Internet Engineering Task Force (IETF) E. Beili Request for Comments: 6767 Actelis Networks Category: Standards Track M. Morgenstern ISSN: 2070-1721 ECI Telecom February 2013
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 GBOND-MIB module with a set of objects for managing Ethernet-based multi-pair bonded Digital Subscriber Line (xDSL) interfaces, as defined in ITU-T Recommendation G.998.2.
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/rfc6767.
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.
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Table of Contents
1. Introduction ....................................................2 2. The Internet-Standard Management Framework ......................2 3. The Broadband Forum Management Framework for xDSL Bonding .......3 4. Relationship to Other MIB Modules ...............................3 4.1. Relationship to Interfaces Group MIB Module ................3 4.2. Relationship to G.Bond MIB Module ..........................3 4.2.1. BACP-Based Discovery ................................3 4.3. Relationship to EFM Copper MIB Module ......................5 4.4. Relationship to IEEE 802.3.1 MIB Modules ...................6 5. MIB Structure ...................................................6 5.1. Overview ...................................................6 5.2. Performance Monitoring .....................................7 5.3. Mapping of Broadband Forum TR-159 Managed Objects ..........7 6. G.Bond/Ethernet MIB Definitions .................................9 7. Security Considerations ........................................49 8. IANA Considerations ............................................50 9. Acknowledgments ................................................50 10. References ....................................................50 10.1. Normative References .....................................50 10.2. Informative References ...................................52
Ethernet-based xDSL Multi-Pair Bonding, a.k.a. G.Bond/Ethernet, is specified in ITU-T Recommendation G.998.2 [G.998.2], which defines a method for bonding (or aggregating) multiple xDSL lines (or individual bearer channels in multiple xDSL lines) into a single bidirectional logical link carrying Ethernet traffic.
The MIB module defined in this document provides G.Bond/ Ethernet-specific objects for the management of G.998.2 bonded interfaces, extending the common bonding objects specified in the GBOND-MIB module [RFC6765].
For a detailed overview of the documents that describe the current Internet-Standard Management Framework, please refer to section 7 of RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. MIB objects are generally accessed through the Simple Network Management Protocol (SNMP). Objects in the MIB are defined using the mechanisms defined in the Structure of Management Information (SMI). This memo specifies a MIB
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.
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), G.Bond MIB (GBOND-MIB), and Ethernet in the First Mile (EFM) Copper MIB (EFM-CU-MIB).
A G.Bond/Ethernet port is a private case of a bonded multi-pair xDSL interface and as such is managed using generic interface management objects defined in the IF-MIB [RFC2863]. In particular, an interface index (ifIndex) is used to index instances of G.Bond/Ethernet ports, as well as xDSL lines/channels, in a managed system.
The GBOND-MIB module [RFC6765] defines management objects common for all bonded multi-pair xDSL interfaces. In particular, it describes the bonding management, bonded port and channel configuration, handshake-based discovery, initialization sequence, etc.
Both the GBOND-MIB [RFC6765] and G9982-MIB (this document) modules are REQUIRED to manage a G.Bond/Ethernet port.
All G.998 protocols share a remote Bonding Channel Entity (BCE) discovery, using the [G.994.1] handshake (G.hs). The GBOND-MIB module provides an example of an automatic BCE connection to the corresponding Generic Bonding Sub-layer (GBS) ports of a generic
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G.998 multi-port Central Office (CO) device, using G.hs-based BCE discovery. Amendment 2 to the ITU-T G.998.2 specification [G.998.2-Amd2] provides an alternative optional Bonding Aggregation Control Protocol (BACP) for in-service discovery, aggregation, and pair management.
The following pseudocode gives the same example of the discovery and automatic BCE assignment for a multi-GBS G.Bond/Eth CO device, using BACP objects defined in this MIB module, as well as the IF-CAP-STACK-MIB [RFC5066] 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 ) { IF ( gbs[i].g9982OperCp == cpBACP ) { // Using BACP
// Get Eligible Group ID and Remote Group ID // from a connected BCE (during BACP // initialization, each BCE is connected to its own GBS) gid = ifStackTable[gbs[i]].bce[0].g9982BceEligibleGroupID; rgid = ifStackTable[gbs[i]].bce[0].g9982BcePeerEligibleGroupID;
// 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 { // Read the Remote Group ID for the selected BCE // and compare it with the Remote Group ID of the connected // BCE. r = bce[j].g9982BcePeerEligibleGroupID; IF ( r == rgid AND gbs[i].NumBCEs < gbs[i].BondCapacity ) { // The Remote Terminal device (RT) connected via BCE[j] is // 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]]).
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ADD bce[j] 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 have connected them to GBS[i]. Go to the next GBS. BREAK; } ELSE { // Use default G.hs discovery protocol. ... } } }
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. When BACP is used, the g9982BceConfEligibleGroupID object identifying bonding eligibility MUST be automatically updated whenever the ifCapStackTable/ifInvCapStackTable are changed.
The EFM-CU-MIB module [RFC5066] defines objects for managing Ethernet in the First Mile Copper (EFMCu) interfaces 10PASS-TS and 2BASE-TL, as defined in IEEE Std 802.3-2005 [802.3]. These interfaces are based on Single-pair High-speed DSL (SHDSL) [G.991.2] and Very high speed DSL (VDSL) [G.993.1] technology, respectively, and can be optionally aggregated (bonded).
The ITU-T G.998.2 specification extends the IEEE 802.3 Clause 61 bonding to work over any xDSL technology, providing the ability to bond individual channels as well as physical lines. It also allows the use of alternative High-level Data Link Control (HDLC) encapsulation instead of the default 64/65-octet encapsulation and adds a new optional Bonding Aggregation Control Protocol (BACP) for in-service discovery, aggregation, and pair management instead of the default G.hs-based bonding protocol, which cannot be used in-service, while the link is 'up'.
