Definitions of Managed Objects
                                for DLUR

                           November 19, 1996


                         Bob Clouston (editor)
                             Cisco Systems
                           clouston@cisco.com



                           Bob Moore (editor)
                            IBM Corporation
                      remoore@ralvm6.vnet.ibm.com



                   <draft-ietf-snanau-dlurmib-00.txt>




1.  Status of this Memo

This document is an Internet-Draft.  Internet-Drafts are working
documents of the Internet Engineering Task Force (IETF), its areas, and
its working groups.  Note that other groups may also distribute working
documents as Internet-Drafts.

Internet-Drafts are draft documents valid for a maximum of six months.
Internet-Drafts may be updated, replaced, or obsoleted by other
documents at any time.  It is not appropriate to use Internet-Drafts as
reference material or to cite them other than as a working draft or work
in progress.

To learn the current status of any Internet-Draft, please check the
1id-abstracts.txt listing contained in the Internet-Drafts Shadow
Directories on ds.internic.net, nic.nordu.net, ftp.isi.edu, or
munnari.oz.au.

2.  Introduction

This memo defines a portion of the Management Information Base (MIB) for
use with network management protocols in the Internet community.  In
particular, it defines objects for monitoring and controlling network



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devices with DLUR (Dependent LU Requester) capabilities.  This memo
identifies managed objects for the DLUR protocol.


This memo does not specify a standard for the Internet community.

3.  The SNMP Network Management Framework

The SNMP Network Management Framework consists of several components.
For the purpose of this specification, the applicable components of the
Framework are the SMI and related documents [1, 2, 3], which define the
mechanisms used for describing and naming objects for the purpose of
management.

The Framework permits new objects to be defined for the purpose of
experimentation and evaluation.


4.  Overview

This document identifies the proposed set of objects for monitoring the
configuration and active characteristics of devices with DLUR
capabilities.  Dependent LU requester/server (DLUR/S) is an extension to
the Advanced Peer-to-Peer Networking (APPN) architecture that provides
dependent LU services in APPN networks.  See the SNANAU APPN MIB [4] for
management of APPN networks.

The base APPN architecture only provided for transport of data between
independent logical units (LUs).  However, customers have an enormous
investment in applications based on dependent LU types. DLUR/S provides
for support of dependent LU sessions in an APPN network.

A dependent LU server (DLUS) is an APPN node that provides System
Services Control Point (SSCP) services over an APPN network to remote
secondary dependent LUs by using SSCP-PU and SSCP-LU sessions whose
flows are encapsulated on LU 6.2 session flows between the DLUS node and
the appropriate dependent LU requester (DLUR) node.  The secondary
dependent LUs may be local to the DLUR node, or in adjacent type 2.0 or
2.1 nodes.

The LU 6.2 control sessions between a DLUS node and a DLUR node are
referred to as a CPSVRMGR pipe.  CPSVRMGR refers to the mode used for
the sessions.

In this document, we describe DLUR managed objects.




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The DLUR terms and overall architecture are described in [5].

Highlights of the management functions supported by the DLUR MIB module
include the following:


o    Identifying the node's DLUR capabilities

o    Displaying the physical units (PUs) this node is supporting

o    Identification of Dependent LU Servers

o    Displaying the state of control sessions to Dependent LU Servers.


This MIB module does not support:


o    Management of dependent LU servers

o    Configuration of DLUR nodes.

o    Changing the state of control session to the DLUS

o    Displaying the dependent LUs this node is supporting

o    Traps.  The APPN MIB contains a trap for Alert conditions that may
     affect DLUR resources.


4.1.  DLUR MIB Structure

The DLUR MIB module contains the following groups of objects:


o    dlurNodeInfo--objects representing the capabilities and
     architecture options supported by the DLUR implementation, as well
     as default primary and backup DLUSs.

o    dlurPuInfo--objects describing the PUs that this APPN node is
     supporting with DLUR.

o    dlurDlusInfo--objects describing the control sessions with DLUSs.


These groups are described below in more detail.



