Internet Engineering Task Force (IETF)                          E. Beili
Request for Comments: 6765                              Actelis Networks
Category: Standards Track                                 M. Morgenstern
ISSN: 2070-1721                                              ECI Telecom
                                                          February 2013


                 xDSL Multi-Pair Bonding (G.Bond) MIB

Abstract

  This document defines a Management Information Base (MIB) module for
  use with network management protocols in TCP/IP-based internets.
  This document defines an extension to the Interfaces Group MIB with a
  set of common objects for managing multi-pair bonded Digital
  Subscriber Line (xDSL) interfaces, as defined in ITU-T
  Recommendations G.998.1, G.998.2, and G.998.3.  The textual
  conventions defining the bonding schemes are contained in a separate
  MIB module maintained by Internet Assigned Numbers Authority (IANA).
  The MIB modules specific to each bonding technology are defined in
  G9981-MIB, G9982-MIB, and G9983-MIB, respectively.

Status of This Memo

  This is an Internet Standards Track document.

  This document is a product of the Internet Engineering Task Force
  (IETF).  It represents the consensus of the IETF community.  It has
  received public review and has been approved for publication by the
  Internet Engineering Steering Group (IESG).  Further information on
  Internet Standards is available in Section 2 of RFC 5741.

  Information about the current status of this document, any errata,
  and how to provide feedback on it may be obtained at
  http://www.rfc-editor.org/info/rfc6765.
















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Copyright Notice

  Copyright (c) 2013 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.

Table of Contents

  1. Introduction ....................................................3
  2. The Internet-Standard Management Framework ......................4
  3. The Broadband Forum Management Framework for xDSL Bonding .......4
  4. Relationship to Other MIB Modules ...............................5
     4.1. Relationship to Interfaces Group MIB Module ................5
          4.1.1. Layering Model ......................................5
          4.1.2. xDSL Bonding ........................................7
          4.1.3. Discovery Operation .................................8
          4.1.4. Initialization of G.Bond Ports .....................10
          4.1.5. Usage of the ifTable ...............................11
     4.2. Relationship to G.Bond ATM, ETH, and TDIM MIB Modules .....13
     4.3. Relationship to xDSL MIB Modules ..........................13
     4.4. Addition of New Bonding Schemes ...........................13
  5. MIB Structure ..................................................13
     5.1. Overview ..................................................13
     5.2. Performance Monitoring ....................................14
     5.3. Mapping of Broadband Forum TR-159 Managed Objects .........14
  6. xDSL Multi-Pair Bonding MIB Definitions ........................19
  7. IANA-Maintained G.Bond TC Definitions ..........................65
  8. Security Considerations ........................................67
  9. IANA Considerations ............................................69
  10. Acknowledgments ...............................................69
  11. References ....................................................70
     11.1. Normative References .....................................70
     11.2. Informative References ...................................71









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1.  Introduction

  xDSL Multi-pair bonding allows a service provider to provide high-
  bandwidth services to business and residential customers over
  multiple xDSL lines, with greater speed and resiliency than service
  over a single xDSL line, bridging the gap between xDSL and fiber-
  based transport.

  Currently, there are three xDSL Multi-pair bonding schemes, also
  known under the collective name "G.Bond":

  o  ATM-Based Multi-pair bonding, as specified in ITU-T Recommendation
     G.998.1 [G.998.1], which defines a method for the bonding (or
     aggregating) of multiple xDSL lines (or individual bearer channels
     in multiple xDSL lines) into a single bidirectional logical link
     carrying an ATM stream.  This specification can be viewed as an
     evolution of the legacy Inverse Multiplexing for ATM (IMA)
     technology [AF-PHY-0086], applied to xDSL with variable rates on
     each line/bearer channel.

  o  Ethernet-Based Multi-pair bonding, as specified in ITU-T
     Recommendation G.998.2 [G.998.2], which defines a method for the
     bonding (or aggregating) of multiple xDSL lines (or individual
     bearer channels in multiple xDSL lines) into a single
     bidirectional logical link carrying an Ethernet stream.  This
     specification can be viewed as IEEE 802.3-2005 [802.3] Clause 61,
     Physical Medium Entity (PME) Aggregation, generalized to work over
     any xDSL technology (2Base-TL and 10Pass-TS interfaces defined by
     IEEE use G.SHDSL (Single-pair High-speed DSL) and VDSL (Very high
     speed DSL) technology, respectively).

  o  Multi-pair bonding using Time-Division Inverse Multiplexing
     (TDIM), specified in ITU-T Recommendation G.998.3 [G.998.3], which
     defines a method for the bonding (or aggregating) of multiple xDSL
     lines into a single bidirectional logical link carrying a mix of
     various traffic streams (e.g., Ethernet, ATM, TDM).

  Architecturally, all three bonding schemes define a new "bonded"
  Transport Protocol Specific - Transmission Convergence (TPS-TC)
  sub-layer, stacked above multiple ATM-TC, Ethernet/Packet Transfer
  Mode-TC (PTM-TC), or Synchronous Transfer Mode-TC (STM-TC) (clear
  channel) sub-layers for the ATM, Ethernet, or TDIM bonding,
  respectively.  Each underlying TPS-TC sub-layer represents a
  protocol-specific interface to an xDSL line or an individual bearer
  channel of an xDSL line.  Bonding of multiple bearer channels in the
  same xDSL line is not allowed.





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  All schemes allow bonding of up to 32 individual line/channel
  sub-layers with variable rates, providing common functionality for
  the configuration, initialization, operation, and monitoring of the
  bonded link.

  This document defines a MIB module common to all 3 schemes.
  Additional managed objects specific to each bonding technology are
  defined in the G9981-MIB [RFC6768], G9982-MIB [RFC6767], and
  G9983-MIB [RFC6766] modules.

  The textual conventions listing the bonding schemes are defined in a
  separate, IANA-maintained MIB module, the first version of which is
  provided in this document.  This arrangement would allow for future
  bonding schemes to be easily supported, without the need to update
  the common GBOND-MIB module.

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 document specifies a
  MIB module that is compliant to the SMIv2, which is described in STD
  58, RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC
  2580 [RFC2580].

  The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
  "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
  "OPTIONAL" in this document are to be interpreted as described in BCP
  14, RFC 2119 [RFC2119].

3.  The Broadband Forum Management Framework for xDSL Bonding

  This document makes use of the Broadband Forum technical report
  "Management Framework for xDSL Bonding" [TR-159], defining a
  management model and a hierarchy of management objects for the bonded
  xDSL interfaces.









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4.  Relationship to Other MIB Modules

  This section outlines the relationship of the MIB modules defined in
  this document with other MIB modules described in the relevant RFCs.
  Specifically, the following MIB modules are discussed: the Interfaces
  Group MIB (IF-MIB), Inverse Stack Table MIB (IF-INVERTED-STACK-MIB),
  and Interface Stack Capability MIB (IF-CAP-STACK-MIB); G.Bond scheme-
  specific modules G.Bond/ATM (G9981-MIB), G.Bond/Ethernet (G9982-MIB),
  and G.Bond/TDIM (G9983-MIB); and DSL-specific MIB modules ADSL
  (ADSL-LINE-EXT-MIB), ADSL2 (ADSL2-LINE-MIB), SHDSL
  (HDSL2-SHDSL-LINE-MIB), VDSL (VDSL-LINE-MIB), and VDSL2
  (VDSL2-LINE-MIB).

4.1.  Relationship to Interfaces Group MIB Module

  A bonded xDSL port is a stacked (a.k.a. aggregated or bonded)
  interface and as such is managed using generic interface management
  objects defined in the IF-MIB [RFC2863].

  The stack management, i.e., actual connection of the sub-layers to
  the top layer interface, is done via the ifStackTable, as defined in
  the IF-MIB [RFC2863] and its inverse -- the ifInvStackTable, as
  defined in the IF-INVERTED-STACK-MIB [RFC2864].

  The ifCapStackTable and its inverse -- the ifInvCapStackTable, as
  defined in the IF-CAP-STACK-MIB [RFC5066] -- extend the stack
  management with an ability to describe possible connections or cross-
  connect capability, when a flexible cross-connect matrix is present
  between the interface layers.

4.1.1.  Layering Model

  A G.Bond interface can aggregate up to 32 channel sub-layers, with
  each channel representing an xDSL line or an xDSL bearer channel.
  For the purpose of brevity we will refer to the bonded interface as
  the Generic Bonding Sub-layer (GBS) and to the channel sub-layer as
  the Bonding Channel Entity (BCE).

  A generic G.Bond device can have a number of GBS ports, each
  connected to a particular upper layer (e.g., a Media Access Control
  (MAC) interface for the G.998.2 scheme), while simultaneously cross-
  connected to a number of underlying BCEs, with a single-GBS-per-BCE
  relationship.

  A GBS port is represented in the Interfaces table (ifTable) as a
  separate interface with an ifType reflecting a particular bonding
  scheme, e.g., g9981(263), g9982(264), or g9983(265).




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  Each BCE in the aggregated GBS port is represented in the ifTable as
  a separate interface with an ifType relevant to a particular xDSL
  technology, e.g., shdsl(169) or vdsl(97).  The ifType values are
  defined in [IANAifType-MIB].

  The following figure shows the layering diagram and corresponding use
  of the ifTable for the bonded xDSL interfaces:

  .-----------------------------.  -
  |            GBS              |  ^ 1 ifEntry
  |          (TPS-TC)           |  v    ifType: g9981(263), g9982(264),
  +-----------------+---+-------+  -            g9983(265), etc.
  | TPS-TC \        |   |       |  ^
  +---------\       |   |       |  | N ifEntry  (N=1..32)
  | PMS-TC   )BCE 1 |...| BCE N |  )    ifType: adsl(94), shdsl(169),
  +---------/       |   |       |  |            vdsl(97), vdsl2(251),
  | PMD    /        |   |       |  v            etc.
  '-----------------+---+-------'  -

   BCE    - Bonding Channel Entity
   GBS    - Generic Bonding Sub-layer
   PMD    - Physical Medium Dependent
   TPS-TC - Transport Protocol Specific - Transmission Convergence
   PMS-TC - Physical Media Specific - Transmission Convergence

           Figure 1: Use of ifTable for Bonded xDSL Interfaces

  The ifStackTable is indexed by the ifIndex values of the aggregated
  G.Bond port (GBS) and the BCEs connected to it.  The ifStackTable
  allows a network management application to determine which BCEs are
  connected to a particular GBS and change connections (if supported by
  the application).  The ifInvStackTable, being an inverted version of
  the ifStackTable, provides an efficient means for a network
  management application to read a subset of the ifStackTable and
  thereby determine which GBS runs on top of a particular BCE.

  The ifCapStackTable, defined in the IF-CAP-STACK-MIB module,
  specifies for each higher-layer interface (e.g., GBS port) a list of
  lower-layer interfaces (e.g., BCEs), which can possibly be cross-
  connected to that higher-layer interface, determined by the cross-
  connect capability of the device.  This table, modeled after the
  ifStackTable, is read only, reflecting current cross-connect
  capability of a stacked interface, which can be dynamic in some
  implementations (e.g., if xDSL lines are located on a pluggable
  module and the module is pulled out).  Note that BCE availability per
  GBS, described by the ifCapStackTable, can be constrained by other
  parameters -- for example, by the aggregation capacity of a GBS or by
  the BCE in question being already connected to another GBS.  So, in



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  order to ensure that a particular BCE can be connected to the GBS,
  all respective parameters (e.g., ifCapStackTable, ifStackTable, and
  gBondPortCapCapacity) SHALL be inspected.

  The ifInvCapStackTable, also defined in the IF-CAP-STACK-MIB module,
  describes which higher-layer interfaces (e.g., GBS ports) can
  possibly be connected to a particular lower-layer interface (e.g.,
  BCE), providing inverted mapping of the ifCapStackTable.  While it
  contains no additional information beyond that already contained in
  the ifCapStackTable, the ifInvCapStackTable has the ifIndex values in
  its INDEX clause in the reverse order, i.e., the lower-layer
  interface first, and the higher-layer interface second, providing
  efficient means for a network management application to read a subset
  of the ifCapStackTable and thereby determine which interfaces can be
  connected to run on top of a particular interface.

4.1.2.  xDSL Bonding

  The G.998.x Bonding allows a number of BCEs to be aggregated onto a
  single logical GBS port by splitting the incoming traffic into
  multiple streams, transmitting each stream over a specific BCE, and
  combining the streams at the remote GBS port, preserving the original
  traffic order.

  The Ethernet frames MAY be fragmented before the transmission and
  reassembled at the remote end to minimize transportation delay.  The
  G.998.2 (G.Bond/Ethernet) ports with multiple BCEs MUST perform the
  fragmentation and reassembly of the Ethernet frames.  However, for
  single-BCE G.998.2 ports this function MAY be omitted (a.k.a. bonding
  bypass), to minimize fragmentation overhead and additional processing
  delay as well as to be able to interoperate with non-G.998 DSL
  equipment.

  The agent is REQUIRED to indicate all supported bonding schemes (for
  example, ATM, Ethernet, and TDIM), including OPTIONAL support for the
  bonding bypass in G.998.2 single-BCE ports.

  The GBOND-MIB module allows a network management application to query
  Bonding capability and enable/disable it if supported.  Note that
  enabling Bonding (by setting the value of the
  gBondPortConfAdminScheme and gBondPortConfPeerAdminScheme objects to
  any supported bonding scheme other than 'none') effectively turns on
  the fragmentation and reassembly function, even on a single-BCE port.








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4.1.3.  Discovery Operation

  The G.Bond ports may optionally support a discovery operation whereby
  BCEs, during initialization, exchange information about their
  respective aggregation groups (GBS), via the [G.994.1] handshake
  (G.hs) protocol.  This information can then be used to detect copper
  misconnections or for an automatic assignment of the local BCEs into
  aggregation groups instead of a fixed preconfiguration.

  The MIB module defined in this document allows a network management
  application to control the G.Bond discovery mechanism and query its
  results.

  Two tables are used by the G.Bond discovery mechanism: the
  ifStackTable and the ifCapStackTable.  The following pseudocode gives
  an example of the discovery and automatic BCE assignment for a
  generic multi-GBS G.Bond device, located at the Central Office (CO),
  using objects defined in this MIB module as well as the
  IF-CAP-STACK-MIB and IF-MIB modules [Note that automatic BCE
  assignment is only shown here for the purposes of the example.  Fixed
  BCE pre-assignment, manual assignment, or auto-assignment using an
  alternative internal algorithm may be chosen by a particular
  implementation]:

  // Go over all GBS ports in the CO device
  FOREACH gbs[i] IN CO_device
  { // Perform discovery and auto-assignment on GBS ports
    // with room for more channels.
    IF ( gbs[i].NumBCEs < gbs[i].BondCapacity )
    { // Assign a unique 6-octet local discovery code to the GBS,
      // e.g., MAC address of the associated port or some other
      // unique number specifically allocated for this purpose.
      dc = gbs[i].DiscoveryCode = MAC[i];
      // Go over all disconnected channels, which can
      // potentially be connected to the GBS.
      FOREACH bce[j] IN ifCapStackTable[gbs[i]] AND
                     NOT IN ifStackTable[gbs[i]]  // not connected
      { // Try to grab the Remote Terminal device (RT) by writing the
        // value of the local 6-byte discovery code to the remote
        // discovery code register (via a handshake mechanism).
        // This operation is an atomic Set-if-Clear action; i.e., it
        // would succeed only if the remote discovery register was
        // zero.  Read the remote discovery code register via a Get
        // operation to see if the RT, attached via the BCE,
        // is indeed marked as being the CO_device peer.
        bce[j].RemoteDiscoveryCode = dc;          // Set-if-Clear
        r = bce[j].RemoteDiscoveryCode;           // Get




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        IF ( r == dc AND gbs[i].NumBCEs < gbs[i].BondCapacity )
        { // RT connected via BCE[j] is/was a peer
          // for GBS[i], and there is room for another BCE in the
          // GBS[i] aggregation group (max. Bonding capacity is
          // not reached yet).
          // Connect this BCE to the GBS (via the ifStackTable; the
          // ifInvStackTable, which is the inverse of the ifStackTable,
          // is updated automatically; i.e., gbs[i] is auto-added
          // to ifInvStackTable[bce[j]]).
          ADD bce[j] TO ifStackTable[gbs[i]];
          gbs[i].NumBCEs = gbs[i].NumBCEs + 1;
          // Discover all other disconnected BCEs
          // attached to the same RT and connect them to
          // the GBS, provided there is enough room for more BCEs.
          FOREACH bce[k] IN ifCapStackTable[gbs[i]] and
                         NOT IN ifStackTable[gbs[i]]
          { // Get the remote discovery code from the BCE to see if
            // it belongs to a connected RT "grabbed" by
            // the CO_device.
            r = bce[k].RemoteDiscoveryCode;
            IF ( r == dc AND gbs[i].NumBCEs < gbs[i].BondCapacity )
            { // Physically connect the BCE to the GBS.
              // (gbs[i] is auto-added TO ifInvStackTable[bce[k]]).
              ADD bce[k] TO ifStackTable[gbs[i]];
              gbs[i].NumBCEs = gbs[i].NumBCEs + 1;
            }
          }
        }
        // At this point we have discovered all local BCEs that
        // are physically connected to the same RT and
        // connected them to GBS[i].  Go to the next GBS.
        BREAK;
      }
    }
  }

  An SNMP agent for a G.Bond device builds the ifCapStackTable and its
  inverse -- the ifInvCapStackTable -- on device initialization,
  according to the cross-connect capabilities of the device.

