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Versions: (draft-decnodder-ancp-mib-an) 00 01 02 03 04 05 06 07 08 09 10 11 12

Network Working Group                                      S. De Cnodder
Internet-Draft                                            Alcatel-Lucent
Intended status: Standards Track                          M. Morgenstern
Expires: July 13, 2014                                  ECI Telecom Ltd.
                                                         January 9, 2014


    Access Node Control Protocol (ANCP) MIB module for Access Nodes
                     draft-ietf-ancp-mib-an-12.txt

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols.  In particular it defines
   objects for managing access nodes that are using the Access Node
   Control Protocol (ANCP).

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on July 13, 2014.

Copyright Notice

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

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.



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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  The Internet-Standard Management Framework  . . . . . . . . .   2
   3.  Conventions . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   5.  Structure of the MIB Module . . . . . . . . . . . . . . . . .   3
     5.1.  Textual Conventions . . . . . . . . . . . . . . . . . . .   3
     5.2.  The ANCP MIB module Subtree . . . . . . . . . . . . . . .   3
     5.3.  The Notifications Subtree . . . . . . . . . . . . . . . .   3
     5.4.  The Table Structures  . . . . . . . . . . . . . . . . . .   4
   6.  Relationship to Other MIB Modules . . . . . . . . . . . . . .   5
     6.1.  Relationship to the Interfaces Group MIB module . . . . .   5
     6.2.  MIB modules required for IMPORTS  . . . . . . . . . . . .   5
   7.  ANCP MIB Definitions for the Access Node  . . . . . . . . . .   6
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  31
   9.  IANA considerations . . . . . . . . . . . . . . . . . . . . .  37
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  37
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  37
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  38
     11.2.  Informative References . . . . . . . . . . . . . . . . .  38
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  39

1.  Introduction

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols.  In particular it defines
   objects for managing access nodes as described in [RFC5851] that are
   using the Access Node Control Protocol defined in [RFC6320].

2.  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 MIB
   modules 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].







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3.  Conventions

   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].

4.  Overview

   In [RFC5851], the framework for the Access Node Control Protocol
   (ANCP) is described.  It defines 2 network entities, the Access Node
   (AN) and the Network Access Server (NAS), between which ANCP sessions
   are established.  The detailed protocol specification of ANCP is
   described in [RFC6320].  This document specifies a MIB module for an
   AN that supports ANCP, and a MIB module that defines textual
   conventions.

   This document specifies MIB modules for an AN as defined in
   [RFC6320], and any protocol extensions not defined in [RFC6320] are
   not covered by this document.  Also MIB modules for a NAS are not
   covered by this document.

5.  Structure of the MIB Module

5.1.  Textual Conventions

   New textual conventions, AncpSessionCapabilities, AncpVersion,
   AncpName, and AncpPartitionId are defined in a seperate MIB module in
   this document.  These textual conventions are used for the
   convenience of humans reading the MIB.

5.2.  The ANCP MIB module Subtree

   ANCP-TC-MIB is the first MIB module defined in this document, and it
   is put under mib-2.  Also the second MIB module defined in this
   document, ANCP-AN-MIB is put under mib-2.

5.3.  The Notifications Subtree

   Notifications are defined to inform the management station about
   state changes of ANCP sessions, whenever an ANCP session changes
   state.  Two notifications are defined for this purpose.  The
   notification ancpAnSessionUp is to inform the management station when
   the session comes up, and the notification ancpAnSessionDown is to
   inform when the ANCP session is down again after it was up before.

   Attributes are introduced to enable and disable the generation of
   these notifications per ANCP session.  No other special measures for
   congestion avoidance for the notifications are needed because the



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   number of ANCP sessions in an access node is typically small.  In
   addition, establishing an ANCP session and tearing down it again,
   takes some time such that for a particular ANCP session, not many
   notifications in a short time period can be generated.

5.4.  The Table Structures

   The ANCP MIB module for the AN has 3 tables.  The tables are the
   following:

   o  ancpAnSessionConfigTable

      This table is used to configure ANCP sessions at the AN towards a
      specific NAS.  The NAS is identified by a number of attributes in
      this table (ancpAnSessionConfigNasIpAddressType and
      ancpAnSessionConfigNasIpAddress).  The other attributes in this
      table can be used to configure properties that are specific for
      that particular ANCP session.  The interface to which the ANCP
      session is bound is also configured in this table.  This interface
      can be an IP interface, an ATM PVC, a VLAN (or VLAN stack), or any
      other interface defined in IF-MIB.



   o  ancpAnCurrentSessionTable

      This table shows the operational state of a particular ANCP
      session, as well as the actual values of various parameters
      associated with it.  The table also provides statistical
      information collected for each particular ANCP session.  Each
      session configured in ancpAnSessionConfigTable has a corresponding
      row in ancpAnCurrentSessionTable.  When a session is configured or
      deleted in the ancpAnSessionConfigTable, then the corresponding
      row of that session in the ancpAnCurrentSessionTable is,
      respectively, automatically created or deleted.



   o  ancpAnInterfaceConfigTable

      This table is used to assign interfaces to particular partitions
      if partitions are being used as indicated by the scalar
      ancpAnPartitionsUsed.  When partitions are used, a row in this
      table is created automatically when a user facing interface for
      which the system supports ANCP is created in the ifTable of the
      IF-MIB [RFC2863].

   Four groups are defined:



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   o  ancpAnConfigGroup

      This group contains all objects of the ancpAnSessionConfigTable in
      which the ANCP sessions are configured in the access node.



   o  ancpAnCurrentGroup

      This group contains all objects of the
      ancpAnCurrentSessionTable where the operational state and other
      information of the ANCP sessions are shown.



   o  ancpAnInterfaceGroup

      This group contains all objects to configure interfaces to be used
      by ANCP.  Assigning interfaces to particular partitions is part of
      this group in case partitions are used.



   o  ancpAnNotificationsGroup

      This group contains the notifications that indicate state changes
      of ANCP sessions.



6.  Relationship to Other MIB Modules

6.1.  Relationship to the Interfaces Group MIB module

   There is a dependency between the ANCP MIB module and the Interfaces
   Group MIB (IF-MIB) defined in [RFC2863].  The ifIndex defined in the
   ifTable of IF-MIB is used as the index of the
   ancpAnInterfaceConfigTable defined in the ANCP MIB module for access
   nodes.  Each time that an entry is created in the ifTable for which
   the system supports ANCP (e.g., in a DSLAM this is typically for each
   DSL line), a row is created automatically in the
   ancpAnInterfaceConfigTable if partitions are being used.

6.2.  MIB modules required for IMPORTS

   The ANCP TC MIB module requires the following MIB modules for
   IMPORTS:




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   o  SNMPv2-SMI defined in [RFC2578]

   o  SNMPv2-TC defined in [RFC2579]

   The ANCP MIB module for access nodes requires thefollowing MIB
   modules for IMPORTS:


   o  SNMPv2-SMI defined in [RFC2578]

   o  RMON2-MIB defined in [RFC4502]

   o  IF-MIB defined in [RFC2863]

   o  INET-ADDRESS-MIB defined in [RFC4001]

   o  SNMPv2-CONF defined in [RFC2580]

   o  SNMPv2-TC defined in [RFC2579]

   o  Q-BRIDGE-MIB defined in [RFC4363]

   o  ANCP-TC-MIB defined in this document

7.  ANCP MIB Definitions for the Access Node

   ANCP-TC-MIB DEFINITIONS ::= BEGIN

   IMPORTS
          MODULE-IDENTITY, mib-2, Unsigned32
               FROM SNMPv2-SMI                            -- RFC2578

          TEXTUAL-CONVENTION
               FROM SNMPv2-TC;                            -- RFC2579

   ancpTcMIB MODULE-IDENTITY
          LAST-UPDATED "201306240000Z" -- 24 June 2013
          ORGANIZATION "IETF ANCP Working Group"
          CONTACT-INFO
                 " Editors:

                           Stefaan De Cnodder
                           Alcatel-Lucent
                   Postal: Copernicuslaan 50
                           B-2018 Antwerp
                           Belgium
                   EMail:  stefaan.de_cnodder@alcatel-lucent.com
                   Phone:  +32 3 240 85 15



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                           Moti Morgenstern
                           ECI Telecom Ltd.
                   Postal: 30 Hasivim St.
                           Petach Tikva 4959388,
                           Israel
                   Email:  moti.morgenstern@ecitele.com
                   Phone:  +972 3 926 6258
                 "
          DESCRIPTION
              "This MIB module provides Textual Conventions to be
               used by MIB modules for AN and NAS that are implementing
               the Access Node Control Protocol (ANCP).