EFM-CU-MIB can be used to manage all aspects of the EFMCu physical interfaces (PHYs), including complete (within the scope of the 802.3 standard) management of the SHDSL/VDSL lines. The GBOND-MIB and G9982-MIB modules, on the other hand, provide management objects only for the bonding part, leaving the management of the individual xDSL interfaces (lines/channels) to the respective xDSL-LINE-MIB modules.
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Therefore, an IEEE 802.3 2BASE-TL/10PASS-TS interface can be managed by either combination of the following MIB modules:
(The EtherLike-MIB, HDSL2-SHDSL-LINE-MIB, and VDSL-LINE-MIB modules are found in [RFC3635], [RFC4319], and [RFC3728], respectively.)
Note also that while EFM-CU-MIB relies on the ifMauMediaAvailable object from MAU-MIB [RFC4836] for the additional bonded xDSL-specific operational states, GBOND-MIB provides these indications via the gBondPortStatFltStatus object, complementing the ifOperStatus object from the IF-MIB.
Finally, the EFM-CU-MIB does not include historical Performance Monitoring (PM), while the GBOND-MIB/G9982-MIB/xDSL-LINE-MIB combination provides full PM functionality for a bonded link and individual xDSL lines.
The IEEE 802.3 working group chartered a task force [IEEE802.3.1], which continues the development of standard Ethernet-related MIB modules based on the initial work done in the IETF. Future projects resulting from the work of this task force may include and possibly extend the work done in the IETF.
The main management objects defined in the G9982-MIB module are split into 2 groups, structured as recommended by RFC 4181 [RFC4181]:
o g9982Port - containing objects for configuration, capabilities, status, and PM of G.Bond/Eth ports. Note that the rest of the objects for the Generic Bonding Sub-layer (GBS) port configuration, capabilities, status, notifications, and PM are located in the GBOND-MIB module.
o g9982Bce - containing objects representing OPTIONAL status information and BACP configuration for each Bonding Channel Entity (BCE). Note that the rest of the objects for the BCE
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configuration, capabilities, status, and notifications are located in relevant xDSL line MIB modules as well as in the GBOND-MIB module.
The OPTIONAL Performance Monitoring counters, thresholds, and history buckets (interval-counters), similar to those 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 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.
Counters are not reset when a GBS is re-initialized, but rather only when the agent is reset or re-initialized.
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 the managed objects defined in this document.
Note that some of the mapping between the objects defined in TR-159 and the ones defined in this MIB module is not one-to-one; for example, while TR-159 PM attributes aGroupPerf* map to the corresponding gBondPortPm* objects of the GBOND-MIB module, there are no dedicated PM attributes for the g9982PortPm* objects introduced in this MIB module. However, since their definition is identical to the definition of gBondPortPm* objects of the GBOND-MIB module, we can map g9982PortPm* to the relevant aGroupPerf* attributes of TR-159 and use the term 'partial mapping' to denote the fact that this mapping is not one-to-one.
The G9982-MIB module IMPORTS objects from SNMPv2-SMI [RFC2578], SNMPv2-TC [RFC2579], SNMPv2-CONF [RFC2580], IF-MIB [RFC2863], and HC-PerfHist-TC-MIB [RFC3705]. The module has been structured as recommended by [RFC4181].
G9982-MIB DEFINITIONS ::= BEGIN
IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Counter32, mib-2, Unsigned32 FROM SNMPv2-SMI -- RFC 2578 TEXTUAL-CONVENTION, TruthValue, PhysAddress FROM SNMPv2-TC -- RFC 2579 MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF -- RFC 2580 ifIndex FROM IF-MIB -- RFC 2863 HCPerfCurrentCount, HCPerfValidIntervals, HCPerfInvalidIntervals, HCPerfTimeElapsed FROM HC-PerfHist-TC-MIB -- RFC 3705 ; ------------------------------------------------------------------------ g9982MIB 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: adslmib@ietf.org To Subscribe: adslmib-request@ietf.org In Body: subscribe your_email_address
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Chair: Menachem Dodge Postal: ECI Telecom, Ltd. 30 Hasivim St. Petach-Tikva 4951169 Israel Phone: +972-3-926-8421 EMail: menachemdodge1@gmail.com
Editor: Edward Beili Postal: Actelis Networks, Inc. 25 Bazel St., P.O.B. 10173 Petach-Tikva 49103 Israel Phone: +972-3-924-3491 EMail: edward.beili@actelis.com
Editor: Moti Morgenstern Postal: ECI Telecom 30 Hasivim St. Petach-Tikva 4951169 Israel Phone: +972-3-926-6258 EMail: moti.morgenstern@ecitele.com"
DESCRIPTION "The objects in this MIB module are used to manage the Ethernet-based multi-pair bonded xDSL interfaces, as defined in ITU-T Recommendation G.998.2 (G.Bond/Ethernet).
This MIB module MUST be used in conjunction with the GBOND-MIB module, common to all G.Bond technologies.
The following references are used throughout this MIB module:
[G.998.2] refers to: ITU-T Recommendation G.998.2: 'Ethernet-based multi-pair bonding', January 2005.
[G.998.2-Amd2] refers to: ITU-T Recommendation G.998.2 Amendment 2, December 2007.
[802.3] refers to: IEEE Std 802.3-2005: 'IEEE Standard for Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements -
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Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications', December 2005.
[TR-159] refers to: Broadband Forum Technical Report: 'Management Framework for xDSL Bonding', December 2008.
Naming Conventions: BACP - Bonding Aggregation Control Protocol 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 HDLC - High-level Data Link Control PTM-TC - Packet Transfer Mode Transmission Convergence (sub-layer) SNR - Signal to Noise Ratio TC - Transmission Convergence (sub-layer) UAS - Unavailable Seconds
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 6767."
