Network Working Group C. Sikes
Internet-Draft Paradyne Corporation
Expires: August 25, 2005 B. Ray
PESA Switching Systems, Inc.
R. Abbi
Alcatel USA
February 21, 2005
Definitions of Managed Objects for G.shdsl.bis Lines
draft-ietf-adslmib-gshdslbis-08.txt
Status of this Memo
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RFC 3668.
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Copyright Notice
Copyright (C) The Internet Society (2005).
Abstract
This document defines a Management Information Base (MIB) module for
use with network management protocols in the Internet community. In
particular, it describes objects used for managing High Bit-Rate
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Digital Subscriber Line (DSL) - 2nd generation (HDSL2) and
Single-Pair High-Speed Digital Subscriber Line (SHDSL) interfaces.
This document introduces extensions to several objects and textual
conventions defined in HDSL2-SHDSL-Line MIB (RFC 3276). This
document obsoletes RFC 3276.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. The Internet-Standard Management Framework . . . . . . . . . . 3
3. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1 Relationship of the HDSL2/SHDSL Line MIB to other MIBs . . 3
3.1.1 General IF-MIB Integration (RFC 2863) . . . . . . . . 4
3.1.2 Usage of ifTable . . . . . . . . . . . . . . . . . . . 4
3.2 IANA Considerations . . . . . . . . . . . . . . . . . . . 5
4. Conventions used in the MIB . . . . . . . . . . . . . . . . . 6
4.1 Naming Conventions . . . . . . . . . . . . . . . . . . . . 6
4.2 Textual Conventions . . . . . . . . . . . . . . . . . . . 6
4.3 Structure . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3.1 Line Topology . . . . . . . . . . . . . . . . . . . . 10
4.4 Counters, Interval Buckets and Thresholds . . . . . . . . 11
4.5 Profiles . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.6 Notifications . . . . . . . . . . . . . . . . . . . . . . 12
5. Conformance and Compliance . . . . . . . . . . . . . . . . . . 14
6. Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 15
7. Implementation Analysis . . . . . . . . . . . . . . . . . . . 66
8. Security Considerations . . . . . . . . . . . . . . . . . . . 66
9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 71
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 72
10.1 Normative References . . . . . . . . . . . . . . . . . . . 72
10.2 Informative References . . . . . . . . . . . . . . . . . . 73
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 73
Intellectual Property and Copyright Statements . . . . . . . . 75
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1. Introduction
This document defines a Management Information Base (MIB) module for
use with network management protocols in the Internet community. The
MIB module described in RFC 3276 [RFC3276] describes objects used for
managing High Bit-Rate DSL - 2nd generation (HDSL2) [T1E1.4] and
Single-Pair High-Speed Digital Subscriber Line (SHDSL) interfaces
[G.991.2]. This document obsoletes RFC 3276 [RFC3276] which supports
G.shdsl in that the MIB module described herein supports G.shdsl.bis
as described in the G.991.2 [G.991.2]. In addition, objects have
been added to improve the management of SHDSL lines.
2. The Internet-Standard Management Framework
For a detailed overview of the documents that describe the current
Internet-Standard Management Framework, please refer to Section 7 of
RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the
Structure of Management Information (SMI). This memo specifies 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", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
3. Introduction
This document describes an SNMP MIB for managing HDSL2/SHDSL Lines.
These definitions are based upon the specifications for the HDSL2 and
SHDSL Embedded Operations Channel (EOC) as defined in American
National Standards Institute (ANSI) T1E1.4/2000-006 [T1E1.4] and
International Telecommunication Union (ITU) G.991.2 [G.991.2].
The MIB is located in the MIB tree under MIB 2 transmission, as
discussed in the MIB-2 Integration (RFC 3418 [RFC3418] and RFC 2863
[RFC2863]) section of this document.
3.1 Relationship of the HDSL2/SHDSL Line MIB to other MIBs
This section outlines the relationship of this MIB with other MIBs
described in RFCs. Specifically, IF-MIB as presented in RFC 2863
[RFC2863] is discussed.
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3.1.1 General IF-MIB Integration (RFC 2863)
The HDSL2/SHDSL Line MIB specifies the detailed attributes of a data
interface. As such, it needs to integrate with RFC 2863 [RFC2863].