               Copyright (C) The IETF Trust (2008).  The initial version
               of this MIB module was published in RFC yyyy; for full
               legal notices see the RFC itself."
   -- RFC Ed.: replace yyyy with actual RFC number and remove this note
          REVISION "201306240000Z" -- 24 June 2013
          DESCRIPTION "Initial version as published in RFC yyyy."
   -- RFC Ed.: replace yyyy with actual RFC number and remove this note
          ::= { mib-2 xxx }
   -- The value xxx to be assigned by IANA.

   --
   -- Textual Conventions
   --

   AncpSessionCapabilities ::= TEXTUAL-CONVENTION
          STATUS current
          DESCRIPTION
               "ANCP capabilities supported by the AN.
                The following capabilities are available:
                   dslTopologyDiscovery (1) - Access Topology Discovery
                   dslLineConfiguration (2) - Line Configuration
                   dslLineTesting       (4) - Layer 2 OAM
                A bit set means the associated capability is supported."
          SYNTAX BITS {
                        dslTopologyDiscovery (1),
                        dslLineConfiguration (2),
                        dslLineTesting       (4)
                      }

   AncpVersion ::= TEXTUAL-CONVENTION
          STATUS current
          DESCRIPTION
                "The version numbers defined for the ANCP protocol.
                 The version numbers used are defined in the
                 specifications of the respective protocol.



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                 Version 50 is defined in [RFC6320].
                 Other numbers may be defined for other versions of the
                 ANCP protocol."
          SYNTAX Unsigned32

   AncpPartitionId ::= TEXTUAL-CONVENTION
           STATUS         current
           DESCRIPTION
                 "A 8-bit value identifying a partition on the AN."
           SYNTAX OCTET STRING (SIZE(1))

   AncpName ::= TEXTUAL-CONVENTION
           STATUS         current
           DESCRIPTION
                 "The Name is a 48-bit quantity.
                 A 48-bit IEEE 802 MAC address, if
                 available, may be used."
           SYNTAX OCTET STRING (SIZE(6))
   END

   ANCP-AN-MIB DEFINITIONS ::= BEGIN

   IMPORTS
          MODULE-IDENTITY, OBJECT-TYPE,
          Unsigned32, TimeTicks,zeroDotZero,
          NOTIFICATION-TYPE, mib-2
               FROM SNMPv2-SMI                        -- RFC2578
          ZeroBasedCounter32
               FROM RMON2-MIB                         -- RFC4502
          InterfaceIndex, ifIndex       FROM IF-MIB   -- RFC2863
          InetAddressType, InetAddress, InetPortNumber
               FROM INET-ADDRESS-MIB                  -- RFC4001
          MODULE-COMPLIANCE, OBJECT-GROUP,
          NOTIFICATION-GROUP
               FROM SNMPv2-CONF                       -- RFC2580
          RowStatus, TruthValue, RowPointer
               FROM SNMPv2-TC                         -- RFC2579
          VlanIdOrNone
               FROM Q-BRIDGE-MIB                      -- RFC4363
          AncpSessionCapabilities, AncpVersion,
          AncpPartitionId, AncpName
               FROM ANCP-TC-MIB;                      -- This document

   ancpAnMIB MODULE-IDENTITY
          LAST-UPDATED "201306240000Z" -- 24 June 2013
          ORGANIZATION "IETF ANCP Working Group"
          CONTACT-INFO
                 " Editors:



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                           Stefaan De Cnodder
                           Alcatel-Lucent
                   Postal: Copernicuslaan 50
                           B-2018 Antwerp
                           Belgium
                   EMail:  stefaan.de_cnodder@alcatel-lucent.com
                   Phone:  +32 3 240 85 15

                           Moti Morgenstern
                           ECI Telecom Ltd.
                   Postal: 30 Hasivim St.
                           Petach Tikva 4959388,
                           Israel
                   Email:  moti.morgenstern@ecitele.com
                   Phone:  +972 3 926 6258
                 "
          DESCRIPTION
              "The MIB module for entities implementing the access node
               side of the Access Node Control Protocol (ANCP).

               Copyright (C) The IETF Trust (2008).  The initial version
               of this MIB module was published in RFC yyyy; for full
               legal notices see the RFC itself."
   -- RFC Ed.: replace yyyy with actual RFC number and remove this note
          REVISION "201306240000Z" -- 24 June 2013
          DESCRIPTION "Initial version as published in RFC yyyy."
   -- RFC Ed.: replace yyyy with actual RFC number and remove this note
          ::= { mib-2 xxx }
   -- The value xxx to be assigned by IANA.

   ancpAnNotifications             OBJECT IDENTIFIER ::= { ancpAnMIB 0 }
   ancpAnObjects                   OBJECT IDENTIFIER ::= { ancpAnMIB 1 }
   ancpAnConformance               OBJECT IDENTIFIER ::= { ancpAnMIB 2 }

   --
   -- Global ANCP Control Parameters
   --
   -- The following scalar parameters globally control the behavior
   -- of the ANCP implementation
   --

   ancpAnPartitionsUsed OBJECT-TYPE

          SYNTAX         TruthValue
          MAX-ACCESS     read-write
          STATUS         current
          DESCRIPTION
               "This object allows the manager to specify whether or



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                not to use the 'Partition ID' field in the ANCP message
                header.  When set to 'false' the application does not
                use partitions and the ancpAnSessionConfigPartitionId
                object MUST be zero for all sessions.  In addition, rows
                SHOULD NOT be created in the ancpAnInterfaceConfigTable.
                When set to 'true' the application uses partitions and
                the ancpAnSessionConfigPartitionId object MUST be set,
                for every session, to a nonzero value.  In such a case,
                rows are created in ancpAnInterfaceConfigTable.  The
                default value zero in ancpAnInterfaceConfigPartitionId
                object means that the operator did not associate the
                interface with a particular partition.  Note that
                modifying the value of this object is restricted.
                E.g., prior to setting it from 'true' to 'false'
                ancpAnSessionConfigRowStatus objects for all sessions
                should be set to notInService and the partition ID value
                MUST be set to zero.
                The value of this object is persistent."
          DEFVAL { false }
          ::= { ancpAnObjects 1 }

   --
   -- Configuration of ANCP Sessions
   --

   ancpAnNextSessionId OBJECT-TYPE
          SYNTAX     Unsigned32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
               "The object reports the next index (potential value of
                ancpAnSessionConfigSessionId) which is available for
                creating a new row in ancpAnSessionConfigTable.
                If no such value is available (e.g., the table is full
                or any other reason) the object reports '0' (zero).
                An available value V becomes unavailable when a row is
                actually created with ancpAnSessionConfigSessionId=V and
                until then consecutive GET commands with this object may
                return the same value V. Note that eventually only one
                row creation with the value V can succeed.
                An unavailable value V becomes available again when a
                row with ancpAnSessionConfigSessionId=V in
                ancpAnSessionConfigTable is deleted."
          ::= { ancpAnObjects 2 }

   ancpAnSessionConfigTable OBJECT-TYPE
          SYNTAX SEQUENCE OF AncpAnSessionConfigEntry
          MAX-ACCESS not-accessible