::= { mib-2 264 }
-- Sections of the module -- Structured as recommended by RFC 4181, Appendix D
G9982PtmTcType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "This textual convention represents possible PTM-TC types in G.Bond/Eth ports. The following values are defined: tc6465 - 64/65-octet encapsulation, as defined in [802.3] Clause 61.3.3. tcHDLC - HDLC encapsulation, as defined in [G.998.2] Annex B." SYNTAX INTEGER { tc6465(1), tcHDLC(2) }
G9982CpType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "This textual convention represents possible control protocol types in G.Bond/Eth ports. The following values are defined: unknown - the control protocol cannot be determined. cpHS - G.hs-based discovery and aggregation, as specified in [G.998.2]. cpBACP - Bonding Aggregation Control Protocol (BACP) -- a frame-based discovery, aggregation, and link management protocol, as specified in [G.998.2-Amd2] Annex C." SYNTAX INTEGER { unknown(0), cpHS(1), cpBACP(2) }
------------------------------- -- GBS Notifications group -------------------------------
-- empty --
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------------------------------- -- GBS group -------------------------------
g9982PortConfTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortConfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Table for configuration of G.Bond/Eth GBS ports. Entries in this table MUST be maintained in a persistent manner." ::= { g9982Port 1 }
g9982PortConfEntry OBJECT-TYPE SYNTAX G9982PortConfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth Port Configuration table. Each entry represents a G.Bond Ethernet port indexed by the ifIndex. Note that a G.Bond/Eth GBS port runs on top of a single or multiple BCE port(s), which are also indexed by the ifIndex." INDEX { ifIndex } ::= { g9982PortConfTable 1 }
g9982PortConfTcAdminType OBJECT-TYPE SYNTAX G9982PtmTcType MAX-ACCESS read-write STATUS current DESCRIPTION "Administrative (desired) PTM-TC encapsulation type of a G.Bond/Eth port (GBS). Possible values are: tc6465(1) - 64/65-octet encapsulation tcHDLC(2) - HDLC encapsulation
Attempts to set a port to a non-supported PTM-TC encapsulation type (see g9982PortCapTcTypesSupported) SHALL be rejected (with the error inconsistentValue).
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Changing g9982PortConfTcAdminType is a traffic-disruptive operation and as such SHALL be done when the link (GBS) is administratively 'down', as indicated by the ifAdminStatus object in the IF-MIB. Attempts to change this object SHALL be rejected (with the error inconsistentValue) if the link is 'up' or initializing.
This object maps to the TR-159 attribute aEthTcAdminType." REFERENCE "[TR-159], Section 5.5.3.4; RFC 2863, IF-MIB, ifAdminStatus" ::= { g9982PortConfEntry 1 }
g9982PortConfAdminCp OBJECT-TYPE SYNTAX G9982CpType MAX-ACCESS read-write STATUS current DESCRIPTION "Administrative (desired) bonding control protocol of a G.Bond/Eth port (GBS). Possible values are: cpHS(1) - use G.hs-based protocol (default) cpBACP(2) - use frame-based BACP
Note that G.hs-based protocol support is mandatory, according to [G.998.2]. Attempts to set a port to a non-supported bonding control protocol (e.g., BACP if the value of g9982PortCapBacpSupported is false) SHALL be rejected (with the error inconsistentValue).
Changing g9982PortConfAdminCp is a traffic-disruptive operation and as such SHALL be done when the link (GBS) is administratively 'down', as indicated by the ifAdminStatus object in the IF-MIB. Attempts to change this object SHALL be rejected (with the error inconsistentValue) if the link is 'up' or initializing.
This object maps to the TR-159 attribute aEthAdminCP." REFERENCE "[TR-159], Section 5.5.3.2; RFC 2863, IF-MIB, ifAdminStatus" DEFVAL { cpHS } ::= { g9982PortConfEntry 2 }
g9982PortCapTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortCapEntry MAX-ACCESS not-accessible STATUS current
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DESCRIPTION "Table for capabilities of G.Bond/Eth ports. Entries in this table MUST be maintained in a persistent manner." ::= { g9982Port 2 }
g9982PortCapEntry OBJECT-TYPE SYNTAX G9982PortCapEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth 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 } ::= { g9982PortCapTable 1 }
g9982PortCapTcTypesSupported OBJECT-TYPE SYNTAX BITS { tc6465(0), tcHDLC(1) } MAX-ACCESS read-only STATUS current DESCRIPTION "PTM-TC encapsulation types supported by the G.Bond/Eth port. This is a bitmap of possible encapsulation types. The various bit positions are: tc6465 - GBS is capable of 64/65-octet encapsulation tcHDLC - GBS is capable of HDLC encapsulation
A desired encapsulation is determined by g9982PortConfTcAdminType, while g9982PortStatTcOperType reflects the current operating mode.
This object maps to the TR-159 attribute aEthTcTypesSupported." REFERENCE "[TR-159], Section 5.5.3.6" ::= { g9982PortCapEntry 1 }
MAX-ACCESS read-only STATUS current DESCRIPTION "Indicates whether the Bonding Aggregation Control Protocol (BACP) -- the frame-based discovery, aggregation, and link management protocol specified in [G.998.2-Amd2]) is supported by the G.Bond/Ethernet port. A value of true(1) indicates that BACP is supported. A value of false(2) indicates that BACP is unsupported.
The BACP functionality, if supported, can be enabled or disabled via g9982AdminCP, while g9982OperCP reflects the current BACP operating mode.
This object maps to the TR-159 attribute aEthBACPSupported." REFERENCE "[TR-159], Section 5.5.3.1; [G.998.2-Amd2], Annex C" ::= { g9982PortCapEntry 2 }
g9982PortStatTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortStatEntry 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." ::= { g9982Port 3 }
g9982PortStatEntry OBJECT-TYPE SYNTAX G9982PortStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth Port Status table. Each entry represents a G.Bond/Eth 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 } ::= { g9982PortStatTable 1 }
g9982PortStatTcOperType OBJECT-TYPE SYNTAX G9982PtmTcType MAX-ACCESS read-only STATUS current DESCRIPTION "Current operational encapsulation type of the G.Bond/Eth port. Possible values are: tc6465(1) - GBS uses 64/65-octet encapsulation tcHDLC(2) - GBS uses HDLC encapsulation
The operational PTM-TC encapsulation type can be configured via g9982PortConfTcAdminType.