  Adding a BCE to the ifStackTable row for a specific GBS involves
  actual connection of the BCE to the GBS.









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  Note that a GBS port does not have to be operationally 'down' for the
  connection to succeed.  In fact, a dynamic BCE addition (and removal)
  MAY be implemented with an available BCE being initialized first (by
  setting its ifAdminStatus to 'up') and then added to an operationally
  'up' GBS port, by modifying a respective ifStackTable (and respective
  ifInvStackTable) entry.

  It is RECOMMENDED that removal of the last operationally 'up' BCE
  from an operationally 'up' GBS, i.e., modification of a respective
  entry in the ifStackTable, and a corresponding entry in the
  ifInvStackTable, would be rejected by the implementation (in the case
  of SNMP, with the error inconsistentValue), as this action would
  completely drop the link.

  In addition to the standard handshake-based discovery described
  above, [G.998.2] defines an optional frame-based discovery and pair
  management.  These frame-based methods are discussed in [RFC6767].

4.1.4.  Initialization of G.Bond Ports

  G.Bond ports built on top of xDSL technology require a lengthy
  initialization or 'training' process before any data can pass.
  During this initialization, both ends of a link (peers) work
  cooperatively to achieve a required data rate on a particular copper
  pair.  Sometimes, when the copper line is too long or the noise on
  the line is too high, that 'training' process may fail to achieve a
  specific target rate with required characteristics.

  The ifAdminStatus object from the IF-MIB controls the desired state
  of a GBS with all the BCEs connected to it or of an individual BCE
  port.  Setting this object to 'up' instructs a particular GBS or a
  BCE to start the initialization process, which may take tens of
  seconds for G.Bond ports.  The ifOperStatus object from the IF-MIB
  shows the operational state of an interface for the GBS, extended by
  the gBondPortStatFltStatus object defined in this document, and a
  corresponding *Status object from a relevant xDSL line MIB for BCE
  interfaces.

  A disconnected BCE may be initialized by changing the ifAdminStatus
  from 'down' to 'up'.  Changing the ifAdminStatus to 'up' on the GBS
  initializes all BCEs connected to that particular GBS.  Note that in
  the case of bonding, some interfaces may fail to initialize while
  others succeed.  The GBS is considered operationally 'up' if at least
  one bonded BCE is operationally 'up'.  When all BCEs connected to the
  GBS are 'down', the GBS SHALL be considered operationally
  'lowerLayerDown'.  The GBS SHALL be considered operationally





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  'notPresent' if it is not connected to any BCE.  The GBS/BCE
  interface SHALL remain operationally 'down' during initialization,
  indicated by the 'init' value of the gBondPortStatFltStatus object.

4.1.5.  Usage of the ifTable

  Both BCE and GBS interfaces are managed using interface-specific
  management objects defined in the GBOND-MIB module and generic
  interface objects from the ifTable of the IF-MIB, with all management
  table entries referenced by the interface index ifIndex.









































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  The following table summarizes G.Bond-specific interpretations for
  some of the ifTable objects specified by the mandatory
  ifGeneralInformationGroup:

  +---------------+---------------------------------------------------+
  | IF-MIB Object | G.Bond Interpretation                             |
  +---------------+---------------------------------------------------+
  | ifIndex       | Interface index.  Note that each BCE and each GBS |
  |               | in the G.Bond PHY MUST have a unique index, as    |
  |               | there are some GBS- and BCE-specific attributes   |
  |               | accessible only on the GBS or BCE level.          |
  +---------------+---------------------------------------------------+
  | ifType        | g9981(263), g9982(264), or g9983(265) for the     |
  |               | ATM, Ethernet, or TDIM GBS, respectively;         |
  |               | shdsl(169) for the G.SHDSL BCE, vdsl(97) for the  |
  |               | VDSL BCE, etc.                                    |
  +---------------+---------------------------------------------------+
  | ifSpeed       | Operating data rate for the BCE.  For the GBS, it |
  |               | is the sum of the current operating data rates of |
  |               | all BCEs in the aggregation group, without the    |
  |               | encapsulation overhead and G.Bond overhead, but   |
  |               | accounting for Inter-Frame Gaps (IFG).  When a    |
  |               | GBS or a BCE is operating in an asymmetrical      |
  |               | fashion (the upstream data rate differs from the  |
  |               | downstream one), the lowest of the values is      |
  |               | shown.                                            |
  +---------------+---------------------------------------------------+
  | ifAdminStatus | Setting this object to 'up' instructs a           |
  |               | particular GBS (with all BCEs connected to it) or |
  |               | a BCE to start the initialization process.        |
  +---------------+---------------------------------------------------+
  | ifOperStatus  | A relevant *Status object from a particular line  |
  |               | MIB supplements the value of ifOperStatus for     |
  |               | BCEs.  gBondPortStatFltStatus supplements the     |
  |               | value of ifOperStatus for a GBS.  Note that both  |
  |               | relevant objects shall be inspected to determine  |
  |               | the real operational status of a BCE/GBS port,    |
  |               | e.g., a GBS port may be operationally 'up' with   |
  |               | gBondPortStatFltStatus indicating lowRate(4)      |
  |               | fault condition, or 'down' with no gBond faults.  |
  +---------------+---------------------------------------------------+

            Table 1: G.Bond Interpretation of IF-MIB Objects








Beili & Morgenstern          Standards Track                   [Page 12]

RFC 6765                       G.Bond MIB                  February 2013


4.2.  Relationship to G.Bond ATM, ETH, and TDIM MIB Modules

  The MIB module defined in this document is common to all G.998
  bonding schemes.  It MUST be used in conjunction with a bonding
  scheme-specific MIB module:

  o  G9981-MIB [RFC6768] for a G.998.1 bonded interface.

  o  G9982-MIB [RFC6767] for a G.998.2 bonded interface.

  o  G9983-MIB [RFC6766] for a G.998.3 bonded interface.

4.3.  Relationship to xDSL MIB Modules

  Each xDSL technology is described in a relevant xDSL line MIB module:
  e.g., the HDSL2-SHDSL-LINE-MIB [RFC4319] for G.SHDSL,
  ADSL-LINE-EXT-MIB [RFC3440] for ADSL, ADSL2-LINE-MIB [RFC4706] for
  ADSL2, VDSL-LINE-MIB [RFC3728] for VDSL, or VDSL2-LINE-MIB [RFC5650]
  for VDSL2.

  These MIB modules are used to manage individual xDSL lines/channels
  (BCEs).

4.4.  Addition of New Bonding Schemes

  In case a new bonding scheme is introduced in a revision of G.998,
  IANA can update the IANA-maintained MIB module, adding the
  corresponding new value to the IANAgBondScheme and
  IANAgBondSchemeList textual conventions, as well as listing the new
  scheme-specific MIB module's name (e.g., G998x-MIB).

  Any scheme-specific aspect of an existing GBOND-MIB object SHALL be
  described in the corresponding G998x-MIB module, to prevent an
  unnecessary reissue of the GBOND-MIB module.  For example, an exact
  definition of an Errored Second (ES) or a Severely Errored Second
  (SES) can be bonding-scheme specific; see the definitions for the
  gBondPortPmCurES and gBondPortPmCurSES objects.

5.  MIB Structure

5.1.  Overview

  The main management objects defined in the GBOND-MIB module are split
  into 2 groups, structured as recommended by RFC 4181 [RFC4181]:

  o  gBondPort - containing objects for configuration, capabilities,
     status, historical Performance Monitoring, and notifications,
     common to all G.Bond ports (GBS).



Beili & Morgenstern          Standards Track                   [Page 13]

RFC 6765                       G.Bond MIB                  February 2013


  o  gBondBce - containing a single common object for configuration of
     the remote discovery code per BCE.  Note that the rest of the
     objects for BCE configuration, capabilities, status, and
     notifications are located in relevant xDSL line MIB modules as
     well as in the bonding scheme-specific MIB modules.

5.2.  Performance Monitoring

  The OPTIONAL Performance Monitoring counters, thresholds, and history
  buckets (interval-counters) defined in [TR-159] are implemented using
  the textual conventions defined in the HC-PerfHist-TC-MIB [RFC3705].
  The HC-PerfHist-TC-MIB defines 64-bit versions of the textual
  conventions found in the PerfHist-TC-MIB [RFC3593].

  The agent SHOULD align the beginning of each interval to a fifteen-
  minute boundary of a wall clock.  Likewise, the beginning of each
  one-day interval SHOULD be aligned with the start of a day.

  The rationale behind this is to simplify collection and analysis of
  Performance Monitoring (PM) from multiple agents by a network
  management system (NMS) -- each PM interval can be "time-stamped"
  using the gBond*IntervalIndex object, from the fact that the 1-day
  interval starts at 00:00 and the 15-minute intervals are aligned with
  each 1/4 hour and the network-wide "wall clock", typically
  distributed via NTP or the Simple Network Time Protocol (SNTP)
  [RFC5905].  If the agent does not have access to the wall clock, a
  local clock can be used.  In this case, as well as when coping with
  multiple time zones, the NMS would have to correlate the difference
  between the agent's local clock (available, for example, via the
  hrSystemDate object from the HOST-RESOURCES-MIB [RFC2790]) and the
  wall clock.

  Counters are not reset when a GBS is re-initialized, but rather only
  when the agent is reset or re-initialized.

  Note that the accumulation of certain performance events for a
  monitored entity is inhibited (counting stops) during periods of
  service unavailability on that monitored entity.  The DESCRIPTION
  clause of Performance Monitoring counters in this MIB module
  specifies which of the counters are inhibited during periods of
  service unavailability.

5.3.  Mapping of Broadband Forum TR-159 Managed Objects

  This section contains the mapping between relevant managed objects
  (attributes) defined in [TR-159] and managed objects defined in this
  document and in associated MIB modules, i.e., the IF-MIB [RFC2863].




Beili & Morgenstern          Standards Track                   [Page 14]

RFC 6765                       G.Bond MIB                  February 2013


+--------------------------------+------------------------------------+
| G.Bond Managed Object          | Corresponding SNMP Object          |
+--------------------------------+------------------------------------+
| oBondingGroup - Basic Package  |                                    |
| (Mandatory)                    |                                    |
+--------------------------------+------------------------------------+
| aGroupID                       | ifIndex (IF-MIB)                   |
+--------------------------------+------------------------------------+
| aGroupBondSchemesSupported     | gBondPortCapSchemesSupported       |
+--------------------------------+------------------------------------+
| aGroupPeerBondSchemesSupported | gBondPortCapPeerSchemesSupported   |
+--------------------------------+------------------------------------+
| aGroupAdminBondScheme          | gBondPortConfAdminScheme           |
+--------------------------------+------------------------------------+
| aGroupPeerAdminBondScheme      | gBondPortConfPeerAdminScheme       |
+--------------------------------+------------------------------------+
| aGroupOperBondScheme           | gBondPortStatOperScheme            |
+--------------------------------+------------------------------------+
| aGroupPeerOperBondScheme       | gBondPortStatPeerOperScheme        |
+--------------------------------+------------------------------------+
| aGroupEnd                      | gBondPortStatSide                  |
+--------------------------------+------------------------------------+
| aGroupOperState                | ifOperStatus (IF-MIB)              |
+--------------------------------+------------------------------------+
| aGroupAdminState               | ifAdminStatus (IF-MIB)             |
+--------------------------------+------------------------------------+
| aGroupStatus                   | gBondPortStatFltStatus             |
+--------------------------------+------------------------------------+
| aGroupCapacity                 | gBondPortCapCapacity               |
+--------------------------------+------------------------------------+
| aGroupPeerCapacity             | gBondPortCapPeerCapacity           |
+--------------------------------+------------------------------------+
| aGroupNumChannels              | gBondPortStatNumBCEs               |
+--------------------------------+------------------------------------+
| aGroupName                     | ifName (IF-MIB)                    |
+--------------------------------+------------------------------------+
| aGroupDiscoveryCode            | gBondPortConfDiscoveryCode         |
+--------------------------------+------------------------------------+
| aGroupUpRate                   | gBondPortStatUpDataRate            |
+--------------------------------+------------------------------------+
| aGroupDownRate                 | gBondPortStatDnDataRate            |
+--------------------------------+------------------------------------+
| aGroupTargetUpRate             | gBondPortConfTargetUpDataRate      |
+--------------------------------+------------------------------------+
| aGroupTargetDownRate           | gBondPortConfTargetDnDataRate      |
+--------------------------------+------------------------------------+
| aGroupThreshLowUpRate          | gBondPortConfThreshLowUpRate       |
+--------------------------------+------------------------------------+



Beili & Morgenstern          Standards Track                   [Page 15]

RFC 6765                       G.Bond MIB                  February 2013


+--------------------------------+------------------------------------+
| aGroupThreshLowDownRate        | gBondPortConfThreshLowDnRate       |
+--------------------------------+------------------------------------+
| aGroupLowRateCrossingEnable    | gBondPortConfLowRateCrossingEnable |
+--------------------------------+------------------------------------+
| nGroupLowUpRateCrossing        | gBondLowUpRateCrossing             |
+--------------------------------+------------------------------------+
| nGroupLowDownRateCrossing      | gBondLowDnRateCrossing             |
+--------------------------------+------------------------------------+
| aGroupLinkUpDownEnable         | ifLinkUpDownTrapEnable (IF-MIB)    |
+--------------------------------+------------------------------------+
| nGroupLinkUp                   | linkUp (IF-MIB)                    |
+--------------------------------+------------------------------------+
| nGroupLinkDown                 | linkDown (IF-MIB)                  |
+--------------------------------+------------------------------------+
| oBondingGroup - PM Package     |                                    |
| (Optional)                     |                                    |
+--------------------------------+------------------------------------+
| aGroupPerfES                   | gBondPortPmCurES                   |
+--------------------------------+------------------------------------+
| aGroupPerfSES                  | gBondPortPmCurSES                  |
+--------------------------------+------------------------------------+
| aGroupPerfUAS                  | gBondPortPmCurUAS                  |
+--------------------------------+------------------------------------+
| aGroupPerf15MinValidIntervals  | gBondPortPmCur15MinValidIntervals  |
+--------------------------------+------------------------------------+
| aGroupPerf15MinInvalidIntervals| gBondPortPmCur15MinInvalidIntervals|
+--------------------------------+------------------------------------+
| aGroupPerfCurr15MinTimeElapsed | gBondPortPmCur15MinTimeElapsed     |
+--------------------------------+------------------------------------+
| aGroupPerfCurr15MinES          | gBondPortPmCur15MinES              |
+--------------------------------+------------------------------------+
| aGroupPerfCurr15MinSES         | gBondPortPmCur15MinSES             |
+--------------------------------+------------------------------------+
| aGroupPerfCurr15MinUAS         | gBondPortPmCur15MinUAS             |
+--------------------------------+------------------------------------+
| aGroupPerfTcaEnable            | gBondPortConfPmTcaEnable           |
+--------------------------------+------------------------------------+
| aGroupPerfThreshold15MinES     | gBondPortPmTcaProfileThresh15MinES |
+--------------------------------+------------------------------------+
| aGroupPerfThreshold15MinSES    | gBondPortPmTcaProfileThresh15MinSES|
+--------------------------------+------------------------------------+
| aGroupPerfThreshold15MinUAS    | gBondPortPmTcaProfileThresh15MinUAS|
+--------------------------------+------------------------------------+
| nGroupPerfTca15MinES           | gBondPmTca15MinESCrossing          |
+--------------------------------+------------------------------------+
| nGroupPerfTca15MinSES          | gBondPmTca15MinSESCrossing         |
+--------------------------------+------------------------------------+