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          STATUS     current
          DESCRIPTION
                "This table represents the ANCP sessions in the access
                 node. An entry in this table needs to be configured
                 (created) before an ANCP session might be started."
          ::= { ancpAnObjects 3 }

   ancpAnSessionConfigEntry OBJECT-TYPE
          SYNTAX     AncpAnSessionConfigEntry
          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION
                "An entry in the table showing the data for a
                 specific actual or yet to be established session.
                 If partitions are used, one session corresponds to
                 one specific access node partition."
          INDEX { ancpAnSessionConfigSessionId }
          ::= { ancpAnSessionConfigTable 1 }

   AncpAnSessionConfigEntry ::= SEQUENCE {
          ancpAnSessionConfigSessionId          Unsigned32,
          ancpAnSessionConfigRowStatus          RowStatus,
          ancpAnSessionConfigAncpVersion        AncpVersion,
          ancpAnSessionConfigEncapsulationType  INTEGER,
          ancpAnSessionConfigCapabilities       AncpSessionCapabilities,
          ancpAnSessionConfigAliveTimer         Unsigned32,
          ancpAnSessionConfigPortReportShaper   Unsigned32,
          ancpAnSessionConfigAggregateReportShaper  Unsigned32,
          ancpAnSessionConfigTransportRetryTimer Unsigned32,
          ancpAnSessionConfigAncpRetryTimer     Unsigned32,
          ancpAnSessionConfigAnName             AncpName,
          ancpAnSessionConfigPartitionId        AncpPartitionId,
          ancpAnSessionConfigWindowSize         Unsigned32,
          ancpAnSessionConfigRelatedInterface   InterfaceIndex,
          ancpAnSessionConfigRelatedEntity      RowPointer,
          ancpAnSessionConfigSvid               VlanIdOrNone,
          ancpAnSessionConfigSPrio              Unsigned32,
          ancpAnSessionConfigCvid               VlanIdOrNone,
          ancpAnSessionConfigCPrio              Unsigned32,
          ancpAnSessionConfigNasIpAddressType   InetAddressType,
          ancpAnSessionConfigNasIpAddress       InetAddress,
          ancpAnSessionConfigEncapPortNumber    InetPortNumber,
          ancpAnSessionConfigNotifyDnEnable     TruthValue,
          ancpAnSessionConfigNotifyUpEnable     TruthValue
   }

   ancpAnSessionConfigSessionId OBJECT-TYPE
          SYNTAX     Unsigned32 (1..255)



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          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION
                "An index of a session referred by this row. The index
                 is unique across all partitions.
                 The referred session may be actually established or
                 just potential.
                 Prior to creating a row in the table it is advised to
                 check the ancpAnNextSessionId for an available index."
          ::= { ancpAnSessionConfigEntry 1 }

   ancpAnSessionConfigRowStatus OBJECT-TYPE
          SYNTAX     RowStatus
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "An object that allows entries in this table to
                 be created, modified and deleted using the RowStatus
                 convention.
                 A SET operation to any other attribute in this row,
                 when this object is set to 'active' (1), MUST be
                 rejected with an SNMP error (e.g., inconsistentValue).
                 In order to perform a SET operation to any other
                 attribute in this table the manager MUST set this
                 object to notInService (2). After setting the object
                 back to 'active' the implementation MAY tear down the
                 session and recreate it, depending on what session
                 attributes have been modified. "
          ::= { ancpAnSessionConfigEntry 2 }

   ancpAnSessionConfigAncpVersion OBJECT-TYPE
          SYNTAX     AncpVersion
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The maximum version number of the ANCP protocol that
                 may be used in this session. The value of this object
                 is persistent."
          DEFVAL { 50 }
          ::= { ancpAnSessionConfigEntry 3 }

   ancpAnSessionConfigEncapsulationType OBJECT-TYPE
          SYNTAX INTEGER {
                     tcp(1)
                 }
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION



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                "Required encapsulation for this session. The value of
                 this object is persistent."
          DEFVAL { tcp }
          ::= { ancpAnSessionConfigEntry 4 }

   ancpAnSessionConfigCapabilities OBJECT-TYPE
          SYNTAX     AncpSessionCapabilities
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "ANCP capabilities supported by the AN in this session.
                 When all bits are set to zero then this means that no
                 capabilities are supported. The value of this object
                 is persistent."
          DEFVAL { { dslTopologyDiscovery, dslLineTesting } }
          ::= { ancpAnSessionConfigEntry 5 }

   ancpAnSessionConfigAliveTimer OBJECT-TYPE
          SYNTAX     Unsigned32(1..255)
          UNITS      "deciseconds"
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The timer specifies the nominal time between periodic
                 adjacency protocol messages generated by the access
                 node.
                 It is a constant for the duration of an ANCP session.
                 The timer is specified in units of 100ms. The value
                 of this object is persistent."
          DEFVAL { 250 }
          ::= { ancpAnSessionConfigEntry 6 }

   ancpAnSessionConfigPortReportShaper OBJECT-TYPE
          SYNTAX     Unsigned32(1..255)
          UNITS      "deciseconds"
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The timer specifies the nominal time between
                 2 EventReport messages related to the same port.
                 It is a constant for the duration of a ANCP session.
                 The timer is specified in units of 100ms. The value
                 of this object is persistent."
          DEFVAL { 10 }
          ::= { ancpAnSessionConfigEntry 7 }

   ancpAnSessionConfigAggregateReportShaper OBJECT-TYPE
          SYNTAX     Unsigned32(1..2550)



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          UNITS      "centiseconds"
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The timer specifies the nominal time between
                 2 EventReport messages related to any port.
                 It is a constant for the duration of a ANCP session.
                 The timer is specified in units of 10ms. The value
                 of this object is persistent."
          DEFVAL { 10 }
          ::= { ancpAnSessionConfigEntry 8 }

   ancpAnSessionConfigTransportRetryTimer OBJECT-TYPE
          SYNTAX     Unsigned32(0..255)
          UNITS      "deciseconds"
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The timer specifies the nominal time between 2
                 transport connection setup attempts done by the
                 access node.
                 The transport protocol is specified in
                 ancpAnSessionConfigEncapsulationType.
                 The timer is specified in units of 100ms.
                 A value 0 means that the access node will NOT
                 initiate nor setup the transport connection. The
                 value of this object is persistent."
          DEFVAL { 10 }
          ::= { ancpAnSessionConfigEntry 9 }

   ancpAnSessionConfigAncpRetryTimer OBJECT-TYPE
          SYNTAX     Unsigned32(0..255)
          UNITS      "deciseconds"
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The timer specifies the nominal time between
                 2 ANCP connection setup attempts.
                 The timer is specified in units of 100ms.
                 A value 0 means that the access node will NOT
                 spontaneously trigger an ANCP session.
                 Whatever the setting of this timer, the access
                 node shall always listen for ANCP session setup.
                 The value of this object is persistent."
          DEFVAL { 10 }
          ::= { ancpAnSessionConfigEntry 10 }

   ancpAnSessionConfigAnName OBJECT-TYPE



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          SYNTAX     AncpName
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The name of the access node. The first three octets
                 must be an Organizationally Unique Identifier (OUI)
                 that identifies the manufacturer of the access node.
                 This object can be (one of) the MAC address(es) of the
                 access node on the network side.
                 When set to zero, the access node shall autonomously
                 decide on using the most appropriate MAC address of the
                 access node. Then the actually used access node name
                 can be read from ancpAnCurrentSessionAnName.
                 The value of this object is persistent."
          DEFVAL { '000000000000'H }
          ::= { ancpAnSessionConfigEntry 11 }

   ancpAnSessionConfigPartitionId OBJECT-TYPE
          SYNTAX     AncpPartitionId
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The Id for this session's specific access node
                 partition.
                 This object has a meaning only if partitions are used
                 (ancpAnPartitionsUsed='true') and is ignored
                 otherwise.
                 The value of this object is persistent."
          DEFVAL { '00'H }
          ::= { ancpAnSessionConfigEntry 12 }

   ancpAnSessionConfigWindowSize OBJECT-TYPE
          SYNTAX     Unsigned32(1..65535)
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The maximum number of unacknowledged request messages
                 that may be transmitted by the controller without the
                 possibility of loss. This field is used to prevent
                 request messages from being lost in the access node
                 because of overflow in the receive buffer. The field is
                 a hint to the controller. The value of this object is
                 persistent."
          DEFVAL { 10 }
          ::= { ancpAnSessionConfigEntry 13 }

      ancpAnSessionConfigRelatedInterface OBJECT-TYPE
          SYNTAX      InterfaceIndex