The IANA has assigned the following ifTypes to HDSL2 and SHDSL:
IANAifType ::= TEXTUAL-CONVENTION
...
SYNTAX INTEGER {
...
hdsl2 (168), -- High Bit-Rate DSL, 2nd generation
shdsl (169), -- Multirate HDSL2
...
}
Note that the ifFixedLengthGroup from RFC 2863 [RFC2863] MUST be
supported and that the ifRcvAddressGroup does not apply to this MIB.
3.1.2 Usage of ifTable
The MIB branch identified by this ifType contains tables appropriate
for this interface type. Most such tables extend the ifEntry table,
and are indexed by ifIndex. For interfaces in systems implementing
this MIB, those table entries indexed by ifIndex MUST be persistent.
The following attributes are part of the mandatory
ifGeneralInformationGroup in RFC 2863 [RFC2863], and are not
duplicated in the HDSL2/SHDSL Line MIB.
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==================================================================
ifIndex Interface index.
ifDescr See interfaces MIB [RFC2863].
ifType hdsl2(168) or shdsl(169).
ifSpeed Set as appropriate.
(This is fixed at 1552000 for HDSL2
lines)
ifPhysAddress This object MUST have an octet string
with zero length.
ifAdminStatus See interfaces MIB [RFC2863].
ifOperStatus See interfaces MIB [RFC2863].
ifLastChange See interfaces MIB [RFC2863].
ifName See interfaces MIB [RFC2863].
ifAlias See interfaces MIB [RFC2863].
ifLinkUpDownTrapEnable Default to enabled(1).
ifHighSpeed Set as appropriate.
(For HDSL2 lines, this is fixed at 2)
ifConnectorPresent Set as appropriate.
==================================================================
Figure 1: Use of ifTable Objects
3.2 IANA Considerations
The HDSL2-SHDSL-LINE-MIB module requires the allocation of a single
object identifier for its MODULE-IDENTITY. The IANA has allocated
this object identifier in the transmission subtree (48), defined in
the SNMPv2-SMI MIB module.
The assignment was in fact done when RFC 3276 was published, and this
revision of the RFC does not require any new action from IANA.
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4. Conventions used in the MIB
4.1 Naming Conventions
A. xtuC refers to a central site terminal unit;
H2TU-C for HDSL2, or STU-C for SHDSL.
B. xtuR refers to a remote site terminal unit;
H2TU-R for HDSL2, or STU-R for SHDSL.
C. xtu refers to a terminal unit; either an xtuC or xtuR.
D. xru refer to a regenerator unit;
H2RU for HDSL2, or SRU for SHDSL.
E. xU refers to any HDSL2/SHDSL unit; either an xtu or xru.
F. CRC is cyclic redundancy check [G.991.2].
G. ES means errored second [G.991.2].
J. LOSW means loss of sync word [G.991.2].
I. LOSWS means LOSW seconds [G.991.2].
J. SES means severely errored second [G.991.2].
K. SNR means signal-to-noise ratio [G.991.2].
L. UAS means unavailable second [G.991.2].
4.2 Textual Conventions
The following textual conventions are defined to reflect the line
topology in the MIB (further discussed in the following section) and
to define the behavior of the statistics to be maintained by an
agent.
o Hdsl2ShdslUnitId:
Attributes with this syntax uniquely identify each unit in a
HDSL2/SHDSL span. It mirrors the EOC addressing mechanism:
xtuC(1) - central office (CO) terminal unit
xtuR(2) - customer premises equipment (CPE)
terminal unit
xru1(3) .. xru8(10) - regenerators, numbered from
central office side
o Hdsl2ShdslUnitSide:
Attributes with this syntax reference the two sides of a unit:
networkSide(1) - N in figure 2, below
customerSide(2) - C in figure 2, below
o Hdsl2ShdslWirePair:
Attributes with this syntax reference the wire pairs connecting
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the units:
wirePair1(1) - First pair for HDSL2/SHDSL.
wirePair2(2) - Optional second pair for SHDSL only.
wirePair3(3) - Optional third pair for SHDSL.bis only.
wirePair4(4) - Optional fourth pair for SHDSL.bis only.