Beili & Morgenstern          Standards Track                   [Page 16]

RFC 6765                       G.Bond MIB                  February 2013


+--------------------------------+------------------------------------+
| nGroupPerfTca15MinUAS          | gBondPmTca15MinUASCrossing         |
+--------------------------------+------------------------------------+
| aGroupPerf1DayValidIntervals   | gBondPortPmCur1DayValidIntervals   |
+--------------------------------+------------------------------------+
| aGroupPerf1DayInvalidIntervals | gBondPortPmCur1DayInvalidIntervals |
+--------------------------------+------------------------------------+
| aGroupPerfCurr1DayTimeElapsed  | gBondPortPmCur1DayTimeElapsed      |
+--------------------------------+------------------------------------+
| aGroupPerfCurr1DayES           | gBondPortPmCur1DayIntervalES       |
+--------------------------------+------------------------------------+
| aGroupPerfCurr1DaySES          | gBondPortPmCur1DayIntervalSES      |
+--------------------------------+------------------------------------+
| aGroupPerfCurr1DayUAS          | gBondPortPmCur1DayIntervalUAS      |
+--------------------------------+------------------------------------+
| aGroupPerfThreshold1DayES      | gBondPortPmTcaProfileThresh1DayES  |
+--------------------------------+------------------------------------+
| aGroupPerfThreshold1DaySES     | gBondPortPmTcaProfileThresh1DaySES |
+--------------------------------+------------------------------------+
| aGroupPerfThreshold1DayUAS     | gBondPortPmTcaProfileThresh1DayUAS |
+--------------------------------+------------------------------------+
| nGroupPerfTca1DayES            | gBondPmTca1DayESCrossing           |
+--------------------------------+------------------------------------+
| nGroupPerfTca1DaySES           | gBondPmTca1DaySESCrossing          |
+--------------------------------+------------------------------------+
| nGroupPerfTca1DayUAS           | gBondPmTca1DayUASCrossing          |
+--------------------------------+------------------------------------+
| aGroupPerf15MinIntervalNumber  | gBondPortPm15MinIntervalIndex      |
+--------------------------------+------------------------------------+
| aGroupPerf15MinIntervalValid   | gBondPortPm15MinIntervalValid      |
+--------------------------------+------------------------------------+
| aGroupPerf15MinIntervalES      | gBondPortPm15MinIntervalES         |
+--------------------------------+------------------------------------+
| aGroupPerf15MinIntervalSES     | gBondPortPm15MinIntervalSES        |
+--------------------------------+------------------------------------+
| aGroupPerf15MinIntervalUAS     | gBondPortPm15MinIntervalUAS        |
+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalNumber   | gBondPortPm1DayIntervalIndex       |
+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalValid    | gBondPortPm1DayIntervalValid       |
+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalMoniSecs | gBondPortPm1DayIntervalMoniTime    |
+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalES       | gBondPortPm1DayIntervalES          |
+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalSES      | gBondPortPm1DayIntervalSES         |
+--------------------------------+------------------------------------+




Beili & Morgenstern          Standards Track                   [Page 17]

RFC 6765                       G.Bond MIB                  February 2013


+--------------------------------+------------------------------------+
| aGroupPerf1DayIntervalUAS      | gBondPortPm1DayIntervalUAS         |
+--------------------------------+------------------------------------+
| oLine - Basic Package          |                                    |
| (Mandatory)                    |                                    |
+--------------------------------+------------------------------------+
| aLineID                        | ifIndex (IF-MIB)                   |
+--------------------------------+------------------------------------+
| aLineType                      | ifType (IF-MIB)                    |
+--------------------------------+------------------------------------+
| aLineOperState                 | ifOperStatus (IF-MIB)              |
+--------------------------------+------------------------------------+
| aLineStatus                    | *dsl*CurrStatus (*DSL-LINE-MIB)    |
+--------------------------------+------------------------------------+
| aLineEnd                       | *dsl*Side (*DSL-LINE-MIB)          |
+--------------------------------+------------------------------------+
| aLineAdminState                | ifAdminStatus (IF-MIB)             |
+--------------------------------+------------------------------------+
| aLineRemoteDiscoveryCode       | gBondBceConfRemoteDiscoveryCode    |
+--------------------------------+------------------------------------+
| aLineUpDownEnable              | ifLinkUpDownTrapEnable (IF-MIB)    |
+--------------------------------+------------------------------------+
| nLineUp                        | LinkUp (IF-MIB)                    |
+--------------------------------+------------------------------------+
| nLineDown                      | LinkDown (IF-MIB)                  |
+--------------------------------+------------------------------------+
| oChannel - Basic Package       |                                    |
| (Mandatory)                    |                                    |
+--------------------------------+------------------------------------+
| aChannelID                     | ifIndex (IF-MIB)                   |
+--------------------------------+------------------------------------+
| aChannelGroupID                |                                    |
+--------------------------------+------------------------------------+
| aChannelType                   | ifType (IF-MIB)                    |
+--------------------------------+------------------------------------+
| aChannelOperState              | ifOperStatus (IF-MIB)              |
+--------------------------------+------------------------------------+
| aChannelStatus                 | *dsl*CurrStatus (*DSL-LINE-MIB),   |
|                                | xdsl2ChStatus*Status               |
|                                | (VDSL2-LINE-MIB)                   |
+--------------------------------+------------------------------------+

                Table 2: Mapping of TR-159 Managed Objects








Beili & Morgenstern          Standards Track                   [Page 18]

RFC 6765                       G.Bond MIB                  February 2013


6.  xDSL Multi-Pair Bonding MIB Definitions

  The GBOND-MIB module IMPORTS objects from SNMPv2-SMI [RFC2578],
  SNMPv2-TC [RFC2579], SNMPv2-CONF [RFC2580], SNMP-FRAMEWORK-MIB
  [RFC3411], IF-MIB [RFC2863], and HC-PerfHist-TC-MIB [RFC3705].
  The module has been structured as recommended by [RFC4181].

GBOND-MIB DEFINITIONS ::= BEGIN

 IMPORTS
   MODULE-IDENTITY,
   OBJECT-TYPE,
   NOTIFICATION-TYPE,
   mib-2,
   Unsigned32,
   Gauge32
     FROM SNMPv2-SMI           -- RFC 2578
   TEXTUAL-CONVENTION,
   TruthValue,
   RowStatus,
   PhysAddress
     FROM SNMPv2-TC            -- RFC 2579
   MODULE-COMPLIANCE,
   OBJECT-GROUP,
   NOTIFICATION-GROUP
     FROM SNMPv2-CONF          -- RFC 2580
   SnmpAdminString
     FROM SNMP-FRAMEWORK-MIB   -- RFC 3411
   ifIndex
     FROM IF-MIB               -- RFC 2863
   HCPerfCurrentCount,
   HCPerfIntervalCount,
   HCPerfIntervalThreshold,
   HCPerfValidIntervals,
   HCPerfInvalidIntervals,
   HCPerfTimeElapsed,
   HCPerfTotalCount
     FROM  HC-PerfHist-TC-MIB  -- RFC 3705
   IANAgBondScheme,
   IANAgBondSchemeList
     FROM  IANA-GBOND-TC-MIB
   ;
------------------------------------------------------------------------








Beili & Morgenstern          Standards Track                   [Page 19]

RFC 6765                       G.Bond MIB                  February 2013


 gBondMIB MODULE-IDENTITY
   LAST-UPDATED "201302200000Z"  -- 20 February 2013
   ORGANIZATION "IETF ADSL MIB Working Group"
   CONTACT-INFO
     "WG charter:
       http://datatracker.ietf.org/wg/adslmib/charter/

     Mailing Lists:
       General Discussion: [email protected]
       To Subscribe: [email protected]
       In Body: subscribe your_email_address

      Chair: Menachem Dodge
     Postal: ECI Telecom, Ltd.
             30 Hasivim St.
             Petach-Tikva  4951169
             Israel
      Phone: +972-3-926-8421
      EMail: [email protected]

     Editor: Edward Beili
     Postal: Actelis Networks, Inc.
             25 Bazel St., P.O.B. 10173
             Petach-Tikva  49103
             Israel
      Phone: +972-3-924-3491
      EMail: [email protected]

     Editor: Moti Morgenstern
     Postal: ECI Telecom
             30 Hasivim St.
             Petach-Tikva  4951169
             Israel
      Phone: +972-3-926-6258
      EMail: [email protected]"

   DESCRIPTION
     "The objects in this MIB module are used to manage the
     multi-pair bonded xDSL interfaces, as defined in ITU-T
     Recommendations G.998.1, G.998.2, and G.998.3.

     This MIB module MUST be used in conjunction with a bonding
     scheme-specific MIB module, that is, G9981-MIB, G9982-MIB,
     or G9983-MIB.







Beili & Morgenstern          Standards Track                   [Page 20]

RFC 6765                       G.Bond MIB                  February 2013


     The following references are used throughout this MIB module:

     [G.998.1] refers to:
       ITU-T Recommendation G.998.1: 'ATM-based multi-pair bonding',
       January 2005.

     [G.998.2] refers to:
       ITU-T Recommendation G.998.2: 'Ethernet-based multi-pair
       bonding', January 2005.

     [G.998.3] refers to:
       ITU-T Recommendation G.998.3: 'Multi-pair bonding using
       time-division inverse multiplexing', January 2005.

     [TR-159] refers to:
       Broadband Forum Technical Report: 'Management Framework for
       xDSL Bonding', December 2008.

     Naming Conventions:
       BCE   - Bonding Channel Entity
       BTU   - Bonding Terminating Unit
       BTU-C - Bonding Terminating Unit, CO side
       BTU-R - Bonding Terminating Unit, Remote Terminal (CPE) side
       CO    - Central Office
       CPE   - Customer Premises Equipment
       GBS   - Generic Bonding Sub-layer
       PM    - Performance Monitoring
       SNR   - Signal to Noise Ratio
       TCA   - Threshold Crossing Alert

    Copyright (c) 2013 IETF Trust and the persons identified as
    authors of the code.  All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, is permitted pursuant to, and subject to the license
    terms contained in, the Simplified BSD License set forth in Section
    4.c of the IETF Trust's Legal Provisions Relating to IETF Documents
    (http://trustee.ietf.org/license-info)."

   REVISION    "201302200000Z"  -- 20 February 2013
   DESCRIPTION "Initial version, published as RFC 6765."

   ::= { mib-2 211 }

  -- Sections of the module
  -- Structured as recommended by RFC 4181, Appendix D





Beili & Morgenstern          Standards Track                   [Page 21]

RFC 6765                       G.Bond MIB                  February 2013


  gBondObjects     OBJECT IDENTIFIER ::= { gBondMIB 1 }

  gBondConformance OBJECT IDENTIFIER ::= { gBondMIB 2 }

  -- Groups in the module

  gBondPort        OBJECT IDENTIFIER ::= { gBondObjects 1 }

  gBondBce         OBJECT IDENTIFIER ::= { gBondObjects 2 }

  -- Textual Conventions

  GBondPm1DayIntervalThreshold ::= TEXTUAL-CONVENTION
    DISPLAY-HINT "d"
    STATUS      current
    DESCRIPTION
      "This textual convention defines a range of values that may be
      set in a fault threshold alarm control for a 1-day Performance
      Monitoring interval.
      As the number of seconds in a 1-day interval numbers at most
      86400, objects of this type may have a range of 0...86400,
      where the value of 0 disables the alarm."
    SYNTAX      Unsigned32 (0..86400)


  -- Port Notifications group

  gBondPortNotifications OBJECT IDENTIFIER ::= { gBondPort 0 }

  gBondLowUpRateCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortStatUpDataRate,
      gBondPortConfThreshLowUpRate
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the G.Bond port's upstream
      data rate has reached/dropped below or exceeded the low
      upstream rate threshold, specified by
      gBondPortConfThreshLowUpRate.

      This notification MAY be sent for the -O subtype ports
      while the port is 'up', on the crossing event in both
      directions: from normal (rate is above the threshold) to low
      (rate equals the threshold or is below it) and from low to
      normal.  This notification is not applicable to the -R
      subtypes.



Beili & Morgenstern          Standards Track                   [Page 22]

RFC 6765                       G.Bond MIB                  February 2013


      It is RECOMMENDED that a small debouncing period of 2.5 sec,
      between the detection of the condition and notification,
      be implemented to prevent simultaneous LinkUp/LinkDown and
      gBondLowUpRateCrossing notifications from being sent.

      The adaptive nature of the G.Bond technology allows the port
      to adapt itself to the changes in the copper environment;
      e.g., an impulse noise, alien crosstalk, or a
      micro-interruption may temporarily drop one or more BCEs in
      the aggregation group, causing a rate degradation of the
      aggregated G.Bond link.  The dropped BCEs would then try to
      re-initialize, possibly at a lower rate than before, adjusting
      the rate to provide the required target SNR margin.

      Generation of this notification is controlled by the
      gBondPortConfLowRateCrossingEnable object.

      This object maps to the TR-159 notification
      nGroupLowUpRateCrossing."
    REFERENCE
      "[TR-159], Section 5.5.1.24"
    ::= { gBondPortNotifications 1 }

  gBondLowDnRateCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortStatDnDataRate,
      gBondPortConfThreshLowDnRate
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the G.Bond port's downstream
      data rate has reached/dropped below or exceeded the low
      downstream rate threshold, specified by
      gBondPortConfThreshLowDnRate.

      This notification MAY be sent for the -O subtype ports
      while the port is 'up', on the crossing event in both
      directions: from normal (rate is above the threshold) to low
      (rate equals the threshold or is below it) and from low to
      normal.  This notification is not applicable to the -R
      subtypes.

      It is RECOMMENDED that a small debouncing period of 2.5 sec,
      between the detection of the condition and notification,
      be implemented to prevent simultaneous LinkUp/LinkDown and
      gBondLowDnRateCrossing notifications from being sent.




Beili & Morgenstern          Standards Track                   [Page 23]

RFC 6765                       G.Bond MIB                  February 2013


      The adaptive nature of the G.Bond technology allows the port
      to adapt itself to the changes in the copper environment;
      e.g., an impulse noise, alien crosstalk, or a
      micro-interruption may temporarily drop one or more BCEs in
      the aggregation group, causing a rate degradation of the
      aggregated G.Bond link.  The dropped BCEs would then try to
      re-initialize, possibly at a lower rate than before,
      adjusting the rate to provide the required target SNR margin.

      Generation of this notification is controlled by the
      gBondPortConfLowRateCrossingEnable object.

      This object maps to the TR-159 notification
      nGroupLowDownRateCrossing."
    REFERENCE
      "[TR-159], Section 5.5.1.25"
    ::= { gBondPortNotifications 2}

  gBondPmTca15MinESCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur15MinES,
      gBondPortPmTcaProfileThresh15MinES
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the Errored Seconds threshold,
      specified by gBondPortPmTcaProfileThresh15MinES, has been
      reached or exceeded for the GBS port.

      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh15MinES objects.