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          MAX-ACCESS  read-create
          STATUS      current
          DESCRIPTION
                "This object contains the value of an ifIndex object,
                 defined in IF-MIB, indicating an interface
                 corresponding to this session.
                 The corresponding interface might be either physical
                 or logical (e.g., IP Interface).
                 The value of this object is persistent."
          ::= { ancpAnSessionConfigEntry 14 }

      ancpAnSessionConfigRelatedEntity OBJECT-TYPE
          SYNTAX      RowPointer
          MAX-ACCESS  read-create
          STATUS      current
          DESCRIPTION
               "This object contains the name of an object instance
                uniquely identifying a lower layer entity associated
                with this session.  For example, in the case where the
                session is associated with an ATM VCC, this object might
                be set to an object identifier uniquely identifying
                that VCC (e.g., an object instance in atmVclTable).
                If unused, this object MUST have the value zeroDotZero.
                The value of this object is persistent."
          DEFVAL { zeroDotZero }
          ::= { ancpAnSessionConfigEntry 15 }

      ancpAnSessionConfigSvid OBJECT-TYPE
          SYNTAX      VlanIdOrNone
          MAX-ACCESS  read-create
          STATUS      current
          DESCRIPTION
                "If the session is associated with a single VLAN, this
                 object contains the VLAN ID of the single VLAN tag. If
                 ancpAnSessionConfigCvid is also nonzero then the
                 session is associated with two VLAN tags, S-VLAN tag
                 and C-VLAN tag, then this object contains the VLAN ID
                 of the S-VLAN tag (the outer VLAN tag). In both cases
                 the value of this object SHOULD be nonzero.
                 If the session is not associated with any VLAN, this
                 object MUST have the default value 0.
                 The value of this object is persistent."
          DEFVAL       { 0 }
          ::= { ancpAnSessionConfigEntry 16 }

      ancpAnSessionConfigSPrio OBJECT-TYPE
          SYNTAX      Unsigned32(0..7 | 65535)
          MAX-ACCESS  read-create



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          STATUS      current
          DESCRIPTION
                "If the session is associated with a single VLAN, this
                 object contains the priority value of the single VLAN
                 tag.
                 If ancpAnSessionConfigCvid is also nonzero then the
                 session is associated with two VLAN tags, S-VLAN tag
                 and C-VLAN tag, then this object contains the priority
                 value of the S-VLAN tag (the priority value of the
                 outer VLAN tag). In both cases the value of this object
                 SHOULD be in the range 0 to 7 inclusive.
                 If the session is not associated with any VLAN, this
                 object MUST have the default value 65535.
                 The value of this object is persistent."
          DEFVAL       { 65535 }
          ::= { ancpAnSessionConfigEntry 17 }

      ancpAnSessionConfigCvid OBJECT-TYPE
          SYNTAX      VlanIdOrNone
          MAX-ACCESS  read-create
          STATUS      current
          DESCRIPTION
                "If the session is associated with two VLANs, has both
                 S-VLAN tag and C-VLAN tag, this object contains the
                 VLAN ID of the inner VLAN tag (also called C-VLAN ID).
                 In such a case the value of this object SHOULD be
                 nonzero.
                 If the session is not associated with any VLAN or if it
                 is associated with a single VLAN, this object MUST
                 have the default value 0.
                 The value of this object is persistent."
          DEFVAL       { 0 }
          ::= { ancpAnSessionConfigEntry 18 }

      ancpAnSessionConfigCPrio OBJECT-TYPE
          SYNTAX      Unsigned32(0..7 | 65535)
          MAX-ACCESS  read-create
          STATUS      current
          DESCRIPTION
                "If the session is associated with two VLANs, has both
                 S-VLAN tag and C-VLAN tag, this object contains the
                 priority value of the inner VLAN tag (also called
                 C-VLAN priority). In such a case the value of this
                 object SHOULD be in the range 0 to 7 inclusive.
                 If the session is not associated with any VLAN or if it
                 is associated with a single VLAN, this object MUST have
                 the default value 65535.
                 The value of this object is persistent."



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          DEFVAL       { 65535 }
          ::= { ancpAnSessionConfigEntry 19 }

   ancpAnSessionConfigNasIpAddressType OBJECT-TYPE
          SYNTAX  InetAddressType { ipv4(1), ipv6(2) }
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The type of address in ancpAnSessionConfigNasIpAddress.
                 The value of this object is persistent.
                 Note that although other types of addresses are defined
                 in the InetAddressType textual convention, this object
                 is limited to IPv4 and IPv6 addresses."
          ::= { ancpAnSessionConfigEntry 20 }

   ancpAnSessionConfigNasIpAddress OBJECT-TYPE
          SYNTAX     InetAddress
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The IP address used for the ANCP session peer (NAS).
                 The type of this IP address attribute is determined
                 by the value of ancpAnSessionConfigNasIpAddressType.
                 The value of this object is persistent."
          ::= { ancpAnSessionConfigEntry 21 }

   ancpAnSessionConfigEncapPortNumber OBJECT-TYPE
          SYNTAX     InetPortNumber (1..65535)
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "The port number used for the transport protocol
                 establishment to the ANCP peer. The transport
                 protocol type is specified by
                 ancpAnSessionConfigEncapsulationType and as
                 it is set by default to 'tcp' then the default
                 port number is set to 6068 (see details in
                 http://www.iana.org/). Other port numbers may
                 be relevant if other transport protocols are used.
                 The value of this object is persistent."
          DEFVAL { 6068 }
          ::= { ancpAnSessionConfigEntry 22 }

   ancpAnSessionConfigNotifyDnEnable OBJECT-TYPE
          SYNTAX     TruthValue
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION



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                "This object specifies if ancpAnSessionDown
                 notification should be generated when this session
                 leaves the 'estab' state as given by
                 ancpAnCurrentSessionState in the corresponding row
                 in ancpAnCurrentSessionTable.
                 The value of this object is persistent."
          DEFVAL { false }
          ::= { ancpAnSessionConfigEntry 23 }

   ancpAnSessionConfigNotifyUpEnable OBJECT-TYPE
          SYNTAX     TruthValue
          MAX-ACCESS read-create
          STATUS     current
          DESCRIPTION
                "This object specifies if ancpAnSessionUp
                 notification should be generated when this session
                 goes to 'estab' state as given by
                 ancpAnCurrentSessionState in the corresponding row
                 in ancpAnCurrentSessionTable.
                 The value of this object is persistent."
          DEFVAL { false }
          ::= { ancpAnSessionConfigEntry 24 }