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4.1.1.  dlurNodeInfo group

The dlurNodeInfo group consists of the following objects and table:

1) dlurNodeCapabilities group

These objects represent the capabilities and options of the DLUR
implementation, such as the release level of the implementation

2) dlurDefaultDefBackupDlusTable

This group identifies the list of defined backup DLUSs for all PUs
served by this DLUR, if there is no specific DLUS backup list for the
PU.  The list is in descending order of preference as a backup DLUS.


4.1.2.  dlurPuInfo group

The dlurPuInfo group consists of the following table

1) dlurPuTable

This table has an entry for each PU this node is supporting via DLUR,
including the locally known name, the SSCP supplied name (if known), and
the PU status.


4.1.3.  dlurDlusInfo group

This group consists of the following table:

1) dlurDlusTable

This table contains information about the control sessions (CPSVRMGR
pipes) with the DLUS, including the control point (CP) name of the DLUS
and the status of the control session.













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5.  Definitions

APPN-DLUR-MIB DEFINITIONS ::= BEGIN

IMPORTS
        DisplayString, TruthValue, TEXTUAL-CONVENTION
                FROM SNMPv2-TC

        OBJECT-TYPE, MODULE-IDENTITY
                FROM SNMPv2-SMI

        MODULE-COMPLIANCE, OBJECT-GROUP
                FROM SNMPv2-CONF

        snanauMIB
                FROM SNA-NAU-MIB

        SnaControlPointName
                FROM APPN-MIB;

dlurMIB MODULE-IDENTITY
        LAST-UPDATED  "9611190000Z"
        ORGANIZATION  "IETF SNA NAU MIB WG / AIW APPN/HPR MIBs SIG"
        CONTACT-INFO

                "
                        Bob Clouston
                        Cisco Systems
                        7025 Kit Creek Road
                        P.O. Box 14987
                        Research Triangle Park, NC 27709, USA
                        Tel:    1 919 472 2333
                        E-mail: clouston@cisco.com

                        Bob Moore
                        IBM Corporation
                        800 Park Offices Drive
                        RHJA/664
                        P.O. Box 12195
                        Research Triangle Park, NC 27709, USA
                        Tel:    1 919 254 4436
                        E-mail: remoore@ralvm6.vnet.ibm.com
                "
      DESCRIPTION
                "This is the MIB module for objects used to manage
                network devices with DLUR capabilities.  This MIB



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                contains information that is useful for managing an APPN
                product that implements a DLUR (Dependent Logical Unit
                Requester).  The DLUR product has a client/server
                relationship with an APPN product that implements a DLUS
                (Dependent Logical Unit Server)."

::= { snanauMIB 5 }
-- snanauMIB ::= { mib-2 34 }

-- *********************************************************************
-- Textual Convention
-- ---------------------------------------------------------------------
-- SnaControlPointName is imported from the APPN MIB

-- *********************************************************************
  dlurObjects OBJECT IDENTIFIER ::= { dlurMIB 1 }
-- *********************************************************************


dlurNodeInfo OBJECT IDENTIFIER ::= { dlurObjects 1 }
-- *********************************************************************
-- DLUR Capabilities of the node
--
--  This group represents the capabilities and options of the DLUR
--  implementation.
-- *********************************************************************
dlurNodeCapabilities OBJECT IDENTIFIER ::= { dlurNodeInfo 1 }

dlurNodeCpName OBJECT-TYPE
      SYNTAX SnaControlPointName
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Administratively assigned network name for the APPN node where
          this DLUR implementation resides.  This object corresponds to
          the appnNodeCpName object in the APPN MIB."

      ::= { dlurNodeCapabilities 1 }

dlurReleaseLevel OBJECT-TYPE
      SYNTAX DisplayString (SIZE (2))
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The DLUR release level of this implementation.  This is the
          value that is encoded in the DLUR/DLUS Capabilites (CV 51).