This object maps to the TR-159 attribute aEthTcOperType." REFERENCE "[TR-159], Section 5.5.3.5" ::= { g9982PortStatEntry 1 }
g9982PortStatOperCp OBJECT-TYPE SYNTAX G9982CpType MAX-ACCESS read-only STATUS current DESCRIPTION "Current operational bonding discovery and aggregation control protocol of the G.Bond/Eth port. Possible values are: unknown(0) - the protocol cannot be determined, e.g., when the GBS is 'down' cpHS(1) - GBS uses G.hs-based protocol cpBACP(2) - GBS uses frame-based BACP
The operational discovery and aggregation control protocol can be configured via the g9982PortConfAdminCp variable.
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This object maps to the TR-159 attribute aEthOperCP." REFERENCE "[TR-159], Section 5.5.3.3" ::= { g9982PortStatEntry 2 }
g9982PortStatRxErrors OBJECT-TYPE SYNTAX Counter32 UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A number of Ethernet frame fragments that have been received by the bonding function and discarded due to various errors.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxErrors." REFERENCE "[TR-159], Section 5.5.3.7" ::= { g9982PortStatEntry 3 }
g9982PortStatRxSmallFragments OBJECT-TYPE SYNTAX Counter32 UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A number of fragments smaller than minFragmentSize (64 bytes) that have been received by the bonding function and discarded.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxSmallFragments." REFERENCE "[TR-159], Section 5.5.3.8" ::= { g9982PortStatEntry 4 }
g9982PortStatRxLargeFragments OBJECT-TYPE SYNTAX Counter32 UNITS "fragments" MAX-ACCESS read-only STATUS current
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DESCRIPTION "A number of fragments larger than maxFragmentSize (512 bytes) that have been received by the bonding function and discarded.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxLargeFragments." REFERENCE "[TR-159], Section 5.5.3.9" ::= { g9982PortStatEntry 5 }
g9982PortStatRxBadFragments OBJECT-TYPE SYNTAX Counter32 UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A number of fragments that do not fit into the sequence expected by the frame assembly function and that have been received and discarded by the bonding function (the frame buffer is flushed to the next valid frame start).
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxBadFragments." REFERENCE "[TR-159], Section 5.5.3.10" ::= { g9982PortStatEntry 6 }
g9982PortStatRxLostFragments OBJECT-TYPE SYNTAX Counter32 UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A number of gaps in the sequence of fragments that have been received by the bonding function (the frame buffer is flushed to the next valid frame start, when a fragment or fragments expected by the frame assembly function are not received).
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Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxLostFragments." REFERENCE "[TR-159], Section 5.5.3.11" ::= { g9982PortStatEntry 7 }
g9982PortStatRxLostStarts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A number of missing StartOfPacket indicators expected by the frame assembly function.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxLostStarts." REFERENCE "[TR-159], Section 5.5.3.12" ::= { g9982PortStatEntry 8 }
g9982PortStatRxLostEnds OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A number of missing EndOfPacket indicators expected by the frame assembly function.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxLostEnds." REFERENCE "[TR-159], Section 5.5.3.13" ::= { g9982PortStatEntry 9 }
UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A number of fragments, received and discarded by the bonding function, that would have caused the frame assembly buffer to overflow.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aEthRxOverflows." REFERENCE "[TR-159], Section 5.5.3.14" ::= { g9982PortStatEntry 10 }
------------------------------- -- GBS Performance Monitoring group -------------------------------
g9982PM OBJECT IDENTIFIER ::= { g9982Port 4 }
g9982PortPmCurTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortPmCurEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains current Performance Monitoring information for a G.Bond/Eth port. This table contains live data from the equipment and as such is NOT persistent." ::= { g9982PM 1 }
g9982PortPmCurEntry OBJECT-TYPE SYNTAX G9982PortPmCurEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth Port PM table. Each entry represents a G.Bond/Eth port indexed by the ifIndex." INDEX { ifIndex } ::= { g9982PortPmCurTable 1 }
g9982PortPm15MinValidIntervals OBJECT-TYPE SYNTAX HCPerfValidIntervals MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only number of 15-minute intervals for which the performance 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. 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 partially maps to the TR-159 attribute aGroupPerf15MinValidIntervals." REFERENCE "[TR-159], Section 5.5.1.32" ::= { g9982PortPmCurEntry 1 }
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RFC 6767 G.Bond/Ethernet MIB February 2013
g9982PortPm15MinInvalidIntervals OBJECT-TYPE SYNTAX HCPerfInvalidIntervals MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only number of 15-minute intervals for which the performance 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 partially maps to the TR-159 attribute aGroupPerf15MinInvalidIntervals." REFERENCE "[TR-159], Section 5.5.1.33" ::= { g9982PortPmCurEntry 2 }
g9982PortPmCur15MinTimeElapsed OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of seconds that have elapsed since the beginning of the current 15-minute performance interval.
This object partially maps to the TR-159 attribute aGroupPerfCurr15MinTimeElapsed." REFERENCE "[TR-159], Section 5.5.1.34" ::= { g9982PortPmCurEntry 3 }
g9982PortPmCur15MinRxErrors OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of errored fragments received and discarded by a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of errored fragments is indicated by the g9982PortStatRxErrors object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.7" ::= { g9982PortPmCurEntry 4}
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RFC 6767 G.Bond/Ethernet MIB February 2013
g9982PortPmCur15MinRxSmallFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments smaller than minFragmentSize (64 bytes) that have been received and discarded by a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of small fragments is indicated by the g9982PortStatRxSmallFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.8" ::= { g9982PortPmCurEntry 5}
g9982PortPmCur15MinRxLargeFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments larger than maxFragmentSize (512 bytes) that have been received and discarded by a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of large fragments is indicated by the g9982PortStatRxLargeFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.9" ::= { g9982PortPmCurEntry 6}
g9982PortPmCur15MinRxBadFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that do not fit into the sequence expected by the frame assembly function and that have been received and discarded by a G.Bond/Eth port during the current 15-minute performance interval.
