Network Working Group                                         K. Gibbons
Request for Comments: 4939                                   2Wire, Inc.
Category: Standards Track                                    G. Ramkumar
                                                         SnapTell, Inc.
                                                                S. Kipp
                                                          Brocade, Inc.
                                                              July 2007


               Definitions of Managed Objects for iSNS
                   (Internet Storage Name Service)

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 IETF Trust (2007).

Abstract

  The iSNS (Internet Storage Name Service) protocol provides storage
  name service functionality on an IP network that is being used for
  iSCSI (Internet Small Computer System Interface) or iFCP (Internet
  Fibre Channel Protocol) storage.  This document provides a mechanism
  to monitor multiple iSNS Servers, including information about
  registered objects in an iSNS Server.



















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Table of Contents

  1. The Internet-Standard Management Framework ......................3
  2. Introduction ....................................................3
     2.1. Requirement Levels .........................................3
  3. Technical Description ...........................................4
     3.1. iSNS Registered Objects ....................................4
     3.2. iSNS MIB Structure .........................................5
     3.3. iSNS Server Info ...........................................5
          3.3.1. Control Node Information ............................6
          3.3.2. Discovery Domain Set (DDS) ..........................6
          3.3.3. Discovery Domain (DD) ...............................6
          3.3.4. Registered Storage Objects ..........................6
                 3.3.4.1. Registered Entities ........................6
                 3.3.4.2. Registered Portals .........................6
                 3.3.4.3. Registered Portal Groups ...................7
                 3.3.4.4. Registered iSCSI Nodes .....................7
                 3.3.4.5. Registered FC Ports ........................7
                 3.3.4.6. Registered FC Nodes ........................7
     3.4. Multiple Server Instances ..................................7
     3.5. iSNS Notifications .........................................7
  4. MIB References ..................................................7
  5. MIB Module ......................................................8
  6. IANA Considerations ............................................75
  7. Security Considerations ........................................76
  8. Normative References ...........................................77
  9. Informative References .........................................78
  10. Acknowledgements ..............................................78























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1.  The Internet-Standard Management Framework

  For a detailed overview of the documents that describe the current
  Internet-Standard Management Framework, please refer to section 7 of
  RFC 3410 [RFC3410].

  Managed objects are accessed via a virtual information store, termed
  the Management Information Base or MIB.  MIB objects are generally
  accessed through the Simple Network Management Protocol (SNMP).
  Objects in the MIB are defined using the mechanisms defined in the
  Structure of Management Information (SMI).  This memo specifies a MIB
  module that is compliant to the SMIv2, which is described in STD 58,
  RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580
  [RFC2580].

2.  Introduction

  The iSNS protocol, as described in RFC 4171 [RFC4171], can be used by
  IP-based storage devices for dynamic registration and discovery of
  other storage devices in the network.  It has the capability to group
  devices into storage Discovery Domains, and Discovery Domains into
  Discovery Domain Sets.  The iSNS MIB is designed to allow Simple
  Network Management Protocol (SNMP) to be used to monitor iSNS servers
  supporting iSCSI [RFC3720] and iFCP [RFC4172].

2.1.  Requirement Levels

  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.  Technical Description

3.1.  iSNS Registered Objects

  The following entity relationship figure indicates the objects that
  can be registered in the iSNS, and their relationship to each other.

                   +--------------+    +-----------+
                   |    NETWORK   |1  *|           |
                   |    ENTITY    |----|  PORTAL   |
                   |              |    |           |
                   +--------------+    +-----------+
                           |1            |1  |*
                           |             |   |
                           |             |*  |
                           |   +----------+  |
                           |   |  PORTAL  |  |
                           |   |  GROUP   |  |
                           |   +----------+  |
                           |    |*           |
                           |    |            |
                           |*   |1           |*
  +----------+    +-------------+    +----------+    +-----------+
  |   FC     |1  *|   STORAGE   |*  *| DISCOVERY|*  *| DISCOVERY |
  |  DEVICE  |----|    NODE     |----|  DOMAIN  |----|  DOMAIN   |
  |          |    |             |    |          |    |    SET    |
  +----------+    +-------------+    +----------+    +-----------+

              * represents 0 to many possible relationships






















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3.2.  iSNS MIB Structure

  The MIB is divided into sections for iSNS server information, iSNS
  server registered objects information, and iSNS notifications.

  +--------------+    +--------------+
  | MANAGED iSNS |1  *| CONTROL NODE |
  |    SERVER    |----|    INFO      |
  |     INFO     |    +--------------+
  +--------------+
         |1    |1
         |     |      +--------------+
         |     |     *|  DDS AND DD  |
         |     +------|     INFO     |
         |            |              |
         |            +--------------+
         |
         |            +-------------+
         |           *| REGISTERED  |
         +------------|  ENTITIES   |
                      |    INFO     |
                      +-------------+
  +-----------------+
  |     iSNS        |
  |  NOTIFICATION   |
  |     INFO        |
  +-----------------+

  The sections that are required to implement are for iSNS Server
  management and notification.

3.3.  iSNS Server Info

  The isnsServerInfo section provides the ability to monitor multiple
  iSNS Server instances.  The isnsServerTable table provides
  information on each server instance.  This table is indexed by the
  variable isnsServerIndex.  The table indicates current settings for
  each iSNS server being managed.  The network address, TCP and UDP
  ports being used by a server for iSNSP registrations and queries can
  be determined from this table.

  The count of objects registered in each iSNS server instance is shown
  in the table isnsNumObjectsTable.  The provides a summary of the
  number Discovery Domain Sets, Discovery Domains, Entities, Portals,
  Portal Groups, iSCSI Nodes, and iFCP FC Nodes and Ports.






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3.3.1.  Control Node Information

  As defined in the iSNS specification, Control Nodes are objects that
  have been registered with the server and are allowed to manage the
  iSNS server.  These Control Nodes are identified by their iSCSI Node
  Name or iFCP FC Port Name.  The isnsControlNodeInfo section of the
  MIB provides the ability to view the currently registered set of
  iSCSI and iFCP control nodes.

3.3.2.  Discovery Domain Set (DDS)

  The isnsDdsInfo section provides information on each registered DDS,
  the Discovery Domain members of each DDS, for each iSNS Server
  instance being managed.  DDSs provide a method to group multiple
  Discovery Domains for easier control.  As described in the iSNS
  Specification [RFC4171], a DDS can be enabled or disabled, which in
  turn enables or disables the member Discovery Domains.  Discovery
  Domains that are contained in an enabled DDS are then enforced by an
  iSNS Server.

3.3.3.  Discovery Domain (DD)

  The isnsDdInfo section provides information on each registered DD,
  and the DD members, for each iSNS Server instance being managed.  DDs
  are collections of storage nodes and portals that are allowed to
  discover one another.  DD members can be iSCSI nodes, Entity Portals,
  or iFCP nodes.

3.3.4.  Registered Storage Objects

  The isnsReg section provides information on the registered storage
  objects for a specific iSNS Server instance.  This section is divided
  into subsections for Entities, Portals, and iSCSI Nodes, as well as
  iFCP Port and Node information.

3.3.4.1.  Registered Entities

  The isnsRegEntityInfo section provides information on the registered
  entities.  Entities are collections of storage nodes and portals.

3.3.4.2.  Registered Portals

  The isnsRegPortalInfo section provides information on the registered
  portals for a specific iSNS Server instance.  Portals are logical
  IP-Address, TCP/UDP Port pairs that provide access to storage nodes
  contained in the associated Entity.





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3.3.4.3.  Registered Portal Groups

  The isnsRegPortalGroupInfo section provides information on the
  registered portal groups for a specific iSNS Server instance.  As
  described in iSCSI [RFC3720], Portal Groups provide a mapping between
  Portals and iSCSI Storage Nodes contained in an Entity.

3.3.4.4.  Registered iSCSI Nodes

  The isnsRegIscsiNodeInfo section provides information on the
  registered iSCSI Nodes for a specific iSNS Server instance.  The
  iSCSI nodes are individual storage targets or initiators.

3.3.4.5.  Registered FC Ports

  The isnsRegFcPortInfo section provides information on the registered
  FC Ports for a specific iSNS Server instance.  The FC Ports are ports
  associated with an iFCP gateway.

3.3.4.6.  Registered FC Nodes

  The isnsRegFcNodeInfo section provides information on the registered
  FC Nodes for a specific iSNS Server instance.  The FC nodes are
  individual storage devices associated with an iFCP gateway.

3.4.  Multiple Server Instances

  The management of multiple instances of iSNS servers by the agent is
  supported.  As described in Section 3.3, each managed iSNS server
  instance has an entry in the table isnsServerTable.

3.5.  iSNS Notifications

  The isnsNotification section provides SNMP notifications for iSNS
  Server state changes.

4.  MIB References

  The following MIB module has IMPORTS from [RFC2578], [RFC2579],
  [RFC2580], [RFC3411], [RFC4001], [RFC4044], and [RFC4133].  In
  REFERENCE clauses, it also refers to [RFC3720], [RFC4171], and
  [RFC4172].









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5.  MIB Module

  ISNS-MIB DEFINITIONS ::= BEGIN
     IMPORTS
     --  From RFC 2578
         MODULE-IDENTITY,
         OBJECT-TYPE,
         NOTIFICATION-TYPE,
         Integer32,
         Unsigned32,
         Gauge32,
         mib-2
              FROM SNMPv2-SMI

     --  From RFC 2579
         TEXTUAL-CONVENTION,
         TimeStamp,
         TruthValue
              FROM SNMPv2-TC

     --  From RFC 2580
         OBJECT-GROUP,
         MODULE-COMPLIANCE,
         NOTIFICATION-GROUP
              FROM SNMPv2-CONF

     --  From RFC 3411
         SnmpAdminString
              FROM SNMP-FRAMEWORK-MIB

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

     --  From RFC 4044
         FcNameIdOrZero,
         FcAddressIdOrZero
              FROM FC-MGMT-MIB

     --  From RFC 4133
         PhysicalIndex
              FROM ENTITY-MIB
           ;

     isnsMIB  MODULE-IDENTITY
           LAST-UPDATED "200707110000Z"



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RFC 4939                        iSNS MIB                       July 2007


           ORGANIZATION "IETF IPS Working Group"
           CONTACT-INFO "
             Attn: Kevin Gibbons
                   2Wire, Inc.
                   1704 Automation Parkway
                   San Jose, CA 95131
                   USA
                   Tel: +1 408-895-1387
                   Fax: +1 408-428-9590
                   Email: [email protected]

                   G.D. Ramkumar
                   SnapTell, Inc.
                   2741 Middlefield Rd, Suite 200
                   Palo Alto, CA 94306
                   USA
                   Tel: +1 650-326-7627
                   Fax: +1 650-326-7620
                   Email: [email protected]

                   Scott Kipp
                   Brocade
                   4 McDATA Pkwy
                   Broomfield, CO 80021
                   USA
                   Tel: +1 720-558-3452
                   Fax: +1 720-558-8999
                   Email: [email protected]
                         "

              DESCRIPTION
                      "This module defines management information
                       specific to internet Storage Name Service
                       (iSNS) management.

                       Copyright (C) The IETF Trust (2007).
                       This version of this MIB module is part
                       of RFC 4939; see the RFC itself for full
                       legal notices."

              REVISION    "200707110000Z"

              DESCRIPTION
                       "Initial version of iSNS Management Module.
                        This MIB published as RFC 4939."
                ::=  { mib-2 163 }





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RFC 4939                        iSNS MIB                       July 2007


        --
        --  Textual Conventions
        --

     IsnsDiscoveryDomainSetId ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The unique Discovery Domain Set Identifier associated with a
      Discovery Domain Set (DDS)."
         REFERENCE      "RFC 4171, Section 6.11.1.1"
         SYNTAX         Unsigned32 ( 1 .. 4294967295 )

     IsnsDdsStatusType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The status of a Discovery Domain Set (DDS) registered in the
      iSNS.  The initially assigned values are below:
                   Bit           Status
                ---------       ---------
                   31            DDS Enabled
                All others       RESERVED

      Setting a bit to 1 indicates the feature is enabled.
      Otherwise, it is disabled.  The future assignment of any of
      the reserved values will be documented in a revision of
      RFC 4171."
         REFERENCE      "RFC 4171, Section 6.11.1.3"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24), reserved25(25), reserved26(26),
             reserved27(27), reserved28(28), reserved29(29),
             reserved30(30),
             ddsEnabled (31)
                             }

     IsnsDiscoveryDomainId ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The unique Discovery Domain Identifier (DD_ID) associated



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      with each Discovery Domain (DD).  This is used to
      uniquely index and reference a DD."
         REFERENCE      "RFC 4171, Section 6"
         SYNTAX         Unsigned32 ( 1 .. 4294967295 )

     IsnsDdFeatureType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "This type defines the features that each Discovery Domain
      (DD) has.
                   Bit           Status
                ---------       ---------
                   31            Boot List
                All others       RESERVED

      Boot List: this feature indicates that the targets
      in this DD provide boot capabilities for the member
      initiators.