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          To insure consistent display, this one-byte value is encoded
          here as two displayable characters that are equivalent to a
          hexadecimal display.  For example, if the one-byte value as
          encoded in CV51 is X'01', this object will contain the
          displayable string '01'."

      ::= { dlurNodeCapabilities 2 }

dlurAnsSupport OBJECT-TYPE
      SYNTAX INTEGER {
                     continueOrStop(1),
                     stopOnly(2)
                     }
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Automatic Network Shutdown capability of this node.

              -  'continueOrStop' indicates that the DLUR implementation
                 supports either ANS value (continue or stop) as
                 specified by the DLUS on ACTPU for each PU.

              -  'stopOnly' indicates that the DLUR implementation only
                 supports the ANS value of stop.

           ANS = continue means that the DLUR node will keep LU-LU
           sessions active even if SSCP-PU and SSCP-LU control sessions
           are interrupted.

           ANS = stop means that LU-LU sessions will be interrupted when
           the SSCP-PU and SSCP-LU sessions are interrupted."

      ::= { dlurNodeCapabilities 3 }

dlurMultiSubnetSupport OBJECT-TYPE
      SYNTAX TruthValue
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Indication of whether this DLUR implementation can support
          CPSVRMGR sessions that cross NetId boundaries."

      ::= { dlurNodeCapabilities 4 }

dlurDefaultDefPrimDlusName OBJECT-TYPE
      SYNTAX SnaControlPointName



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      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The SNA name of the defined default primary DLUS for all of
          the PUs served by this DLUR.  This can be overridden for a
          particular PU by a defined primary DLUS for that PU,
          represented by the dlurPuDefPrimDlusName object."

      ::= { dlurNodeCapabilities 5 }

-- *********************************************************************
-- DLUR default defined backup DLUS table
-- *********************************************************************

dlurDefaultDefBackupDlusTable OBJECT-TYPE
      SYNTAX SEQUENCE OF DlurDefaultDefBackupDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "This table contains an ordered list of defined backup DLUSs
          for all of the PUs served by this DLUR.  These can be
          overridden for a particular PU by a list of defined backup
          DLUSs for that PU, represented by the
          dlurPuDefBackupDlusNameTable.  Entries in this table are
          ordered from most preferred backup DLUS to least preferred."

      ::= { dlurNodeInfo 2 }

dlurDefaultDefBackupDlusEntry OBJECT-TYPE
      SYNTAX DlurDefaultDefBackupDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "This table is indexed by an arbitrary integer-valued index."

      INDEX { dlurDefaultDefBackupDlusIndex }

      ::= { dlurDefaultDefBackupDlusTable 1 }

DlurDefaultDefBackupDlusEntry ::= SEQUENCE {
      dlurDefaultDefBackupDlusIndex      INTEGER,
      dlurDefaultDefBackupDlusName       SnaControlPointName
                     }

dlurDefaultDefBackupDlusIndex OBJECT-TYPE
      SYNTAX INTEGER (1..255)



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      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "Index for this table."

      ::= { dlurDefaultDefBackupDlusEntry 1 }

dlurDefaultDefBackupDlusName OBJECT-TYPE
      SYNTAX SnaControlPointName
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Fully qualified name of a default backup DLUS for PUs served
          by this DLUR."

      ::= { dlurDefaultDefBackupDlusEntry 2 }

-- *********************************************************************
-- DLUR-unique Information about PUs
--
--  The following table carries DLUR-unique information about the PUs
--  that this APPN node is supporting via DLUR.
-- *********************************************************************
dlurPuInfo OBJECT IDENTIFIER ::= { dlurObjects 2 }

dlurPuTable OBJECT-TYPE
      SYNTAX SEQUENCE OF DlurPuEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
           "DLUR-unique information about PUs supported by this DLUR."