   --
   -- Operational Information of ANCP Sessions
   --

   ancpAnCurrentSessionTable OBJECT-TYPE
          SYNTAX SEQUENCE OF AncpAnCurrentSessionEntry
          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION
                "This table gives actual information of the sessions
                 in the access node.
                 A row in this table is available only for active
                 sessions, i.e., for each session that its corresponding
                 row status (ancpAnSessionConfigRowStatus) in
                 ancpAnSessionConfigTable is set to either 'active' (1)
                 or 'notInService' (2).
                 A row in this table is deleted when the corresponding
                 row in the ancpAnSessionConfigTable is deleted."
          ::= { ancpAnObjects 4 }

   ancpAnCurrentSessionEntry OBJECT-TYPE
          SYNTAX     AncpAnCurrentSessionEntry
          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION



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                "An entry in the table showing the data for a
                 specific actual session."
          INDEX { ancpAnSessionConfigSessionId }
          ::= { ancpAnCurrentSessionTable 1 }

   AncpAnCurrentSessionEntry ::= SEQUENCE {
          ancpAnCurrentSessionState             INTEGER,
          ancpAnCurrentSessionAncpVersion       AncpVersion,
          ancpAnCurrentSessionAnName            AncpName,
          ancpAnCurrentSessionNasName           AncpName,
          ancpAnCurrentSessionAnIpAddressType   InetAddressType,
          ancpAnCurrentSessionAnIpAddress       InetAddress,
          ancpAnCurrentSessionAnInstance        Unsigned32,
          ancpAnCurrentSessionNasInstance       Unsigned32,
          ancpAnCurrentSessionCapabilities      AncpSessionCapabilities,
          ancpAnCurrentSessionStartUptime       TimeTicks,
          ancpAnCurrentSessionDiscontinuityTime TimeTicks,
          ancpAnCurrentSessionStatSentMessages  ZeroBasedCounter32,
          ancpAnCurrentSessionStatReceivedValidMessages
                                                     ZeroBasedCounter32,
          ancpAnCurrentSessionStatDiscardedMessages  ZeroBasedCounter32,
          ancpAnCurrentSessionStatReceivedAdjSyn     ZeroBasedCounter32,
          ancpAnCurrentSessionStatReceivedAdjSynack  ZeroBasedCounter32,
          ancpAnCurrentSessionStatReceivedAdjAck     ZeroBasedCounter32,
          ancpAnCurrentSessionStatReceivedAdjRstack  ZeroBasedCounter32,
          ancpAnCurrentSessionStatTransmittedAdjSyn  ZeroBasedCounter32,
          ancpAnCurrentSessionStatTransmittedAdjSynack
                                                     ZeroBasedCounter32,
          ancpAnCurrentSessionStatTransmittedAdjAck  ZeroBasedCounter32,
          ancpAnCurrentSessionStatTransmittedAdjRstack
                                                     ZeroBasedCounter32
   }

   ancpAnCurrentSessionState OBJECT-TYPE
          SYNTAX     INTEGER {
                         other(1),
                         synsent(2),
                         synrcvd(3),
                         estab(4),
                         syncloss(5)
                     }
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The state of this session as defined in the ANCP
                 specification.
                 the state other(1) is returned if the session state
                 cannot be reflected by any other valid object-value.



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                 The state syncloss(5) indicates that the AN has
                 declared loss of synchronization as defined in section
                 3.5.2.7 of RFC 6320."
          ::= { ancpAnCurrentSessionEntry 1 }

   ancpAnCurrentSessionAncpVersion OBJECT-TYPE
          SYNTAX     AncpVersion
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The actual version number of the ANCP protocol that
                 is used in this session.
                 This object has value 0 if ancpAnCurrentSessionState is
                 not estab(4)."
          ::= { ancpAnCurrentSessionEntry 2 }

   ancpAnCurrentSessionAnName OBJECT-TYPE
          SYNTAX     AncpName
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The name of the access node used in this session.
                 It should be the same as ancpAnSessionConfigAnName if
                 that object is not set to zero.
                 If ancpAnSessionConfigAnName is set to zero, then this
                 object will contain the MAC address selected by the
                 access node as described in the description of
                 ancpAnSessionConfigAnName.
                 The value of this object is used as value for the
                 'Sender Name' field in the header of the ANCP messages
                 generated for this session by the AN."
          ::= { ancpAnCurrentSessionEntry 3 }

   ancpAnCurrentSessionNasName OBJECT-TYPE
          SYNTAX     AncpName
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The name of the NAS as advertised in the adjacency
                 message.
                 The value of this object is set to the value of the
                 'Sender Name' field in the header of the ANCP messages
                 received on this session.  This object has value 0 if
                 ancpAnCurrentSessionState is not estab(4)."
          ::= { ancpAnCurrentSessionEntry 4 }

   ancpAnCurrentSessionAnIpAddressType OBJECT-TYPE
          SYNTAX  InetAddressType { ipv4(1), ipv6(2) }



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          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The type of address in ancpAnCurrentSessionAnIpAddress.
                 Note that although other types of addresses are defined
                 in the InetAddressType textual convention, this object
                 is limited to IPv4 and IPv6 addresses."
          ::= { ancpAnCurrentSessionEntry 5 }

   ancpAnCurrentSessionAnIpAddress OBJECT-TYPE
          SYNTAX     InetAddress
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The IP address used for the access node.
                 The type of this IP address attribute is determined
                 by the value of ancpAnCurrentSessionAnIpAddressType."
          ::= { ancpAnCurrentSessionEntry 6 }

   ancpAnCurrentSessionAnInstance OBJECT-TYPE
          SYNTAX     Unsigned32(0..16777215)
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The instance number used by the access node during this
                 session. The Instance number is a 24-bit number
                 that should be guaranteed to be unique within
                 the recent past and to change when the link
                 or node comes back up after going down. Zero is
                 not a valid instance number.
                 This object has value 0 if ancpAnCurrentSessionState is
                 not estab(4)."
          ::= { ancpAnCurrentSessionEntry 7 }

   ancpAnCurrentSessionNasInstance OBJECT-TYPE
          SYNTAX     Unsigned32(0..16777215)
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The instance number used by the NAS during this
                 session. The Instance number is a 24-bit number
                 that should be guaranteed to be unique within
                 the recent past and to change when the link
                 or node comes back up after going down.
                 This object has value 0 if ancpAnCurrentSessionState is
                 not estab(4)."
          ::= { ancpAnCurrentSessionEntry 8 }




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   ancpAnCurrentSessionCapabilities OBJECT-TYPE
          SYNTAX     AncpSessionCapabilities
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The common ANCP capabilities supported by the AN and
                 NAS in this session.
                 The object has the value 0 if no capabilities are
                 supported
                 or if ancpAnCurrentSessionState is not estab(4)."
          ::= { ancpAnCurrentSessionEntry 9 }

   ancpAnCurrentSessionStartUptime OBJECT-TYPE
          SYNTAX     TimeTicks
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The value of sysUpTime when the session came to
                 established state.
                 This object has value 0 if ancpAnCurrentSessionState is
                 not estab(4)."
          ::= { ancpAnCurrentSessionEntry 10 }

   ancpAnCurrentSessionDiscontinuityTime OBJECT-TYPE
          SYNTAX     TimeTicks
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The value of sysUpTime on the most recent occasion at
                 which session's counters suffered a discontinuity.
                 If no such discontinuities have occurred since then,
                 this object contains the same value as
                 ancpAnCurrentSessionStartUptime."
          ::= { ancpAnCurrentSessionEntry 11 }

   ancpAnCurrentSessionStatSentMessages OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of messages that have been sent in this
                 session by the access node.
                 All ANCP messages pertaining to this session shall
                 be counted, also including adjacency protocol messages
                 and failure response messages.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 12 }