      Setting a bit to 1 indicates the feature is enabled.
      Otherwise, it is disabled.  The future assignment of any of
      the reserved values will be documented in a revision of
      RFC 4171."
         REFERENCE      "RFC 4171, Section 6.11.2.9"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24), reserved25(25), reserved26(26),
             reserved27(27), reserved28(28), reserved29(29),
             reserved30(30),
             bootlist(31)
                             }

     IsnsDdDdsModificationType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The methods that can be used to modify the Discovery
      Domain and Discovery Domain Sets in an iSNS Server
      instance.
             Bit             Flag Description
          ---------   ------------------------------------
              0       Control Nodes are allowed



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RFC 4939                        iSNS MIB                       July 2007


              1       Target iSCSI Nodes are allowed
              2       Initiator iSCSI Nodes are allowed
              3       Target iFCP Ports are allowed
              4       Initiator iFCP Ports are allowed

      Setting a bit to 1 indicates the feature is
      enabled.  Otherwise, it is disabled."
         REFERENCE      "RFC 4171, Section 2.4"
         SYNTAX         BITS {
                           controlNode(0),
                           targetIscsiNode(1),
                           initiatorIscsiNode(2),
                           targetIfcpNode(3),
                           initiatorIfcpNode(4)
                             }

     IsnsEntityIndexIdOrZero ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The identifier for the unique integer Entity Index
      associated with an iSNS registered Entity object, and the
      value zero.  The value zero is object-specific and MUST
      therefore be defined as part of the description of any
      object that uses this syntax.  Examples of the usage of
      zero might include situations where the Entity is unknown,
      or not yet registered in the iSNS server.  If a value of
      zero is not valid for an object, then that MUST be
      indicated."
         REFERENCE      "RFC 4171, Section 6"
         SYNTAX         Unsigned32 ( 0 .. 4294967295 )

     IsnsPortalGroupIndexId ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The identifier for the unique integer Portal Group Index
      associated with an iSNS registered Portal Group object."
         REFERENCE      "RFC 4171, Section 6"
         SYNTAX         Unsigned32 ( 1 .. 4294967295 )

     IsnsPortalIndexId ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The identifier for the unique integer Portal Index
      associated with an iSNS registered Portal object.  The
      index is created by the iSNS Server for mapping between



Gibbons, et al.             Standards Track                    [Page 12]

RFC 4939                        iSNS MIB                       July 2007


      registered objects.  The Portal Index used for a specific
      portal IP-address and port number pair is only persistent
      across reboots for portals that have been explicitly added
      to a Discovery Domain (DD).  If a portal is not explicitly
      registered in any DD, then the index used for a portal can
      change after a server reinitialization."
         REFERENCE      "RFC 4171, Section 6"
         SYNTAX         Unsigned32 ( 1 .. 4294967295 )

     IsnsPortalPortTypeId ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The UDP or TCP port type being used by a Portal for an
      Entity."
         REFERENCE      "RFC 4171, Section 6.3.2"
         SYNTAX         INTEGER { udp(1), tcp(2) }

     IsnsPortalGroupTagIdOrNull ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The Portal Group Tag (PGT) represents an association
      between a Portal and iSCSI Node using the value range
      0 to 65535.  A PGT with no association is a NULL
      value.  The value of -1 indicates a NULL value."
         REFERENCE      "RFC 4171, Section 6.5.4, and RFC 3720"
         SYNTAX         Integer32 ( -1 .. 65535 )

     IsnsPortalSecurityType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "Indicates security attribute settings for a Portal that is
      registered in the iSNS server.  The bitmapVALID field must
      be set in order for the contents to be considered valid
      information.  The definitions of the bit fields are based
      on RFC 4171.  The initial representation of each bit setting
      (0 or 1) is indicated below.
            Bit             Flag Description
          ---------   ------------------------------------
             25       1 = Tunnel Mode Preferred; 0 = No Preference
             26       1 = Transport Mode Preferred; 0 = No
                      Preference
             27       1 = PFS Enabled; 0 = PFS Disabled
             28       1 = Aggressive Mode Enabled; 0 = Disabled
             29       1 = Main Mode Enabled; 0 = MM Disabled
             30       1 = IKE/IPsec Enabled; 0 = IKE/IPsec
                      Disabled
             31       1 = Bitmap VALID; 0 = INVALID



Gibbons, et al.             Standards Track                    [Page 13]

RFC 4939                        iSNS MIB                       July 2007


          All others  RESERVED

      The future assignment of any of the reserved values will be
      documented in a revision of RFC 4171."
         REFERENCE      "RFC 4171, Section 6.3.9"
         SYNTAX        BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24),
             tunnelModePreferred(25),
             transportModePreferred(26),
             pfsEnabled(27),
             agressiveModeEnabled(28),
             mainModeEnabled(29),
             ikeIPsecEnabled(30),
             bitmapVALID(31)
                            }

     IsnsNodeIndexId ::= TEXTUAL-CONVENTION
         DISPLAY-HINT   "d"
         STATUS         current
         DESCRIPTION
     "The identifier for the unique integer Node Index associated
      with a storage node.  This index provides a 1-to-1 mapping
      to an iSCSI node name.  The iSCSI node name maximum length
      is too long to be used for an index directly.  The iSCSI
      node index used for a specific iSCSI node name is identical
      in all DDs, and is persistent across server
      reinitializations when the iSCSI node is a member of a
      Discovery Domain (DD) or is registered as a Control Node.
      Furthermore, index values for recently deregistered objects
      SHOULD NOT be reused in the short term."
         REFERENCE      "RFC 4171, Section 6.4.5"
         SYNTAX         Unsigned32 ( 1 .. 4294967295 )

     IsnsIscsiNodeType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The iSCSI Node Type defines the functions of the registered
      object.  The definitions of each setting are defined in
      RFC 4171.
                   Bit          Node Type



Gibbons, et al.             Standards Track                    [Page 14]

RFC 4939                        iSNS MIB                       July 2007


                ---------       ---------
                   29            Control
                   30            Initiator
                   31            Target
                All others       RESERVED

      Setting a bit to 1 indicates the node has the corresponding
      characteristics.  The future assignment of any of the
      reserved values will be documented in a revision of
      RFC 4171."
         REFERENCE      "RFC 4171, Section 6.4.2"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24), reserved25(25), reserved26(26),
             reserved27(27), reserved28(28),
             control(29),
             initiator(30),
             target(31)
                             }

     IsnsFcClassOfServiceType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "This defines the Fibre Channel Class of Service types
      that are supported by the registered port.  The
      definitions are as defined in RFC 4171.
            Bit              FC COS Type
          ---------          ----------------
             28             Fibre Channel Class 3 Supported
             29             Fibre Channel Class 2 Supported
          All others        RESERVED

      Setting a bit to 1 indicates the class of service is
      supported.  The future assignment of any of the
      reserved values will be documented in a revision of
      RFC 4171."
         REFERENCE      "RFC 4171, Section 6.6.8"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),



Gibbons, et al.             Standards Track                    [Page 15]

RFC 4939                        iSNS MIB                       July 2007


             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24), reserved25(25), reserved26(26),
             reserved27(27),
             class3(28),
             class2(29)
                             }

     IsnsIscsiScnType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The iSCSI Node State Change Notification (SCN) values
      for a node as defined in RFC 4171.
               Bit                Description
            ------------       ----------------
             24                Initiator and self information only
             25                Target and self information only
             26                Management registration/SCN
             27                Object removed
             28                Object added
             29                Object updated
             30                DD or DDS member removed (Mgmt
                               Reg/SCN only)
             31 (Lsb)          DD or DDS member added (Mgmt
                               Reg/SCN only)
             All others        Reserved

      Setting a bit to 1 indicates that type of SCN is enabled.
      The future assignment of any of the reserved values will be
      documented in a revision of RFC 4171."
         REFERENCE      "RFC 4171, Section 6.4.4"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             initiatorAndSelfOnly(24),
             targetAndSelfOnly(25),
             managementRegistrationScn(26),
             objectRemoved(27),
             objectAdded(28),



Gibbons, et al.             Standards Track                    [Page 16]

RFC 4939                        iSNS MIB                       July 2007


             objectUpdated(29),
             ddOrDdsMemberRemoved(30),
             ddOrDdsMemberAdded(31)
                             }

     IsnsIfcpScnType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The iFCP State Change Notification (SCN) values for an iFCP
      object as defined in RFC 4171.
               Bit                Description
            ------------       ----------------
             24                Initiator and self information only
             25                Target and self information only
             26                Management registration/SCN
             27                Object removed
             28                Object added
             29                Object updated
             30                DD or DDS member removed (Mgmt
                               Reg/SCN only)
             31 (Lsb)          DD or DDS member added (Mgmt
                               Reg/SCN only)
             All others        Reserved

      Setting a bit to 1 indicates that type of SCN is enabled.
      The future assignment of any of the reserved values will be
      documented in a revision of RFC 4171."
         REFERENCE      "RFC 4171, Section 6.6.12"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             initiatorAndSelfOnly(24),
             targetAndSelfOnly(25),
             managementRegistrationScn(26),
             objectRemoved(27),
             objectAdded(28),
             objectUpdated(29),
             ddOrDdsMemberRemoved(30),
             ddOrDdsMemberAdded(31)
                             }

     IsnsFcPortRoleType ::= TEXTUAL-CONVENTION



Gibbons, et al.             Standards Track                    [Page 17]

RFC 4939                        iSNS MIB                       July 2007


         STATUS         current
         DESCRIPTION
     "The FC Port Role defines the functions of the registered
      object.  The definitions of each setting are defined in
      RFC 4171.
                   Bit          Port Role
                ---------       ---------
                   29            Control
                   30            FCP Initiator
                   31            FCP Target
               All others        RESERVED

      Setting a bit to 1 indicates the port has the corresponding
      characteristics.  The future assignment of any of the
      reserved values will be documented in a revision of
      RFC 4171."
         REFERENCE      "RFC 4171, Section 6.6.13"
         SYNTAX         BITS {
             reserved0(0), reserved1(1), reserved2(2),
             reserved3(3), reserved4(4), reserved5(5),
             reserved6(6), reserved7(7), reserved8(8),
             reserved9(9), reserved10(10), reserved11(11),
             reserved12(12), reserved13(13), reserved14(14),
             reserved15(15), reserved16(16), reserved17(17),
             reserved18(18), reserved19(19), reserved20(20),
             reserved21(21), reserved22(22), reserved23(23),
             reserved24(24), reserved25(25), reserved26(26),
             reserved27(27), reserved28(28),
             control(29),
             initiator(30),
             target(31)
                             }

     IsnsSrvrDiscoveryMethodsType ::= TEXTUAL-CONVENTION
         STATUS         current
         DESCRIPTION
     "The types of iSNS Server discovery methods that are enabled
      on an iSNS Server.  The options are DHCP, Service Location
      Protocol (SLP), multicast group iSNS heartbeat, broadcast
      group iSNS heartbeat, configured server list, and other.
      The iSNS Server may support additional discovery methods
      not indicated."
         REFERENCE      "RFC 4171, Section 2.5"
         SYNTAX         BITS {
                           dhcp(0),
                           slp(1),
                           multicastGroupHb(2),
                           broadcastHb(3),



Gibbons, et al.             Standards Track                    [Page 18]

RFC 4939                        iSNS MIB                       July 2007


                           cfgdServerList(4),
                           other(5)
                                 }

     --
     -- Internet Storage Name Service Management
     --


     isnsNotifications           OBJECT IDENTIFIER ::=
                                     { isnsMIB 0 }
     isnsObjects                 OBJECT IDENTIFIER ::=
                                     { isnsMIB 1 }
     isnsConformance             OBJECT IDENTIFIER ::=
                                     { isnsMIB 2 }

     --
     -- iSNS Server instance managed objects --------------------
     --

     isnsServerInfo OBJECT IDENTIFIER ::= { isnsObjects 1 }

     isnsServerTable             OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsServerEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "This table provides a list of the iSNS Server instances
      that are managed through the same SNMP context."
         ::= { isnsServerInfo 1 }

     isnsServerEntry             OBJECT-TYPE
         SYNTAX                  IsnsServerEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "This is a row in the iSNS Server instance table.  The number
      of rows is dependent on the number of iSNS Server instances
      that are being managed through the same SNMP context."
         INDEX   { isnsServerIndex }
         ::= { isnsServerTable 1 }

     IsnsServerEntry ::=
         SEQUENCE {
            isnsServerIndex           Unsigned32,
            isnsServerName            SnmpAdminString,
            isnsServerIsnsVersion     Unsigned32,
            isnsServerVendorInfo      SnmpAdminString,



Gibbons, et al.             Standards Track                    [Page 19]

RFC 4939                        iSNS MIB                       July 2007


            isnsServerPhysicalIndex   PhysicalIndex,
            isnsServerTcpPort         InetPortNumber,
            isnsServerUdpPort         InetPortNumber,
            isnsServerDiscontinuityTime
                                      TimeStamp,
            isnsServerRole            INTEGER,
            isnsServerDiscoveryMethodsEnabled
                                      IsnsSrvrDiscoveryMethodsType,
            isnsServerDiscoveryMcGroupType
                                      InetAddressType,
            isnsServerDiscoveryMcGroupAddress
                                      InetAddress,
            isnsServerEsiNonResponseThreshold
                                      Unsigned32,
            isnsServerEnableControlNodeMgtScn
                                      TruthValue,
            isnsServerDefaultDdDdsStatus
                                      INTEGER,
            isnsServerUpdateDdDdsSupported
                                      IsnsDdDdsModificationType,
            isnsServerUpdateDdDdsEnabled
                                      IsnsDdDdsModificationType
                  }

     isnsServerIndex             OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 1 .. 4294967295 )
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "This object uniquely identifies the iSNS Server being
      managed by the SNMP context and is the key for this table.
      This is an instance index for each iSNS Server being
      managed.  The value of this object is used elsewhere in
      the MIB to reference specific iSNS Servers."
         ::= { isnsServerEntry 1 }

     isnsServerName              OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "A non-unique name that can be assigned to the iSNS Server
      instance.  If not configured, then the string SHALL be
      zero-length."
         ::= { isnsServerEntry 2 }

     isnsServerIsnsVersion       OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 65535 )



Gibbons, et al.             Standards Track                    [Page 20]

RFC 4939                        iSNS MIB                       July 2007


         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSNS version value as contained in messages received
      from the current primary server.  The header of each iSNSP
      message contains the iSNS version of the sender.  If
      unknown, the reported value is 0."
         REFERENCE               "RFC 4171"
         DEFVAL                  { 1 }
         ::= { isnsServerEntry 3 }

     isnsServerVendorInfo        OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "If this server instance is utilizing the product of a
      particular 'vendor', then this managed object contains
      that vendor's name and version.  Otherwise, the
      string SHALL be zero-length.  The format of the string
      is as follows: Vendor Name, Vendor Version, Vendor
      Defined Information.