      ::= { dlurPuInfo 1 }

dlurPuEntry OBJECT-TYPE
      SYNTAX DlurPuEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
           "Entry in table of DLUR-unique information about PUs"

      INDEX { dlurPuName  }

      ::= { dlurPuTable 1 }

DlurPuEntry ::= SEQUENCE {



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      dlurPuName                  DisplayString,
      dlurPuSscpSuppliedName      DisplayString,
      dlurPuStatus                INTEGER,
      dlurPuAnsSupport            INTEGER,
      dlurPuLocation              INTEGER,
      dlurPuLsName                DisplayString,
      dlurPuDlusSessnStatus       INTEGER,
      dlurPuActiveDlusName        DisplayString,
      dlurPuDefPrimDlusName       DisplayString
                     }

dlurPuName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (1..17))
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "Locally administered name of the PU.  If this object has the
          same value as the snaPu20Name object in the SNANAU MIB, then
          the two are identifying the same PU."

      ::= { dlurPuEntry 1 }


dlurPuSscpSuppliedName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (0..17))
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The SNA name of the PU.  This value is supplied to a PU by the
          SSCP that activated it.  If a value has not been supplied, a
          zero-length string is returned.  If this object has the same
          value as the snaNodeSscpSuppliedName object in the SNANAU MIB,
          then the two are identifying the same PU."

      ::= { dlurPuEntry 2 }

dlurPuStatus OBJECT-TYPE
      SYNTAX INTEGER {
                      reset(1),
                      pendReqActpuRsp(2),
                      pendActpu(3),
                      pendActpuRsp(4),
                      active(5),
                      pendLinkact(6),
                      pendDactpuRsp(7),
                      pendInop(8),



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                      pendInopActpu(9)
                     }
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Status of the DLUR-support PU."

      ::= { dlurPuEntry 3 }

dlurPuAnsSupport OBJECT-TYPE
      SYNTAX INTEGER {
                     continue(1),
                     stop(2)
                     }
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The Automatic Network Shutdown (ANS) support configured for
          this PU.  This value (as configured by the network
          administrator) is sent by DLUS with ACTPU for each PU.

              -  'continue' means that the DLUR node will attempt to keep
                 LU-LU sessions active even if SSCP-PU and SSCP-LU
                 control sessions are interrupted.

              -  'stop' means that LU-LU sessions will be interrupted
                 when the SSCP-PU and SSCP-LU sessions are interrupted."

      ::= { dlurPuEntry 4 }

dlurPuLocation OBJECT-TYPE
      SYNTAX INTEGER {
                      internal(1),
                      downstream(2) }
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Location of the DLUR-support PU:
              internal(1)   - internal to the APPN node itself (no link)
              downstream(2) - downstream of the APPN node (connected via
                              a link)."

      ::= { dlurPuEntry 5 }

dlurPuLsName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (0..10))



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      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Administratively assigned name of the link station through
          which a downstream PU is connected to this DLUR.  A zero-length
          string is returned for internal PUs.  If this object has the
          same value as the appnLsName object in the APPN MIB, then the
          two are identifying the same link station."

      ::= { dlurPuEntry 6 }

dlurPuDlusSessnStatus OBJECT-TYPE
      SYNTAX INTEGER {
                      reset(1),
                      pendingActive(2),
                      active(3),
                      pendingInactive(4)
                     }
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Status of the control session to the DLUS identified in
          dlurPuActiveDlusName.  This is a combination of the separate
          states for the contention-winner and contention-loser sessions:

          reset(1)           - none of the cases below
          pendingActive(2)   - either contention-winner session or
                               contention-loser session is pending active
          active(3)          - contention-winner and contention-loser
                               sessions are both active
          pendingInactive(4) - either contention-winner session or
                               contention-loser session is pending
                               inactive - this test is made AFTER the
                               'pendingActive' test."

      ::= { dlurPuEntry 7 }

dlurPuActiveDlusName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (0..17))
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The SNA name of the active DLUS for this PU.  If present, this
          name follows the SnaControlPointName textual convention.  A
          zero-length string indicates that the PU does not currently
          have an active DLUS."