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   ancpAnCurrentSessionStatReceivedValidMessages OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of messages that have been received and
                 processed in this session by the access node.
                 All ANCP messages pertaining to this session shall
                 be counted, also including adjacency protocol messages
                 and failure response messages.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 13 }

   ancpAnCurrentSessionStatDiscardedMessages OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of messages that in this session have been
                 received and discarded for whatever reason by the
                 access node.
                 All ANCP messages pertaining to this session shall
                 be counted, also including adjacency protocol messages
                 and failure response messages.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 14 }

   ancpAnCurrentSessionStatReceivedAdjSyn OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency SYN messages that in this
                 session have been received by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 15 }

   ancpAnCurrentSessionStatReceivedAdjSynack OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency SYNACK messages that in this
                 session have been received by the access node.
                 Discontinuities of this counter are indicated by



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                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 16 }

   ancpAnCurrentSessionStatReceivedAdjAck OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency ACK messages that in this
                 session have been received by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 17 }

   ancpAnCurrentSessionStatReceivedAdjRstack OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency RSTACK messages that in this
                 session have been received by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 18 }

   ancpAnCurrentSessionStatTransmittedAdjSyn OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency SYN messages that in this
                 session have been transmitted by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 19 }

   ancpAnCurrentSessionStatTransmittedAdjSynack OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency SYNACK messages that in this
                 session have been transmitted by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 20 }

   ancpAnCurrentSessionStatTransmittedAdjAck OBJECT-TYPE



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          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency ACK messages that in this
                 session have been transmitted by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 21 }

   ancpAnCurrentSessionStatTransmittedAdjRstack OBJECT-TYPE
          SYNTAX     ZeroBasedCounter32
          MAX-ACCESS read-only
          STATUS     current
          DESCRIPTION
                "The number of adjacency RSTACK messages that in this
                 session have been transmitted by the access node.
                 Discontinuities of this counter are indicated by
                 ancpAnCurrentSessionDiscontinuityTime."
          ::= { ancpAnCurrentSessionEntry 22 }

   --
   -- Partitions
   --

   ancpAnInterfaceConfigTable OBJECT-TYPE
          SYNTAX SEQUENCE OF AncpAnInterfaceConfigEntry
          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION
                "This table configures the association of user facing
                 interfaces to ANCP partitions in the access node.
                 An entry in this table needs to be added by the agent
                 for each relevant user facing interface with the value
                 of ancpAnInterfaceConfigPartitionId set to zero at the
                 time of the creation of the row. A relevant user facing
                 interface is created whenever a row is created in the
                 ifTable of the IF-MIB that can be controlled by ANCP.
                 When such an interface is deleted from the ifTable, the
                 corresponding row in this table has to be removed by
                 the agent.
                 Rows should only be created by the agent when
                 ancpAnPartitionsUsed is set to 'true'.  If no
                 partitions are used, then no rows should be created in
                 this table."
          ::= { ancpAnObjects 5 }

   ancpAnInterfaceConfigEntry OBJECT-TYPE



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          SYNTAX     AncpAnInterfaceConfigEntry
          MAX-ACCESS not-accessible
          STATUS     current
          DESCRIPTION
                "An entry in the table showing the partition id for a
                 specific user facing interface"
          INDEX { ifIndex }
          ::= { ancpAnInterfaceConfigTable 1 }

   AncpAnInterfaceConfigEntry ::= SEQUENCE {
          ancpAnInterfaceConfigPartitionId         AncpPartitionId
   }

   ancpAnInterfaceConfigPartitionId OBJECT-TYPE
          SYNTAX     AncpPartitionId
          MAX-ACCESS read-write
          STATUS     current
          DESCRIPTION
                "A partition Id associated with the related ifIndex.
                 Upon creation of the row, the value is set to '00'H.
                 The value of this object is persistent."
          DEFVAL { '00'H }
          ::= { ancpAnInterfaceConfigEntry 1 }

   --
   -- Notifications
   --

   ancpAnSessionDown NOTIFICATION-TYPE
          OBJECTS {
                    ancpAnCurrentSessionAnIpAddressType,
                    ancpAnCurrentSessionAnIpAddress,
                    ancpAnSessionConfigNasIpAddressType,
                    ancpAnSessionConfigNasIpAddress,
                    ancpAnCurrentSessionAnInstance,
                    ancpAnCurrentSessionNasInstance,
                    ancpAnCurrentSessionStartUptime,
                    ancpAnCurrentSessionDiscontinuityTime,
                    ancpAnCurrentSessionStatSentMessages,
                    ancpAnCurrentSessionStatReceivedValidMessages,
                    ancpAnCurrentSessionStatDiscardedMessages,
                    ancpAnCurrentSessionStatReceivedAdjSyn,
                    ancpAnCurrentSessionStatReceivedAdjSynack,
                    ancpAnCurrentSessionStatReceivedAdjAck,
                    ancpAnCurrentSessionStatReceivedAdjRstack,
                    ancpAnCurrentSessionStatTransmittedAdjSyn,
                    ancpAnCurrentSessionStatTransmittedAdjSynack,
                    ancpAnCurrentSessionStatTransmittedAdjAck,



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                    ancpAnCurrentSessionStatTransmittedAdjRstack
                  }
          STATUS current
          DESCRIPTION
               "This notification is generated whenever an ANCP session
                goes down.  A session can go down for several reasons:
                1) The ANCP session can be deleted by a manager from the
                   ancpAnSessionConfigTable, and hence it will also be
                   removed from the ancpAnCurrentSessionTable.
                2) The session can go operational down due to some
                   malfunction in the network, the AN, or the NAS. In
                   this case, the ANCP session will be still in the
                   ancpAnSessionConfigTable and
                   ancpAnCurrentSessionTable, but the
                   ancpAnCurrentSessionState moves from the 'estab'
                   state to another state.
                This notification is only generated when
                ancpAnSessionConfigNotifyDnEnable of this session is
                set to true."
          ::= { ancpAnNotifications 1 }

   ancpAnSessionUp NOTIFICATION-TYPE
          OBJECTS {
                    ancpAnCurrentSessionAnInstance
                  }
          STATUS current
          DESCRIPTION
               "This notification is generated when an ANCP session
                enters the 'estab' state as given by
                ancpAnCurrentSessionState.
                Since ancpAnCurrentSessionAnInstance identifies the ANCP
                session uniquely the other attributes can be derived
                from this attribute.
                This notification is only generated when
                ancpAnSessionConfigNotifyUpEnable of this session is set
                to true."
          ::= { ancpAnNotifications 2 }

   --
   -- ANCP AN Compliance
   --

   ancpAnGroups            OBJECT IDENTIFIER ::= { ancpAnConformance 1 }
   ancpAnCompliances       OBJECT IDENTIFIER ::= { ancpAnConformance 2 }

   ancpAnModuleCompliance MODULE-COMPLIANCE
          STATUS current
          DESCRIPTION



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                "The compliance statement for agents that support
                 the ANCP MIB module for access nodes."
          MODULE -- this module
          MANDATORY-GROUPS {
                             ancpAnConfigGroup,
                             ancpAnCurrentGroup,
                             ancpAnInterfaceGroup,
                             ancpAnNotificationsGroup
                           }
          ::= { ancpAnCompliances 1 }