      This object maps to the TR-159 notification
      nGroupPerfTca15MinES."
    REFERENCE
      "[TR-159], Section 5.5.1.42"
    ::= { gBondPortNotifications 3}

  gBondPmTca15MinSESCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur15MinSES,
      gBondPortPmTcaProfileThresh15MinSES
    }
    STATUS      current




Beili & Morgenstern          Standards Track                   [Page 24]

RFC 6765                       G.Bond MIB                  February 2013


    DESCRIPTION
      "This notification indicates that the Severely Errored Seconds
      threshold, specified by gBondPortPmTcaProfileThresh15MinSES,
      has been reached or exceeded for the GBS port.

      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh15MinSES objects.

      This object maps to the TR-159 notification
      nGroupPerfTca15MinSES."
    REFERENCE
      "[TR-159], Section 5.5.1.43"
    ::= { gBondPortNotifications 4}

  gBondPmTca15MinUASCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur15MinUAS,
      gBondPortPmTcaProfileThresh15MinUAS
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the Unavailable Seconds
      threshold, specified by gBondPortPmTcaProfileThresh15MinUAS,
      has been reached or exceeded for the GBS port.

      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh15MinUAS objects.

      This object maps to the TR-159 notification
      nGroupPerfTca15MinUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.44"
    ::= { gBondPortNotifications 5}

  gBondPmTca1DayESCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur1DayES,
      gBondPortPmTcaProfileThresh1DayES
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the Errored Seconds threshold,
      specified by gBondPortPmTcaProfileThresh1DayES, has been
      reached or exceeded for the GBS port.



Beili & Morgenstern          Standards Track                   [Page 25]

RFC 6765                       G.Bond MIB                  February 2013


      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh1DayES objects.

      This object maps to the TR-159 notification
      nGroupPerfTca1DayES."
    REFERENCE
      "[TR-159], Section 5.5.1.54"
    ::= { gBondPortNotifications 6}

  gBondPmTca1DaySESCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur1DaySES,
      gBondPortPmTcaProfileThresh1DaySES
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the Severely Errored Seconds
      threshold, specified by gBondPortPmTcaProfileThresh1DaySES,
      has been reached or exceeded for the GBS port.

      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh1DaySES objects.

      This object maps to the TR-159 notification
      nGroupPerfTca1DaySES."
    REFERENCE
      "[TR-159], Section 5.5.1.55"
    ::= { gBondPortNotifications 7}

  gBondPmTca1DayUASCrossing NOTIFICATION-TYPE
    OBJECTS {
      -- ifIndex is not needed here, since we are under specific GBS
      gBondPortPmCur1DayUAS,
      gBondPortPmTcaProfileThresh1DayUAS
    }
    STATUS      current
    DESCRIPTION
      "This notification indicates that the Unavailable Seconds
      threshold, specified by gBondPortPmTcaProfileThresh1DayUAS,
      has been reached or exceeded for the GBS port.

      Generation of this notification is controlled by the
      gBondPortConfPmTcaEnable and
      gBondPortPmTcaProfileThresh1DayUAS objects.




Beili & Morgenstern          Standards Track                   [Page 26]

RFC 6765                       G.Bond MIB                  February 2013


      This object maps to the TR-159 notification
      nGroupPerfTca1DayUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.56"
    ::= { gBondPortNotifications 8}

  -- G.Bond Port (GBS) group

  gBondPortConfTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortConfEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "Table for configuration of G.Bond GBS ports.  Entries in this
      table MUST be maintained in a persistent manner."
    ::= { gBondPort 1 }

  gBondPortConfEntry OBJECT-TYPE
    SYNTAX      GBondPortConfEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port Configuration table.
      Each entry represents a G.Bond port indexed by the ifIndex.
      Note that a G.Bond GBS port runs on top of a single
      or multiple BCE port(s), which are also indexed by the ifIndex."
    INDEX  { ifIndex }
    ::= { gBondPortConfTable 1 }

  GBondPortConfEntry ::=
    SEQUENCE {
      gBondPortConfAdminScheme              IANAgBondScheme,
      gBondPortConfPeerAdminScheme          IANAgBondScheme,
      gBondPortConfDiscoveryCode            PhysAddress,
      gBondPortConfTargetUpDataRate         Unsigned32,
      gBondPortConfTargetDnDataRate         Unsigned32,
      gBondPortConfThreshLowUpRate          Unsigned32,
      gBondPortConfThreshLowDnRate          Unsigned32,
      gBondPortConfLowRateCrossingEnable    TruthValue,
      gBondPortConfPmTcaConfProfile         SnmpAdminString,
      gBondPortConfPmTcaEnable              TruthValue
    }

  gBondPortConfAdminScheme  OBJECT-TYPE
    SYNTAX      IANAgBondScheme
    MAX-ACCESS  read-write
    STATUS      current




Beili & Morgenstern          Standards Track                   [Page 27]

RFC 6765                       G.Bond MIB                  February 2013


    DESCRIPTION
      "A desired bonding scheme for a G.Bond GBS port.
      The following values instruct the port to use the corresponding
      bonding scheme if supported:
        none(0)       - instructs the port not to use bonding
                        (only on a single-BCE G.998.2 GBS)
        g9981(1)      - instructs the port to use G.998.1 bonding
        g9982(2)      - instructs the port to use G.998.2 bonding
        g9983(3)      - instructs the port to use G.998.3 bonding

      Changing of the gBondPortConfAdminScheme object MUST be
      performed when the link is administratively 'down', as indicated
      by the ifAdminStatus object in the IF-MIB.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), if the link is 'up' or
      initializing.  Attempts to change this object to an unsupported
      bonding scheme (see gBondPortCapSchemesSupported) SHALL be
      rejected (in the case of SNMP, with the error wrongValue).
      Setting this object to the value of 'none' must be rejected for
      GBS ports with multiple BCEs (with the error inconsistentValue).

      This object maps to the TR-159 attribute aGroupAdminBondScheme."
    REFERENCE
      "[TR-159], Section 5.5.1.6; RFC 2863, IF-MIB, ifAdminStatus"
    ::= { gBondPortConfEntry 1 }

  gBondPortConfPeerAdminScheme  OBJECT-TYPE
    SYNTAX      IANAgBondScheme
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "A desired bonding scheme for a peer (link partner) G.Bond
      port (GBS).
      The following values instruct the peer port to use the
      corresponding bonding scheme if supported:
        none(0)       - instructs the port not to use bonding
                        (only on a single-BCE G.998.2 GBS)
        g9981(1)      - instructs the port to use G.998.1 bonding
        g9982(2)      - instructs the port to use G.998.2 bonding
        g9983(3)      - instructs the port to use G.998.3 bonding

      Changing of this object MUST be performed when the link is
      administratively 'down', as indicated by the ifAdminStatus
      object in the IF-MIB.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), if the link is 'up' or
      initializing.  Attempts to change this object to an unsupported
      bonding scheme (see gBondPortCapPeerSchemesSupported) SHALL be



Beili & Morgenstern          Standards Track                   [Page 28]

RFC 6765                       G.Bond MIB                  February 2013


      rejected (in the case of SNMP, with the error wrongValue).
      Setting this object to the value of 'none' must be rejected for
      GBS ports with multiple BCEs (with the error inconsistentValue).

      This object maps to the TR-159 attribute
      aGroupPeerAdminBondScheme."
    REFERENCE
      "[TR-159], Section 5.5.1.7; RFC 2863, IF-MIB, ifAdminStatus"
    ::= { gBondPortConfEntry 2 }

  gBondPortConfDiscoveryCode  OBJECT-TYPE
    SYNTAX      PhysAddress (SIZE (6))
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "A discovery code of the G.Bond port (GBS).
      A unique 6-octet-long code used by the Discovery function.
      This object MUST be instantiated for the -O subtype GBS before
      write operations on the gBondBceConfRemoteDiscoveryCode
      (Set_if_Clear and Clear_if_Same) are performed by BCEs
      associated with the GBS.
      The initial value of this object for -R subtype ports after
      reset is all zeroes.  For -R subtype ports, the value of this
      object cannot be changed directly.  This value may be changed
      as a result of a write operation on the
      gBondBceConfRemoteDiscoveryCode object of a remote BCE of -O
      subtype, connected to one of the local BCEs associated with
      the GBS.

      Discovery MUST be performed when the link is administratively
      'down', as indicated by the ifAdminStatus object in the IF-MIB.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), if the link is 'up' or
      initializing.

      This object maps to the TR-159 attribute
      aGroupDiscoveryCode."
    REFERENCE
      "[TR-159], Section 5.5.1.20; [802.3], Sections 61.2.2.8.3,
      61.2.2.8.4, 45.2.6.6.1, 45.2.6.8, 61A.2;
      RFC 2863, IF-MIB, ifAdminStatus"
    ::= { gBondPortConfEntry 3 }

  gBondPortConfTargetUpDataRate  OBJECT-TYPE
    SYNTAX      Unsigned32 (0|1..10000000)
    UNITS       "Kbps"
    MAX-ACCESS  read-write
    STATUS      current



Beili & Morgenstern          Standards Track                   [Page 29]

RFC 6765                       G.Bond MIB                  February 2013


    DESCRIPTION
      "A desired G.Bond port data rate in the upstream direction,
      in Kbps, to be achieved during initialization, under
      restrictions placed upon the member BCEs by their respective
      configuration settings.
      This object represents a sum of individual BCE upstream data
      rates, modified to compensate for fragmentation and
      encapsulation overhead (e.g., for an Ethernet service, the
      target data rate of 10 Mbps SHALL allow lossless transmission
      of full-duplex 10-Mbps Ethernet frame stream with minimal
      inter-frame gap).
      Note that the target upstream data rate may not be achieved
      during initialization (e.g., due to unavailability of required
      BCEs) or the initial bandwidth could deteriorate, so that the
      actual upstream data rate (gBondPortStatUpDataRate) could be less
      than gBondPortConfTargetUpDataRate.

      The value is limited above by 10 Gbps, to accommodate very
      high speed bonded xDSL interfaces (e.g., 32 x 100 Mbps).

      The value between 1 and 10000000 indicates that the total
      upstream data rate of the G.Bond port after initialization
      SHALL be equal to the target data rate or less, if the target
      upstream data rate cannot be achieved under the restrictions
      configured for BCEs.  In cases where the copper environment
      allows a higher upstream data rate to be achieved than that
      specified by this object, the excess capability SHALL be
      either converted to an additional SNR margin or reclaimed by
      minimizing transmit power.

      The value of 0 means that the target data rate is not
      fixed and SHALL be set to the maximum attainable rate during
      initialization (best effort), under specified spectral
      restrictions and with a desired SNR margin per BCE.

      This object is read-write for the -O subtype G.Bond ports.
      It is irrelevant for the -R subtypes -- attempts to read or
      change this object for such ports MUST be rejected (in the case
      of SNMP, with the error inconsistentValue).

      Changing of the target upstream data rate MUST be performed
      when the link is administratively 'down', as indicated by the
      ifAdminStatus object in the IF-MIB.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), if the link is 'up' or
      initializing.

      This object maps to the TR-159 attribute aGroupTargetUpRate."



Beili & Morgenstern          Standards Track                   [Page 30]

RFC 6765                       G.Bond MIB                  February 2013


    REFERENCE
      "[TR-159], Section 5.5.1.17; RFC 2863, IF-MIB, ifAdminStatus"
    ::= { gBondPortConfEntry 4 }

  gBondPortConfTargetDnDataRate  OBJECT-TYPE
    SYNTAX      Unsigned32 (0|1..10000000)
    UNITS       "Kbps"
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "A desired G.Bond port data rate in the downstream direction,
      in Kbps, to be achieved during initialization, under
      restrictions placed upon the member BCEs by their respective
      configuration settings.
      This object represents a sum of individual BCE downstream data
      rates, modified to compensate for fragmentation and
      encapsulation overhead (e.g., for an Ethernet service, the
      target data rate of 10 Mbps SHALL allow lossless transmission
      of full-duplex 10-Mbps Ethernet frame stream with minimal
      inter-frame gap).
      Note that the target downstream data rate may not be achieved
      during initialization (e.g., due to unavailability of required
      BCEs) or the initial bandwidth could deteriorate, so that the
      actual downstream data rate (gBondPortStatDnDataRate) could be
      less than gBondPortConfTargetDnDataRate.

      The value is limited above by 10 Gbps, to accommodate very
      high speed bonded xDSL interfaces (e.g., 32 x 100 Mbps).

      The value between 1 and 10000000 indicates that the total
      downstream data rate of the G.Bond port after initialization
      SHALL be equal to the target data rate or less, if the target
      downstream data rate cannot be achieved under the restrictions
      configured for BCEs.  In cases where the copper environment
      allows a higher downstream data rate to be achieved than that
      specified by this object, the excess capability SHALL be
      either converted to an additional SNR margin or reclaimed by
      minimizing transmit power.

      The value of 0 means that the target data rate is not
      fixed and SHALL be set to the maximum attainable rate during
      initialization (best effort), under specified spectral
      restrictions and with a desired SNR margin per BCE.

      This object is read-write for the -O subtype G.Bond ports.
      It is irrelevant for the -R subtypes -- attempts to read or
      change this object for such ports MUST be rejected (in the case
      of SNMP, with the error inconsistentValue).



Beili & Morgenstern          Standards Track                   [Page 31]

RFC 6765                       G.Bond MIB                  February 2013


      Changing of the target downstream data rate MUST be performed
      when the link is administratively 'down', as indicated by the
      ifAdminStatus object in the IF-MIB.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), if the link is 'up' or
      initializing.

      This object maps to the TR-159 attribute aGroupTargetDownRate."
    REFERENCE
      "[TR-159], Section 5.5.1.18; RFC 2863, IF-MIB, ifAdminStatus"
    ::= { gBondPortConfEntry 5 }

  gBondPortConfThreshLowUpRate  OBJECT-TYPE
    SYNTAX      Unsigned32 (1..10000000)
    UNITS       "Kbps"
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "This object configures the G.Bond port low upstream rate
      crossing alarm threshold.  When the current value of
      gBondPortStatUpDataRate for this port reaches/drops below or
      exceeds this threshold, a gBondLowUpRateCrossing notification
      MAY be generated if enabled by
      gBondPortConfLowRateCrossingEnable.

      This object is read-write for the -O subtype G.Bond ports.
      It is irrelevant for the -R subtypes -- attempts to read or
      change this object for such ports MUST be rejected (in the case
      of SNMP, with the error inconsistentValue).

      This object maps to the TR-159 attribute
      aGroupthreshLowUpRate."
    REFERENCE
      "[TR-159], Section 5.5.1.21"
    ::= { gBondPortConfEntry 6 }

  gBondPortConfThreshLowDnRate  OBJECT-TYPE
    SYNTAX      Unsigned32 (1..10000000)
    UNITS       "Kbps"
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "This object configures the G.Bond port low downstream rate
      crossing alarm threshold.  When the current value of
      gBondPortStatDnDataRate for this port reaches/drops below or
      exceeds this threshold, a gBondLowDnRateCrossing notification
      MAY be generated if enabled by
      gBondPortConfLowRateCrossingEnable.



Beili & Morgenstern          Standards Track                   [Page 32]

RFC 6765                       G.Bond MIB                  February 2013


      This object is read-write for the -O subtype G.Bond ports.
      It is irrelevant for the -R subtypes -- attempts to read or
      change this object for such ports MUST be rejected (in the case
      of SNMP, with the error inconsistentValue).

      This object maps to the TR-159 attribute
      aGroupThreshLowDownRate."
    REFERENCE
      "[TR-159], Section 5.5.1.22"
    ::= { gBondPortConfEntry 7 }

  gBondPortConfLowRateCrossingEnable  OBJECT-TYPE
    SYNTAX      TruthValue
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "Indicates whether gBondLowUpRateCrossing and
      gBondLowDnRateCrossing notifications should be generated
      for this interface.

      A value of true(1) indicates that the notifications are
      enabled.  A value of false(2) indicates that the notifications
      are disabled.

      This object is read-write for the -O subtype G.Bond ports.
      It is irrelevant for the -R subtypes -- attempts to read or
      change this object for such ports MUST be rejected (in the case
      of SNMP, with the error inconsistentValue).