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      ::= { dlurPuEntry 8 }

dlurPuDefPrimDlusName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (0..17))
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "The SNA name of the defined primary DLUS for this PU, if one
          has been defined.  If present, this name follows the
          SnaControlPointName textual convention.  A zero-length string
          indicates that no primary DLUS has been defined for this PU, in
          which case the global default represented by the
          dlurDefaultDefPrimDlusName object is used."

      ::= { dlurPuEntry 9 }

-- *****************************************
-- Defined backup DLUS table for a PU
-- *****************************************

dlurPuDefBackupDlusTable OBJECT-TYPE
      SYNTAX SEQUENCE OF DlurPuDefBackupDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "This table contains an ordered list of defined backup DLUSs
          for those PUs served by this DLUR that have their own defined
          backup DLUSs.  PUs that have no entries in this table use the
          global default backup DLUSs for the DLUR, represented by the
          dlurDefaultDefBackupDlusNameTable.  Entries in this table are
          ordered from most preferred backup DLUS to least preferred for
          each PU."

      ::= { dlurPuInfo 2 }

dlurPuDefBackupDlusEntry OBJECT-TYPE
      SYNTAX DlurPuDefBackupDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "This table is indexed by PU name and by an arbitrary integer-
          valued index."

      INDEX { dlurPuDefBackupDlusPuName,
              dlurPuDefBackupDlusIndex }




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      ::= { dlurPuDefBackupDlusTable 1 }

DlurPuDefBackupDlusEntry ::= SEQUENCE {
      dlurPuDefBackupDlusPuName          DisplayString,
      dlurPuDefBackupDlusIndex           INTEGER,
      dlurPuDefBackupDlusName            SnaControlPointName
                     }

dlurPuDefBackupDlusPuName OBJECT-TYPE
      SYNTAX DisplayString (SIZE (1..17))
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "Locally administered name of the PU.  If this object has the
          same value as the dlurPuName object, then the two are
          identifying the same PU."

      ::= { dlurPuDefBackupDlusEntry 1 }

dlurPuDefBackupDlusIndex OBJECT-TYPE
      SYNTAX INTEGER (1..255)
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "Secondary index for this table."

      ::= { dlurPuDefBackupDlusEntry 2 }

dlurPuDefBackupDlusName OBJECT-TYPE
      SYNTAX SnaControlPointName
      MAX-ACCESS read-only
      STATUS current
      DESCRIPTION
          "Fully qualified name of a backup DLUS for this PU."

      ::= { dlurPuDefBackupDlusEntry 3 }

-- *********************************************************************
--               DLUS Control Sessions (CPSVRMGR Pipes)
--
--  This table contains information about DLUS control sessions, also
--  known as CPSVRMGR pipes.  Although DLUR uses a pair of CPSVRMGR
--  sessions for communication, for the purpose of status, information
--  about these two sessions is combined to yield a single status for the
--  requester/server connection.
-- *********************************************************************



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dlurDlusInfo OBJECT IDENTIFIER ::= { dlurObjects 3 }

dlurDlusTable OBJECT-TYPE
      SYNTAX SEQUENCE OF DlurDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
           "Information about DLUS control sessions."

      ::= { dlurDlusInfo 1}

dlurDlusEntry OBJECT-TYPE
      SYNTAX DlurDlusEntry
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
           "This entry is indexed by the name of the DLUS."

      INDEX { dlurDlusName }

      ::= { dlurDlusTable 1 }

DlurDlusEntry ::= SEQUENCE {
      dlurDlusName          SnaControlPointName,
      dlurDlusSessnStatus   INTEGER
                     }

dlurDlusName OBJECT-TYPE
      SYNTAX SnaControlPointName
      MAX-ACCESS not-accessible
      STATUS current
      DESCRIPTION
          "The SNA name of a DLUS with which this DLUR currently has a
          CPSVRMGR pipe established."

