBJECT-TYPE
    SYNTAX        Unsigned32 (1..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a particular
        node within an iSCSI instance.  This index value must not be
        modified or reused by an agent unless a reboot has occurred.
        An agent should attempt to keep this value persistent across
        reboots."
::= { iscsiNodeAttributesEntry 1 }

iscsiNodeName OBJECT-TYPE
    SYNTAX        IscsiName
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "This node's iSCSI name, which is independent of the location
        of the node, and can be resolved into a set of addresses
        through various discovery services."
::= { iscsiNodeAttributesEntry 2 }

iscsiNodeAlias OBJECT-TYPE
    SYNTAX        SnmpAdminString
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A character string that is a human-readable name or
        description of the iSCSI node.  If configured, this alias
        may be communicated to the initiator or target node at
        the remote end of the connection during a Login Request
        or Response message.  This string is not used as an
        identifier, but it can be displayed by the system's user
        interface in a list of initiators and/or targets to
        which it is connected.

        If no alias exists, the value is a zero-length string."
    REFERENCE
        "RFC 7143, Sections 13.6 (TargetAlias) and 13.7
        (InitiatorAlias)"
::= { iscsiNodeAttributesEntry 3 }

iscsiNodeRoles OBJECT-TYPE

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    SYNTAX        BITS {
                      targetTypeNode(0),
                      initiatorTypeNode(1)
                  }
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A node can operate in one or both of two roles:
        a target role and/or an initiator role.  If the node
        will operate in both roles, both bits must be set.

        This object will also define the corresponding rows that
        will exist in the iscsiTargetAttributesTable, the
        iscsiInitiatorAttributesTable, or both.  If the
        targetTypeNode bit is set, there will be a corresponding
        iscsiTargetAttributesEntry.  If the initiatorTypeNode bit
        is set, there will be a corresponding
        iscsiInitiatorAttributesEntry.  If both bits are set,
        there will be a corresponding iscsiTgtPortalAttributesEntry
        and iscsiPortalAttributesEntry."
::= { iscsiNodeAttributesEntry 4 }

iscsiNodeTransportType OBJECT-TYPE
    SYNTAX        RowPointer
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A pointer to the corresponding row in the appropriate
        table for this SCSI transport, thereby allowing management
        stations to locate the SCSI-level device that is represented
        by this iscsiNode.  For example, it will usually point to the
        corresponding scsiTrnspt object in the SCSI MIB module.
        If no corresponding row exists, the value 0.0 must be
        used to indicate this."
    REFERENCE
        "SCSI-MIB, RFC 4455, Section 9, Object Definitions,
        scsiTransportTypes"
::= { iscsiNodeAttributesEntry 5 }

iscsiNodeInitialR2T OBJECT-TYPE
    SYNTAX        TruthValue
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "This object indicates the InitialR2T preference for this
        node:
        true = YES,
        false = will try to negotiate NO, will accept YES "

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    REFERENCE
        "RFC 7143, Section 13.10, InitialR2T"
::= { iscsiNodeAttributesEntry 6 }

iscsiNodeImmediateData OBJECT-TYPE
    SYNTAX        TruthValue
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "This object indicates ImmediateData preference for this
        node:
        true = YES (but will accept NO),
        false = NO "
    REFERENCE
        "RFC 7143, Section 13.11, ImmediateData"
    DEFVAL        { true }
::= { iscsiNodeAttributesEntry 7 }

iscsiNodeMaxOutstandingR2T OBJECT-TYPE
    SYNTAX        Unsigned32 (1..65535)
    UNITS         "R2Ts"
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "Maximum number of outstanding requests-to-transmit (R2Ts)
        allowed per iSCSI task."
    REFERENCE
        "RFC 7143, Section 13.17, MaxOutstandingR2T"
    DEFVAL        { 1 }
::= { iscsiNodeAttributesEntry 8 }

iscsiNodeFirstBurstLength OBJECT-TYPE
    SYNTAX        Unsigned32 (512..16777215)
    UNITS         "bytes"
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The maximum length (bytes) supported for unsolicited data
        to/from this node."
    REFERENCE
        "RFC 7143, Section 13.14, FirstBurstLength"
    DEFVAL        { 65536 }
::= { iscsiNodeAttributesEntry 9 }

iscsiNodeMaxBurstLength OBJECT-TYPE
    SYNTAX        Unsigned32 (512..16777215)
    UNITS         "bytes"
    MAX-ACCESS    read-write