            Field           Description
          ---------       ----------------
         Vendor Name      The name of the vendor (if one exists)
         Vendor Version   The version of the vendor product
         Vendor Defined   This follows the second comma in the
                          string, if one exists, and is vendor
                          defined
     "
         ::= { isnsServerEntry 4 }

     isnsServerPhysicalIndex     OBJECT-TYPE
         SYNTAX                  PhysicalIndex
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "An index identifying the network interface for this iSNS
      Server within a network entity.  This index maps to the
      entPhysicalIndex of entPhysicalTable table in RFC 4133.  The
      entPhysicalClass value for the table row must be 'port', as
      the interface must be able to send and receive data."
         REFERENCE           "RFC 4133, RFC 4171, Section 2.5 - 2.8"
         ::= { isnsServerEntry 5 }

     isnsServerTcpPort           OBJECT-TYPE
         SYNTAX                  InetPortNumber



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RFC 4939                        iSNS MIB                       July 2007


         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Indicates the TCP port this iSNS instance is accepting
      iSNSP messages on, generally the iSNS well-known port.
      The well-known TCP port for iSNSP is 3205.  If TCP is
      not supported by this server instance, then the value
      is 0."
         ::= { isnsServerEntry 6 }

     isnsServerUdpPort           OBJECT-TYPE
         SYNTAX                  InetPortNumber
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Indicates the UDP port this iSNS instance is accepting
      iSNSP messages on; generally, the iSNS well-known port.
      The well-known UDP port for iSNSP is 3205.  If UDP is
      not supported by this server instance, then the value
      is 0."
         ::= { isnsServerEntry 7 }

     isnsServerDiscontinuityTime OBJECT-TYPE
          SYNTAX                 TimeStamp
          MAX-ACCESS             read-only
          STATUS                 current
          DESCRIPTION
     "The value of sysUpTime on the most recent occasion that
      this iSNS server became active or suffered a
      discontinuity."
         ::= { isnsServerEntry 8 }

     isnsServerRole              OBJECT-TYPE
          SYNTAX                 INTEGER { notSet(1),
                                           server(2),
                                           backupServer(3) }
          MAX-ACCESS             read-only
          STATUS                 current
          DESCRIPTION
     "The current operational mode of this iSNS Server instance.

            Value             Description
          ---------         ----------------
           notSet           The iSNS Server role is not
                            configured.
           server           The iSNS Server instance is
                            an operational iSNS Server.
           backupServer     The iSNS Server instance is



Gibbons, et al.             Standards Track                    [Page 22]

RFC 4939                        iSNS MIB                       July 2007


                            currently acting as a backup."
         REFERENCE               "RFC 4171, Section 2.7 - 2.8"
         ::= { isnsServerEntry 9 }

     isnsServerDiscoveryMethodsEnabled  OBJECT-TYPE
         SYNTAX                  IsnsSrvrDiscoveryMethodsType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Indicates the discovery methods currently enabled for
      this iSNS Server instance.  This allows a client to
      determine what discovery methods can be used for
      this iSNS Server.  Additional methods of discovery may
      also be supported."
         ::= { isnsServerEntry 10 }

     isnsServerDiscoveryMcGroupType   OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Internet address in
      isnsServerDiscoveryMcGroupAddress.  If the address is
      specified, then it must be a valid multicast address and the
      value of this object must be ipv4(1), ipv6(2), ipv4z(3), or
      ipv6z(4); otherwise, the value of this object is
      unknown(0), and the value of
      isnsServerDiscoveryMcGroupAddress is the zero-length string."
         ::= { isnsServerEntry 11 }

     isnsServerDiscoveryMcGroupAddress  OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The multicast group that iSNS Heartbeat messages are
      sent to if multicast-based discovery has been enabled
      for this server instance.  If not configured, then the
      string SHALL be zero-length.  The format of this
      object is specified by isnsServerDiscoveryMcGroupType."
         ::= { isnsServerEntry 12 }

     isnsServerEsiNonResponseThreshold OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 65535 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Entity Status Inquiry (ESI) Non-Response Threshold -



Gibbons, et al.             Standards Track                    [Page 23]

RFC 4939                        iSNS MIB                       July 2007


      the number of ESI messages that will be sent without
      receiving a response before an entity is deregistered
      from the iSNS database.  A value of 0 indicates
      Entities will never be deregistered due to non-receipt
      of ESI messages."
         REFERENCE "RFC 4171, Section 2.4"
         DEFVAL                  { 3 }
         ::= { isnsServerEntry 13 }

     isnsServerEnableControlNodeMgtScn  OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Indicates if the iSNS Server administrative option to send
      Management SCNs to Control Nodes is enabled.  Management
      SCNs are used by Control Nodes to monitor and control an
      iSNS Server.  If enabled, Control Nodes can register to
      receive Management SCNs."
         REFERENCE "RFC 4171, Section 2.2.3, 2.4"
         DEFVAL                  { true }
         ::= { isnsServerEntry 14 }

     isnsServerDefaultDdDdsStatus OBJECT-TYPE
         SYNTAX                  INTEGER { inNoDomain(1),
                                           inDefaultDdAndDds(2) }
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This indicates the Discovery Domain (DD) and Discovery
      Domain Set (DDS) membership status for a new device
      when registered in the iSNS Server instance.  Either the
      new device will not be in a DD/DDS, or will be placed
      into a default DD and default DDS.  The default setting
      is inNoDomain."
         REFERENCE "RFC 4171, Section 2.4"
         DEFVAL                  { inNoDomain }
         ::= { isnsServerEntry 15 }

     isnsServerUpdateDdDdsSupported OBJECT-TYPE
         SYNTAX                  IsnsDdDdsModificationType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The methods that this iSNS Server instance supports
      to modify Discovery Domains and Discovery Domain Sets."
         REFERENCE  "RFC 4171, Section 2.4"
         ::= { isnsServerEntry 16 }



Gibbons, et al.             Standards Track                    [Page 24]

RFC 4939                        iSNS MIB                       July 2007



     isnsServerUpdateDdDdsEnabled OBJECT-TYPE
         SYNTAX                  IsnsDdDdsModificationType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This indicates the methods this server instance currently
      allows for modifying Discovery Domains and Discovery
      Domain Sets."
         REFERENCE  "RFC 4171, Sec 2.2.2 and 2.4"
         ::= { isnsServerEntry 17 }

     --
     -- Count of objects currently registered in a server instance
     --

     isnsNumObjectsTable         OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                     IsnsNumObjectsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Table providing the number of registered objects of each
      type in the iSNS Server instance.  The number of entries is
      dependent upon the number of iSNS Server instances being
      managed."
         ::= { isnsServerInfo 2 }

     isnsNumObjectsEntry         OBJECT-TYPE
         SYNTAX                  IsnsNumObjectsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Entry of an iSNS Server instance."
         AUGMENTS { isnsServerEntry }
          ::= { isnsNumObjectsTable 1 }

     IsnsNumObjectsEntry ::= SEQUENCE  {
          isnsNumDds             Gauge32,
          isnsNumDd              Gauge32,
          isnsNumEntities        Gauge32,
          isnsNumPortals         Gauge32,
          isnsNumPortalGroups    Gauge32,
          isnsNumIscsiNodes      Gauge32,
          isnsNumFcPorts         Gauge32,
          isnsNumFcNodes         Gauge32
                                        }




Gibbons, et al.             Standards Track                    [Page 25]

RFC 4939                        iSNS MIB                       July 2007


     isnsNumDds                  OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of Discovery Domain Sets
      in this iSNS instance.  This is the number of rows
      in the isnsDdsTable."
         ::= { isnsNumObjectsEntry 1 }

     isnsNumDd                   OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of Discovery Domains
      in this iSNS instance.  This is the number of rows in the
      isnsDdTable."
         ::= { isnsNumObjectsEntry 2 }

     isnsNumEntities             OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current number of Entities registered in this
      iSNS Server instance.  This is the number of rows in
      the isnsRegEntityTable for this instance."
         ::= { isnsNumObjectsEntry 3 }

     isnsNumPortals              OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of Portals registered in iSNS.
      This is the number of rows in isnsRegPortalTable."
         ::= { isnsNumObjectsEntry 4 }

     isnsNumPortalGroups         OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of Portal Groups registered in
      iSNS.  This is the number of rows in isnsRegPgTable."
         ::= { isnsNumObjectsEntry 5 }




Gibbons, et al.             Standards Track                    [Page 26]

RFC 4939                        iSNS MIB                       July 2007


     isnsNumIscsiNodes           OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of iSCSI node entries registered
      in the iSNS.  This is the number rows in
      isnsRegIscsiNodeTable."
         ::= { isnsNumObjectsEntry 6 }

     isnsNumFcPorts              OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of FC Port entries registered
      in the iSNS.  This is the number of rows in
      isnsRegFcPortTable."
         ::= { isnsNumObjectsEntry 7 }

     isnsNumFcNodes              OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The current total number of FC node entries registered
      in the iSNS.  This is the number of rows in
      isnsRegFcNodeTable."
         ::= { isnsNumObjectsEntry 8 }

     --
     -- Control node information
     --

     isnsControlNodeInfo     OBJECT IDENTIFIER ::=
                                          { isnsServerInfo 3 }

     --
     -- Specific iSCSI Nodes authorized to register as Control
     -- Nodes
     --

     isnsControlNodeIscsiTable   OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsControlNodeIscsiEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION



Gibbons, et al.             Standards Track                    [Page 27]

RFC 4939                        iSNS MIB                       July 2007


     "Specified iSCSI Nodes that can register or are registered
      as control nodes.  The number of rows is dependent on the
      number of iSCSI Control Nodes."
         ::= { isnsControlNodeInfo 1 }

     isnsControlNodeIscsiEntry      OBJECT-TYPE
         SYNTAX                  IsnsControlNodeIscsiEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "This is an iSCSI Control Node entry for a specific iSNS
      server instance."
          INDEX          { isnsServerIndex,
                           isnsControlNodeIscsiNodeIndex }
          ::= { isnsControlNodeIscsiTable 1 }

     IsnsControlNodeIscsiEntry ::= SEQUENCE {
          isnsControlNodeIscsiNodeIndex     IsnsNodeIndexId,
          isnsControlNodeIscsiNodeName      SnmpAdminString,
          isnsControlNodeIscsiIsRegistered  TruthValue,
          isnsControlNodeIscsiRcvMgtSCN     TruthValue
                                         }

     isnsControlNodeIscsiNodeIndex  OBJECT-TYPE
         SYNTAX                  IsnsNodeIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The index for the iSCSI storage node authorized to act
      as a control node."
          ::= { isnsControlNodeIscsiEntry 1 }

     isnsControlNodeIscsiNodeName   OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSCSI Name of the initiator or target associated with
      the storage node.  The iSCSI Name cannot be longer than
      223 bytes.  The iSNS Server internal maximum size is 224
      bytes to provide NULL termination.  This is the iSCSI Node
      Name for the storage node authorized and/or acting as a
      control node."
          ::= { isnsControlNodeIscsiEntry 2 }

     isnsControlNodeIscsiIsRegistered OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only



Gibbons, et al.             Standards Track                    [Page 28]

RFC 4939                        iSNS MIB                       July 2007


         STATUS                  current
         DESCRIPTION
      "Indicates whether the control node is currently
       registered in the iSNS Server instance."
          ::= { isnsControlNodeIscsiEntry 3 }

     isnsControlNodeIscsiRcvMgtSCN  OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
      "Indicates whether the Control Node has registered to
       receive Management SCNs.  Management SCNs are sent to
       a Control Node if they are enabled, as indicated by
       isnsServerEnableControlNodeMgtScn, and the Control
       Node has registered for them."
         REFERENCE "RFC 4171, Section 2.2.3, 2.4"
          ::= { isnsControlNodeIscsiEntry 4 }

     --
     -- Specific FC Ports authorized to register as Control
     -- Nodes
     --

     isnsControlNodeFcPortTable  OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsControlNodeFcPortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Specified FC Ports that can register or are registered as
      control nodes.  The number of rows is dependent on the
      number of FC Port Control Nodes."
         ::= { isnsControlNodeInfo 2 }

     isnsControlNodeFcPortEntry  OBJECT-TYPE
         SYNTAX                  IsnsControlNodeFcPortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "FC Port control node entry."
          INDEX          { isnsServerIndex,
                           isnsControlNodeFcPortWwpn }
          ::= { isnsControlNodeFcPortTable 1 }

     IsnsControlNodeFcPortEntry ::= SEQUENCE  {
          isnsControlNodeFcPortWwpn          FcNameIdOrZero,
          isnsControlNodeFcPortIsRegistered  TruthValue,



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RFC 4939                        iSNS MIB                       July 2007


          isnsControlNodeFcPortRcvMgtSCN     TruthValue
                                              }

     isnsControlNodeFcPortWwpn   OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero (SIZE(8))
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The FC Port World Wide Port Name that can and/or is acting
      as a Control Node for the specified iSNS Server.  A zero-
      length string is not valid for this managed object.
      This managed object, combined with the isnsServerIndex, is
      the key for this table."
          ::= { isnsControlNodeFcPortEntry 1 }

     isnsControlNodeFcPortIsRegistered OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
      "Indicates whether the control node is currently
       registered in the iSNS Server instance."
          ::= { isnsControlNodeFcPortEntry 2 }

     isnsControlNodeFcPortRcvMgtSCN OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
      "Indicates whether the Control Node has registered to
       receive Management SCNs.  Management SCNs are sent to
       a Control Node if they are enabled, as indicated by
       isnsServerEnableControlNodeMgtScn, and the Control
       Node has registered for them."
         REFERENCE "RFC 4171, Section 2.2.3, 2.4"
          ::= { isnsControlNodeFcPortEntry 3 }

     --
     -- Discovery Domain Set information
     --

     isnsDdsInfo     OBJECT IDENTIFIER ::= { isnsServerInfo 4 }

     --
     -- Discovery Domain Set Registrations -----------------
     --

     isnsDdsTable                OBJECT-TYPE



Gibbons, et al.             Standards Track                    [Page 30]