      This object maps to the TR-159 attribute
      aGroupLowRateCrossingEnable."
    REFERENCE
      "[TR-159], Section 5.5.1.23"
    ::= { gBondPortConfEntry 8 }

  gBondPortConfPmTcaConfProfile  OBJECT-TYPE
    SYNTAX      SnmpAdminString (SIZE (1..32))
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "The value of this object is the index of the row in the GBS
      Port Alarm Configuration Profile table for Performance Monitoring
      Threshold Crossing Alerts -- the gBondPortAlarmConfProfileTable,
      which applies to this GBS port."
    DEFVAL  { "DEFVAL" }
    ::= { gBondPortConfEntry 9 }





Beili & Morgenstern          Standards Track                   [Page 33]

RFC 6765                       G.Bond MIB                  February 2013


  gBondPortConfPmTcaEnable  OBJECT-TYPE
    SYNTAX      TruthValue
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "Indicates whether the gBondPerfTca*Crossing set of
      notifications should be generated for this interface.

      A value of true(1) indicates that the notifications are
      enabled.  A value of false(2) indicates that the notifications
      are disabled.

      This object maps to the TR-159 attribute aGroupPerfTcaEnable."
    REFERENCE
      "[TR-159], Section 5.5.1.38"
    ::= { gBondPortConfEntry 10 }


  gBondPortCapTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortCapEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "Table for capabilities of G.Bond ports.  Entries in this table
      MUST be maintained in a persistent manner."
    ::= { gBondPort 2 }

  gBondPortCapEntry OBJECT-TYPE
    SYNTAX      GBondPortCapEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port Capability table.
      Each entry represents a G.Bond port indexed by the ifIndex.
      Note that a G.Bond GBS port runs on top of a single
      or multiple BCE port(s), which are also indexed by the ifIndex."
    INDEX  { ifIndex }
    ::= { gBondPortCapTable 1 }

  GBondPortCapEntry ::=
    SEQUENCE {
      gBondPortCapSchemesSupported          IANAgBondSchemeList,
      gBondPortCapPeerSchemesSupported      IANAgBondSchemeList,
      gBondPortCapCapacity                  Unsigned32,
      gBondPortCapPeerCapacity              Unsigned32
    }





Beili & Morgenstern          Standards Track                   [Page 34]

RFC 6765                       G.Bond MIB                  February 2013


  gBondPortCapSchemesSupported          OBJECT-TYPE
    SYNTAX      IANAgBondSchemeList
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Bonding capability of the G.Bond port (GBS).  This is a
      read-only bitmap of the possible bonding schemes supported by
      the GBS.  The various bit positions are:
        none(0)       - GBS is capable of bonding bypass on a
                        single-BCE G.998.2 GBS
        g9981(1)      - GBS is capable of G.998.1 bonding
        g9982(2)      - GBS is capable of G.998.2 bonding
        g9983(3)      - GBS is capable of G.998.3 bonding

      Note that for ports supporting multiple bonding schemes, the
      actual administrative scheme is set via gBondPortConfAdminScheme
      object.  The current operating bonding scheme is reflected in
      the gBondPortStatOperScheme object.

      This object maps to the TR-159 attribute
      aGroupBondSchemesSupported."
    REFERENCE
      "[TR-159], Section 5.5.1.2"
    ::= { gBondPortCapEntry 1 }

  gBondPortCapPeerSchemesSupported  OBJECT-TYPE
    SYNTAX      IANAgBondSchemeList
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Bonding capability of the peer G.Bond port (GBS).  This is a
      read-only bitmap of the possible bonding schemes supported by
      the link partner GBS.  The various bit positions are:
        none(0)       - peer GBS does not support bonding, or
                        the peer unit could not be reached, or
                        peer GBS is capable of bonding bypass on a
                        single-BCE G.998.2 GBS
        g9981(1)      - peer GBS is capable of G.998.1 bonding
        g9982(2)      - peer GBS is capable of G.998.2 bonding
        g9983(3)      - peer GBS is capable of G.998.3 bonding

      Note that for ports supporting multiple bonding schemes, the
      actual administrative scheme is set via the
      gBondPortConfPeerAdminScheme object.  The current operating
      bonding scheme is reflected in the gBondPortStatPeerOperScheme
      object.





Beili & Morgenstern          Standards Track                   [Page 35]

RFC 6765                       G.Bond MIB                  February 2013


      This object maps to the TR-159 attribute
      aGroupPeerBondSchemesSupported."
    REFERENCE
      "[TR-159], Section 5.5.1.3"
    ::= { gBondPortCapEntry 2 }

  gBondPortCapCapacity  OBJECT-TYPE
    SYNTAX      Unsigned32 (1..32)
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Number of BCEs that can be aggregated by the local GBS.
      The number of BCEs currently assigned to a particular G.Bond
      port (gBondPortStatNumBCEs) is never greater than
      gBondPortCapCapacity.

      This object maps to the TR-159 attribute aGroupCapacity."
    REFERENCE
      "[TR-159], Section 5.5.1.12"
    ::= { gBondPortCapEntry 3 }

  gBondPortCapPeerCapacity  OBJECT-TYPE
    SYNTAX      Unsigned32 (0|1..32)
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Number of BCEs that can be aggregated by the peer GBS port.
      A value of 0 is returned when peer Bonding capacity is unknown
      (peer cannot be reached).

      This object maps to the TR-159 attribute aGroupPeerCapacity."
    REFERENCE
      "[TR-159], Section 5.5.1.13"
    ::= { gBondPortCapEntry 4 }


  gBondPortStatTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortStatEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This table provides overall status information of G.Bond
      ports, complementing the generic status information from the
      ifTable of the IF-MIB.  Additional status information about
      connected BCEs is available from the relevant line MIBs.

      This table contains live data from the equipment.  As such,
      it is NOT persistent."



Beili & Morgenstern          Standards Track                   [Page 36]

RFC 6765                       G.Bond MIB                  February 2013


    ::= { gBondPort 3 }

  gBondPortStatEntry OBJECT-TYPE
    SYNTAX      GBondPortStatEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port Status table.
      Each entry represents a G.Bond port indexed by the ifIndex.
      Note that a G.Bond GBS port runs on top of a single
      or multiple BCE port(s), which are also indexed by the ifIndex."
    INDEX  { ifIndex }
    ::= { gBondPortStatTable 1 }

  GBondPortStatEntry ::=
    SEQUENCE {
      gBondPortStatOperScheme               IANAgBondScheme,
      gBondPortStatPeerOperScheme           IANAgBondScheme,
      gBondPortStatUpDataRate               Gauge32,
      gBondPortStatDnDataRate               Gauge32,
      gBondPortStatFltStatus                BITS,
      gBondPortStatSide                     INTEGER,
      gBondPortStatNumBCEs                  Unsigned32
    }

  gBondPortStatOperScheme  OBJECT-TYPE
    SYNTAX      IANAgBondScheme
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Current operating bonding scheme of a G.Bond port.
      The possible values are:
        none(0)       - bonding bypass on a single-BCE G.998.2 GBS
        g9981(1)      - G.998.1 bonding
        g9982(2)      - G.998.2 bonding
        g9983(3)      - G.998.3 bonding

      This object maps to the TR-159 attribute
      aGroupOperBondScheme."
    REFERENCE
      "[TR-159], Section 5.5.1.4"
    ::= { gBondPortStatEntry 1 }

  gBondPortStatPeerOperScheme  OBJECT-TYPE
    SYNTAX      IANAgBondScheme
    MAX-ACCESS  read-only
    STATUS      current




Beili & Morgenstern          Standards Track                   [Page 37]

RFC 6765                       G.Bond MIB                  February 2013


    DESCRIPTION
      "Current operating bonding scheme of a G.Bond port link partner.
      The possible values are:
        unknown(0)    - peer cannot be reached due to the link state or
                        bonding bypass on a single-BCE G.998.2 GBS
        g9981(1)      - G.998.1 bonding
        g9982(2)      - G.998.2 bonding
        g9983(3)      - G.998.3 bonding

      This object maps to the TR-159 attribute
      aGroupPeerOperBondScheme."
    REFERENCE
      "[TR-159], Section 5.5.1.5"
    ::= { gBondPortStatEntry 2 }

  gBondPortStatUpDataRate  OBJECT-TYPE
    SYNTAX      Gauge32
    UNITS       "bps"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A current G.Bond port operational data rate in the upstream
      direction, in bps.
      This object represents an estimation of the sum of individual
      BCE upstream data rates, modified to compensate for
      fragmentation and encapsulation overhead (e.g., for an
      Ethernet service, the target data rate of 10 Mbps SHALL allow
      lossless transmission of full-duplex 10-Mbps Ethernet frame
      stream with minimal inter-frame gap).

      Note that for symmetrical interfaces, gBondPortStatUpDataRate ==
      gBondPortStatDnDataRate == ifSpeed.

      This object maps to the TR-159 attribute aGroupUpRate."
    REFERENCE
      "[TR-159], Section 5.5.1.15"
    ::= { gBondPortStatEntry 3 }

  gBondPortStatDnDataRate  OBJECT-TYPE
    SYNTAX      Gauge32
    UNITS       "bps"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A current G.Bond port operational data rate in the downstream
      direction, in bps.
      This object represents an estimation of the sum of individual
      BCE downstream data rates, modified to compensate for



Beili & Morgenstern          Standards Track                   [Page 38]

RFC 6765                       G.Bond MIB                  February 2013


      fragmentation and encapsulation overhead (e.g., for an
      Ethernet service, the target data rate of 10 Mbps SHALL allow
      lossless transmission of full-duplex 10-Mbps Ethernet frame
      stream with minimal inter-frame gap).

      Note that for symmetrical interfaces, gBondPortStatUpDataRate ==
      gBondPortStatDnDataRate == ifSpeed.

      This object maps to the TR-159 attribute aGroupDownRate."
    REFERENCE
      "[TR-159], Section 5.5.1.16"
    ::= { gBondPortStatEntry 4 }


  gBondPortStatFltStatus  OBJECT-TYPE
    SYNTAX      BITS {
      noPeer(0),
      peerPowerLoss(1),
      peerBondSchemeMismatch(2),
      bceSubTypeMismatch(3),
      lowRate(4),
      init(5),
      ready(6)
    }
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "G.Bond (GBS) port fault status.  This is a bitmap of possible
      conditions.  The various bit positions are:
        noPeer                 - Peer GBS cannot be reached (e.g.,
                                 no BCEs attached, all BCEs are
                                 'down', etc.).
        peerPowerLoss          - Peer GBS has indicated impending unit
                                 failure due to loss of local power
                                 ('Dying Gasp').
        peerBondSchemeMismatch - Operating bonding scheme of a peer
                                 GBS is different from the local one.
        bceSubTypeMismatch     - Local BCEs in the aggregation group
                                 are not of the same sub-type, e.g.,
                                 some BCEs in the local device are -O
                                 while others are -R subtype.
        lowRate                - gBondUpRate/gBondDnRate of the port
                                 has reached or dropped below
                                 gBondPortConfThreshLowUpRate/
                                 gBondPortConfThreshLowDnRate.






Beili & Morgenstern          Standards Track                   [Page 39]

RFC 6765                       G.Bond MIB                  February 2013


        init                   - The link is initializing, as a result
                                 of ifAdminStatus being set to 'up'
                                 for a particular BCE or a GBS
                                 to which the BCE is connected.
        ready                  - At least one BCE in the aggregation
                                 group is detecting handshake tones.

      This object is intended to supplement the ifOperStatus object
      in the IF-MIB.

      This object maps to the TR-159 attribute aGroupStatus."
    REFERENCE
      "[TR-159], Section 5.5.1.9; RFC 2863, IF-MIB, ifOperStatus"
    ::= { gBondPortStatEntry 5 }

  gBondPortStatSide  OBJECT-TYPE
    SYNTAX      INTEGER {
      subscriber(1),
      office(2),
      unknown(3)
    }
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "G.Bond port mode of operation (subtype).
      The value of 'subscriber' indicates that the port is
      designated as '-R' subtype (all BCEs assigned to this port are of
      subtype '-R').
      The value of 'office' indicates that the port is designated
      as '-O' subtype (all BCEs assigned to this port are of
      subtype '-O').
      The value of 'unknown' indicates that the port has no assigned
      BCEs yet or that the assigned BCEs are not of the same side
      (subTypeBCEMismatch).

      This object maps to the TR-159 attribute aGroupEnd."
    REFERENCE
      "[TR-159], Section 5.5.1.11"
    ::= { gBondPortStatEntry 6 }

  gBondPortStatNumBCEs  OBJECT-TYPE
    SYNTAX      Unsigned32 (0..32)
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "Number of BCEs that are currently aggregated by the local GBS
      (assigned to the G.Bond port using the ifStackTable).
      This number is never greater than gBondPortCapCapacity.



Beili & Morgenstern          Standards Track                   [Page 40]

RFC 6765                       G.Bond MIB                  February 2013


      This object SHALL be automatically incremented or decremented
      when a BCE is added or deleted to/from the G.Bond port using
      the ifStackTable.

      This object maps to the TR-159 attribute aGroupNumChannels."
    REFERENCE
      "[TR-159], Section 5.5.1.14"
    ::= { gBondPortStatEntry 7 }


  -- Performance Monitoring group

  gBondPortPM   OBJECT IDENTIFIER ::= { gBondPort 4 }

  gBondPortPmCurTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortPmCurEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This table contains current Performance Monitoring (PM)
      information for a GBS port.  This table contains live data from
      the equipment and as such is NOT persistent."
    ::= { gBondPortPM 1 }

  gBondPortPmCurEntry OBJECT-TYPE
    SYNTAX      GBondPortPmCurEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port PM table.
      Each entry represents a G.Bond port indexed by the ifIndex.
      Note that a G.Bond GBS port runs on top of a single
      or multiple BCE port(s), which are also indexed by the ifIndex."
    INDEX  { ifIndex }
    ::= { gBondPortPmCurTable 1 }

  GBondPortPmCurEntry ::=
    SEQUENCE {
      gBondPortPmCurES                      HCPerfTotalCount,
      gBondPortPmCurSES                     HCPerfTotalCount,
      gBondPortPmCurUAS                     HCPerfTotalCount,
      gBondPortPmCur15MinValidIntervals     HCPerfValidIntervals,
      gBondPortPmCur15MinInvalidIntervals   HCPerfInvalidIntervals,
      gBondPortPmCur15MinTimeElapsed        HCPerfTimeElapsed,
      gBondPortPmCur15MinES                 HCPerfCurrentCount,
      gBondPortPmCur15MinSES                HCPerfCurrentCount,
      gBondPortPmCur15MinUAS                HCPerfCurrentCount,
      gBondPortPmCur1DayValidIntervals      Unsigned32,



Beili & Morgenstern          Standards Track                   [Page 41]

RFC 6765                       G.Bond MIB                  February 2013


      gBondPortPmCur1DayInvalidIntervals    Unsigned32,
      gBondPortPmCur1DayTimeElapsed         HCPerfTimeElapsed,
      gBondPortPmCur1DayES                  HCPerfCurrentCount,
      gBondPortPmCur1DaySES                 HCPerfCurrentCount,
      gBondPortPmCur1DayUAS                 HCPerfCurrentCount
    }

  gBondPortPmCurES  OBJECT-TYPE
    SYNTAX      HCPerfTotalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Errored Seconds (ES) on the GBS since the BTU was
      last restarted.

      An Errored Second for a G.998.x interface is defined as a count
      of 1-second intervals during which one or more GBS errors are
      declared.  The errors are specific for each bonding scheme, e.g.,
        - lost cells for the ATM bonding
        - lost or discarded (due to an error or a buffer overflow)
          fragments for the Ethernet bonding
        - CRC-4, CRC-6, or CRC-8 errors for the TDIM bonding
      This object is inhibited during Unavailable Seconds (UAS).

      This object maps to the TR-159 attribute aGroupPerfES."
    REFERENCE
      "[TR-159], Section 5.5.1.29"
    ::= { gBondPortPmCurEntry 1 }

  gBondPortPmCurSES  OBJECT-TYPE
    SYNTAX      HCPerfTotalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Severely Errored Seconds (SES) on the GBS
      since the BTU was last restarted.