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    STATUS        current
    DESCRIPTION
     "The maximum number of bytes that can be sent within
     a single sequence of Data-In or Data-Out PDUs."
    REFERENCE
        "RFC 7143, Section 13.13, MaxBurstLength"
    DEFVAL        { 262144 }
::= { iscsiNodeAttributesEntry 10 }

iscsiNodeMaxConnections OBJECT-TYPE
    SYNTAX        Unsigned32 (1..65535)
    UNITS         "connections"
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The maximum number of connections allowed in each
        session to and/or from this node."
    REFERENCE
        "RFC 7143, Section 13.2, MaxConnections"
    DEFVAL        { 1 }
::= { iscsiNodeAttributesEntry 11 }

iscsiNodeDataSequenceInOrder OBJECT-TYPE
    SYNTAX        TruthValue
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The DataSequenceInOrder preference of this node.
        False (=No) indicates that iSCSI data PDU sequences may
        be transferred in any order.  True (=Yes) indicates that
        data PDU sequences must be transferred using
        continuously increasing offsets, except during
        error recovery."
    REFERENCE
        "RFC 7143, Section 13.19, DataSequenceInOrder"
    DEFVAL        { true }
::= { iscsiNodeAttributesEntry 12 }

iscsiNodeDataPDUInOrder OBJECT-TYPE
    SYNTAX        TruthValue
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The DataPDUInOrder preference of this node.
        False (=No) indicates that iSCSI data PDUs within sequences
        may be in any order.  True (=Yes) indicates that data PDUs
        within sequences must be at continuously increasing
        addresses, with no gaps or overlay between PDUs."

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    REFERENCE
        "RFC 7143, Section 13.18, DataPDUInOrder"
    DEFVAL        { true }
::= { iscsiNodeAttributesEntry 13 }

iscsiNodeDefaultTime2Wait OBJECT-TYPE
    SYNTAX        Unsigned32 (0..3600)
    UNITS         "seconds"
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The DefaultTime2Wait preference of this node.  This is the
        minimum time, in seconds, to wait before attempting an
        explicit/implicit logout or active iSCSI task reassignment
        after an unexpected connection termination or a connection
        reset."
    REFERENCE
        "RFC 7143, Section 13.15, DefaultTime2Wait"
    DEFVAL        { 2 }
::= { iscsiNodeAttributesEntry 14 }

iscsiNodeDefaultTime2Retain OBJECT-TYPE
    SYNTAX        Unsigned32 (0..3600)
    UNITS         "seconds"
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The DefaultTime2Retain preference of this node.  This is
        the maximum time, in seconds after an initial wait
        (Time2Wait), before which an active iSCSI task reassignment
        is still possible after an unexpected connection termination
        or a connection reset."
    REFERENCE
        "RFC 7143, Section 13.16, DefaultTime2Retain"
    DEFVAL        { 20 }
::= { iscsiNodeAttributesEntry 15 }

iscsiNodeErrorRecoveryLevel OBJECT-TYPE
    SYNTAX        Unsigned32 (0..255)
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The ErrorRecoveryLevel preference of this node.
        Currently, only 0-2 are valid.

        This object is designed to accommodate future error-recovery
        levels.

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        Higher error-recovery levels imply support in addition to
        support for the lower error level functions.  In other words,
        error level 2 implies support for levels 0-1, since those
        functions are subsets of error level 2."
    REFERENCE
        "RFC 7143, Section 13.20, ErrorRecoveryLevel"
    DEFVAL        { 0 }
::= { iscsiNodeAttributesEntry 16 }

iscsiNodeDiscontinuityTime  OBJECT-TYPE
    SYNTAX        TimeStamp
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The value of SysUpTime on the most recent occasion
        at which any one or more of this node's counters
        suffered a discontinuity.