RFC 4939                        iSNS MIB                       July 2007


         SYNTAX                  SEQUENCE OF IsnsDdsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing configuration information for each
      Discovery Domain Set (DDS) registered in the iSNS Server
      instance.  The number of rows in the table is dependent
      on the number of DDSs registered in the specified iSNS
      server instance."
         ::= { isnsDdsInfo 1 }

     isnsDdsEntry                OBJECT-TYPE
         SYNTAX                  IsnsDdsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one Discovery Domain Set (DDS) registered
      in the iSNS Server instance."
         INDEX   { isnsServerIndex, isnsDdsId}
         ::= { isnsDdsTable 1 }

     IsnsDdsEntry ::=
         SEQUENCE {
            isnsDdsId             IsnsDiscoveryDomainSetId,
            isnsDdsSymbolicName   SnmpAdminString,
            isnsDdsStatus         IsnsDdsStatusType
                  }

     isnsDdsId                   OBJECT-TYPE
         SYNTAX                  IsnsDiscoveryDomainSetId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The ID that refers to this Discovery Domain Set and
      index to the table."
         ::= { isnsDdsEntry 1 }

     isnsDdsSymbolicName         OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Discovery Domain Set Symbolic Name field contains
      a unique variable-length description (up to 255 bytes)
      that is associated with the DDS.  If a Symbolic Name is
      not provided, then one will be generated by the iSNS
      server."
         REFERENCE "RFC 4171, Section 6"



Gibbons, et al.             Standards Track                    [Page 31]

RFC 4939                        iSNS MIB                       July 2007


         ::= { isnsDdsEntry 2 }

     isnsDdsStatus               OBJECT-TYPE
         SYNTAX                  IsnsDdsStatusType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The status of this Discovery Domain Set (DDS)."
         REFERENCE "RFC 4171, Section 6.11.1.3"
         ::= { isnsDdsEntry 3 }

     --
     -- Discovery Domain Set Members --------------------
     --

     --
     -- DDS Membership Assignment
     --

     isnsDdsMemberTable          OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsDdsMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing Discovery Domains (DDs) that have
      been assigned to specific Discovery Domain Sets (DDSs).
      The number of rows in the table is dependent on the
      number of DD to DDS relationships in the iSNS instance."
         ::= { isnsDdsInfo 2 }


     isnsDdsMemberEntry          OBJECT-TYPE
         SYNTAX                  IsnsDdsMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The mapping of one Discovery Domain (DD) to a Discovery
      Domain Set (DDS).  This indicates the DD is a member of
      the DDS."
         INDEX   { isnsServerIndex,
                   isnsDdsId,
                   isnsDdsMemberDdId }
         ::= { isnsDdsMemberTable 1 }

     IsnsDdsMemberEntry ::=
         SEQUENCE {
            isnsDdsMemberDdId       IsnsDiscoveryDomainId,
            isnsDdsMemberSymbolicName SnmpAdminString



Gibbons, et al.             Standards Track                    [Page 32]

RFC 4939                        iSNS MIB                       July 2007


                  }

     isnsDdsMemberDdId           OBJECT-TYPE
         SYNTAX                  IsnsDiscoveryDomainId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The ID that identifies the Discovery Domain
      that is a member of the Discovery Domain Set."
         ::= { isnsDdsMemberEntry 1 }

     isnsDdsMemberSymbolicName   OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Symbolic Name of the Discovery Domain that is a member
      of this DDS.  This value SHALL be identical to the object
      isnsDdSymbolicName for the associated DD ID."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdsMemberEntry 2 }

     --
     -- Discovery Domain information
     --

     isnsDdInfo     OBJECT IDENTIFIER ::= { isnsServerInfo 5 }

     --
     -- Discovery Domain Registrations ------------------------
     --

     isnsDdTable                 OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsDdEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing configuration information for each
      Discovery Domain (DD) registered in the iSNS.  The number
      of rows in the table is dependent on the number of DDs
      registered in the iSNS instance."
         ::= { isnsDdInfo 1 }

     isnsDdEntry                 OBJECT-TYPE
         SYNTAX                  IsnsDdEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION



Gibbons, et al.             Standards Track                    [Page 33]

RFC 4939                        iSNS MIB                       July 2007


     "Information on a Discovery Domain (DD) registered in
      the iSNS Server instance."
         INDEX   { isnsServerIndex, isnsDdId}
         ::= { isnsDdTable 1 }

     IsnsDdEntry::=
         SEQUENCE {
            isnsDdId             IsnsDiscoveryDomainId,
            isnsDdSymbolicName   SnmpAdminString,
            isnsDdFeatures       IsnsDdFeatureType
                  }

     isnsDdId                    OBJECT-TYPE
         SYNTAX                  IsnsDiscoveryDomainId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The ID that refers to this Discovery Domain, and the
      index to the table."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdEntry 1 }

     isnsDdSymbolicName          OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Discovery Domain Symbolic Name field contains a
      unique variable-length description (up to 255 bytes)
      that is associated with the DD."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdEntry 2 }

     isnsDdFeatures              OBJECT-TYPE
         SYNTAX                  IsnsDdFeatureType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This defines the features the Discovery Domain has."
         REFERENCE "RFC 4171, Section 6.11.2.9"
         ::= { isnsDdEntry 3 }










Gibbons, et al.             Standards Track                    [Page 34]

RFC 4939                        iSNS MIB                       July 2007


     --
     -- Discovery Domain Members --------------------
     --

     --
     -- DD iSCSI Node Membership Assignment
     --

     isnsDdIscsiMemberTable      OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsDdIscsiMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing iSCSI node indexes that have been
      assigned to specific DDs in this iSNS Server instance.  The
      number of rows in the table is dependent on the number of
      relationships between iSCSI Nodes and DDs registered in the
      iSNS instance."
         ::= { isnsDdInfo 2 }

     isnsDdIscsiMemberEntry      OBJECT-TYPE
         SYNTAX                  IsnsDdIscsiMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The mapping of one iSCSI Node to a Discovery Domain to
      indicate membership in the DD.  The indexes are the iSNS
      server instance, the DD ID of the Discovery Domain, and
      the iSCSI Node Index of the iSCSI Node."
         INDEX   { isnsServerIndex,
                   isnsDdId,
                   isnsDdIscsiMemberIndex }
         ::= { isnsDdIscsiMemberTable 1 }

     IsnsDdIscsiMemberEntry::=
         SEQUENCE {
            isnsDdIscsiMemberIndex   IsnsNodeIndexId,
            isnsDdIscsiMemberName    SnmpAdminString,
            isnsDdIscsiMemberIsRegistered TruthValue
                  }

     isnsDdIscsiMemberIndex      OBJECT-TYPE
         SYNTAX                  IsnsNodeIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The index for this member iSCSI node entry."



Gibbons, et al.             Standards Track                    [Page 35]

RFC 4939                        iSNS MIB                       July 2007


         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdIscsiMemberEntry 1 }

     isnsDdIscsiMemberName       OBJECT-TYPE
         SYNTAX                  SnmpAdminString (SIZE (0..223))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSCSI Name associated with the storage node.  The
      iSCSI Name cannot be longer than 223 bytes.  The iSNS
      server internal maximum size is 224 bytes to provide
      NULL termination.  This is the iSCSI Name for the storage
      node that is a member of the DD.  This value maps 1 to 1
      to the isnsDdIscsiMemberIndex node index.  The iSCSI Name
      field is too long to be easily used for an index directly.
      The node index used for a specific node name is only
      persistent across iSNS Server reinitializations for nodes
      that are in a Discovery Domain (DD) or are registered
      control nodes.  This value is only required during row
      creation if the storage node is not yet registered in the
      iSNS Server instance.  If the storage node is not yet
      registered, then the iSCSI Name MUST be provided with the
      iSCSI node index during row creation in order to create the
      1-to-1 mapping."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdIscsiMemberEntry 2 }

     isnsDdIscsiMemberIsRegistered OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This indicates whether this member of the DD is currently
      registered in the iSNS Server instance.  iSCSI Storage
      Node members do not need to be currently registered in
      order for their iSCSI Name and Index to be added to
      a DD."
         REFERENCE "RFC 4171, Section 6.11"
         ::= { isnsDdIscsiMemberEntry 3 }

     --
     -- DD Portal Membership Assignment
     --

     isnsDdPortalMemberTable     OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsDdPortalMemberEntry
         MAX-ACCESS              not-accessible



Gibbons, et al.             Standards Track                    [Page 36]

RFC 4939                        iSNS MIB                       July 2007


         STATUS                  current
         DESCRIPTION
     "A table containing currently registered and unregistered
      portal objects that have been explicitly assigned to
      specific DDs.  Explicit assignment of a portal to a DD
      is only done when a specific set of portals are preferred
      for use within a DD.  Otherwise, for iSCSI, the Portal
      Group Object should be used for identifying which portals
      provide access to which storage nodes.  The number of rows
      in the table is dependent on the number of explicit
      relationships between portals and DDs registered in the
      iSNS."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdInfo 3 }

     isnsDdPortalMemberEntry     OBJECT-TYPE
         SYNTAX                  IsnsDdPortalMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Each entry indicates an explicit addition of a portal to a
      discovery domain.  The explicit addition of an entity portal
      to a discovery domain indicates the portal is preferred for
      access to nodes of the entity for this discovery domain.
      Registered Portal Group objects are used in iSCSI to
      indicate mapping of portals to nodes across all discovery
      domains.  Portals that have been explicitly mapped to a
      discovery domain will be returned as part of a query that
      is scoped to that discovery domain.  If no portal of an
      entity has been explicitly mapped to a discovery domain,
      then all portals of the entity that provide access to a
      storage node are returned as part of a query.  The table
      indexes are the server instance, the DD ID of the Discovery
      Domain, and the Portal Index of the portal."
         INDEX   { isnsServerIndex,
                   isnsDdId,
                   isnsDdPortalMemberIndex }
         ::= { isnsDdPortalMemberTable 1 }

     IsnsDdPortalMemberEntry ::=
         SEQUENCE {
            isnsDdPortalMemberIndex        IsnsPortalIndexId,
            isnsDdPortalMemberAddressType  InetAddressType,
            isnsDdPortalMemberAddress      InetAddress,
            isnsDdPortalMemberPortType     IsnsPortalPortTypeId,
            isnsDdPortalMemberPort         InetPortNumber,
            isnsDdPortalMemberIsRegistered TruthValue
                  }



Gibbons, et al.             Standards Track                    [Page 37]

RFC 4939                        iSNS MIB                       July 2007



     isnsDdPortalMemberIndex     OBJECT-TYPE
         SYNTAX                  IsnsPortalIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The index for a portal explicitly contained in the discovery
      domain.  This managed object, combined with isnsServerIndex
      and isnsDdId, is the key for this table."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdPortalMemberEntry 1 }

     isnsDdPortalMemberAddressType  OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsDdPortalMemberAddress.  If
      the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsDdPortalMemberAddress is the zero-length string."
         ::= { isnsDdPortalMemberEntry 2 }

     isnsDdPortalMemberAddress   OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Inet Address for the portal.  The format of this
      object is specified by isnsDdPortalMemberAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdPortalMemberEntry 3 }

     isnsDdPortalMemberPortType  OBJECT-TYPE
         SYNTAX                  IsnsPortalPortTypeId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port type for the portal, either UDP or TCP."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdPortalMemberEntry 4 }

     isnsDdPortalMemberPort      OBJECT-TYPE
         SYNTAX                  InetPortNumber ( 1 .. 65535 )
         MAX-ACCESS              read-only
         STATUS                  current



Gibbons, et al.             Standards Track                    [Page 38]

RFC 4939                        iSNS MIB                       July 2007


         DESCRIPTION
     "The port number for the portal.  Whether the portal
      type is TCP or UDP is indicated by
      isnsDdPortalMemberPortType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdPortalMemberEntry 5 }

     isnsDdPortalMemberIsRegistered OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This indicates whether this member of the DD is currently
      registered in the iSNS Server instance.  Portals that are
      DD members do not need to be currently registered in
      order for them to be added to a DD."
         REFERENCE "RFC 4171, Section 6.11"
         ::= { isnsDdPortalMemberEntry 6 }

     --
     -- DD FC Port Membership Assignment
     --

     isnsDdFcPortMemberTable     OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsDdFcPortMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing FC Port World Wide Names (WWN) that
      have been assigned to specific DDs.  The number of rows
      in the table is dependent on the number of relationships
      between FC Ports and DDs registered in the iSNS."
         ::= { isnsDdInfo 4 }

     isnsDdFcPortMemberEntry     OBJECT-TYPE
         SYNTAX                  IsnsDdFcPortMemberEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The association of one FC Port with a Discovery Domain.
      Membership of an FC Port in a Discovery Domain is
      indicated by creating a row for the appropriate DD ID
      and FC Port WWN."
         INDEX   { isnsServerIndex,
                   isnsDdId,
                   isnsDdFcPortMemberPortName }
         ::= { isnsDdFcPortMemberTable 1 }



Gibbons, et al.             Standards Track                    [Page 39]

RFC 4939                        iSNS MIB                       July 2007



     IsnsDdFcPortMemberEntry ::=
         SEQUENCE {
            isnsDdFcPortMemberPortName FcNameIdOrZero,
            isnsDdFcPortMemberIsRegistered TruthValue
         }

     isnsDdFcPortMemberPortName  OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero (SIZE(8))
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The Port WWN of the FC Port that is a member of the DD.  The
      value MUST be a valid FC WWN, as per the FC-GS (Fibre Channel -
      Generic Services) standard.  This managed object, combined
      with the isnsServerIndex and isnsDdId are the key for this
      table.  A zero-length string is not a valid value for this
      managed object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsDdFcPortMemberEntry 1 }

     isnsDdFcPortMemberIsRegistered OBJECT-TYPE
         SYNTAX                  TruthValue
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This indicates whether this member of the DD is currently
      registered in the iSNS Server instance."
         REFERENCE "RFC 4171, Section 6.11"
         ::= { isnsDdFcPortMemberEntry 2 }