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RFC 6767 G.Bond/Ethernet MIB February 2013
Note that the total number of bad fragments is indicated by the g9982PortStatRxBadFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.10" ::= { g9982PortPmCurEntry 7}
g9982PortPmCur15MinRxLostFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of gaps in the sequence of fragments expected by the frame assembly function of a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of these lost fragments is indicated by the g9982PortStatRxLostFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.11" ::= { g9982PortPmCurEntry 8}
g9982PortPmCur15MinRxLostStarts OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing StartOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of missing StartOfPacket indicators is indicated by the g9982PortStatRxLostStarts object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.12" ::= { g9982PortPmCurEntry 9}
g9982PortPmCur15MinRxLostEnds OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current
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RFC 6767 G.Bond/Ethernet MIB February 2013
DESCRIPTION "A read-only count of missing EndOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the current 15-minute performance interval.
Note that the total number of missing EndOfPacket indicators is indicated by the g9982PortStatRxLostEnds object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.13" ::= { g9982PortPmCurEntry 10}
g9982PortPmCur15MinRxOverflows OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that have been received and discarded by a G.Bond/Eth port, which would have caused the frame assembly buffer to overflow, during the current 15-minute performance interval.
Note that the total number of fragments that would have caused the frame assembly buffer to overflow is indicated by the g9982PortStatRxOverflows object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.14" ::= { g9982PortPmCurEntry 11}
g9982PortPm1DayValidIntervals OBJECT-TYPE SYNTAX Unsigned32 (0..7) UNITS "days" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only 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."
g9982PortPm1DayInvalidIntervals OBJECT-TYPE SYNTAX Unsigned32 (0..7) UNITS "days" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only 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." REFERENCE "[TR-159], Section 5.5.1.46" ::= { g9982PortPmCurEntry 13 }
g9982PortPmCur1DayTimeElapsed OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of seconds that have elapsed since the beginning of the current 1-day performance interval." REFERENCE "[TR-159], Section 5.5.1.47" ::= { g9982PortPmCurEntry 14 }
g9982PortPmCur1DayRxErrors OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of errored fragments received and discarded by a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of errored fragments is indicated by the g9982PortStatRxErrors object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.7" ::= { g9982PortPmCurEntry 15 }
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RFC 6767 G.Bond/Ethernet MIB February 2013
g9982PortPmCur1DayRxSmallFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments smaller than minFragmentSize (64 bytes) that have been received and discarded by a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of small fragments is indicated by the g9982PortStatRxSmallFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.8" ::= { g9982PortPmCurEntry 16}
g9982PortPmCur1DayRxLargeFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments larger than maxFragmentSize (512 bytes) that have been received and discarded by a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of large fragments is indicated by the g9982PortStatRxLargeFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.9" ::= { g9982PortPmCurEntry 17}
g9982PortPmCur1DayRxBadFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that do not fit into the sequence expected by the frame assembly function and that have been received and discarded by a G.Bond/Eth port during the current 1-day performance interval.
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RFC 6767 G.Bond/Ethernet MIB February 2013
Note that the total number of bad fragments is indicated by the g9982PortStatRxBadFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.10" ::= { g9982PortPmCurEntry 18}
g9982PortPmCur1DayRxLostFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of gaps in the sequence of fragments expected by the frame assembly function of a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of these lost fragments is indicated by the g9982PortStatRxLostFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.11" ::= { g9982PortPmCurEntry 19}
g9982PortPmCur1DayRxLostStarts OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing StartOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of missing StartOfPacket indicators is indicated by the g9982PortStatRxLostStarts object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.12" ::= { g9982PortPmCurEntry 20}
g9982PortPmCur1DayRxLostEnds OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current
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RFC 6767 G.Bond/Ethernet MIB February 2013
DESCRIPTION "A read-only count of missing EndOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the current 1-day performance interval.
Note that the total number of missing EndOfPacket indicators is indicated by the g9982PortStatRxLostEnds object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.13" ::= { g9982PortPmCurEntry 21}
g9982PortPmCur1DayRxOverflows OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that have been received and discarded by a G.Bond/Eth port, which would have caused the frame assembly buffer to overflow, during the current 1-day performance interval.
Note that the total number of fragments that would have caused the frame assembly buffer to overflow is indicated by the g9982PortStatRxOverflows object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.14" ::= { g9982PortPmCurEntry 22}
-- Port PM history: 15-min buckets
g9982PortPm15MinTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortPm15MinEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains historical 15-minute buckets of Performance Monitoring information for a G.Bond/Eth port (a row for each 15-minute interval, up to 96 intervals). Entries in this table MUST be maintained in a persistent manner." ::= { g9982PM 2 }
MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth Port historical 15-minute PM table. Each entry represents Performance Monitoring data for a G.Bond/Eth port, indexed by the ifIndex, collected during a particular 15-minute interval, indexed by the g9982PortPm15MinIntervalIndex." INDEX { ifIndex, g9982PortPm15MinIntervalIndex } ::= { g9982PortPm15MinTable 1 }
g9982PortPm15MinIntervalIndex 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 partially maps to the TR-159 attribute aGroupPerf15MinIntervalNumber." REFERENCE "[TR-159], Section 5.5.1.57" ::= { g9982PortPm15MinEntry 1 }
g9982PortPm15MinIntervalMoniTime OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current
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RFC 6767 G.Bond/Ethernet MIB February 2013
DESCRIPTION "A read-only 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." ::= { g9982PortPm15MinEntry 2 }
g9982PortPm15MinIntervalRxErrors OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of errored fragments received and discarded by a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of errored fragments is indicated by the g9982PortStatRxErrors object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.7" ::= { g9982PortPm15MinEntry 3}
g9982PortPm15MinIntervalRxSmallFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments smaller than minFragmentSize (64 bytes) that have been received and discarded by a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of small fragments is indicated by the g9982PortStatRxSmallFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.8" ::= { g9982PortPm15MinEntry 4}
g9982PortPm15MinIntervalRxLargeFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only
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RFC 6767 G.Bond/Ethernet MIB February 2013
STATUS current DESCRIPTION "A read-only count of fragments larger than maxFragmentSize (512 bytes) that have been received and discarded by a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of large fragments is indicated by the g9982PortStatRxLargeFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.9" ::= { g9982PortPm15MinEntry 5}
g9982PortPm15MinIntervalRxBadFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that do not fit into the sequence expected by the frame assembly function and that have been received and discarded by a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of bad fragments is indicated by the g9982PortStatRxBadFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.10" ::= { g9982PortPm15MinEntry 6}
g9982PortPm15MinIntervalRxLostFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of gaps in the sequence of fragments expected by the frame assembly function of a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of these lost fragments is indicated by the g9982PortStatRxLostFragments object.