        If no such discontinuities have occurred since the last
        re-initialization of the local management subsystem,
        then this object contains a zero value."
::= { iscsiNodeAttributesEntry 17 }

iscsiNodeStorageType OBJECT-TYPE
    SYNTAX        StorageType
    MAX-ACCESS    read-write
    STATUS        current
    DESCRIPTION
        "The storage type for all read-write objects within this
        row.  Rows in this table are always created via an
        external process (e.g., not created via this MIB module).
        Conceptual rows having the value 'permanent' need not allow
        Write access to any columnar objects in the row.

        If this object has the value 'volatile', modifications
        to read-write objects in this row are not persistent
        across reboots.  If this object has the value
        'nonVolatile', modifications to objects in this row
        are persistent.

        An implementation may choose to allow this object
        to be set to either 'nonVolatile' or 'volatile',
        allowing the management application to choose this
        behavior."
    DEFVAL        { volatile }
::= { iscsiNodeAttributesEntry 18 }

--**********************************************************************

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iscsiTarget OBJECT IDENTIFIER ::= { iscsiObjects 6 }

-- Target Attributes Table

iscsiTargetAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiTargetAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of iSCSI nodes that can take on a target role,
        belonging to each iSCSI instance present on the local
        system."
::= { iscsiTarget 1 }

iscsiTargetAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiTargetAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information applicable
        to a particular node that can take on a target role."
    INDEX { iscsiInstIndex, iscsiNodeIndex }
::= { iscsiTargetAttributesTable 1 }

IscsiTargetAttributesEntry ::= SEQUENCE {
    iscsiTgtLoginFailures           Counter32,
    iscsiTgtLastFailureTime         TimeStamp,
    iscsiTgtLastFailureType         AutonomousType,
    iscsiTgtLastIntrFailureName     IscsiName,
    iscsiTgtLastIntrFailureAddrType InetAddressType,
    iscsiTgtLastIntrFailureAddr     InetAddress,
    iscsiTgtLastIntrFailurePort     InetPortNumber
}

iscsiTgtLoginFailures OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "failed login attempts"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "This object counts the number of times a login attempt to this
        local target has failed.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetAttributesEntry 1 }

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iscsiTgtLastFailureTime OBJECT-TYPE
    SYNTAX        TimeStamp
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The timestamp of the most recent failure of a login attempt
        to this target.  A value of zero indicates that no such
        failures have occurred since the last system boot."
::= { iscsiTargetAttributesEntry 2 }

iscsiTgtLastFailureType  OBJECT-TYPE
    SYNTAX        AutonomousType
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The type of the most recent failure of a login attempt
        to this target, represented as the OID of the counter
        object in iscsiTargetLoginStatsTable for which the
        relevant instance was incremented.  If no such failures
        have occurred since the last system boot, this attribute
        will have the value 0.0.  A value of 0.0 may also be used
        to indicate a type that is not represented by any of
        the counters in iscsiTargetLoginStatsTable."
::= { iscsiTargetAttributesEntry 3 }

iscsiTgtLastIntrFailureName  OBJECT-TYPE
    SYNTAX        IscsiName
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The iSCSI name of the initiator that failed the last
        login attempt.  If no such failures have occurred since
        the last system boot, this value is a zero-length string."
::= { iscsiTargetAttributesEntry 4 }

iscsiTgtLastIntrFailureAddrType OBJECT-TYPE
    SYNTAX        InetAddressType
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The type of Internet Network Address contained in the
        corresponding instance of the iscsiTgtLastIntrFailureAddr.
        The value 'dns' is not allowed.  If no such failures have
        occurred since the last system boot, this value is zero."
::= { iscsiTargetAttributesEntry 5 }

iscsiTgtLastIntrFailureAddr OBJECT-TYPE
    SYNTAX        InetAddress

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    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "An Internet Network Address, of the type specified by
        the object iscsiTgtLastIntrFailureAddrType, giving the
        host address of the initiator that failed the last login
        attempt.  If no such failures have occurred since the last
        system boot, this value is a zero-length string."
::= { iscsiTargetAttributesEntry 6 }

iscsiTgtLastIntrFailurePort OBJECT-TYPE
    SYNTAX        InetPortNumber
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The transport protocol port number used by the initiator
        that failed the last login attempt.  If no such failures
        have occurred since the last system boot, this value is a
        zero-length string."
::= { iscsiTargetAttributesEntry 7 }