     --
     --  Registered Device Information
     --

     isnsReg    OBJECT IDENTIFIER ::= { isnsServerInfo 6 }

     isnsRegEntityInfo           OBJECT IDENTIFIER
                                    ::= { isnsReg    1 }

     --
     -- iSNS Registered Entities Table
     --

     isnsRegEntityTable          OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegEntityEntry
         MAX-ACCESS              not-accessible
         STATUS                  current



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RFC 4939                        iSNS MIB                       July 2007


         DESCRIPTION
     "A table containing registered Entity objects in each iSNS
      server instance.  The number of entries in the table is
      dependent on the number of Entity objects registered in the
      iSNS Server instances.  All Entity objects are registered in
      the iSNS using the iSNS protocol."
         ::= { isnsRegEntityInfo 1 }

     isnsRegEntityEntry          OBJECT-TYPE
         SYNTAX                  IsnsRegEntityEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one registered Entity object in an iSNS
      server instance."
         INDEX   { isnsServerIndex,
                   isnsRegEntityIndex }
         ::= { isnsRegEntityTable 1 }

     IsnsRegEntityEntry ::=
         SEQUENCE {
            isnsRegEntityIndex          IsnsEntityIndexIdOrZero,
            isnsRegEntityEID            SnmpAdminString,
            isnsRegEntityProtocol       Unsigned32,
            isnsRegEntityManagementAddressType
                                        InetAddressType,
            isnsRegEntityManagementAddress
                                        InetAddress,
            isnsRegEntityTimestamp      TimeStamp,
            isnsRegEntityVersionMin     Unsigned32,
            isnsRegEntityVersionMax     Unsigned32,
            isnsRegEntityRegistrationPeriod
                                        Unsigned32
                 }

     isnsRegEntityIndex          OBJECT-TYPE
         SYNTAX                  IsnsEntityIndexIdOrZero
                                        ( 1 .. 4294967295 )
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The Entity Index for this entity.  This index is assigned
      by the iSNS Server when an Entity is initially registered.
      The Entity Index can be used to represent a registered
      Entity object in situations where the Entity EID would
      be too long/unwieldy.  Zero is not a valid value for this
      object."
         REFERENCE "RFC 4171, Section 6"



Gibbons, et al.             Standards Track                    [Page 41]

RFC 4939                        iSNS MIB                       July 2007


         ::= { isnsRegEntityEntry 1 }

     isnsRegEntityEID            OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The EID is a unique registered Entity object identifier, as
      specified in the iSNS Specification.  This is the iSNS
      Entity Identifier for the registered Entity object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegEntityEntry 2 }

     isnsRegEntityProtocol       OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 1 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The block storage protocol supported by this entity, as
      defined in the iSNS Specification, Section 6.2.2.  The
      following values are initially assigned.

                Type Value       Entity Type
                ----------       -----------
                   1             No Protocol
                   2             iSCSI
                   3             iFCP
                 All Others      As assigned by IANA

      The full set of current Block Storage Protocols are
      specified in the IANA-maintained registry of assigned
      iSNS parameters.  Please refer to RFC 4171 and the iSNS
      parameters maintained at IANA."
         REFERENCE  "RFC 4171, Section 6.2.2, and IANA Assignments"
         ::= { isnsRegEntityEntry 3 }

     isnsRegEntityManagementAddressType OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsRegEntityManagementAddress.
      If the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value of
      this object is unknown(0), and the value of
      isnsRegEntityManagementAddress is the zero-length string."
         ::= { isnsRegEntityEntry 4 }



Gibbons, et al.             Standards Track                    [Page 42]

RFC 4939                        iSNS MIB                       July 2007



     isnsRegEntityManagementAddress OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSNS Management IP Address for the registered Entity
      object.  The format of this object is specified by
      isnsRegEntityManagementAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegEntityEntry 5 }

     isnsRegEntityTimestamp      OBJECT-TYPE
         SYNTAX                  TimeStamp
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSNS Entity Registration Timestamp for the registered
      Entity object.  This is the most recent date and time that
      the registered Entity object, and associated registered
      objects contained in the Entity, were registered or
      updated."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegEntityEntry 6 }

     isnsRegEntityVersionMin     OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 254 | 255 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The minimum version supported for the block storage protocol
      specified by isnsRegEntityProtocol.  The protocol version
      specified can be from 1 to 254.  A value of 255 is a wildcard
      value, indicating no minimum version value has been specified
      for this Entity.  Entity registrations with an
      isnsRegEntityProtocol of 'No Protocol' SHALL have an
      isnsRegEntityVersionMin value of 0."
         REFERENCE "RFC 4171, Section 6.2.5"
         ::= { isnsRegEntityEntry 7 }

     isnsRegEntityVersionMax     OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 254 | 255 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The maximum version supported for the block storage protocol
      specified by isnsRegEntityProtocol.  The protocol version
      specified can be from 1 to 254.  A value of 255 is a wildcard



Gibbons, et al.             Standards Track                    [Page 43]

RFC 4939                        iSNS MIB                       July 2007


      value, indicating no maximum version value has been specified
      for this Entity.  Entity registrations with an
      isnsRegEntityProtocol of 'No Protocol' SHALL have an
      isnsRegEntityVersionMax value of 0."
         REFERENCE "RFC 4171, Section 6.2.5"
         ::= { isnsRegEntityEntry 8 }

     isnsRegEntityRegistrationPeriod OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 4294967295 )
         UNITS                   "seconds"
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSNS Entity Status Inquiry (ESI) registration period,
      which indicates the maximum time, in seconds, that the
      registration will be maintained without receipt of an iSNSP
      message from the entity.  If the Registration Period is set
      to 0, then the Entity SHALL NOT be deregistered due to no
      contact with the entity."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegEntityEntry 9 }

     --
     -- Registered Objects Associated With an Entity Information
     --

     isnsRegEntityNumObjectsTable    OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsRegEntityNumObjectsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing information on the number of registered
      objects associated with a registered Entity in the iSNS
      server instance.  The number of entries in the table is
      dependent on the number of registered Entity objects in the
      iSNS."
         ::= { isnsRegEntityInfo 2 }

     isnsRegEntityNumObjectsEntry    OBJECT-TYPE
         SYNTAX                  IsnsRegEntityNumObjectsEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on the number of registered objects associated
      with a registered Entity object in an iSNS Server instance."
         INDEX   { isnsServerIndex,
                   isnsRegEntityIndex }



Gibbons, et al.             Standards Track                    [Page 44]

RFC 4939                        iSNS MIB                       July 2007


         ::= { isnsRegEntityNumObjectsTable 1 }

     IsnsRegEntityNumObjectsEntry ::=
         SEQUENCE {
            isnsRegEntityInfoNumPortals      Gauge32,
            isnsRegEntityInfoNumPortalGroups Gauge32,
            isnsRegEntityInfoNumIscsiNodes   Gauge32,
            isnsRegEntityInfoNumFcPorts      Gauge32,
            isnsRegEntityInfoNumFcNodes      Gauge32
                 }

     isnsRegEntityInfoNumPortals OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The number of Portals associated with this Entity."
         ::= { isnsRegEntityNumObjectsEntry 1 }

     isnsRegEntityInfoNumPortalGroups OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The number of Portal Groups associated with this Entity."
         ::= { isnsRegEntityNumObjectsEntry 2 }

     isnsRegEntityInfoNumIscsiNodes OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The number of iSCSI Storage Nodes associated with this
      Entity."
         ::= { isnsRegEntityNumObjectsEntry 3 }

     isnsRegEntityInfoNumFcPorts OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The number of FC Ports associated with this Entity."
         ::= { isnsRegEntityNumObjectsEntry 4 }

     isnsRegEntityInfoNumFcNodes OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current



Gibbons, et al.             Standards Track                    [Page 45]

RFC 4939                        iSNS MIB                       July 2007


         DESCRIPTION
     "The number of FC Nodes associated with this Entity."
         ::= { isnsRegEntityNumObjectsEntry 5 }

     --
     -- iSNS Registered Portal Information
     --

     isnsRegPortalInfo           OBJECT IDENTIFIER
                                    ::= { isnsReg  2 }

     --
     -- iSNS Registered Portal Table
     --

     isnsRegPortalTable          OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegPortalEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing the registered Portals in the iSNS.
      The number of entries is dependent on the number of
      Portals registered in the iSNS."
         ::= { isnsRegPortalInfo 1 }

     isnsRegPortalEntry          OBJECT-TYPE
         SYNTAX                  IsnsRegPortalEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one registered Entity Portal in the iSNS.
      The Entity Index is part of the table index to quickly
      find Portals that support a specific Entity."
         INDEX   { isnsServerIndex,
                   isnsRegEntityIndex,
                   isnsRegPortalPortalIndex }
         ::= { isnsRegPortalTable 1 }

     IsnsRegPortalEntry ::=
         SEQUENCE {
            isnsRegPortalPortalIndex    IsnsPortalIndexId,
            isnsRegPortalAddressType    InetAddressType,
            isnsRegPortalAddress        InetAddress,
            isnsRegPortalPortType       IsnsPortalPortTypeId,
            isnsRegPortalPort           InetPortNumber,
            isnsRegPortalSymbolicName   SnmpAdminString,
            isnsRegPortalEsiInterval    Unsigned32,
            isnsRegPortalEsiPortType    IsnsPortalPortTypeId,



Gibbons, et al.             Standards Track                    [Page 46]

RFC 4939                        iSNS MIB                       July 2007


            isnsRegPortalEsiPort        InetPortNumber,
            isnsRegPortalScnPortType    IsnsPortalPortTypeId,
            isnsRegPortalScnPort        InetPortNumber,
            isnsRegPortalSecurityInfo   IsnsPortalSecurityType
                 }

     isnsRegPortalPortalIndex    OBJECT-TYPE
         SYNTAX                  IsnsPortalIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The index for this Entity Portal."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 1 }

     isnsRegPortalAddressType    OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsRegPortalAddress.  If the
      address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsRegPortalAddress is the zero-length string."
         ::= { isnsRegPortalEntry 2 }

     isnsRegPortalAddress        OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Inet Address for this Portal as defined in the iSNS
      Specification, RFC 4171.  The format of this object is
      specified by isnsRegPortalAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 3 }

     isnsRegPortalPortType       OBJECT-TYPE
         SYNTAX                  IsnsPortalPortTypeId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port type for this Portal, either UDP or TCP, as
      defined in the iSNS Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 4 }



Gibbons, et al.             Standards Track                    [Page 47]

RFC 4939                        iSNS MIB                       July 2007



     isnsRegPortalPort           OBJECT-TYPE
         SYNTAX                  InetPortNumber ( 1 .. 65535 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port number for this Portal as defined in the
      iSNS Specification, RFC 4171.  Whether the Portal type
      is TCP or UDP is indicated by isnsRegPortalPortType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 5 }

     isnsRegPortalSymbolicName   OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Symbolic Name for this Portal as defined in the iSNS
      Specification, RFC 4171.  If not provided, then the string
      SHALL be zero-length."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 6 }

     isnsRegPortalEsiInterval    OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 65535 )
         UNITS                   "seconds"
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Entity Status Inquiry (ESI) Interval for this Portal
      as defined in the iSNS Specification, RFC 4171.  A value of
      0 indicates that ESI monitoring has not been configured for
      this Portal."
         REFERENCE "RFC 4171, Section 6.3.4"
         ::= { isnsRegPortalEntry 7 }

     isnsRegPortalEsiPortType    OBJECT-TYPE
         SYNTAX                  IsnsPortalPortTypeId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port type for the ESI Port, either UDP or TCP, as
      defined in the iSNS Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 8 }

     isnsRegPortalEsiPort        OBJECT-TYPE
         SYNTAX                  InetPortNumber



Gibbons, et al.             Standards Track                    [Page 48]

RFC 4939                        iSNS MIB                       July 2007


         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The TCP or UDP port number used for ESI monitoring.  Whether
      the port type is TCP or UDP is indicated by
      isnsRegPortalEsiPortType.  A value of 0 indicates that ESI
      monitoring is not enabled for this Portal."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 9 }

     isnsRegPortalScnPortType    OBJECT-TYPE
         SYNTAX                  IsnsPortalPortTypeId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port type for the SCN Port, either UDP or TCP, as
      defined in the iSNS Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 10 }

     isnsRegPortalScnPort        OBJECT-TYPE
         SYNTAX                  InetPortNumber
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The TCP or UDP port used to receive SCN messages from the
      iSNS Server.  Whether the port type is TCP or UDP is
      indicated by isnsRegPortalScnPortType.  A value of 0
      indicates that SCN message receipt is not enabled for this
      Portal."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPortalEntry 11 }

     isnsRegPortalSecurityInfo   OBJECT-TYPE
         SYNTAX                  IsnsPortalSecurityType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "Indicates security attribute settings for the Portal as
      registered in the iSNS server.  The bit for bitmapVALID must
      be set in order for this attribute to contain valid
      information.  Setting a bit to 1 indicates the
      feature is enabled."
         REFERENCE "RFC 4171, Section 6.3.9"
         ::= { isnsRegPortalEntry 12 }






Gibbons, et al.             Standards Track                    [Page 49]

RFC 4939                        iSNS MIB                       July 2007


     --
     -- iSNS Registered Portal Group Information
     --

     isnsRegPortalGroupInfo      OBJECT IDENTIFIER
                                    ::= { isnsReg  3 }

     --
     -- iSNS Registered Portal Group (PG) Table
     --

     isnsRegPgTable              OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegPgEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing the registered Portal Groups (PGs) in
      the iSNS Server instance.  The number of entries is
      dependent on the number of Portal Groups registered in
      the iSNS."
         ::= { isnsRegPortalGroupInfo 1 }

     isnsRegPgEntry              OBJECT-TYPE
         SYNTAX                  IsnsRegPgEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one registered Portal Group in the iSNS
      server instance.  The Entity Index is part of the table
      index to quickly find Portal Groups that support Portals
      and iSCSI Storage Nodes in a specific Entity."
         INDEX   { isnsServerIndex,
                   isnsRegEntityIndex,
                   isnsRegPgIndex }
         ::= { isnsRegPgTable 1 }