   -- units of conformance

   ancpAnConfigGroup OBJECT-GROUP
          OBJECTS {
                     ancpAnNextSessionId,
                     ancpAnSessionConfigRowStatus,
                     ancpAnSessionConfigAncpVersion,
                     ancpAnSessionConfigEncapsulationType,
                     ancpAnSessionConfigCapabilities,
                     ancpAnSessionConfigAliveTimer,
                     ancpAnSessionConfigPortReportShaper,
                     ancpAnSessionConfigAggregateReportShaper,
                     ancpAnSessionConfigTransportRetryTimer,
                     ancpAnSessionConfigAncpRetryTimer,
                     ancpAnSessionConfigAnName,
                     ancpAnSessionConfigPartitionId,
                     ancpAnSessionConfigWindowSize,
                     ancpAnSessionConfigNasIpAddressType,
                     ancpAnSessionConfigNasIpAddress,
                     ancpAnSessionConfigEncapPortNumber,
                     ancpAnSessionConfigNotifyDnEnable,
                     ancpAnSessionConfigNotifyUpEnable
                  }
          STATUS current
          DESCRIPTION
                "These objects apply to the configuration of ANCP
                 sessions in access nodes."
          ::= { ancpAnGroups 1 }

   ancpAnRelatedInterfaceGroup OBJECT-GROUP
          OBJECTS {
                     ancpAnSessionConfigRelatedInterface
                  }
          STATUS current
          DESCRIPTION
               "This object contains the ifIndex of an interface defined
                in IF-MIB. If an ANCP session must be associated with an



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                IP interface, then this group must be supported. This
                group also must be supported together with the
                ancpAnRelatedEntityGroup in case the ANCP session is to
                be associated with an ATM PVC."
          ::= { ancpAnGroups 2 }

   ancpAnRelatedEntityGroup OBJECT-GROUP
          OBJECTS {
                     ancpAnSessionConfigRelatedEntity
                  }
          STATUS current
          DESCRIPTION
                "This object contains the name of an object instance
                 uniquely identifying a lower layer entity. If an ANCP
                 session must be associated with an ATM PVC, then this
                 group together with ancpAnRelatedInterfaceGroup must be
                 supported."
          ::= { ancpAnGroups 3 }

   ancpAnRelatedVlanGroup OBJECT-GROUP
          OBJECTS {
                    ancpAnSessionConfigSvid,
                    ancpAnSessionConfigSPrio,
                    ancpAnSessionConfigCvid,
                    ancpAnSessionConfigCPrio
                  }
          STATUS current
          DESCRIPTION
                "These objects contains all VLAN related configuration
                 when the ANCP session is associated with a particular
                 VLAN. If an ANCP session must be associated with a
                 VLAN (or VLAN stack), then this group must be
                 supported."
          ::= { ancpAnGroups 4 }

   ancpAnCurrentGroup OBJECT-GROUP
          OBJECTS {
                     ancpAnCurrentSessionState,
                     ancpAnCurrentSessionAncpVersion,
                     ancpAnCurrentSessionAnName,
                     ancpAnCurrentSessionNasName,
                     ancpAnCurrentSessionAnIpAddressType,
                     ancpAnCurrentSessionAnIpAddress,
                     ancpAnCurrentSessionAnInstance,
                     ancpAnCurrentSessionNasInstance,
                     ancpAnCurrentSessionCapabilities,
                     ancpAnCurrentSessionStartUptime,
                     ancpAnCurrentSessionDiscontinuityTime,



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                     ancpAnCurrentSessionStatSentMessages,
                     ancpAnCurrentSessionStatReceivedValidMessages,
                     ancpAnCurrentSessionStatDiscardedMessages,
                     ancpAnCurrentSessionStatReceivedAdjSyn,
                     ancpAnCurrentSessionStatReceivedAdjSynack,
                     ancpAnCurrentSessionStatReceivedAdjAck,
                     ancpAnCurrentSessionStatReceivedAdjRstack,
                     ancpAnCurrentSessionStatTransmittedAdjSyn,
                     ancpAnCurrentSessionStatTransmittedAdjSynack,
                     ancpAnCurrentSessionStatTransmittedAdjAck,
                     ancpAnCurrentSessionStatTransmittedAdjRstack
                  }
          STATUS current
          DESCRIPTION
                "These objects show the operational state of all ANCP
                 sessions configured in the access node."
          ::= { ancpAnGroups 5 }

   ancpAnInterfaceGroup OBJECT-GROUP
          OBJECTS {
                     ancpAnPartitionsUsed,
                     ancpAnInterfaceConfigPartitionId
                  }
          STATUS current
          DESCRIPTION
                "These objects are used to assign user facing interface
                 to partitions."
          ::= { ancpAnGroups 6 }

   ancpAnNotificationsGroup NOTIFICATION-GROUP
          NOTIFICATIONS {
                          ancpAnSessionDown,
                          ancpAnSessionUp
                        }
          STATUS current
          DESCRIPTION
                "These objects are used to enable or disable the
                 generation of notifications by the access node about
                 changes in the state of ANCP sessions."
          ::= { ancpAnGroups 7 }

   END

8.  Security Considerations

   There are a number of management objects defined in this MIB module
   with a MAX-ACCESS clause of read-write and/or read-create.  Such
   objects may be considered sensitive or vulnerable in some network



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   environments.  The support for SET operations in a non-secure
   environment without proper protection can have a negative effect on
   network operations.  These are the tables and objects and their
   sensitivity/vulnerability:


   o  ancpAnPartitionsUsed

      This scalar object supports SET operations.  Unauthorized changes
      to this object could result in a wrong interpretation of
      ancpAnSessionConfigPartitionId attribute of all sessions, as if
      all sessions use partition id zero, or to actually disabling the
      use of partitions in the system.



   o  ancpAnSessionConfigTable

      The table consists of the following objects that support SET
      operations:



      *  ancpAnSessionConfigRowStatus

      *  ancpAnSessionConfigAncpVersion

      *  ancpAnSessionConfigEncapsulationType

      *  ancpAnSessionConfigCapabilities

      *  ancpAnSessionConfigAliveTimer

      *  ancpAnSessionConfigPortReportShaper

      *  ancpAnSessionConfigAggregateReportShaper

      *  ancpAnSessionConfigTransportRetryTimer

      *  ancpAnSessionConfigAncpRetryTimer

      *  ancpAnSessionConfigAnName

      *  ancpAnSessionConfigPartitionId

      *  ancpAnSessionConfigWindowSize

      *  ancpAnSessionConfigRelatedInterface



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      *  ancpAnSessionConfigRelatedEntity

      *  ancpAnSessionConfigSvid

      *  ancpAnSessionConfigSPrio

      *  ancpAnSessionConfigCvid

      *  ancpAnSessionConfigCPrio

      *  ancpAnSessionConfigNasIpAddressType

      *  ancpAnSessionConfigNasIpAddress

      *  ancpAnSessionConfigEncapPortNumber

      *  ancpAnSessionConfigNotifyDnEnable

      *  ancpAnSessionConfigNotifyUpEnable

      Unauthorized changes to ancpAnSessionConfigRowStatus could result
      in session being created or brought into service prematurely; or
      could result in session being inadvertently deleted or taken out
      of service.

      Unauthorized changes to ancpAnSessionConfigAncpVersion could have
      an adverse operational effect by limiting the ANCP version to be
      used in the context of this session or enabling an ANCP version
      number that is actually unsupported by the access node.

      Unauthorized changes to ancpAnSessionConfigEncapsulationType could
      have an adverse operational effect by configuring the session to
      use an undesired or even unsupported protocol.

      Unauthorized changes to ancpAnSessionConfigCapabilities could have
      an adverse operational effect by disabling certain ANCP
      capabilities that the operator assumed that are enabled, or enable
      a capability that the operator would not like to activate.

      Unauthorized changes to ancpAnSessionConfigAliveTimer could have
      an adverse operational effect by increasing the frequency of
      adjacency protocol messages generated by the access node and
      leading to an overload of such messages.  Decreasing the frequency
      of such messages may harm the synchronization between the access
      node and the NAS.

      Unauthorized changes to ancpAnSessionConfigPortReportShaper or
      ancpAnSessionConfigAggregateReportShaper could have an adverse



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      operational effect by increasing the frequency of Event Report
      messages generated by the access node and leading to an overload
      of such messages.  Decreasing the frequency of such messages may
      delay the responsiveness of the system to events associated with
      one or more ports.