-- Target Login Stats Table

iscsiTargetLoginStatsTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiTargetLoginStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A table of counters that keep a record of the results
        of initiators' login attempts to this target."
::= { iscsiTarget 2 }

iscsiTargetLoginStatsEntry OBJECT-TYPE
    SYNTAX        IscsiTargetLoginStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing counters for each result of
        a login attempt to this target."
    AUGMENTS { iscsiTargetAttributesEntry }
::= { iscsiTargetLoginStatsTable 1 }

IscsiTargetLoginStatsEntry ::= SEQUENCE {
    iscsiTgtLoginAccepts           Counter32,
    iscsiTgtLoginOtherFails        Counter32,
    iscsiTgtLoginRedirects         Counter32,
    iscsiTgtLoginAuthorizeFails    Counter32,
    iscsiTgtLoginAuthenticateFails Counter32,

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    iscsiTgtLoginNegotiateFails    Counter32
}

iscsiTgtLoginAccepts OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "successful logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Login Response PDUs with status
        0x0000, Accept Login, transmitted by this
        target.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetLoginStatsEntry 1 }

iscsiTgtLoginOtherFails OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "failed logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The number of Login Response PDUs that were transmitted
        by this target and that were not counted by any other
        object in the row.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetLoginStatsEntry 2 }

iscsiTgtLoginRedirects OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "redirected logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Login Response PDUs with status class 0x01,
        Redirection, transmitted by this target.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetLoginStatsEntry 3 }

iscsiTgtLoginAuthorizeFails OBJECT-TYPE

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    SYNTAX        Counter32
    UNITS         "failed logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Login Response PDUs with status 0x0202,
        Forbidden Target, transmitted by this target.

        If this counter is incremented, an iscsiTgtLoginFailure
        notification should be generated.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetLoginStatsEntry 4 }

iscsiTgtLoginAuthenticateFails OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "failed logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Login Response PDUs with status 0x0201,
        Authentication Failed, transmitted by this target.

        If this counter is incremented, an iscsiTgtLoginFailure
        notification should be generated.

        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiTargetLoginStatsEntry 5 }

iscsiTgtLoginNegotiateFails OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "failed logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The number of times a target has effectively refused a
        login because the parameter negotiation failed.
        If this counter is incremented, an iscsiTgtLoginFailure
        notification should be generated.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
::= { iscsiTargetLoginStatsEntry 6 }

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-- Target Logout Stats Table

iscsiTargetLogoutStatsTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiTargetLogoutStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "When a target receives a Logout command, it responds
        with a Logout Response that carries a status code.
        This table contains counters for both normal and
        abnormal Logout Requests received by this target."
::= { iscsiTarget 3 }

iscsiTargetLogoutStatsEntry OBJECT-TYPE
    SYNTAX        IscsiTargetLogoutStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing counters of Logout Response
        PDUs that were received by this target."
    AUGMENTS { iscsiTargetAttributesEntry }
::= { iscsiTargetLogoutStatsTable 1 }

IscsiTargetLogoutStatsEntry ::= SEQUENCE {
    iscsiTgtLogoutNormals          Counter32,
    iscsiTgtLogoutOthers           Counter32,
    iscsiTgtLogoutCxnClosed        Counter32,
    iscsiTgtLogoutCxnRemoved       Counter32
}

iscsiTgtLogoutNormals OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "normal logouts"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Logout Command PDUs received by this target,
        with reason code 0 (closes the session).
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.14.1, Reason Code"
::= { iscsiTargetLogoutStatsEntry 1 }

iscsiTgtLogoutOthers OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "abnormal logouts"
    MAX-ACCESS    read-only

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    STATUS        current
    DESCRIPTION
        "The count of Logout Command PDUs received by this target,
        with any reason code other than 0.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.14.1, Reason Code"
::= { iscsiTargetLogoutStatsEntry 2 }

iscsiTgtLogoutCxnClosed OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "abnormal logouts"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Logout Command PDUs received by this target,
        with reason code 1 (closes the connection).
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.14.1, Reason Code"
::= { iscsiTargetLogoutStatsEntry 3 }

iscsiTgtLogoutCxnRemoved OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "abnormal logouts"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Logout Command PDUs received by this target,
        with reason code 2 (removes the connection).
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.14.1, Reason Code"
::= { iscsiTargetLogoutStatsEntry 4 }