      A Severely Errored Second for a G.998.x interface is defined as
      a count of 1-second intervals during which GBS errors cause at
      least 1% traffic loss of the nominal bonded link rate or at
      least 12 ms for the TDM traffic.  The exact definition is
      specific for each bonding scheme, e.g.,
        - 234 lost cells for the ATM bonding with 10-Mbps nominal link
          rate





Beili & Morgenstern          Standards Track                   [Page 42]

RFC 6765                       G.Bond MIB                  February 2013


        - 60 lost/discarded fragments for the Ethernet bonding with
          10-Mbps nominal link rate and fixed 192-byte-long fragment
          size
        - 6 or more CRC-4 errors, one or more CRC-6 errors, or one or
          more CRC-8 errors for the TDM bonding
      This object is inhibited during Unavailable Seconds (UAS).

      This object maps to the TR-159 attribute aGroupPerfSES."
    REFERENCE
      "[TR-159], Section 5.5.1.30"
    ::= { gBondPortPmCurEntry 2 }

  gBondPortPmCurUAS  OBJECT-TYPE
    SYNTAX      HCPerfTotalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Unavailable Seconds (UAS) on the GBS since the BTU
      was last restarted.

      An Unavailable Second for a G.998.x interface is defined as a
      count of 1-second intervals during which the bonded link is
      unavailable.  The G.998.x link becomes unavailable at the onset
      of 10 contiguous SESs.  The 10 SESs are included in the
      unavailable time.  Once unavailable, the G.998.x line becomes
      available at the onset of 10 contiguous seconds with no SESs.
      The 10 seconds with no SESs are excluded from the unavailable
      time.

      This object maps to the TR-159 attribute aGroupPerfUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.31"
    ::= { gBondPortPmCurEntry 3 }

  gBondPortPmCur15MinValidIntervals  OBJECT-TYPE
    SYNTAX      HCPerfValidIntervals
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A number of 15-minute intervals for which data was collected.
      The value of this object will be 96 or the maximum number of
      15-minute history intervals collected by the implementation,
      unless the measurement was (re)started recently, in which case
      the value will be the number of complete 15-minute intervals
      for which there are at least some data.





Beili & Morgenstern          Standards Track                   [Page 43]

RFC 6765                       G.Bond MIB                  February 2013


      In certain cases, it is possible that some intervals are
      unavailable.  In this case, this object reports the maximum
      interval number for which data is available.

      This object maps to the TR-159 attribute
      aGroupPerf15MinValidIntervals."
    REFERENCE
      "[TR-159], Section 5.5.1.32"
    ::= { gBondPortPmCurEntry 4 }

  gBondPortPmCur15MinInvalidIntervals  OBJECT-TYPE
    SYNTAX      HCPerfInvalidIntervals
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A number of 15-minute intervals for which data was not always
      available.  The value will typically be zero, except in cases
      where the data for some intervals are not available.

      This object maps to the TR-159 attribute
      aGroupPerf15MinInvalidIntervals."
    REFERENCE
      "[TR-159], Section 5.5.1.33"
    ::= { gBondPortPmCurEntry 5 }

  gBondPortPmCur15MinTimeElapsed  OBJECT-TYPE
    SYNTAX      HCPerfTimeElapsed
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of seconds that have elapsed since the beginning of the
      current 15-minute performance interval.

      This object maps to the TR-159 attribute
      aGroupPerfCurr15MinTimeElapsed."
    REFERENCE
      "[TR-159], Section 5.5.1.34"
    ::= { gBondPortPmCurEntry 6 }

  gBondPortPmCur15MinES  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Errored Seconds (ES) on the GBS in the current
      15-minute performance interval.



Beili & Morgenstern          Standards Track                   [Page 44]

RFC 6765                       G.Bond MIB                  February 2013


      This object maps to the TR-159 attribute aGroupPerfCurr15MinES."
    REFERENCE
      "[TR-159], Section 5.5.1.35"
    ::= { gBondPortPmCurEntry 7 }

  gBondPortPmCur15MinSES  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Severely Errored Seconds (SES) on the GBS in the
      current 15-minute performance interval.

      This object maps to the TR-159 attribute aGroupPerfCurr15MinSES."
    REFERENCE
      "[TR-159], Section 5.5.1.36"
    ::= { gBondPortPmCurEntry 8 }

  gBondPortPmCur15MinUAS  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Unavailable Seconds (UAS) on the GBS in the current
      15-minute performance interval.

      This object maps to the TR-159 attribute aGroupPerfCurr15MinUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.37"
    ::= { gBondPortPmCurEntry 9 }

  gBondPortPmCur1DayValidIntervals  OBJECT-TYPE
    SYNTAX      Unsigned32 (0..7)
    UNITS       "days"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A number of 1-day intervals for which data was collected.
      The value of this object will be 7 or the maximum number of
      1-day history intervals collected by the implementation, unless
      the measurement was (re)started recently, in which case the
      value will be the number of complete 1-day intervals for which
      there are at least some data.
      In certain cases, it is possible that some intervals are
      unavailable.  In this case, this object reports the maximum
      interval number for which data is available.



Beili & Morgenstern          Standards Track                   [Page 45]

RFC 6765                       G.Bond MIB                  February 2013


      This object maps to the TR-159 attribute
      aGroupPerf1DayValidIntervals."
    REFERENCE
      "[TR-159], Section 5.5.1.45"
    ::= { gBondPortPmCurEntry 10 }

  gBondPortPmCur1DayInvalidIntervals  OBJECT-TYPE
    SYNTAX      Unsigned32 (0..7)
    UNITS       "days"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A number of 1-day intervals for which data was not always
      available.  The value will typically be zero, except in cases
      where the data for some intervals are not available.

      This object maps to the TR-159 attribute
      aGroupPerf1DayInvalidIntervals."
    REFERENCE
      "[TR-159], Section 5.5.1.46"
    ::= { gBondPortPmCurEntry 11 }

  gBondPortPmCur1DayTimeElapsed  OBJECT-TYPE
    SYNTAX      HCPerfTimeElapsed
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of seconds that have elapsed since the beginning of
      the current 1-day performance interval.

      This object maps to the TR-159 attribute
      aGroupPerfCurr1DayTimeElapsed."
    REFERENCE
      "[TR-159], Section 5.5.1.47"
    ::= { gBondPortPmCurEntry 12 }

  gBondPortPmCur1DayES  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Errored Seconds (ES) on the GBS in the current 1-day
      performance interval.

      This object maps to the TR-159 attribute aGroupPerfCurr1DayES."




Beili & Morgenstern          Standards Track                   [Page 46]

RFC 6765                       G.Bond MIB                  February 2013


    REFERENCE
      "[TR-159], Section 5.5.1.48"
    ::= { gBondPortPmCurEntry 13 }

  gBondPortPmCur1DaySES  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Severely Errored Seconds (SES) on the GBS in the
      current 1-day performance interval.

      This object maps to the TR-159 attribute aGroupPerfCurr1DaySES."
    REFERENCE
      "[TR-159], Section 5.5.1.49"
    ::= { gBondPortPmCurEntry 14 }

  gBondPortPmCur1DayUAS  OBJECT-TYPE
    SYNTAX      HCPerfCurrentCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Unavailable Seconds (UAS) on the GBS in the current
      1-day performance interval.

      This object maps to the TR-159 attribute aGroupPerfCurr1DayUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.50"
    ::= { gBondPortPmCurEntry 15 }

  -- PM history: 15-min buckets

  gBondPortPm15MinTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortPm15MinEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This table contains historical 15-minute buckets of Performance
      Monitoring information for a GBS port (a row for each 15-minute
      interval, up to 96 intervals).
      Entries in this table MUST be maintained in a persistent manner."
    ::= { gBondPortPM 2 }

  gBondPortPm15MinEntry OBJECT-TYPE
    SYNTAX      GBondPortPm15MinEntry
    MAX-ACCESS  not-accessible



Beili & Morgenstern          Standards Track                   [Page 47]

RFC 6765                       G.Bond MIB                  February 2013


    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port historical 15-minute PM table.
      Each entry represents Performance Monitoring data for a GBS port,
      indexed by the ifIndex, collected during a particular 15-minute
      interval, indexed by the gBondPortPm15MinIntervalIndex."
    INDEX  { ifIndex, gBondPortPm15MinIntervalIndex }
    ::= { gBondPortPm15MinTable 1 }

  GBondPortPm15MinEntry ::=
    SEQUENCE {
      gBondPortPm15MinIntervalIndex         Unsigned32,
      gBondPortPm15MinIntervalMoniTime      HCPerfTimeElapsed,
      gBondPortPm15MinIntervalES            HCPerfIntervalCount,
      gBondPortPm15MinIntervalSES           HCPerfIntervalCount,
      gBondPortPm15MinIntervalUAS           HCPerfIntervalCount,
      gBondPortPm15MinIntervalValid         TruthValue
    }

  gBondPortPm15MinIntervalIndex  OBJECT-TYPE
    SYNTAX      Unsigned32 (1..96)
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "Performance data interval number.  1 is the most recent
      previous interval; interval 96 is 24 hours ago.
      Intervals 2..96 are OPTIONAL.

      This object maps to the TR-159 attribute
      aGroupPerf15MinIntervalNumber."
    REFERENCE
      "[TR-159], Section 5.5.1.57"
    ::= { gBondPortPm15MinEntry 1 }

  gBondPortPm15MinIntervalMoniTime  OBJECT-TYPE
    SYNTAX      HCPerfTimeElapsed
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of seconds over which the performance data was actually
      monitored.  This value will be the same as the interval duration
      (900 seconds), except in a situation where performance data
      could not be collected for any reason."
    ::= { gBondPortPm15MinEntry 2 }






Beili & Morgenstern          Standards Track                   [Page 48]

RFC 6765                       G.Bond MIB                  February 2013


  gBondPortPm15MinIntervalES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Errored Seconds (ES) on the GBS in the 15-minute
      performance history interval.

      This object maps to the TR-159 attribute
      aGroupPerf15MinIntervalES."
    REFERENCE
      "[TR-159], Section 5.5.1.59"
    ::= { gBondPortPm15MinEntry 3 }

  gBondPortPm15MinIntervalSES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Severely Errored Seconds (SES) on the GBS in the
      15-minute performance history interval.

      This object maps to the TR-159 attribute
      aGroupPerf15MinIntervalSES."
    REFERENCE
      "[TR-159], Section 5.5.1.60"
    ::= { gBondPortPm15MinEntry 4 }

  gBondPortPm15MinIntervalUAS  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Unavailable Seconds (UAS) on the GBS in the current
      15-minute performance interval.

      This object maps to the TR-159 attribute
      aGroupPerf15MinIntervalUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.61"
    ::= { gBondPortPm15MinEntry 5 }

  gBondPortPm15MinIntervalValid  OBJECT-TYPE
    SYNTAX      TruthValue
    MAX-ACCESS  read-only



Beili & Morgenstern          Standards Track                   [Page 49]

RFC 6765                       G.Bond MIB                  February 2013


    STATUS      current
    DESCRIPTION
      "A read-only object indicating whether or not this history
      bucket contains valid data.  A valid bucket is reported as
      true(1) and an invalid bucket as false(2).
      If this history bucket is invalid, the BTU-C MUST NOT produce
      notifications based upon the value of the counters in this
      bucket.
      Note that an implementation may decide not to store invalid
      history buckets in its database.  In such a case, this object
      is not required, as only valid history buckets are available
      while invalid history buckets are simply not in the database.

      This object maps to the TR-159 attribute
      aGroupPerf15MinIntervalValid."
    REFERENCE
      "[TR-159], Section 5.5.1.58"
    ::= { gBondPortPm15MinEntry 6 }

  -- PM history: 1-day buckets

  gBondPortPm1DayTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortPm1DayEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This table contains historical 1-day buckets of Performance
      Monitoring information for a GBS port (a row for each 1-day
      interval, up to 7 intervals).
      Entries in this table MUST be maintained in a persistent manner."
    ::= { gBondPortPM 3 }

  gBondPortPm1DayEntry OBJECT-TYPE
    SYNTAX      GBondPortPm1DayEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond Port historical 1-day PM table.
      Each entry represents Performance Monitoring data for a GBS port,
      indexed by the ifIndex, collected during a particular 1-day
      interval, indexed by the gBondPortPm1DayIntervalIndex."
    INDEX  { ifIndex, gBondPortPm1DayIntervalIndex }
    ::= { gBondPortPm1DayTable 1 }

  GBondPortPm1DayEntry ::=
    SEQUENCE {
      gBondPortPm1DayIntervalIndex          Unsigned32,
      gBondPortPm1DayIntervalMoniTime       HCPerfTimeElapsed,



Beili & Morgenstern          Standards Track                   [Page 50]

RFC 6765                       G.Bond MIB                  February 2013


      gBondPortPm1DayIntervalES             HCPerfIntervalCount,
      gBondPortPm1DayIntervalSES            HCPerfIntervalCount,
      gBondPortPm1DayIntervalUAS            HCPerfIntervalCount,
      gBondPortPm1DayIntervalValid          TruthValue
    }

  gBondPortPm1DayIntervalIndex  OBJECT-TYPE
    SYNTAX      Unsigned32 (1..7)
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "Performance data interval number.  1 is the most recent
      previous interval; interval 7 is 7 days ago.
      Intervals 2..7 are OPTIONAL.

      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalNumber."
    REFERENCE
      "[TR-159], Section 5.5.1.62"
    ::= { gBondPortPm1DayEntry 1 }

  gBondPortPm1DayIntervalMoniTime  OBJECT-TYPE
    SYNTAX      HCPerfTimeElapsed
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of seconds over which the performance data was actually
      monitored.  This value will be the same as the interval duration
      (86400 seconds), except in a situation where performance data
      could not be collected for any reason.

      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalMoniSecs."
    REFERENCE
      "[TR-159], Section 5.5.1.64"
    ::= { gBondPortPm1DayEntry 2 }

  gBondPortPm1DayIntervalES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Errored Seconds (ES) on the GBS in the 1-day
      performance history interval.





Beili & Morgenstern          Standards Track                   [Page 51]

RFC 6765                       G.Bond MIB                  February 2013


      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalES."
    REFERENCE
      "[TR-159], Section 5.5.1.65"
    ::= { gBondPortPm1DayEntry 3 }

  gBondPortPm1DayIntervalSES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Severely Errored Seconds (SES) on the GBS in the
      1-day performance history interval.

      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalSES."
    REFERENCE
      "[TR-159], Section 5.5.1.66"
    ::= { gBondPortPm1DayEntry 4 }

  gBondPortPm1DayIntervalUAS  OBJECT-TYPE
    SYNTAX      HCPerfIntervalCount
    UNITS       "seconds"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A count of Unavailable Seconds (UAS) on the GBS in the current
      1-day performance interval.

      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.67"
    ::= { gBondPortPm1DayEntry 5 }

  gBondPortPm1DayIntervalValid  OBJECT-TYPE
    SYNTAX      TruthValue
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
      "A read-only object indicating whether or not this history
      bucket contains valid data.  A valid bucket is reported as
      true(1) and an invalid bucket as false(2).
      If this history bucket is invalid, the BTU-C MUST NOT produce
      notifications based upon the value of the counters in this
      bucket.




Beili & Morgenstern          Standards Track                   [Page 52]

RFC 6765                       G.Bond MIB                  February 2013


      Note that an implementation may decide not to store invalid
      history buckets in its database.  In such a case, this object
      is not required, as only valid history buckets are available
      while invalid history buckets are simply not in the database.