     IsnsRegPgEntry ::=
         SEQUENCE {
            isnsRegPgIndex              IsnsPortalGroupIndexId,
            isnsRegPgIscsiNodeIndex     IsnsNodeIndexId,
            isnsRegPgIscsiName          SnmpAdminString,
            isnsRegPgPortalPortalIndex  IsnsPortalIndexId,
            isnsRegPgPortalAddressType  InetAddressType,
            isnsRegPgPortalAddress      InetAddress,
            isnsRegPgPortalPortType     IsnsPortalPortTypeId,
            isnsRegPgPortalPort         InetPortNumber,
            isnsRegPgPGT                IsnsPortalGroupTagIdOrNull
                  }



Gibbons, et al.             Standards Track                    [Page 50]

RFC 4939                        iSNS MIB                       July 2007



     isnsRegPgIndex              OBJECT-TYPE
         SYNTAX                  IsnsPortalGroupIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The PG Index for this node.  The index is created by the
      iSNS Server instance for uniquely identifying registered
      objects.  The PG object is registered at the same time a
      Portal or Storage Node is registered using the iSNS
      protocol."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPgEntry 1 }

     isnsRegPgIscsiNodeIndex     OBJECT-TYPE
         SYNTAX                  IsnsNodeIndexId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The index for the iSCSI Node associated with this PG.
      This index can be used to reference the
      isnsRegIscsiNodeTable."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPgEntry 2 }

     isnsRegPgIscsiName          OBJECT-TYPE
         SYNTAX                  SnmpAdminString (SIZE (0..223))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSCSI Name of the initiator or target associated with
      the storage node.  The iSCSI Name cannot be longer than
      223 bytes.  The iSNS Server internal maximum size is 224
      bytes to provide NULL termination.  This is the PG iSCSI
      Name that uniquely identifies the iSCSI Storage Node that
      is associated with this PG."
         ::= { isnsRegPgEntry 3 }

     isnsRegPgPortalPortalIndex  OBJECT-TYPE
         SYNTAX                  IsnsPortalIndexId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Portal Index for the Portal associated with this PG.
      This index can be used to reference the isnsRegPortalTable."
         ::= { isnsRegPgEntry 4 }

     isnsRegPgPortalAddressType  OBJECT-TYPE



Gibbons, et al.             Standards Track                    [Page 51]

RFC 4939                        iSNS MIB                       July 2007


         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsRegPgPortalAddress.  If
      the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsRegPgPortalAddress is the zero-length string."
         ::= { isnsRegPgEntry 5 }

     isnsRegPgPortalAddress      OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Inet Address for the Portal that is associated with
      the PG.  The format of this object is specified by
      isnsRegPgPortalAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPgEntry 6 }

     isnsRegPgPortalPortType     OBJECT-TYPE
         SYNTAX                  IsnsPortalPortTypeId
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port type, either UDP or TCP, for the Portal that
      is associated with this registered PG object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPgEntry 7 }

     isnsRegPgPortalPort         OBJECT-TYPE
         SYNTAX                  InetPortNumber ( 1 .. 65535 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The port number for the Portal that is associated with
      this registered PG object.  Whether the Portal type is
      TCP or UDP is indicated by isnsRegPgPortalPortType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegPgEntry 8 }

     isnsRegPgPGT                OBJECT-TYPE
         SYNTAX                  IsnsPortalGroupTagIdOrNull
         MAX-ACCESS              read-only
         STATUS                  current



Gibbons, et al.             Standards Track                    [Page 52]

RFC 4939                        iSNS MIB                       July 2007


         DESCRIPTION
     "The Portal Group Tag (PGT) for the registered iSCSI Portal
      Group object in an iSNS Server instance.  This indicates
      the tag value that the Portal uses for access to the iSCSI
      Storage Node.  The PGT is used for coordinated access
      between multiple Portals, as described in the iSCSI
      Specification, RFC 3720.  A PGT with no association is a
      NULL value.  The value of -1 indicates a NULL value."
         REFERENCE "RFC 4171, Section 6, and RFC 3720"
         ::= { isnsRegPgEntry 9 }

     --
     -- iSNS Registered iSCSI Node Information
     --

     isnsRegIscsiNodeInfo  OBJECT IDENTIFIER ::= { isnsReg  4 }

     --
     -- iSNS Registered iSCSI Node Table
     --

     isnsRegIscsiNodeTable       OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegIscsiNodeEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing the registered iSCSI Nodes in the iSNS
      server instance.  Storage devices register using the iSNS
      protocol.  While a device cannot be registered in an iSNS
      server using SNMP, an entry can be deleted in order to
      remove 'stale' entries.  The number of entries is related
      to the number of iSCSI nodes registered in the iSNS."
         ::= { isnsRegIscsiNodeInfo 1 }

     isnsRegIscsiNodeEntry       OBJECT-TYPE
         SYNTAX                  IsnsRegIscsiNodeEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one iSCSI node that has been registered in
      the iSNS Server instance.  New rows cannot be added using
      SNMP."
         INDEX { isnsServerIndex,
                 isnsRegEntityIndex,
                 isnsRegIscsiNodeIndex }
         ::= { isnsRegIscsiNodeTable 1 }

     IsnsRegIscsiNodeEntry ::= SEQUENCE {



Gibbons, et al.             Standards Track                    [Page 53]

RFC 4939                        iSNS MIB                       July 2007


         isnsRegIscsiNodeIndex          IsnsNodeIndexId,
         isnsRegIscsiNodeName           SnmpAdminString,
         isnsRegIscsiNodeType           IsnsIscsiNodeType,
         isnsRegIscsiNodeAlias          SnmpAdminString,
         isnsRegIscsiNodeScnTypes       IsnsIscsiScnType,
         isnsRegIscsiNodeWwnToken       FcNameIdOrZero,
         isnsRegIscsiNodeAuthMethod     SnmpAdminString
                                      }

     isnsRegIscsiNodeIndex       OBJECT-TYPE
         SYNTAX                  IsnsNodeIndexId
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The index for this iSCSI node."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegIscsiNodeEntry 1 }

     isnsRegIscsiNodeName        OBJECT-TYPE
         SYNTAX                  SnmpAdminString (SIZE (0..223))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iSCSI Name of the initiator or target associated with
      the storage node.  The iSCSI Name cannot be longer than
      223 bytes.  The iSNS Server internal maximum size is 224
      bytes to provide NULL termination.  This is the iSCSI Name
      that uniquely identifies the initiator, initiator/target,
      target, or control node in the network."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegIscsiNodeEntry 2 }

     isnsRegIscsiNodeType        OBJECT-TYPE
         SYNTAX                  IsnsIscsiNodeType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Node Type defining the functions of this iSCSI node."
         ::= { isnsRegIscsiNodeEntry 3 }

     isnsRegIscsiNodeAlias       OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Alias name of the iSCSI node.  This is a variable-length
      text-based description of up to 255 bytes."
         REFERENCE "RFC 4171, Section 6"



Gibbons, et al.             Standards Track                    [Page 54]

RFC 4939                        iSNS MIB                       July 2007


         ::= { isnsRegIscsiNodeEntry 4 }

     isnsRegIscsiNodeScnTypes    OBJECT-TYPE
         SYNTAX                  IsnsIscsiScnType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The State Change Notification (SCN) types enabled for this
      iSCSI node."
         REFERENCE "RFC 4171, Section 6.4.4"
         ::= { isnsRegIscsiNodeEntry 5 }

     isnsRegIscsiNodeWwnToken    OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This contains a globally unique 64-bit integer value that
      can be used to represent the World Wide Node Name of the
      iSCSI device in a Fibre Channel fabric.  This identifier is
      used during the device registration process, and MUST
      conform to the requirements in RFC 4171.  A zero-length string
      for this managed object indicates that a Node WWN token has
      not been assigned."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegIscsiNodeEntry 6 }

     isnsRegIscsiNodeAuthMethod  OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This attribute contains a null-terminated string containing
      UTF-8 text listing the iSCSI authentication methods enabled
      for this iSCSI Node, in order of preference.  The text
      values used to identify iSCSI authentication methods are
      embedded in this string attribute and delineated by a
      comma.  The text values are identical to those found in
      RFC 3720 - iSCSI.  Additional vendor-specific text values
      are also possible."
         REFERENCE "RFC 4171, Section 6, and RFC 3720"
         ::= { isnsRegIscsiNodeEntry 7 }

     --
     -- iSNS Registered FC Node Information
     --

     isnsRegFcNodeInfo     OBJECT IDENTIFIER ::= { isnsReg  5 }



Gibbons, et al.             Standards Track                    [Page 55]

RFC 4939                        iSNS MIB                       July 2007



     --
     -- iSNS Registered FC Node Table
     --

     isnsRegFcNodeTable          OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegFcNodeEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing the registered FC Nodes in the iSNS.
      This supports iFCP as defined in RFC 4172."
         ::= { isnsRegFcNodeInfo 1 }

     isnsRegFcNodeEntry          OBJECT-TYPE
         SYNTAX                  IsnsRegFcNodeEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one registered FC node that has been
      registered in the iSNS."
         INDEX { isnsServerIndex,
                  isnsRegFcNodeWwnn }
         ::= { isnsRegFcNodeTable 1 }

     IsnsRegFcNodeEntry ::= SEQUENCE {
         isnsRegFcNodeWwnn           FcNameIdOrZero,
         isnsRegFcNodeSymbolicName   SnmpAdminString,
         isnsRegFcNodeAddressType    InetAddressType,
         isnsRegFcNodeAddress        InetAddress,
         isnsRegFcNodeIPA            OCTET STRING,
         isnsRegFcNodeProxyIscsiName SnmpAdminString,
         isnsRegFcNodeNumFcPorts     Gauge32
                                     }

     isnsRegFcNodeWwnn           OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero (SIZE(8))
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The FC Node World Wide Node Name as defined in the iSNS
      Specification, RFC 4171.  A zero-length string is not valid
      for this managed object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcNodeEntry 1 }

     isnsRegFcNodeSymbolicName   OBJECT-TYPE
         SYNTAX                  SnmpAdminString



Gibbons, et al.             Standards Track                    [Page 56]

RFC 4939                        iSNS MIB                       July 2007


         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Node Symbolic Name of the node as defined in the
      iSNS Specification, RFC 4171.  This is a variable-length
      text-based description.  If not provided, then the string
      SHALL be zero-length."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcNodeEntry 2 }

     isnsRegFcNodeAddressType    OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsRegFcNodeAddress.  If
      the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsRegFcNodeAddress is the zero-length string."
         ::= { isnsRegFcNodeEntry 3 }

     isnsRegFcNodeAddress        OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Node Inet address of the node as defined in the
      iSNS Specification, RFC 4171.  The format of this object is
      specified by isnsRegFcNodeAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcNodeEntry 4 }

     isnsRegFcNodeIPA            OBJECT-TYPE
         SYNTAX                  OCTET STRING (SIZE(8))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "This managed object identifies the FC Initial Process
      Associator of the node as defined in the iSNS
      Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcNodeEntry 5 }

     isnsRegFcNodeProxyIscsiName OBJECT-TYPE
         SYNTAX                  SnmpAdminString (SIZE (0..223))
         MAX-ACCESS              read-only



Gibbons, et al.             Standards Track                    [Page 57]

RFC 4939                        iSNS MIB                       July 2007


         STATUS                  current
         DESCRIPTION
     "The iSCSI Name used to represent the FC Node in the IP
      network.  It is used as a pointer to the matching iSCSI Name
      entry in the iSNS Server.  Its value is usually registered
      by an FC-iSCSI gateway connecting the IP network to the
      fabric containing the FC device."
         REFERENCE  "RFC 4171, Section 6"
         ::= { isnsRegFcNodeEntry 6 }

     isnsRegFcNodeNumFcPorts     OBJECT-TYPE
         SYNTAX                  Gauge32 ( 0 .. 4294967295 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The number of FC Ports associated with this FC Node."
         ::= { isnsRegFcNodeEntry 7 }

     --
     -- iSNS Registered FC Port Table
     --

     isnsRegFcPortTable          OBJECT-TYPE
         SYNTAX                  SEQUENCE OF IsnsRegFcPortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on registered FC N_Ports in the iSNS.  FC Ports
      are associated with registered FC Nodes.  This supports
      iFCP as defined in RFC 4172."
         REFERENCE "RFC 4172, Section 4"
         ::= { isnsRegFcNodeInfo 2 }

     isnsRegFcPortEntry          OBJECT-TYPE
         SYNTAX                   IsnsRegFcPortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one FC Port that has been registered in
      iSNS."
         REFERENCE "RFC 4172, Section 4"
         INDEX { isnsServerIndex,
                 isnsRegEntityIndex,
                 isnsRegFcPortWwpn }
         ::= { isnsRegFcPortTable 1 }

     IsnsRegFcPortEntry ::= SEQUENCE {
         isnsRegFcPortWwpn              FcNameIdOrZero,



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RFC 4939                        iSNS MIB                       July 2007


         isnsRegFcPortID                FcAddressIdOrZero,
         isnsRegFcPortType              Unsigned32,
         isnsRegFcPortSymbolicName      SnmpAdminString,
         isnsRegFcPortFabricPortWwn     FcNameIdOrZero,
         isnsRegFcPortHA                FcAddressIdOrZero,
         isnsRegFcPortAddressType       InetAddressType,
         isnsRegFcPortAddress           InetAddress,
         isnsRegFcPortFcCos             IsnsFcClassOfServiceType,
         isnsRegFcPortFc4Types          OCTET STRING,
         isnsRegFcPortFc4Descr          SnmpAdminString,
         isnsRegFcPortFc4Features       OCTET STRING,
         isnsRegFcPortScnTypes          IsnsIfcpScnType,
         isnsRegFcPortRole              IsnsFcPortRoleType,
         isnsRegFcPortFcNodeWwnn        FcNameIdOrZero,
         isnsRegFcPortPpnWwn            FcNameIdOrZero
                                     }

     isnsRegFcPortWwpn           OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero (SIZE(8))
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "The FC Port's World Wide Port Name as defined in the iSNS
      Specification, RFC 4171.  A zero-length string is not valid
      for this managed object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 1 }

     isnsRegFcPortID             OBJECT-TYPE
         SYNTAX                  FcAddressIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port's Port ID as defined in the iSNS Specification,
      RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 2 }

     isnsRegFcPortType           OBJECT-TYPE
         SYNTAX                  Unsigned32 ( 0 .. 65535 )
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port Type as defined in the iSNS Specification,
      RFC 4171, and the Fibre Channel Generic Services
      Specification.  Current values are as shown below:
             unknown      (0),
             nPort        (1),