--**********************************************************************

iscsiTgtAuthorization OBJECT IDENTIFIER ::= { iscsiObjects 7 }

-- Target Authorization Attributes Table

iscsiTgtAuthAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiTgtAuthAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current

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    DESCRIPTION
        "A list of initiator identities that are authorized to
        access each target node within each iSCSI instance
        present on the local system."
::= { iscsiTgtAuthorization 1 }

iscsiTgtAuthAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiTgtAuthAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing management information
        applicable to a particular target node's authorized
        initiator identity."
    INDEX { iscsiInstIndex, iscsiNodeIndex, iscsiTgtAuthIndex }
::= { iscsiTgtAuthAttributesTable 1 }

IscsiTgtAuthAttributesEntry ::= SEQUENCE {
    iscsiTgtAuthIndex              Unsigned32,
    iscsiTgtAuthRowStatus          RowStatus,
    iscsiTgtAuthIdentity           RowPointer,
    iscsiTgtAuthStorageType        StorageType
}

iscsiTgtAuthIndex OBJECT-TYPE
    SYNTAX        Unsigned32 (1..4294967295)
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An arbitrary integer used to uniquely identify a particular
        target's authorized initiator identity within an iSCSI
        instance present on the local system.  This index value must
        not be modified or reused by an agent unless a reboot has
        occurred.  An agent should attempt to keep this value
        persistent across reboots."
::= { iscsiTgtAuthAttributesEntry 1 }

iscsiTgtAuthRowStatus OBJECT-TYPE
    SYNTAX        RowStatus
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "This field allows entries to be dynamically added and
        removed from this table via SNMP.  When adding a row to
        this table, all non-Index/RowStatus objects must be set.
        When the value of this object is 'active', the values of
        the other objects in this table cannot be changed.
        Rows may be discarded using RowStatus."

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::= { iscsiTgtAuthAttributesEntry 2 }

iscsiTgtAuthIdentity OBJECT-TYPE
    SYNTAX        RowPointer
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "A pointer to the corresponding user entry in the IPS-AUTH
        MIB module that will be allowed to access this iSCSI target."
    REFERENCE
        "IPS-AUTH MIB, RFC 4545, Section 7.3, ipsAuthIdentity"
::= { iscsiTgtAuthAttributesEntry 3 }

iscsiTgtAuthStorageType OBJECT-TYPE
    SYNTAX        StorageType
    MAX-ACCESS    read-create
    STATUS        current
    DESCRIPTION
        "The storage type for this row.  Rows in this table that were
         created through an external process (e.g., not created via
         this MIB) may have a storage type of readOnly or permanent.

         Conceptual rows having the value 'permanent' need not
         allow write access to any columnar objects in the row."
    DEFVAL        { nonVolatile }
::= { iscsiTgtAuthAttributesEntry 4 }

--**********************************************************************

iscsiInitiator OBJECT IDENTIFIER ::= { iscsiObjects 8 }

-- Initiator Attributes Table

iscsiInitiatorAttributesTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiInitiatorAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A list of iSCSI nodes that can take on an initiator
        role, belonging to each iSCSI instance present on
        the local system."
::= { iscsiInitiator 1 }

iscsiInitiatorAttributesEntry OBJECT-TYPE
    SYNTAX        IscsiInitiatorAttributesEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION

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        "An entry (row) containing management information
        applicable to a particular iSCSI node that has
        initiator capabilities."
    INDEX  { iscsiInstIndex, iscsiNodeIndex }
::= { iscsiInitiatorAttributesTable 1 }