      ::= { dlurDlusEntry 1 }

dlurDlusSessnStatus OBJECT-TYPE
      SYNTAX INTEGER {
                      reset(1),
                      pendingActive(2),
                      active(3),
                      pendingInactive(4)
                     }
      MAX-ACCESS read-only
      STATUS current



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      DESCRIPTION
          "Status of the CPSVRMGR pipe between the DLUR and this DLUS.
          This is a combination of the separate states for the
          contention-winner and contention-loser sessions:

          reset(1)           - none of the cases below
          pendingActive(2)   - either contention-winner session or
                               contention-loser session is pending active
          active(3)          - contention-winner and contention-loser
                               sessions are both active
          pendingInactive(4) - either contention-winner session or
                               contention-loser session is pending
                               inactive - this test is made AFTER the
                               'pendingActive' test."


      ::= { dlurDlusEntry 2 }

-- ***************************************************************
-- Conformance information
-- ***************************************************************

dlurConformance       OBJECT IDENTIFIER ::= { dlurMIB 2 }

dlurCompliances       OBJECT IDENTIFIER ::= { dlurConformance 1 }
dlurGroups            OBJECT IDENTIFIER ::= { dlurConformance 2 }

-- Compliance statements

dlurCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
          "The compliance statement for the SNMPv2 entities which
          implement the DLUR MIB."

      MODULE -- this module

--    Unconditionally mandatory groups
      MANDATORY-GROUPS  { dlurConfGroup }

      ::= { dlurCompliances 1 }

-- Units of conformance
dlurConfGroup OBJECT-GROUP
      OBJECTS {
               dlurNodeCpName,



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               dlurReleaseLevel,
               dlurAnsSupport,
               dlurMultiSubnetSupport,
               dlurDefaultDefPrimDlusName,
               dlurDefaultDefBackupDlusName,
               dlurPuSscpSuppliedName,
               dlurPuStatus,
               dlurPuAnsSupport,
               dlurPuLocation,
               dlurPuLsName,
               dlurPuDlusSessnStatus,
               dlurPuActiveDlusName,
               dlurPuDefPrimDlusName,
               dlurPuDefBackupDlusName,
               dlurDlusSessnStatus
              }
      STATUS current
      DESCRIPTION
          "A collection of objects providing information on an
          implementation of APPN DLUR."

      ::= { dlurGroups 1 }

-- end of conformance statement

END























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6.  Acknowledgments

This MIB module is the product of the IETF SNA NAU MIB WG and the AIW
APPN/HPR MIBs SIG.


7.  References


[1]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and S.
     Waldbusser, "Structure of Management Information for version 2 of
     the Simple Network Management Protocol (SNMPv2)", RFC 1902, January
     1996.

[2]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and S.
     Waldbusser, "Textual Conventions for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1903, January 1996.

[3]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and S.
     Waldbusser, "Conformance Statements for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1904, January 1996.

[4]  Clouston, B., and B. Moore, "Definition of Managed Objects for
     APPN", Cisco Systems, IBM Corporation, November 1996.

[5]  IBM, Systems Network Architecture Advanced Peer-to-Peer Networking
     Dependent LU Requester Architecture Reference, Version 1.2,
     December 1995.





















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8.  Security Considerations

Security issues are not discussed in this memo.


9.  Authors' Addresses

Bob Clouston
Cisco Systems
7025 Kit Creek Road
P.O. Box 14987
Research Triangle Park, NC 27709, USA

Tel:    1 919 472 2333
E-mail: clouston@cisco.com


Bob Moore
IBM Corporation
800 Park Offices Drive
CNMA/664
P.O. Box 12195
Research Triangle Park, NC 27709, USA

Tel:    1 919 254 4436
E-mail: remoore@ralvm6.vnet.ibm.com























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10.  Table of Contents


   1.     Status of this Memo  ....................................  1
   2.     Introduction  ...........................................  1
   3.     The SNMP Network Management Framework  ..................  2
   4.     Overview  ...............................................  2
   4.1      DLUR MIB structure ....................................  3
   5.     Definitions  ............................................  5
   6.     Acknowledgments  ........................................  18
   7.     References  .............................................  18
   8.     Security Considerations  ................................  19
   9.     Author's Addresses  .....................................  19




































Expires May 19, 1997                                           [Page 20]