      Unauthorized changes to ancpAnSessionConfigTransportRetryTimer
      could have an adverse operational effect by increasing the
      frequency of transport connection setup attempts initiated by the
      access node or even unexpectedly enabling the access node to
      initiate the transport connection setup when that supposed to be
      disabled.  Alternatively, when the operator basically planned
      transport connection setup attempts by the access node
      unauthorized changes to the attribute may cause unexpected low
      frequency of such attempts or unexpectedly disable those attempts.

      Unauthorized changes to ancpAnSessionConfigAncpRetryTimer could
      have an adverse operational effect by increasing the frequency of
      ANCP connection setup attempts initiated by the access node or
      even unexpectedly enabling the access node to initiate the ANCP
      connection setup when that supposed to be disabled.
      Alternatively, when the operator basically planned ANCP connection
      setup attempts by the access node unauthorized changes to the
      attribute may cause unexpected low frequency of such attempts or
      unexpectedly disable those attempts.

      Unauthorized changes to ancpAnSessionConfigAnName could confuse
      the NAS, e.g., by detecting the same name from multiple access
      nodes.  This may also override the operator's will to allow/avoid
      the access node to autonomously determine its name.

      Unauthorized changes to ancpAnSessionConfigPartitionId could mean
      that partitions are used when actually they are not, or vice
      versa.  It could also at least specify a different partition ID
      than the one actually associated with the session.

      Unauthorized changes to ancpAnSessionConfigWindowSize are not
      directly harmful.  However, if the controller adopts the suggested
      wrong window size it may either cause the controller to send too
      many messages in a window or unnecessarily limit itself and that
      could reduce the system performance.

      Unauthorized changes to ancpAnSessionConfigRelatedInterface and/or
      ancpAnSessionConfigRelatedEntity and/or ancpAnSessionConfigSvid
      and/or ancpAnSessionConfigCvid can result in the ANCP packets to
      be sent out on the wrong interface.  This means that the ANCP
      packets to establish a session can be received by someone who is
      not the intended receiver.



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      Unauthorized changes to ancpAnSessionConfigSPrio and/or
      ancpAnSessionConfigCPrio may give the ANCP packets a lower or a
      higher priority in the network compared to other packets.
      Lowering the priority might result in a reduced timely behavior of
      the ANCP session, and increasing the priority may result in
      impacting other traffic in the network than ANCP.

      Unauthorized changes to ancpAnSessionConfigNasIpAddressType and/or
      ancpAnSessionConfigNasIpAddress and/or
      ancpAnSessionConfigEncapPortNumber could produce a wrong address
      type (interpretation) and/or IP address for the NAS and/or specify
      a wrong transport protocol port number for the session,
      respectively.

      Unauthorized changes to ancpAnSessionConfigNotifyDnEnable could
      lead (if the change was setting the attribute to 'enable') to
      overload of notification messages at the SNMP manager in case
      multiple sessions leave the 'estab' state simultaneously.  If the
      change was setting the attribute to 'disable' it could lead to
      hiding the actual session state from the SNMP manager.

      Unauthorized changes to ancpAnSessionConfigNotifyUpEnable could
      lead (if the change was setting the attribute to 'enable') to
      overload of notification messages at the SNMP manager in case
      multiple sessions enter the 'estab' state simultaneously.  If the
      change was setting the attribute to 'disable' it could lead to
      hiding the actual session state from the SNMP manager.



   o  ancpAnInterfaceConfigTable

      The table consists of the following objects that support SET
      operations:



      *  ancpAnInterfaceConfigPartitionId

      Unauthorized changes to ancpAnInterfaceConfigPartitionId could
      result in a wrong association between the interface and a
      partition.  It could result in not being able to manage the
      interface from the correct session and/or to exposing the
      interface to a wrong NAS.







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   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.  This is the table and these are the objects
   and their sensitivity/vulnerability:


   o  ancpAnCurrentSessionTable

      Access to these objects would allow an intruder to obtain
      information about which vendor's equipment is in use on the
      network.  Further, such information is considered sensitive in
      many environments for competitive reasons.



      *  ancpAnCurrentSessionState

      *  ancpAnCurrentSessionAncpVersion

      *  ancpAnCurrentSessionAnName

      *  ancpAnCurrentSessionNasName

      *  ancpAnCurrentSessionAnIpAddressType

      *  ancpAnCurrentSessionAnIpAddress

      *  ancpAnCurrentSessionAnInstance

      *  ancpAnCurrentSessionNasInstance

      *  ancpAnCurrentSessionCapabilities

      *  ancpAnCurrentSessionStartUptime

      *  ancpAnCurrentSessionDiscontinuityTime

      *  ancpAnCurrentSessionStatSentMessages

      *  ancpAnCurrentSessionStatReceivedValidMessages

      *  ancpAnCurrentSessionStatDiscardedMessages

      *  ancpAnCurrentSessionStatReceivedAdjSyn




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      *  ancpAnCurrentSessionStatReceivedAdjSynack

      *  ancpAnCurrentSessionStatReceivedAdjAck

      *  ancpAnCurrentSessionStatReceivedAdjRstack

      *  ancpAnCurrentSessionStatTransmittedAdjSyn

      *  ancpAnCurrentSessionStatTransmittedAdjSynack

      *  ancpAnCurrentSessionStatTransmittedAdjAck

      *  ancpAnCurrentSessionStatTransmittedAdjRstack

   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.

   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.

9.  IANA considerations

   IANA is requested to assign two OID's xxx under mib-2 for ANCP-TC-MIB
   and ANCP-AN-MIB.

10.  Acknowledgements

   The authors would like to thank Paul Reynders, Bert Wijnen and Tom
   Taylor for their feedback.

11.  References







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11.1.  Normative References

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

   [RFC2578]  McCloghrie, K., Ed., Perkins, D., Ed., and J.
              Schoenwaelder, Ed., "Structure of Management Information
              Version 2 (SMIv2)", STD 58, RFC 2578, April 1999.

   [RFC2579]  McCloghrie, K., Ed., Perkins, D., Ed., and J.
              Schoenwaelder, Ed., "Textual Conventions for SMIv2", STD
              58, RFC 2579, April 1999.

   [RFC2580]  McCloghrie, K., Perkins, D., and J. Schoenwaelder,
              "Conformance Statements for SMIv2", STD 58, RFC 2580,
              April 1999.

   [RFC2863]  McCloghrie, K. and F. Kastenholz, "The Interfaces Group
              MIB", RFC 2863, June 2000.

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

   [RFC4363]  Levi, D. and D. Harrington, "Definitions of Managed
              Objects for Bridges with Traffic Classes, Multicast
              Filtering, and Virtual LAN Extensions", RFC 4363, January
              2006.

   [RFC4502]  Waldbusser, S., "Remote Network Monitoring Management
              Information Base Version 2", RFC 4502, May 2006.

   [RFC6320]  Wadhwa, S., Moisand, J., Haag, T., Voigt, N., and T.
              Taylor, "Protocol for Access Node Control Mechanism in
              Broadband Networks", RFC 6320, October 2011.

11.2.  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.

   [RFC5851]  Ooghe, S., Voigt, N., Platnic, M., Haag, T., and S.
              Wadhwa, "Framework and Requirements for an Access Node
              Control Mechanism in Broadband Multi-Service Networks",
              RFC 5851, May 2010.





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Authors' Addresses

   Stefaan De Cnodder
   Alcatel-Lucent
   Copernicuslaan 50
   B-2018 Antwerp
   Belgium

   Phone: +32 3 240 85 15
   Email: stefaan.de_cnodder@alcatel-lucent.com


   Moti Morgenstern
   ECI Telecom Ltd.
   30 Hasivim St.
   Petach Tikva  4959388
   Israel

   Phone: +972 3 926 6258
   Fax:   +972 3 928 7322
   Email: moti.Morgenstern@ecitele.com






























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