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RFC 4939                        iSNS MIB                       July 2007


             nlPort       (2),
             fNlPort      (3),
             fPort        (129),     -- x'81'
             flPort       (130),     -- x'82'
             ePort        (132),     -- x'84'
             bPort        (133),     -- x'85'
             mFcpPort     (65297),   -- x'FF11'
             iFcpPort     (65298),   -- x'FF12'
             unknownEnd   (65535)
      The future assignment of any additional values will be
      documented in a revision of RFC 4171."
         REFERENCE "RFC 4171, Section 6.6.3"
         ::= { isnsRegFcPortEntry 3 }

     isnsRegFcPortSymbolicName OBJECT-TYPE
         SYNTAX                SnmpAdminString
         MAX-ACCESS            read-only
         STATUS                current
         DESCRIPTION
     "The FC Port Symbolic Name as defined in the iSNS
      Specification, RFC 4171.  If not provided, then the
      string SHALL be zero-length."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 4 }

     isnsRegFcPortFabricPortWwn  OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Fabric Port WWN for this entry as defined in the iSNS
      Specification, RFC 4171.  A zero-length string for this
      managed object indicates that the Fabric Port WWN is not
      known, or has not yet been registered with the iSNS Server."
         REFERENCE "RFC 4171, Section 6"
        ::= { isnsRegFcPortEntry 5 }

     isnsRegFcPortHA             OBJECT-TYPE
         SYNTAX                  FcAddressIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port Hard Address as defined in the iSNS
      Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 6 }

     isnsRegFcPortAddressType    OBJECT-TYPE



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         SYNTAX                  InetAddressType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsRegFcPortAddress.  If
      the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsRegFcPortAddress is the zero-length string."
         ::= { isnsRegFcPortEntry 7 }

     isnsRegFcPortAddress        OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port Inet Address as defined in the iSNS
      Specification, RFC 4171.  The format of this object is
      specified by isnsRegFcPortAddressType."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 8 }

     isnsRegFcPortFcCos          OBJECT-TYPE
         SYNTAX                  IsnsFcClassOfServiceType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port Class of Service as defined in the iSNS
      Specification, RFC 4171."
         REFERENCE  "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 9 }

     isnsRegFcPortFc4Types       OBJECT-TYPE
         SYNTAX                  OCTET STRING (SIZE (32))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port FC-4 Types as defined in the iSNS
      Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6.6.9"
         ::= { isnsRegFcPortEntry 10 }

     isnsRegFcPortFc4Descr       OBJECT-TYPE
         SYNTAX                  SnmpAdminString (SIZE(4..255))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION



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RFC 4939                        iSNS MIB                       July 2007


     "The FC Port FC-4 Descriptor as defined in the iSNS
      Specification, RFC 4171.  The FC-4 Descriptor cannot be
      longer than 255 bytes.  The iSNS Server internal maximum
      size is 256 bytes to provide NULL termination."
          REFERENCE "RFC 4171, Section 6.6.10"
        ::= { isnsRegFcPortEntry 11 }

     isnsRegFcPortFc4Features    OBJECT-TYPE
         SYNTAX                  OCTET STRING (SIZE (128))
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port FC-4 Features as defined in the iSNS
      Specification, RFC 4171."
         REFERENCE "RFC 4171, Section 6.6.11"
         ::= { isnsRegFcPortEntry 12 }

     isnsRegFcPortScnTypes       OBJECT-TYPE
         SYNTAX                  IsnsIfcpScnType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The iFCP State Change Notification (SCN) types enabled for
      the registered object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 13 }

     isnsRegFcPortRole           OBJECT-TYPE
         SYNTAX                  IsnsFcPortRoleType
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Port Role defines the role of the registered
      object."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 14 }

     isnsRegFcPortFcNodeWwnn     OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The FC Node World Wide Node Name that is associated with
      this FC Port as defined in the iSNS Specification, RFC 4171.
      This managed object may contain a zero-length string prior
      to a device registering this value with the iSNS Server."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 15 }



Gibbons, et al.             Standards Track                    [Page 62]

RFC 4939                        iSNS MIB                       July 2007



     isnsRegFcPortPpnWwn         OBJECT-TYPE
         SYNTAX                  FcNameIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Permanent Port Name (PPN) attribute is the FC Port Name WWPN
      of the first Storage Node registered in the iSNS Database
      that is associated with a particular FC Device (FC Node).
      The PPN of all subsequent Storage Node registrations that
      are associated with that FC Device (FC Node) SHALL be set
      to the FC Port Name WWPN of the first Storage Node, as
      defined in the iSNS Specification, RFC 4171.  This managed
      object may contain a zero-length string prior to a device
      registering this value with the iSNS Server."
         REFERENCE "RFC 4171, Section 6"
         ::= { isnsRegFcPortEntry 16 }

     --
     --  Mapping from FC Node to Entity - FC Port
     --

     isnsRegFcNodePortTable      OBJECT-TYPE
         SYNTAX                  SEQUENCE OF
                                   IsnsRegFcNodePortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "A table containing the mapping of a registered FC Node and
      associated registered iFCP Port to the supporting registered
      Entity object in an iSNS Server instance."
         ::= { isnsRegFcNodeInfo 3 }

     isnsRegFcNodePortEntry      OBJECT-TYPE
         SYNTAX                  IsnsRegFcNodePortEntry
         MAX-ACCESS              not-accessible
         STATUS                  current
         DESCRIPTION
     "Information on one mapping from an FC Node and iFCP Port to
      an Entity object registered in an iSNS."
         INDEX { isnsServerIndex,
                 isnsRegFcNodeWwnn,
                 isnsRegFcPortWwpn }
         ::= { isnsRegFcNodePortTable 1 }

     IsnsRegFcNodePortEntry ::= SEQUENCE {
             isnsRegFcNodePortEntityIndex IsnsEntityIndexIdOrZero
                                         }



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RFC 4939                        iSNS MIB                       July 2007



     isnsRegFcNodePortEntityIndex OBJECT-TYPE
         SYNTAX                  IsnsEntityIndexIdOrZero
         MAX-ACCESS              read-only
         STATUS                  current
         DESCRIPTION
     "The Entity Index for the registered Entity object
      associated with the FC Port and FC Node.  This managed
      object may contain the value of zero prior to a device
      registering this value with the iSNS Server."
         ::= { isnsRegFcNodePortEntry 1 }

     --
     -- iSNS Notifications Information -----------------
     --

     isnsNotificationsInfo        OBJECT IDENTIFIER
                                       ::= { isnsObjects 2 }

     isnsInstanceInfo            OBJECT-TYPE
         SYNTAX                  SnmpAdminString
         MAX-ACCESS              accessible-for-notify
         STATUS                  current
         DESCRIPTION
     "Textual information about the notification event and the
      iSNS Server generating the notification.  An example is:
      iSNS Server Started."
         ::= { isnsNotificationsInfo 1 }

     isnsAddressNotificationType OBJECT-TYPE
         SYNTAX                  InetAddressType
         MAX-ACCESS              accessible-for-notify
         STATUS                  current
         DESCRIPTION
     "The type of Inet address in isnsAddressNotification.  If
      the address is specified, then it must be a valid unicast
      address and the value of this object must be ipv4(1),
      ipv6(2), ipv4z(3), or ipv6z(4); otherwise, the value
      of this object is unknown(0), and the value of
      isnsAddressNotification is the zero-length string."
         ::= { isnsNotificationsInfo 2 }

     isnsAddressNotification     OBJECT-TYPE
         SYNTAX                  InetAddress
         MAX-ACCESS              accessible-for-notify
         STATUS                  current
         DESCRIPTION
     "Identifies the IP address of the iSNS Server.  The format of



Gibbons, et al.             Standards Track                    [Page 64]

RFC 4939                        iSNS MIB                       July 2007


      this object is specified by isnsAddressNotificationType.
      The IP address will always be specified in the notification
      unless an error causes the IP address to not be known."
         ::= { isnsNotificationsInfo 3 }

     isnsTcpPortNotification     OBJECT-TYPE
         SYNTAX                  InetPortNumber
         MAX-ACCESS              accessible-for-notify
         STATUS                  current
         DESCRIPTION
     "Indicates the TCP port the iSNS Server is using,
      or 0 if TCP-based registrations are not supported."
         ::= { isnsNotificationsInfo 4 }

     isnsUdpPortNotification     OBJECT-TYPE
         SYNTAX                  InetPortNumber
         MAX-ACCESS              accessible-for-notify
         STATUS                  current
         DESCRIPTION
     "Indicates the UDP port the iSNS Server is using,
      or 0 if UDP-based registrations are not supported."
         ::= { isnsNotificationsInfo 5 }

     --
     -- iSNS Notification Block -----------------
     --

     isnsServerStart             NOTIFICATION-TYPE
         OBJECTS {
             isnsInstanceInfo,
             isnsAddressNotificationType,
             isnsAddressNotification,
             isnsTcpPortNotification,
             isnsUdpPortNotification
                 }
         STATUS                  current
         DESCRIPTION
     "This notification is sent when an iSNS Server begins
      operation.  The notification provides the following:
             isnsInstanceInfo : iSNS Server textual information
             isnsAddressTypeNotification : iSNS Server address type
             isnsAddressNotification : iSNS Server address
             isnsTcpPortNotification : iSNS Server TCP Port
             isnsUdpPortNotification : iSNS Server UDP Port
     "
         ::= { isnsNotifications 1 }

     isnsServerShutdown          NOTIFICATION-TYPE



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RFC 4939                        iSNS MIB                       July 2007


         OBJECTS {
             isnsInstanceInfo,
             isnsAddressNotificationType,
             isnsAddressNotification,
             isnsTcpPortNotification,
             isnsUdpPortNotification
                 }
         STATUS                  current
         DESCRIPTION
     "This notification is sent when an iSNS Server is
      shutdown.  The notification provides the following:
             isnsInstanceInfo : iSNS Server textual information
             isnsAddressTypeNotification : iSNS Server address type
             isnsAddressNotification : iSNS Server address
             isnsTcpPortNotification : iSNS Server TCP Port
             isnsUdpPortNotification : iSNS Server UDP Port
     "
         ::= { isnsNotifications 2 }

     ------------------------------------------------------------
     --
     -- Compliance Information
     --

     isnsCompliances OBJECT IDENTIFIER ::= { isnsConformance 1 }

     isnsIscsiServerCompliance MODULE-COMPLIANCE
         STATUS                  current
         DESCRIPTION
     "Initial compliance statement for an iSNS Server
      providing support to iSCSI clients."
         MODULE       -- this module
         MANDATORY-GROUPS {
             isnsServerAttributesGroup,
             isnsServerIscsiControlNodeGroup,
             isnsServerIscsiDdsDdObjGroup,
             isnsServerRegIscsiObjGroup,
             isnsServerNumObjectsGroup,
             isnsNotificationsObjGroup,
             isnsServerNotificationGroup
                          }
         OBJECT isnsServerDiscoveryMcGroupType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."




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RFC 4939                        iSNS MIB                       July 2007


         OBJECT isnsServerDiscoveryMcGroupAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."

         OBJECT isnsDdPortalMemberAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."

         OBJECT isnsDdPortalMemberAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."

         OBJECT isnsRegEntityManagementAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."

         OBJECT isnsRegEntityManagementAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."

         OBJECT isnsRegPortalAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."

         OBJECT isnsRegPortalAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."

         OBJECT isnsRegPgPortalAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }



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         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."

         OBJECT isnsRegPgPortalAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."

         OBJECT isnsAddressNotificationType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, ipv6z
      is required."

         OBJECT isnsAddressNotification
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z
      and their related SIZE need to be supported."
         ::= { isnsCompliances 1 }

     isnsIfcpServerCompliance MODULE-COMPLIANCE
         STATUS                  current
         DESCRIPTION
     "Initial compliance statement for an iSNS Server
      providing support to iFCP Clients."
         MODULE       -- this module
         MANDATORY-GROUPS {
             isnsServerAttributesGroup,
             isnsServerIfcpPortControlNodeGroup,
             isnsServerIfcpDdsDdObjGroup,
             isnsServerRegIfcpObjGroup,
             isnsServerNumObjectsGroup,
             isnsNotificationsObjGroup,
             isnsServerNotificationGroup
                          }
         OBJECT isnsServerDiscoveryMcGroupType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsServerDiscoveryMcGroupAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))



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         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsDdPortalMemberAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsDdPortalMemberAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsRegEntityManagementAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsRegEntityManagementAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsRegPortalAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsRegPortalAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsRegFcNodeAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z



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      is required."

         OBJECT isnsRegFcNodeAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsRegFcPortAddressType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsRegFcPortAddress
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."

         OBJECT isnsAddressNotificationType
         SYNTAX InetAddressType { unknown(0), ipv4(1), ipv6(2),
                                    ipv4z(3), ipv6z(4) }
         DESCRIPTION
     "Only support for unknown, ipv4, ipv6, ipv4z, and ipv6z
      is required."