This object is inhibited during Unavailable Seconds (UAS)."
g9982PortPm15MinIntervalRxLostStarts OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing StartOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of missing StartOfPacket indicators is indicated by the g9982PortStatRxLostStarts object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.12" ::= { g9982PortPm15MinEntry 8}
g9982PortPm15MinIntervalRxLostEnds OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing EndOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the 15-minute performance history interval.
Note that the total number of missing EndOfPacket indicators is indicated by the g9982PortStatRxLostEnds object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.13" ::= { g9982PortPm15MinEntry 9}
g9982PortPm15MinIntervalRxOverflows OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that have been received and discarded by a G.Bond/Eth port, which would have caused the frame assembly buffer to overflow, during the 15-minute performance history interval.
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RFC 6767 G.Bond/Ethernet MIB February 2013
Note that the total number of fragments that would have caused the frame assembly buffer to overflow is indicated by the g9982PortStatRxOverflows object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.14" ::= { g9982PortPm15MinEntry 10}
g9982PortPm15MinIntervalValid 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 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 partially maps to the TR-159 attribute aGroupPerf15MinIntervalValid." REFERENCE "[TR-159], Section 5.5.1.58" ::= { g9982PortPm15MinEntry 11 }
-- Port PM history: 1-day buckets
g9982PortPm1DayTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982PortPm1DayEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains historical 1-day buckets of Performance Monitoring information for a G.Bond/Eth port (a row for each 1-day interval, up to 7 intervals). Entries in this table MUST be maintained in a persistent manner." ::= { g9982PM 3 }
g9982PortPm1DayEntry OBJECT-TYPE SYNTAX G9982PortPm1DayEntry MAX-ACCESS not-accessible STATUS current
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RFC 6767 G.Bond/Ethernet MIB February 2013
DESCRIPTION "An entry in the G.Bond/Eth port historical 1-day PM table. Each entry represents Performance Monitoring data for such a port, indexed by the ifIndex, collected during a particular 1-day interval, indexed by the g9982PortPm1DayIntervalIndex." INDEX { ifIndex, g9982PortPm1DayIntervalIndex } ::= { g9982PortPm1DayTable 1 }
g9982PortPm1DayIntervalIndex 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 partially maps to the TR-159 attribute aGroupPerf1DayIntervalNumber." REFERENCE "[TR-159], Section 5.5.1.62" ::= { g9982PortPm1DayEntry 1 }
g9982PortPm1DayIntervalMoniTime OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only 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.
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RFC 6767 G.Bond/Ethernet MIB February 2013
This object partially maps to the TR-159 attribute aGroupPerf1DayIntervalMoniSecs." REFERENCE "[TR-159], Section 5.5.1.64" ::= { g9982PortPm1DayEntry 2 }
g9982PortPm1DayIntervalRxErrors OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of errored fragments received and discarded by a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of errored fragments is indicated by the g9982PortStatRxErrors object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.7" ::= { g9982PortPm1DayEntry 3 }
g9982PortPm1DayIntervalRxSmallFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments smaller than minFragmentSize (64 bytes) that have been received and discarded by a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of small fragments is indicated by the g9982PortStatRxSmallFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.8" ::= { g9982PortPm1DayEntry 4}
g9982PortPm1DayIntervalRxLargeFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current
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RFC 6767 G.Bond/Ethernet MIB February 2013
DESCRIPTION "A read-only count of fragments larger than maxFragmentSize (512 bytes) that have been received and discarded by a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of large fragments is indicated by the g9982PortStatRxLargeFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.9" ::= { g9982PortPm1DayEntry 5}
g9982PortPm1DayIntervalRxBadFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that do not fit into the sequence expected by the frame assembly function and that have been received and discarded by a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of bad fragments is indicated by the g9982PortStatRxBadFragments object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.10" ::= { g9982PortPm1DayEntry 6}
g9982PortPm1DayIntervalRxLostFragments OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of gaps in the sequence of fragments expected by the frame assembly function of a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of these lost fragments is indicated by the g9982PortStatRxLostFragments object.
This object is inhibited during Unavailable Seconds (UAS)."
g9982PortPm1DayIntervalRxLostStarts OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing StartOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of missing StartOfPacket indicators is indicated by the g9982PortStatRxLostStarts object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.12" ::= { g9982PortPm1DayEntry 8}
g9982PortPm1DayIntervalRxLostEnds OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of missing EndOfPacket indicators expected by the frame assembly function of a G.Bond/Eth port during the 1-day performance history interval.
Note that the total number of missing EndOfPacket indicators is indicated by the g9982PortStatRxLostEnds object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.13" ::= { g9982PortPm1DayEntry 9}
g9982PortPm1DayIntervalRxOverflows OBJECT-TYPE SYNTAX HCPerfCurrentCount UNITS "fragments" MAX-ACCESS read-only STATUS current DESCRIPTION "A read-only count of fragments that have been received and discarded by a G.Bond/Eth port, which would have caused the frame assembly buffer to overflow, during the 1-day performance history interval.
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RFC 6767 G.Bond/Ethernet MIB February 2013
Note that the total number of fragments that would have caused the frame assembly buffer to overflow is indicated by the g9982PortStatRxOverflows object.