IscsiInitiatorAttributesEntry ::= SEQUENCE {
    iscsiIntrLoginFailures           Counter32,
    iscsiIntrLastFailureTime         TimeStamp,
    iscsiIntrLastFailureType         AutonomousType,
    iscsiIntrLastTgtFailureName      IscsiName,
    iscsiIntrLastTgtFailureAddrType  InetAddressType,
    iscsiIntrLastTgtFailureAddr      InetAddress,
    iscsiIntrLastTgtFailurePort      InetPortNumber
}

iscsiIntrLoginFailures OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "failed logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "This object counts the number of times a login attempt from
        this local initiator has failed.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiInitiatorAttributesEntry 1 }

iscsiIntrLastFailureTime OBJECT-TYPE
    SYNTAX        TimeStamp
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The timestamp of the most recent failure of a login attempt
        from this initiator.  A value of zero indicates that no such
        failures have occurred since the last system boot."
::= { iscsiInitiatorAttributesEntry 2 }

iscsiIntrLastFailureType  OBJECT-TYPE
    SYNTAX        AutonomousType
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The type of the most recent failure of a login attempt
        from this initiator, represented as the OID of the counter
        object in iscsiInitiatorLoginStatsTable for which the

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        relevant instance was incremented.  If no such failures have
        occurred since the last system boot, this attribute will
        have the value 0.0.  A value of 0.0 may also be used to
        indicate a type that is not represented by any of
        the counters in iscsiInitiatorLoginStatsTable."
::= { iscsiInitiatorAttributesEntry 3 }

iscsiIntrLastTgtFailureName  OBJECT-TYPE
    SYNTAX        IscsiName
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "A UTF-8 string giving the name of the target that failed
        the last login attempt.  If no such failures have occurred
        since the last system boot, this value is a zero-length string."
::= { iscsiInitiatorAttributesEntry 4 }

iscsiIntrLastTgtFailureAddrType OBJECT-TYPE
    SYNTAX        InetAddressType
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The type of Internet Network Address contained in the
        corresponding instance of the iscsiIntrLastTgtFailureAddr.
        The value 'dns' is not allowed.  If no such failures have
        occurred since the last system boot, this value is zero."
::= { iscsiInitiatorAttributesEntry 5 }

iscsiIntrLastTgtFailureAddr OBJECT-TYPE
    SYNTAX        InetAddress
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "An Internet Network Address, of the type specified by the
        object iscsiIntrLastTgtFailureAddrType, giving the host
        address of the target that failed the last login attempt.
        If no such failures have occurred since the last system boot,
        this value is a zero-length string."
::= { iscsiInitiatorAttributesEntry 6 }

iscsiIntrLastTgtFailurePort OBJECT-TYPE
    SYNTAX        InetPortNumber
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The transport protocol port number used by the target
        that failed the last login attempt.
        If no such failures have occurred since the last system boot,

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        this value is a zero-length string."
::= { iscsiInitiatorAttributesEntry 7 }

-- Initiator Login Stats Table

iscsiInitiatorLoginStatsTable OBJECT-TYPE
    SYNTAX        SEQUENCE OF IscsiInitiatorLoginStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "A table of counters that keep track of the results of
        this initiator's login attempts."
::= { iscsiInitiator 2 }

iscsiInitiatorLoginStatsEntry OBJECT-TYPE
    SYNTAX        IscsiInitiatorLoginStatsEntry
    MAX-ACCESS    not-accessible
    STATUS        current
    DESCRIPTION
        "An entry (row) containing counters of each result
        of this initiator's login attempts."
    AUGMENTS { iscsiInitiatorAttributesEntry }
::= { iscsiInitiatorLoginStatsTable 1 }

IscsiInitiatorLoginStatsEntry ::= SEQUENCE {
    iscsiIntrLoginAcceptRsps         Counter32,
    iscsiIntrLoginOtherFailRsps      Counter32,
    iscsiIntrLoginRedirectRsps       Counter32,
    iscsiIntrLoginAuthFailRsps       Counter32,
    iscsiIntrLoginAuthenticateFails  Counter32,
    iscsiIntrLoginNegotiateFails     Counter32,
    iscsiIntrLoginAuthorizeFails     Counter32
}

iscsiIntrLoginAcceptRsps OBJECT-TYPE
    SYNTAX        Counter32
    UNITS         "successful logins"
    MAX-ACCESS    read-only
    STATUS        current
    DESCRIPTION
        "The count of Login Response PDUs with status
        0x0000, Accept Login, received by this initiator.
        If this counter has suffered a discontinuity, the time of the
        last discontinuity is indicated in iscsiNodeDiscontinuityTime."
    REFERENCE
        "RFC 7143, Section 11.13.5, Status-Class and Status-Detail"
::= { iscsiInitiatorLoginStatsEntry 1 }


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