         OBJECT isnsAddressNotification
         SYNTAX InetAddress (SIZE (0 | 4 | 8 | 16 | 20 ))
         DESCRIPTION
     "Only addresses for unknown, ipv4, ipv6, ipv4z, ipv6z,
      and their related SIZE need to be supported."
         ::= { isnsCompliances 2 }

  isnsGroups OBJECT IDENTIFIER ::= { isnsConformance 2 }

     isnsServerAttributesGroup      OBJECT-GROUP
         OBJECTS {
            isnsServerName,
            isnsServerIsnsVersion,
            isnsServerVendorInfo,
            isnsServerPhysicalIndex,
            isnsServerTcpPort,
            isnsServerUdpPort,
            isnsServerDiscontinuityTime,
            isnsServerRole,
            isnsServerDiscoveryMethodsEnabled,



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            isnsServerDiscoveryMcGroupType,
            isnsServerDiscoveryMcGroupAddress,
            isnsServerEsiNonResponseThreshold,
            isnsServerEnableControlNodeMgtScn,
            isnsServerDefaultDdDdsStatus,
            isnsServerUpdateDdDdsSupported,
            isnsServerUpdateDdDdsEnabled
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server attributes."
            ::= { isnsGroups 1 }

     isnsServerNumObjectsGroup      OBJECT-GROUP
         OBJECTS {
            isnsNumDds,
            isnsNumDd,
            isnsNumEntities,
            isnsNumPortals,
            isnsNumPortalGroups,
            isnsNumIscsiNodes,
            isnsNumFcPorts,
            isnsNumFcNodes,
            isnsRegEntityInfoNumPortals,
            isnsRegEntityInfoNumPortalGroups,
            isnsRegEntityInfoNumIscsiNodes,
            isnsRegEntityInfoNumFcPorts,
            isnsRegEntityInfoNumFcNodes
                 }
         STATUS                  current
         DESCRIPTION
     "Managed objects indicating the number of registered objects
      in an iSNS Server or the number of registered objects
      associated with a registered Entity.  These managed objects
      are optional to implement."
            ::= { isnsGroups 2 }

     isnsServerIscsiControlNodeGroup    OBJECT-GROUP
         OBJECTS {
            isnsControlNodeIscsiNodeName,
            isnsControlNodeIscsiIsRegistered,
            isnsControlNodeIscsiRcvMgtSCN
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server iSCSI control node managed objects."
            ::= { isnsGroups 3 }




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     isnsServerIfcpPortControlNodeGroup   OBJECT-GROUP
         OBJECTS {
            isnsControlNodeFcPortIsRegistered,
            isnsControlNodeFcPortRcvMgtSCN
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server iFCP Port control node managed objects."
            ::= { isnsGroups 4 }

     isnsServerIscsiDdsDdObjGroup   OBJECT-GROUP
         OBJECTS {
            isnsDdsSymbolicName,
            isnsDdsStatus,
            isnsDdsMemberSymbolicName,
            isnsDdSymbolicName,
            isnsDdFeatures,
            isnsDdIscsiMemberName,
            isnsDdIscsiMemberIsRegistered,
            isnsDdPortalMemberAddressType,
            isnsDdPortalMemberAddress,
            isnsDdPortalMemberPortType,
            isnsDdPortalMemberPort,
            isnsDdPortalMemberIsRegistered
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server DDS and DD managed objects for iSCSI."
            ::= { isnsGroups 5 }

     isnsServerIfcpDdsDdObjGroup    OBJECT-GROUP
         OBJECTS {
            isnsDdsSymbolicName,
            isnsDdsStatus,
            isnsDdSymbolicName,
            isnsDdFeatures,
            isnsDdPortalMemberAddressType,
            isnsDdPortalMemberAddress,
            isnsDdPortalMemberPortType,
            isnsDdPortalMemberPort,
            isnsDdPortalMemberIsRegistered,
            isnsDdFcPortMemberIsRegistered
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server DDS and DD managed objects for iFCP."
            ::= { isnsGroups 6 }




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     isnsServerRegIscsiObjGroup   OBJECT-GROUP
         OBJECTS {
            isnsRegEntityEID,
            isnsRegEntityProtocol,
            isnsRegEntityManagementAddressType,
            isnsRegEntityManagementAddress,
            isnsRegEntityTimestamp,
            isnsRegEntityVersionMin,
            isnsRegEntityVersionMax,
            isnsRegEntityRegistrationPeriod,
            isnsRegEntityInfoNumPortals,
            isnsRegEntityInfoNumPortalGroups,
            isnsRegEntityInfoNumIscsiNodes,
            isnsRegEntityInfoNumFcPorts,
            isnsRegEntityInfoNumFcNodes,
            isnsRegPortalAddressType,
            isnsRegPortalAddress,
            isnsRegPortalPortType,
            isnsRegPortalPort,
            isnsRegPortalSymbolicName,
            isnsRegPortalEsiInterval,
            isnsRegPortalEsiPortType,
            isnsRegPortalEsiPort,
            isnsRegPortalScnPortType,
            isnsRegPortalScnPort,
            isnsRegPortalSecurityInfo,
            isnsRegPgIscsiNodeIndex,
            isnsRegPgIscsiName,
            isnsRegPgPortalPortalIndex,
            isnsRegPgPortalAddressType,
            isnsRegPgPortalAddress,
            isnsRegPgPortalPortType,
            isnsRegPgPortalPort,
            isnsRegPgPGT,
            isnsRegIscsiNodeName,
            isnsRegIscsiNodeType,
            isnsRegIscsiNodeAlias,
            isnsRegIscsiNodeScnTypes,
            isnsRegIscsiNodeWwnToken,
            isnsRegIscsiNodeAuthMethod
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Server registered iSCSI managed objects."
            ::= { isnsGroups 7 }

     isnsServerRegIfcpObjGroup    OBJECT-GROUP
         OBJECTS {



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            isnsRegEntityEID,
            isnsRegEntityProtocol,
            isnsRegEntityManagementAddressType,
            isnsRegEntityManagementAddress,
            isnsRegEntityTimestamp,
            isnsRegEntityVersionMin,
            isnsRegEntityVersionMax,
            isnsRegEntityRegistrationPeriod,
            isnsRegEntityInfoNumPortals,
            isnsRegEntityInfoNumPortalGroups,
            isnsRegEntityInfoNumIscsiNodes,
            isnsRegEntityInfoNumFcPorts,
            isnsRegEntityInfoNumFcNodes,
            isnsRegPortalAddressType,
            isnsRegPortalAddress,
            isnsRegPortalPortType,
            isnsRegPortalPort,
            isnsRegPortalSymbolicName,
            isnsRegPortalEsiInterval,
            isnsRegPortalEsiPortType,
            isnsRegPortalEsiPort,
            isnsRegPortalScnPortType,
            isnsRegPortalScnPort,
            isnsRegPortalSecurityInfo,
            isnsRegFcPortID,
            isnsRegFcPortType,
            isnsRegFcPortSymbolicName,
            isnsRegFcPortFabricPortWwn,
            isnsRegFcPortHA,
            isnsRegFcPortAddressType,
            isnsRegFcPortAddress,
            isnsRegFcPortFcCos,
            isnsRegFcPortFc4Types,
            isnsRegFcPortFc4Descr,
            isnsRegFcPortFc4Features,
            isnsRegFcPortScnTypes,
            isnsRegFcPortRole,
            isnsRegFcPortFcNodeWwnn,
            isnsRegFcPortPpnWwn,
            isnsRegFcNodeSymbolicName,
            isnsRegFcNodeAddressType,
            isnsRegFcNodeAddress,
            isnsRegFcNodeIPA,
            isnsRegFcNodeProxyIscsiName,
            isnsRegFcNodeNumFcPorts,
            isnsRegFcNodePortEntityIndex
                 }
         STATUS                  current



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         DESCRIPTION
     "iSNS Server registered iFCP managed objects."
            ::= { isnsGroups 8 }

     isnsNotificationsObjGroup    OBJECT-GROUP
         OBJECTS {
            isnsInstanceInfo,
            isnsAddressNotificationType,
            isnsAddressNotification,
            isnsTcpPortNotification,
            isnsUdpPortNotification
                 }
         STATUS                  current
         DESCRIPTION
     "iSNS Notification managed objects."
            ::= { isnsGroups 9 }

     isnsServerNotificationGroup  NOTIFICATION-GROUP
         NOTIFICATIONS {
            isnsServerStart,
            isnsServerShutdown
                       }
         STATUS                  current
         DESCRIPTION
     "iSNS Server Notification managed objects."
            ::= { isnsGroups 10 }
  END

6.  IANA Considerations

  The MIB module in this document uses the following IANA-assigned
  OBJECT IDENTIFIER values recorded in the SMI Numbers registry:

        Descriptor        OBJECT IDENTIFIER value
        ----------        -----------------------

        isnsMIB           { mib-2 163 }

  This RFC utilizes the IANA registry of iSNS parameters.  This
  registry was created for the iSNS Specification [RFC4171], and is
  located at http://www.iana.org/assignments/isns-parameters.
  Specifically, the isnsRegEntityProtocol values used in the MIB module
  are the values for the Block Storage Protocols that IANA assigns and
  documents in http://www.iana.org/assignments/isns-parameters.







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7.  Security Considerations

  There are no management objects defined in this MIB module that have
  a MAX-ACCESS clause of read-write and/or read-create.  So, if this
  MIB module is implemented correctly, then there is no risk that an
  intruder can alter or create any management objects of this MIB
  module via direct SNMP SET operations.

  Some of the readable objects in this MIB module (i.e., objects with a
  MAX-ACCESS other than not-accessible) may be considered sensitive or
  vulnerable in some network environments.  It is thus important to
  control even GET and/or NOTIFY access to these objects and possibly
  to even encrypt the values of these objects when sending them over
  the network via SNMP.  These are the tables and objects and their
  sensitivity/vulnerability:

  The isnsDdsMemberTable contains information about which Discovery
  Domains may be enabled at the same time.

  The isnsDdTable contains information about Discovery Domains,
  containing storage nodes with an ability to communicate and exchange
  storage data.

  The isnsDdIscsiMemberTable indicates which iSCSI nodes are contained
  in which Discovery Domains.

  The isnsDdPortalMemberTable indicates which iSCSI portals are
  contained in which Discovery Domains.

  The isnsDdFcPortMemberTable indicates which iFCP FC N_Ports are
  contained in which Discovery Domains.

  The isnsControlNodeIscsiTable indicates which iSCSI nodes have the
  ability to possibly control an iSNS server.

  The isnsControlNodeFcPortTable indicates which iFCP FC N_Ports have
  the ability to possibly control an iSNS server.

  The above object tables provide information about storage objects
  sessions, and can indicate to a user who is communicating and
  exchanging storage data.

  SNMP versions prior to SNMPv3 did not include adequate security.
  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 module.




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  It is RECOMMENDED that implementers consider the security features as
  provided by the SNMPv3 framework (see [RFC3410], section 8),
  including full support for the SNMPv3 cryptographic mechanisms (for
  authentication and privacy).

  Further, deployment of SNMP versions prior to SNMPv3 is NOT
  RECOMMENDED.  Instead, it is RECOMMENDED to deploy SNMPv3 and to
  enable cryptographic security.  It is then a customer/operator
  responsibility to ensure that the SNMP entity giving access to an
  instance of this MIB module 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.  Normative References

  [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
             Requirement Levels", BCP 14, RFC 2119, March 1997.

  [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.

  [RFC3411]  Harrington, D., Presuhn, R., and B. Wijnen, "An
             Architecture for Describing Simple Network Management
             Protocol (SNMP) Management Frameworks", STD 62, RFC 3411,
             December 2002.

  [RFC3720]  Satran, J., Meth, K., Sapuntzakis, C., Chadalapaka, M.,
             and E. Zeidner, "Internet Small Computer Systems Interface
             (iSCSI)", RFC 3720, March 2004.

  [RFC4001]  Daniele, M., Haberman, B., Routhier, S., and J.
             Schoenwaelder, "Textual Conventions for Internet Network
             Addresses", RFC 4001, February 2005.

  [RFC4044]  McCloghrie, K., "Fibre Channel Management MIB", RFC 4044,
             May 2005.





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RFC 4939                        iSNS MIB                       July 2007


  [RFC4133]  McCloghrie, K. and A. Bierman, "Entity MIB (Version 3)",
             RFC 4133, August 2005.

  [RFC4171]  Tseng, J., Gibbons, K., Travostino, F., Du Laney, C., and
             J. Souza, "Internet Storage Name Service (iSNS)", RFC
             4171, September 2005.

  [RFC4172]  Monia, C., Mullendore, R., Travostino, F., Jeong, W., and
             M. Edwards, "iFCP - A Protocol for Internet Fibre Channel
             Storage Networking", RFC 4172, September 2005.

9.  Informative References

  [RFC3410]   Case, J., Mundy, R., Partain, D., and B. Stewart,
             "Introduction and Applicability Statements for Internet-
             Standard Management Framework", RFC 3410, December 2002.

10.  Acknowledgements

  This memo is a product of the IP Storage (IPS) working group within
  the Internet Engineering Task Force.

  We wish to acknowledge the contributions and comments from the IPS
  WG, including the following:

        IPS WG Chair: David Black
        Former Editors: Josh Tseng and Tom McSweeney
        MIB Editors: Keith McCloghrie and Bert Wijnen























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RFC 4939                        iSNS MIB                       July 2007


Authors' Addresses

  Kevin Gibbons
  2Wire, Inc.
  1704 Automation Parkway
  San Jose, CA 95131
  USA
  Tel:   +1 408-895-1387
  Fax:   +1 408-428-9590
  EMail: [email protected]

  G.D. Ramkumar
  SnapTell, Inc.
  2741 Middlefield Rd, Suite 200
  Palo Alto, CA 94306
  USA
  Tel:   +1 650-326-7627
  Fax:   +1 650-326-7620
  EMail: [email protected]

  Scott Kipp
  Brocade
  4 McDATA Pkwy
  Broomfield, CO 80021
  USA
  Tel:   +1 720-558-3452
  Fax:   +1 720-558-8999
  EMail: [email protected]























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RFC 4939                        iSNS MIB                       July 2007


Full Copyright Statement

  Copyright (C) The IETF Trust (2007).

  This document is subject to the rights, licenses and restrictions
  contained in BCP 78, and except as set forth therein, the authors
  retain all their rights.

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  "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
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