This object is inhibited during Unavailable Seconds (UAS)." REFERENCE "[TR-159], Section 5.5.3.14" ::= { g9982PortPm1DayEntry 10}
g9982PortPm1DayIntervalValid 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 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 partially maps to the TR-159 attribute aGroupPerf1DayIntervalValid." REFERENCE "[TR-159], Section 5.5.1.63" ::= { g9982PortPm1DayEntry 11 }
------------------------------- -- BCE group -------------------------------
g9982BceConfTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982BceConfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Table for configuration of G.Bond/Eth-specific aspects for the Bonding Channel Entity (BCE) ports (modems/channels).
Entries in this table MUST be maintained in a persistent manner." ::= { g9982Bce 1 }
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RFC 6767 G.Bond/Ethernet MIB February 2013
g9982BceConfEntry OBJECT-TYPE SYNTAX G9982BceConfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth BCE Configuration table. Each entry represents G.998.2-specific aspects of a BCE port indexed by the ifIndex. Note that a G.Bond/Eth BCE port can be stacked below a single GBS port, also indexed by the ifIndex." INDEX { ifIndex } ::= { g9982BceConfTable 1 }
g9982BceConfEligibleGroupID OBJECT-TYPE SYNTAX PhysAddress (SIZE(0|6)) MAX-ACCESS read-write STATUS current DESCRIPTION "BACP Eligible Group ID of a G.Bond/ETH BCE port. A universally unique 6-octet-long identifier, used by the OPTIONAL BACP, to determine bonding eligibility. When two BCEs have the same g9982BceConfEligibleGroupID on a system, they are eligible to be aggregated on that system. Typically, all BCEs on a BTU-R device would be assigned the same g9982BceConfEligibleGroupID, to assert that all of the BCEs should be in the same bonded group. BCEs with different g9982BceConfEligibleGroupID values MUST NOT be connected to the same GBS. BCEs with the same g9982BceConfEligibleGroupID MAY be connected to different GBS ports. This object MUST be instantiated during BACP initialization, when every BCE belongs to its own GBS. Attempts to change this object MUST be rejected (with the error inconsistentValue), if the BCE is aggregated with other BCEs, i.e., more than one BCE is connected to the same GBS, or if the BCE in question is not eligible to be bonded with other BCEs having the same value (e.g., the bonding is limited to a single line card and BCEs are located on different line cards, or BCEs are the channels of the same line).
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RFC 6767 G.Bond/Ethernet MIB February 2013
Note that bonding eligibility is reflected in the ifCapStackTable and its inverse, the ifInvCapStackTable; as such, any modification of g9982BceConfEligibleGroupID MUST be reflected in these tables.
A zero-length octet string SHALL be returned on an attempt to read this object on systems not supporting BACP (the value of g9982PortCapBacpSupported for the connected GBS is false).
This object maps to the TR-159 attribute aChannelEligibleGroupID." REFERENCE "[TR-159], Section 5.5.7.3" ::= { g9982BceConfEntry 1 }
g9982BceConfPeerEligibleGroupID OBJECT-TYPE SYNTAX PhysAddress (SIZE(0|6)) MAX-ACCESS read-only STATUS current DESCRIPTION "BACP Eligible Group ID of a peer G.Bond/ETH BCE port, most recently received by the local BCE via a Local info TLV BACPDU message from the peer BCE. A universally unique 6-octet-long identifier, used by the OPTIONAL BACP, to determine bonding eligibility. BCEs with different g9982BceConfPeerEligibleGroupID values MUST NOT be connected to the same GBS. BCEs with the same g9982BceConfPeerEligibleGroupID MAY be connected to different GBS ports.
A zero-length octet string SHALL be returned on an attempt to read this object on systems not supporting BACP (the value of g9982PortCapBacpSupported for the connected GBS is false) or when no BACPDUs have been received from the peer BCE.
This object maps to the G.998.2-Amd2 attribute Remote Group ID." REFERENCE "[G.998.2-Amd2], Appendix C.3.1.6" ::= { g9982BceConfEntry 2 }
g9982BceStatTable OBJECT-TYPE SYNTAX SEQUENCE OF G9982BceStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table provides common status information of G.Bond/Eth BCE ports.
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This table contains live data from the equipment. As such, it is NOT persistent." ::= { g9982Bce 2 }
g9982BceStatEntry OBJECT-TYPE SYNTAX G9982BceStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the G.Bond/Eth BCE Status table. Each entry represents common aspects of a G.Bond/Eth BCE port indexed by the ifIndex. Note that a BCE port can be stacked below a single GBS port, also indexed by the ifIndex, possibly together with other BCE ports." INDEX { ifIndex } ::= { g9982BceStatTable 1 }
g9982BceStatTcInCodingErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A number of PTM-TC encapsulation errors. This counter is incremented for each encapsulation error detected by the PTM-TC receive function.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aChannelPtmTcRxCodingViolations." REFERENCE "[TR-159], Section 5.5.7.8" ::= { g9982BceStatEntry 1 }
g9982BceStatTcInCrcErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current
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DESCRIPTION "A number of PTM-TC CRC errors. This counter is incremented for each CRC error detected by the PTM-TC receive function.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime, as defined in the IF-MIB.