      This object maps to the TR-159 attribute
      aGroupPerf1DayIntervalValid."
    REFERENCE
      "[TR-159], Section 5.5.1.63"
    ::= { gBondPortPm1DayEntry 6 }


  -- Performance Monitoring TCA Configuration profile

  gBondPortPmTcaProfileTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondPortPmTcaProfileEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This table supports definitions of Performance Monitoring (PM)
      Threshold Crossing Alert (TCA) configuration profiles for GBS
      ports.
      Entries in this table MUST be maintained in a persistent manner."
    ::= { gBondPortPM 4 }

  gBondPortPmTcaProfileEntry OBJECT-TYPE
    SYNTAX      GBondPortPmTcaProfileEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "An entry in the GBS PM TCA Configuration table.
      Each entry corresponds to a single TCA configuration profile.
      Each profile contains a set of parameters for setting alarm
      thresholds for various performance attributes monitored at GBS
      ports.  Profiles may be created/deleted using the row
      creation/deletion mechanism via
      gBondPortPmTcaProfileRowStatus.  If an active entry is
      referenced via gBondPortConfPmTcaConfProfile, the entry MUST
      remain active until all references are removed.
      A default profile with an index of 'DEFVAL' will always exist,
      and its parameters will be set to vendor-specific values
      unless otherwise specified in this document."
    INDEX  { gBondPortPmTcaProfileName }
    ::= { gBondPortPmTcaProfileTable 1 }







Beili & Morgenstern          Standards Track                   [Page 53]

RFC 6765                       G.Bond MIB                  February 2013


  GBondPortPmTcaProfileEntry ::=
    SEQUENCE {
      gBondPortPmTcaProfileName           SnmpAdminString,
      gBondPortPmTcaProfileThresh15MinES  HCPerfIntervalThreshold,
      gBondPortPmTcaProfileThresh15MinSES HCPerfIntervalThreshold,
      gBondPortPmTcaProfileThresh15MinUAS HCPerfIntervalThreshold,
      gBondPortPmTcaProfileThresh1DayES   GBondPm1DayIntervalThreshold,
      gBondPortPmTcaProfileThresh1DaySES  GBondPm1DayIntervalThreshold,
      gBondPortPmTcaProfileThresh1DayUAS  GBondPm1DayIntervalThreshold,
      gBondPortPmTcaProfileRowStatus      RowStatus
    }

  gBondPortPmTcaProfileName  OBJECT-TYPE
    SYNTAX      SnmpAdminString (SIZE (1..32))
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "This object is a unique index (name) associated with this
      GBS PM TCA profile."
    ::= { gBondPortPmTcaProfileEntry 1 }

  gBondPortPmTcaProfileThresh15MinES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "A desired threshold for the number of Errored Seconds (ES)
      within any given 15-minute performance data collection interval.
      If the number of ESs in a particular 15-minute collection
      interval reaches or exceeds this value, a
      gBondPmTca15MinESCrossing notification MAY be generated if
      enabled by gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca15MinESCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold15MinES."
    REFERENCE
      "[TR-159], Section 5.5.1.39"
    ::= { gBondPortPmTcaProfileEntry 2 }

  gBondPortPmTcaProfileThresh15MinSES  OBJECT-TYPE
    SYNTAX      HCPerfIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current



Beili & Morgenstern          Standards Track                   [Page 54]

RFC 6765                       G.Bond MIB                  February 2013


    DESCRIPTION
      "A desired threshold for the number of Severely Errored Seconds
      (SES) within any given 15-minute performance data collection
      interval.
      If the number of SESs in a particular 15-minute collection
      interval reaches or exceeds this value, a
      gBondPmTca15MinSESCrossing notification MAY be generated if
      enabled by gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca15MinSESCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold15MinSES."
    REFERENCE
      "[TR-159], Section 5.5.1.40"
    ::= { gBondPortPmTcaProfileEntry 3 }

  gBondPortPmTcaProfileThresh15MinUAS  OBJECT-TYPE
    SYNTAX      HCPerfIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "A desired threshold for the number of Unavailable Seconds (UAS)
      within any given 15-minute performance data collection interval.
      If the number of UASs in a particular 15-minute collection
      interval reaches or exceeds this value, a
      gBondPmTca15MinUASCrossing notification MAY be generated if
      enabled by gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca15MinUASCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold15MinUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.41"
    ::= { gBondPortPmTcaProfileEntry 4 }

  gBondPortPmTcaProfileThresh1DayES  OBJECT-TYPE
    SYNTAX      GBondPm1DayIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "A desired threshold for the number of Errored Seconds (ES)
      within any given 1-day performance data collection interval.



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RFC 6765                       G.Bond MIB                  February 2013


      If the number of ESs in a particular 1-day collection interval
      reaches or exceeds this value, a gBondPmTca1DayESCrossing
      notification MAY be generated if enabled by
      gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca1DayESCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold1DayES."
    REFERENCE
      "[TR-159], Section 5.5.1.51"
    ::= { gBondPortPmTcaProfileEntry 5 }

  gBondPortPmTcaProfileThresh1DaySES  OBJECT-TYPE
    SYNTAX      GBondPm1DayIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "A desired threshold for the number of Severely Errored Seconds
      (SES) within any given 1-day performance data collection
      interval.
      If the number of SESs in a particular 1-day collection interval
      reaches or exceeds this value, a gBondPmTca1DaySESCrossing
      notification MAY be generated if enabled by
      gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca1DaySESCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold1DaySES."
    REFERENCE
      "[TR-159], Section 5.5.1.52"
    ::= { gBondPortPmTcaProfileEntry 6 }

  gBondPortPmTcaProfileThresh1DayUAS  OBJECT-TYPE
    SYNTAX      GBondPm1DayIntervalThreshold
    UNITS       "seconds"
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "A desired threshold for the number of Unavailable Seconds (UAS)
      within any given 1-day performance data collection interval.
      If the number of UASs in a particular 1-day collection interval
      reaches or exceeds this value, a gBondPmTca1DayUASCrossing
      notification MAY be generated if enabled by



Beili & Morgenstern          Standards Track                   [Page 56]

RFC 6765                       G.Bond MIB                  February 2013


      gBondPortConfPmTcaEnable.
      At most one notification can be sent per interval.
      Setting this attribute to zero (default) effectively disables
      the gBondPmTca1DayUASCrossing notification.

      This object maps to the TR-159 attribute
      aGroupPerfThreshold1DayUAS."
    REFERENCE
      "[TR-159], Section 5.5.1.53"
    ::= { gBondPortPmTcaProfileEntry 7 }

  gBondPortPmTcaProfileRowStatus  OBJECT-TYPE
    SYNTAX      RowStatus
    MAX-ACCESS  read-create
    STATUS      current
    DESCRIPTION
      "This object controls the creation, modification, or deletion
      of the associated entry in the gBondPortPmTcaProfileTable
      per the semantics of RowStatus.

      If an 'active' entry is referenced via
      gBondPortConfPmTcaConfProfile instance(s), the entry MUST
      remain 'active'.

      An 'active' entry SHALL NOT be modified.  In order to modify an
      existing entry, it MUST be taken out of service (by setting
      this object to 'notInService'), modified, and set to 'active'
      again."
    ::= { gBondPortPmTcaProfileEntry 8 }


  -- The BCE group

  gBondBceConfTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF GBondBceConfEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
      "Table for configuration of G.Bond common aspects for the
      Bonding Channel Entity (BCE) ports (modems/channels).

      Entries in this table MUST be maintained in a persistent
      manner."
    ::= { gBondBce 1 }

  gBondBceConfEntry OBJECT-TYPE
    SYNTAX      GBondBceConfEntry
    MAX-ACCESS  not-accessible



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RFC 6765                       G.Bond MIB                  February 2013


    STATUS      current
    DESCRIPTION
      "An entry in the G.Bond BCE Configuration table.
      Each entry represents common aspects of a G.Bond BCE port
      indexed by the ifIndex.  Note that a G.Bond BCE port can be
      stacked below a single GBS port, also indexed by the ifIndex,
      possibly together with other BCE ports if bonding is enabled."
    INDEX  { ifIndex }
    ::= { gBondBceConfTable 1 }

  GBondBceConfEntry ::=
    SEQUENCE {
      gBondBceConfRemoteDiscoveryCode    PhysAddress
    }

  gBondBceConfRemoteDiscoveryCode  OBJECT-TYPE
    SYNTAX      PhysAddress (SIZE (0|6))
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION
      "A remote discovery code of the BCE port at the CO.
      A 6-octet-long discovery code of the peer GBS connected via
      the BCE.
      Reading this object results in a Discovery Get operation.
      Setting this object to all zeroes results in a Discovery
      Clear_if_Same operation (the value of gBondPortConfDiscoveryCode
      at the peer GBS SHALL be the same as gBondPortConfDiscoveryCode
      of the local GBS associated with the BCE for the operation to
      succeed).
      Writing a non-zero value to this object results in a
      Discovery Set_if_Clear operation.
      A zero-length octet string SHALL be returned on an attempt to
      read this object when bonding is not enabled.

      This object is irrelevant in BCE-R port subtypes (CPE side):
      in this case, a zero-length octet string SHALL be returned on
      an attempt to read this object.  An attempt to change this
      object MUST be rejected (in the case of SNMP, with the error
      inconsistentValue).

      Discovery MUST be performed when the link is 'down'.
      Attempts to change this object MUST be rejected (in the case of
      SNMP, with the error inconsistentValue), If the link is 'up' or
      initializing.

      This object maps to the TR-159 attribute
      aLineRemoteDiscoveryCode."




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RFC 6765                       G.Bond MIB                  February 2013


    REFERENCE
      "[TR-159], Section 5.5.6.7"
    ::= { gBondBceConfEntry 1 }

 --
 -- Conformance Statements
 --

  gBondGroups      OBJECT IDENTIFIER ::= { gBondConformance 1 }

  gBondCompliances OBJECT IDENTIFIER ::= { gBondConformance 2 }

  -- Object Groups

  gBondBasicGroup OBJECT-GROUP
    OBJECTS {
      gBondPortStatOperScheme,
      gBondPortStatUpDataRate,
      gBondPortStatDnDataRate,
      gBondPortConfTargetUpDataRate,
      gBondPortConfTargetDnDataRate,
      gBondPortCapSchemesSupported,
      gBondPortCapCapacity,
      gBondPortStatNumBCEs,
      gBondPortStatSide,
      gBondPortStatFltStatus
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects representing management information
      common to all types of G.Bond ports."
    ::= { gBondGroups 1 }

  gBondDiscoveryGroup OBJECT-GROUP
    OBJECTS {
      gBondPortStatPeerOperScheme,
      gBondPortCapPeerSchemesSupported,
      gBondPortCapPeerCapacity,
      gBondPortConfDiscoveryCode,
      gBondBceConfRemoteDiscoveryCode
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects supporting OPTIONAL G.Bond discovery
      in G.Bond ports."
    ::= { gBondGroups 2 }





Beili & Morgenstern          Standards Track                   [Page 59]

RFC 6765                       G.Bond MIB                  February 2013


  gBondMultiSchemeGroup OBJECT-GROUP
    OBJECTS {
      gBondPortConfAdminScheme,
      gBondPortConfPeerAdminScheme
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects providing OPTIONAL management
      information for G.Bond ports supporting multiple bonding
      schemes."
    ::= { gBondGroups 3 }

  gBondTcaConfGroup OBJECT-GROUP
    OBJECTS {
      gBondPortConfThreshLowUpRate,
      gBondPortConfThreshLowDnRate,
      gBondPortConfLowRateCrossingEnable
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects required for configuration of alarm
      thresholds and notifications in G.Bond ports."
    ::= { gBondGroups 4 }

  gBondTcaNotificationGroup NOTIFICATION-GROUP
    NOTIFICATIONS {
      gBondLowUpRateCrossing,
      gBondLowDnRateCrossing
    }
    STATUS      current
    DESCRIPTION
      "This group supports notifications of significant conditions
      (non-PM threshold crossing alerts) associated with G.Bond ports."
    ::= { gBondGroups 5 }

  gBondPmCurGroup OBJECT-GROUP
    OBJECTS {
      gBondPortPmCurES,
      gBondPortPmCurSES,
      gBondPortPmCurUAS,
      gBondPortPmCur15MinValidIntervals,
      gBondPortPmCur15MinInvalidIntervals,
      gBondPortPmCur15MinTimeElapsed,
      gBondPortPmCur15MinES,
      gBondPortPmCur15MinSES,
      gBondPortPmCur15MinUAS,
      gBondPortPmCur1DayValidIntervals,
      gBondPortPmCur1DayInvalidIntervals,



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RFC 6765                       G.Bond MIB                  February 2013


      gBondPortPmCur1DayTimeElapsed,
      gBondPortPmCur1DayES,
      gBondPortPmCur1DaySES,
      gBondPortPmCur1DayUAS
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects supporting OPTIONAL current Performance
      Monitoring information for G.Bond ports."
    ::= { gBondGroups 6 }

  gBondPm15MinGroup OBJECT-GROUP
    OBJECTS {
      gBondPortPm15MinIntervalMoniTime,
      gBondPortPm15MinIntervalES,
      gBondPortPm15MinIntervalSES,
      gBondPortPm15MinIntervalUAS,
      gBondPortPm15MinIntervalValid
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects supporting OPTIONAL historical
      Performance Monitoring information for G.Bond ports, during
      previous 15-minute intervals."
    ::= { gBondGroups 7 }

  gBondPm1DayGroup OBJECT-GROUP
    OBJECTS {
      gBondPortPm1DayIntervalMoniTime,
      gBondPortPm1DayIntervalES,
      gBondPortPm1DayIntervalSES,
      gBondPortPm1DayIntervalUAS,
      gBondPortPm1DayIntervalValid
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects supporting OPTIONAL historical
      Performance Monitoring information for G.Bond ports, during
      previous 1-day intervals."
    ::= { gBondGroups 8 }

  gBondPmTcaConfGroup OBJECT-GROUP
    OBJECTS {
      gBondPortConfPmTcaConfProfile,
      gBondPortConfPmTcaEnable,
      gBondPortPmTcaProfileThresh15MinES,
      gBondPortPmTcaProfileThresh15MinSES,
      gBondPortPmTcaProfileThresh15MinUAS,



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RFC 6765                       G.Bond MIB                  February 2013


      gBondPortPmTcaProfileThresh1DayES,
      gBondPortPmTcaProfileThresh1DaySES,
      gBondPortPmTcaProfileThresh1DayUAS,
      gBondPortPmTcaProfileRowStatus
    }
    STATUS      current
    DESCRIPTION
      "A collection of objects required for configuration of
      Performance Monitoring Threshold Crossing Alert notifications
      in G.Bond ports."
    ::= { gBondGroups 9 }

  gBondPmTcaNotificationGroup NOTIFICATION-GROUP
    NOTIFICATIONS {
      gBondPmTca15MinESCrossing,
      gBondPmTca15MinSESCrossing,
      gBondPmTca15MinUASCrossing,
      gBondPmTca1DayESCrossing,
      gBondPmTca1DaySESCrossing,
      gBondPmTca1DayUASCrossing
    }
    STATUS      current
    DESCRIPTION
      "This group supports notifications of Performance Monitoring
      Threshold Crossing Alerts associated with G.Bond ports."
    ::= { gBondGroups 10 }

 -- Compliance Statements

  gBondCompliance MODULE-COMPLIANCE
    STATUS      current
    DESCRIPTION
      "The compliance statement for G.Bond interfaces.
      Compliance with the following external compliance statements
      is REQUIRED:

      MIB Module             Compliance Statement
      ----------             --------------------
      IF-MIB                 ifCompliance3

      Compliance with the following external compliance statements
      is OPTIONAL for implementations supporting bonding with
      flexible cross-connect between the GBS and BCE ports:

      MIB Module             Compliance Statement
      ----------             --------------------
      IF-INVERTED-STACK-MIB  ifInvCompliance
      IF-CAP-STACK-MIB       ifCapStackCompliance"



Beili & Morgenstern          Standards Track                   [Page 62]

RFC 6765                       G.Bond MIB                  February 2013


    MODULE  -- this module
      MANDATORY-GROUPS {
        gBondBasicGroup,
        gBondTcaConfGroup,
        gBondTcaNotificationGroup
      }

      GROUP       gBondDiscoveryGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting the G.Bond Discovery function."

      GROUP       gBondMultiSchemeGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting multiple bonding schemes."