This object maps to the TR-159 attribute aChannelPtmTcRxCrcErrors." REFERENCE "[TR-159], Section 5.5.7.9" ::= { g9982BceStatEntry 2 }
} STATUS current DESCRIPTION "A collection of objects representing management information for the OPTIONAL frame-based Bonding Aggregation Control Protocol (BACP) used by G.Bond/Eth GBS ports instead of the mandatory G.hs-based discovery and aggregation protocol." ::= { g9982Groups 2 }
g9982BceGroup OBJECT-GROUP OBJECTS { g9982BceStatTcInCodingErrors, g9982BceStatTcInCrcErrors } STATUS current DESCRIPTION "A collection of objects representing OPTIONAL management information for G.Bond/Eth BCE ports." ::= { g9982Groups 3 }
g9982PortPmCur1DayRxErrors, g9982PortPmCur1DayRxSmallFragments, g9982PortPmCur1DayRxLargeFragments, g9982PortPmCur1DayRxBadFragments, g9982PortPmCur1DayRxLostFragments, g9982PortPmCur1DayRxLostStarts, g9982PortPmCur1DayRxLostEnds, g9982PortPmCur1DayRxOverflows } STATUS current DESCRIPTION "A collection of objects supporting OPTIONAL current Performance Monitoring information for G.Bond/Eth ports." ::= { g9982Groups 4 }
g9982Perf15MinGroup OBJECT-GROUP OBJECTS { g9982PortPm15MinIntervalMoniTime, g9982PortPm15MinIntervalRxErrors, g9982PortPm15MinIntervalRxSmallFragments, g9982PortPm15MinIntervalRxLargeFragments, g9982PortPm15MinIntervalRxBadFragments, g9982PortPm15MinIntervalRxLostFragments, g9982PortPm15MinIntervalRxLostStarts, g9982PortPm15MinIntervalRxLostEnds, g9982PortPm15MinIntervalRxOverflows, g9982PortPm15MinIntervalValid } STATUS current DESCRIPTION "A collection of objects supporting OPTIONAL historical Performance Monitoring information for G.Bond/Eth ports, during previous 15-minute intervals." ::= { g9982Groups 5 }
STATUS current DESCRIPTION "A collection of objects supporting OPTIONAL historical Performance Monitoring information for G.Bond/Eth ports, during previous 1-day intervals." ::= { g9982Groups 6 }
g9982Compliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for G.Bond Ethernet interfaces. Compliance with the following external compliance statements is REQUIRED:
MODULE -- this module MANDATORY-GROUPS { g9982BasicGroup }
GROUP g9982BceGroup DESCRIPTION "Support for this group is OPTIONAL."
GROUP g9982BacpGroup DESCRIPTION "Support for this group is OPTIONAL and only required for implementations supporting BACP."
GROUP g9982PerfCurrGroup DESCRIPTION "Support for this group is only required for implementations supporting Performance Monitoring."
GROUP g9982Perf15MinGroup DESCRIPTION "Support for this group is only required for implementations supporting 15-minute historical Performance Monitoring."
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GROUP g9982Perf1DayGroup DESCRIPTION "Support for this group is only required for implementations supporting 1-day historical Performance Monitoring."
OBJECT g9982PortCapTcTypesSupported SYNTAX BITS { tc6465(0), tcHDLC(1) } DESCRIPTION "Support for all TC types is not required. However, at least one value SHALL be supported."
OBJECT g9982PortCapBacpSupported SYNTAX TruthValue DESCRIPTION "Support for BACP is OPTIONAL; therefore, a value of false(2) SHALL be supported."
OBJECT g9982PortConfTcAdminType MIN-ACCESS read-only DESCRIPTION "Write access is not required (needed only for GBS supporting more than a single TC encapsulation type, i.e., tc6465 and tcHDLC)."
OBJECT g9982PortConfAdminCp MIN-ACCESS read-only DESCRIPTION "Write access is not required (needed only for GBS supporting BACP in addition to mandatory G.hs-based bonding discovery and aggregation protocol)."
There are a number of managed 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 g9982PortConfTable configuration parameters (e.g., g9982PortConfTcAdminType) may lead to a complete service interruption in cases where the specified PTM-TC encapsulation type is not supported by the remote end.
o Changing of g9982BceConfTable configuration parameters (e.g., g9982BceConfEligibleGroupID) may lead to preventing a non-bonded BCE from being bonded in any bonding group, or false advertisement of bonding eligibility (e.g., between BCEs residing on different line cards in an application that does not support cross-card bonding).
Some of the readable objects in this MIB module (i.e., objects with a MAX-ACCESS other than not-accessible) may be considered sensitive or vulnerable in some network environments since, collectively, they provide information about the performance of network interfaces and can reveal some aspects of their configuration.
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 g9982PortStatTable - objects in this table (e.g., g9982PortStatTcOperType) provide status information for the G.Bond port, which may aid in deciphering of the G.Bond/ETH transmissions.
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 authentication and privacy via the User-based Security Model (USM)
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[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.
[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.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997.
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[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.
[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.
[RFC5591] Harrington, D. and W. Hardaker, "Transport Security Model for the Simple Network Management Protocol (SNMP)", RFC 5591, June 2009.
[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.
[RFC6765] Beili, E. and M. Morgenstern, "xDSL Multi-Pair Bonding (G.Bond) MIB", RFC 6765, February 2013.
[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>.
[G.991.2] ITU-T, "Single-pair high-speed digital subscriber line (SHDSL) transceivers", ITU-T Recommendation G.991.2, December 2003, <http://www.itu.int/rec/T-REC-G.991.2/en>.
[G.993.1] ITU-T, "Very high speed digital subscriber line transceivers (VDSL)", ITU-T Recommendation G.993.1, June 2004, <http://www.itu.int/rec/T-REC-G.993.1/en>.
[G.994.1] ITU-T, "Handshake procedures for digital subscriber line (DSL) transceivers", ITU-T Recommendation G.994.1, February 2007, <http://www.itu.int/rec/T-REC-G.994.1/en>.
[IEEE802.3.1] IEEE, "IEEE P802.3.1 Revision to IEEE Std 802.3.1-2011 (IEEE 802.3.1a) Ethernet MIBs Task Force", January 2012, <http://grouper.ieee.org/groups/802/3/1/>.
[RFC3410] Case, J., Mundy, R., Partain, D., and B. Stewart, "Introduction and Applicability Statements for Internet- Standard Management Framework", RFC 3410, December 2002.
[RFC3593] Tesink, K., "Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals", RFC 3593, September 2003.
[RFC3635] Flick, J., "Definitions of Managed Objects for the Ethernet-like Interface Types", RFC 3635, 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.
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[RFC4836] Beili, E., "Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs)", RFC 4836, April 2007.
[RFC5066] Beili, E., "Ethernet in the First Mile Copper (EFMCu) Interfaces MIB", RFC 5066, November 2007.
Authors' Addresses
Edward Beili Actelis Networks 25 Bazel St. Petach-Tikva 49103 Israel