      GROUP       gBondPmCurGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting Performance Monitoring."

      GROUP       gBondPm15MinGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting 15-minute historical Performance Monitoring."

      GROUP       gBondPm1DayGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting 1-day historical Performance Monitoring."

      GROUP       gBondPmTcaConfGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting Performance Monitoring Threshold Crossing Alert
        notifications."

      GROUP       gBondPmTcaNotificationGroup
      DESCRIPTION
        "Support for this group is only required for implementations
        supporting Performance Monitoring Threshold Crossing Alert
        notifications."

      OBJECT      gBondPortCapSchemesSupported
      SYNTAX      IANAgBondSchemeList
      DESCRIPTION
        "Support for all bonding scheme types is not required.



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RFC 6765                       G.Bond MIB                  February 2013


        However, at least one value SHALL be supported."

      OBJECT      gBondPortCapPeerSchemesSupported
      SYNTAX      IANAgBondSchemeList
      DESCRIPTION
        "Support for all bonding scheme types is not required.
        However, at least one value SHALL be supported."

    ::= { gBondCompliances 1 }
END









































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RFC 6765                       G.Bond MIB                  February 2013


7.  IANA-Maintained G.Bond TC Definitions

  The IANA-GBOND-TC-MIB module IMPORTS objects from SNMPv2-SMI
  [RFC2578] and SNMPv2-TC [RFC2579].

IANA-GBOND-TC-MIB DEFINITIONS ::= BEGIN

 IMPORTS
   MODULE-IDENTITY,
   mib-2
     FROM SNMPv2-SMI
   TEXTUAL-CONVENTION
     FROM SNMPv2-TC
   ;
------------------------------------------------------------------------
 ianaGBondTcMIB MODULE-IDENTITY
   LAST-UPDATED "201302200000Z"  -- 20 February 2013
   ORGANIZATION "IANA"
   CONTACT-INFO "        Internet Assigned Numbers Authority

                 Postal: ICANN
                         12025 Waterfront Drive, Suite 300
                         Los Angeles, CA 90094-2536

                    Tel: +1-310-301-5800
                  EMail: [email protected]"

   DESCRIPTION
     "This MIB module defines IANAgBondScheme and IANAgBondSchemeList
     TEXTUAL-CONVENTIONs, specifying enumerated values of the
     gBondPortConfAdminScheme, gBondPortConfPeerAdminScheme,
     gBondPortStatOperScheme, gBondPortStatPeerOperScheme,
     gBondPortCapSchemesSupported, and gBondPortCapPeerSchemesSupported
     objects, respectively, as defined in the GBOND-MIB.

     It is intended that each new bonding scheme defined by the
     ITU-T Q4/SG15 working group and approved for publication in a
     revision of the ITU-T G.998 specification will be added to this
     MIB module, provided that it is suitable for being managed by the
     base objects in the GBOND-MIB.  An Expert Review, as defined in
     RFC 5226, is REQUIRED for such additions.

     The following references are used throughout this MIB module:

     [G.998.1] refers to:
       ITU-T Recommendation G.998.1: 'ATM-based multi-pair bonding',
       January 2005.




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RFC 6765                       G.Bond MIB                  February 2013


     [G.998.2] refers to:
       ITU-T Recommendation G.998.2: 'Ethernet-based multi-pair
       bonding', January 2005.

     [G.998.3] refers to:
       ITU-T Recommendation G.998.3: 'Multi-pair bonding using
       time-division inverse multiplexing', January 2005.

     Naming Conventions:
       BCE   - Bonding Channel Entity
       GBS   - Generic Bonding Sub-layer

     These references should be updated as appropriate when a new
     bonding scheme is added to this MIB module.

     Copyright (c) 2013 IETF Trust and the persons identified as
     authors of the code.  All rights reserved.

     Redistribution and use in source and binary forms, with or without
     modification, is permitted pursuant to, and subject to the license
     terms contained in, the Simplified BSD License set forth in
     Section 4.c of the IETF Trust's Legal Provisions Relating to IETF
     Documents (http://trustee.ietf.org/license-info)."

   REVISION    "201302200000Z"  -- 20 February 2013
   DESCRIPTION "Initial version, published as RFC 6765."

   ::= { mib-2 215 }

  -- Textual Conventions

  IANAgBondSchemeList ::= TEXTUAL-CONVENTION
    STATUS      current
    DESCRIPTION
      "This textual convention defines a bitmap of possible ITU-T
      G.998 (G.Bond) bonding schemes.  Currently, the following values
      are defined for the corresponding bonding schemes:
        g9981(1) - G.998.1 (G.Bond/ATM; see the G9981-MIB)
        g9982(2) - G.998.2 (G.Bond/Ethernet; see the G9982-MIB)
        g9983(3) - G.998.3 (G.Bond/TDIM; see the G9983-MIB)
      An additional value of none(0) can be returned as a result
      of a GET operation when a value of the object cannot be
      determined (for example, a peer GBS cannot be reached), the port
      does not support any kind of bonding, or when a single-BCE
      G.998.2 GBS supports bonding (frame fragmentation/reassembly)
      bypass."





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RFC 6765                       G.Bond MIB                  February 2013


    SYNTAX      BITS {
      none(0),
      g9981(1),
      g9982(2),
      g9983(3)
    }

  IANAgBondScheme ::= TEXTUAL-CONVENTION
    STATUS      current
    DESCRIPTION
      "This textual convention defines ITU-T G.998 bonding scheme
      values.  Possible values are:
        none(0)    - no bonding (e.g., on a single-BCE G.998.2 GBS)
                     or unknown
        g9981(1)   - G.998.1 (G.Bond/ATM)
        g9982(2)   - G.998.2 (G.Bond/Ethernet)
        g9983(3)   - G.998.3 (G.Bond/TDIM)"
    SYNTAX      INTEGER {
      none(0),
      g9981(1),
      g9982(2),
      g9983(3)
    }

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
  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  Changing of the gBondPortConfAdminScheme object may lead to a
     potential locking of the link, if the peer device does not support
     the desired bonding scheme.

  o  Changing of the gBondPortConfDiscoveryCode object, before the
     discovery operation, may lead to a wrongful discovery -- for
     example, when two CO ports are connected to the same multi-channel
     RT port, while both CO ports have the same discovery register
     value.






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  o  Changing of the target upstream/downstream data rate via
     gBondPortConfTargetUpDataRate/gBondPortConfTargetDnDataRate may
     lead to anything from degradation of link quality and data rate to
     a complete link initialization failure, as the ability of a G.Bond
     port to support a particular configuration depends on the copper
     environment.

  o  Activation of a specific line/channel may cause a severe
     degradation of service for another G.Bond port, whose channel(s)
     may be affected by the cross-talk from the newly activated
     channel.

  o  Removal of a channel from an operationally 'up' G.Bond port,
     aggregating several channels, may cause degradation of the port's
     data rate.

  Some of the readable objects in this MIB module (i.e., those with
  MAX-ACCESS other than not-accessible) may be considered sensitive or
  vulnerable in some network environments since, collectively, they
  provide information about the performance of network interfaces and
  can reveal some aspects of their configuration.

  In particular, since a bonded xDSL port can be comprised of multiple
  Unshielded Twisted Pair (UTP) voice-grade copper, located in the same
  bundle with other pairs belonging to another operator/customer, it is
  theoretically possible to eavesdrop on a G.Bond transmission, simply
  by "listening" to cross-talk from the bonded pairs, especially if the
  operating parameters of the G.Bond link in question are known.

  It is thus important to control even GET and/or NOTIFY access to
  these objects and possibly to even encrypt the values of these
  objects when sending them over the network via SNMP.  These are the
  tables and objects and their sensitivity/vulnerability:

  o  gBondPortStatTable - objects in this table provide status
     information for the G.Bond port, which may aid in identification
     of the pairs belonging to the bonded port and eavesdropping on the
     traffic over that port.

  SNMP versions prior to SNMPv3 did not include adequate security.
  Even if the network itself is secure (for example by using IPsec),
  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.

  Implementations SHOULD provide the security features described by the
  SNMPv3 framework (see [RFC3410]), and implementations claiming
  compliance to the SNMPv3 standard MUST include full support for



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  authentication and privacy via the User-based Security Model (USM)
  [RFC3414] with the AES cipher algorithm [RFC3826].  Implementations
  MAY also provide support for the Transport Security Model (TSM)
  [RFC5591] in combination with a secure transport such as SSH
  [RFC5592] or TLS/DTLS [RFC6353].

  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

  Three new values of IANAifType -- g9981(263), g9982(264), and
  g9983(265) -- have been allocated by IANA <http://www.iana.org/> in
  the IANAifType-MIB module [IANAifType-MIB].

  An object identifier for gBondMIB MODULE-IDENTITY has been allocated
  by IANA in the MIB-2 transmission sub-tree (211).

  This document defines the first version of the IANA-maintained IANA-
  GBOND-TC-MIB module.  It is intended that each new G.998 bonding
  scheme defined by the ITU-T Q4/SG15 working group and approved for
  publication in a revision of ITU-T G.998.x will be added to the IANA-
  maintained MIB module, provided that it is suitable for being managed
  by the base objects in the GBOND-MIB module.  An object identifier
  for ianaGBondTcMIB MODULE-IDENTITY has been allocated by IANA in the
  MIB-2 transmission sub-tree (215).

  For each new bonding scheme added, a short description of the bonding
  protocol and, wherever possible, a reference to a publicly available
  specification SHOULD be specified.  An Expert Review, as defined in
  [RFC5226], is REQUIRED for each modification.

10.  Acknowledgments

  This document was produced by the [ADSLMIB] working group.

  Special thanks to Dan Romascanu for his meticulous review of this
  text.








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11.  References

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.

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

  [RFC3414]  Blumenthal, U. and B. Wijnen, "User-based Security Model
             (USM) for version 3 of the Simple Network Management
             Protocol (SNMPv3)", STD 62, RFC 3414, December 2002.

  [RFC3705]  Ray, B. and R. Abbi, "High Capacity Textual Conventions
             for MIB Modules Using Performance History Based on 15
             Minute Intervals", RFC 3705, February 2004.

  [RFC3826]  Blumenthal, U., Maino, F., and K. McCloghrie, "The
             Advanced Encryption Standard (AES) Cipher Algorithm in the
             SNMP User-based Security Model", RFC 3826, June 2004.

  [RFC5226]  Narten, T. and H. Alvestrand, "Guidelines for Writing an
             IANA Considerations Section in RFCs", BCP 26, RFC 5226,
             May 2008.

  [RFC5591]  Harrington, D. and W. Hardaker, "Transport Security Model
             for the Simple Network Management Protocol (SNMP)",
             RFC 5591, June 2009.





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  [RFC5592]  Harrington, D., Salowey, J., and W. Hardaker, "Secure
             Shell Transport Model for the Simple Network Management
             Protocol (SNMP)", RFC 5592, June 2009.

  [RFC6353]  Hardaker, W., "Transport Layer Security (TLS) Transport
             Model for the Simple Network Management Protocol (SNMP)",
             RFC 6353, July 2011.

  [TR-159]   Beili, E. and M. Morgenstern, "Management Framework for
             xDSL Bonding", Broadband Forum Technical Report TR-159,
             December 2008, <http://www.broadband-forum.org/technical/
             download/TR-159.pdf>.

11.2.  Informative References

  [802.3]    IEEE, "IEEE Standard for Information technology -
             Telecommunications and information exchange between
             systems - Local and metropolitan area networks - Specific
             requirements - Part 3: Carrier Sense Multiple Access with
             Collision Detection (CSMA/CD) Access Method and Physical
             Layer Specifications", IEEE Std 802.3-2005, December 2005.

  [ADSLMIB]  IETF, "ADSL MIB (adslmib) Charter",
             <http://datatracker.ietf.org/wg/adslmib/charter/>.

  [AF-PHY-0086]
             ATM Forum, "Inverse Multiplexing for ATM (IMA)
             Specification Version 1.1", ATM Forum specification af-
             phy-0086.001, March 1999, <http://www.broadband-forum.org/
             ftp/pub/approved-specs/af-phy-0086.001.pdf>.

  [G.994.1]  ITU-T, "Handshake procedures for digital subscriber line
             (DSL) transceivers", ITU-T Recommendation G.994.1,
             June 2012, <http://www.itu.int/rec/T-REC-G.994.1/en>.

  [G.998.1]  ITU-T, "ATM-based multi-pair bonding", ITU-T
             Recommendation G.998.1, January 2005,
             <http://www.itu.int/rec/T-REC-G.998.1/en>.

  [G.998.2]  ITU-T, "Ethernet-based multi-pair bonding", ITU-T
             Recommendation G.998.2, January 2005,
             <http://www.itu.int/rec/T-REC-G.998.2/en>.

  [G.998.3]  ITU-T, "Multi-pair bonding using time-division inverse
             multiplexing", ITU-T Recommendation G.998.3, January 2005,
             <http://www.itu.int/rec/T-REC-G.998.3/en>.





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  [IANAifType-MIB]
             Internet Assigned Numbers Authority (IANA), "IANAifType
             Textual Convention definition",
             <http://www.iana.org/assignments/ianaiftype-mib>.

  [RFC2790]  Waldbusser, S. and P. Grillo, "Host Resources MIB",
             RFC 2790, March 2000.

  [RFC2864]  McCloghrie, K. and G. Hanson, "The Inverted Stack Table
             Extension to the Interfaces Group MIB", RFC 2864,
             June 2000.

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

  [RFC3440]  Ly, F. and G. Bathrick, "Definitions of Extension Managed
             Objects for Asymmetric Digital Subscriber Lines",
             RFC 3440, December 2002.

  [RFC3593]  Tesink, K., "Textual Conventions for MIB Modules Using
             Performance History Based on 15 Minute Intervals",
             RFC 3593, September 2003.

  [RFC3728]  Ray, B. and R. Abbi, "Definitions of Managed Objects for
             Very High Speed Digital Subscriber Lines (VDSL)",
             RFC 3728, February 2004.

  [RFC4181]  Heard, C., "Guidelines for Authors and Reviewers of MIB
             Documents", BCP 111, RFC 4181, September 2005.

  [RFC4319]  Sikes, C., Ray, B., and R. Abbi, "Definitions of Managed
             Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and
             Single-Pair High-Speed Digital Subscriber Line (SHDSL)
             Lines", RFC 4319, December 2005.

  [RFC4706]  Morgenstern, M., Dodge, M., Baillie, S., and U. Bonollo,
             "Definitions of Managed Objects for Asymmetric Digital
             Subscriber Line 2 (ADSL2)", RFC 4706, November 2006.

  [RFC5066]  Beili, E., "Ethernet in the First Mile Copper (EFMCu)
             Interfaces MIB", RFC 5066, November 2007.

  [RFC5650]  Morgenstern, M., Baillie, S., and U. Bonollo, "Definitions
             of Managed Objects for Very High Speed Digital Subscriber
             Line 2 (VDSL2)", RFC 5650, September 2009.





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  [RFC5905]  Mills, D., Martin, J., Burbank, J., and W. Kasch, "Network
             Time Protocol Version 4: Protocol and Algorithms
             Specification", RFC 5905, June 2010.

  [RFC6766]  Beili, E., "xDSL Multi-Pair Bonding Using Time-Division
             Inverse Multiplexing (G.Bond/TDIM) MIB", RFC 6766,
             February 2013.

  [RFC6767]  Beili, E. and M. Morgenstern, "Ethernet-Based xDSL Multi-
             Pair Bonding (G.Bond/Ethernet) MIB", RFC 6767,
             February 2013.

  [RFC6768]  Beili, E., "ATM-Based xDSL Bonded Interfaces MIB",
             RFC 6768, February 2013.

Authors' Addresses

  Edward Beili
  Actelis Networks
  25 Bazel St.
  Petach-Tikva  49103
  Israel

  Phone: +972-3-924-3491
  EMail: [email protected]


  Moti Morgenstern
  ECI Telecom
  30 Hasivim St.
  Petach-Tikva  4951169
  Israel

  Phone: +972-3-926-6258
  EMail: [email protected]
















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