o Hdsl2ShdslTransmissionModeType:
Attributes with this syntax specify the regional setting for a
SHDSL line. Specified as a BITS construct, the two mode types
are:
region1 - ITU-T G.991.2 Annex A
region2 - ITU-T G.991.2 Annex B
o Hdsl2ShdslPerfCurrDayCount:
Attributes with this syntax define the behavior of the 1-day (24
hour) gauges found in the MIB.
o Hdsl2Shdsl1DayIntervalCount:
Attributes with this syntax define the behavior of the 1-day (24
hour) interval counters found in the MIB.
o Hdsl2ShdslPerfTimeElapsed:
Attributes with this syntax define the behavior of the elapsed
time counters found in the MIB.
o Hdsl2ShdslPerfIntervalThreshold:
Attributes with this syntax define the behavior of the alarm
thresholds found in the MIB.
o Hdsl2ShdslClockReferenceType:
Attributes with this syntax define the clock references for the
HDSL2/SHDSL span.
4.3 Structure
The MIB is structured into following MIB groups:
o Span Configuration Group:
This group supports MIB objects for configuring parameters for the
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HDSL2/SHDSL span. It contains the following table:
- hdsl2ShdslSpanConfTable
o Span Status Group:
This group supports MIB objects for retrieving span status
information. It contains the following table:
- hdsl2ShdslSpanStatusTable
o Unit Inventory Group:
This group supports MIB objects for retrieving unit inventory
information about units in HDSL2/SHDSL lines via the EOC. It
contains the following table:
- hdsl2ShdslInventoryTable
o Segment Endpoint Configuration Group:
This group supports MIB objects for configuring parameters for the
HDSL2/SHDSL segment endpoints. It contains the following table:
- hdsl2ShdslEndpointConfTable
o Segment Endpoint Current Status/Performance Group:
This group supports MIB objects that provide the current
status/performance information relating to segment endpoints. It
contains the following table:
- hdsl2ShdslEndpointCurrTable
o Segment Endpoint 15-Minute Interval Status/Performance Group:
This group supports MIB objects that provide historic
status/performance information relating to segment endpoints in
15-minute intervals. It contains the following table:
- hdsl2Shdsl15MinIntervalTable
o Segment Endpoint 1-Day Interval Status/Performance Group:
This group supports MIB objects that provide historic
status/performance information relating to segment endpoints in
1-day intervals. It contains the following table:
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- hdsl2Shdsl1DayIntervalTable
o Maintenance Group:
This group supports MIB objects for performing maintenance
operations such as loopbacks for HDSL2/SHDSL lines. It contains
the following table(s):
- hdsl2ShdslEndpointMaintTable
- hdsl2ShdslUnitMaintTable
o Span Configuration Profile Group:
This group supports MIB objects for defining configuration
profiles for HDSL2/SHDSL Spans. It contains the following table:
- hdsl2ShdslSpanConfProfileTable
o Segment Endpoint Alarm Configuration Profile Group:
This group supports MIB objects for defining alarm configuration
profiles for HDSL2/SHDSL Segment Endpoints. It contains the
following table:
- hdsl2ShdslEndpointAlarmConfProfileTable
o Notifications Group:
This group defines the notifications supported for HDSL2/SHDSL
lines:
- hdsl2ShdslLoopAttenCrossing
- hdsl2ShdslSNRMarginCrossing
- hdsl2ShdslPerfESThresh
- hdsl2ShdslPerfSESThresh
- hdsl2ShdslPerfCRCanomaliesThresh
- hdsl2ShdslPerfLOSWSThresh
- hdsl2ShdslPerfUASThresh
- hdsl2ShdslSpanInvalidNumRepeaters
- hdsl2ShdslLoopbackFailure
- hdsl2ShdslpowerBackoff
- hdsl2ShdsldeviceFault
- hdsl2ShdsldcContinuityFault
- hdsl2ShdslconfigInitFailure
- hdsl2ShdslprotocolInitFailure
- hdsl2ShdslnoNeighborPresent
- hdsl2ShdslLocalPowerLoss
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o SHDSL Wire Pair Group:
This group supports MIB objects which provide status of the
SHDSL-specific wire pairs.
- hdsl2ShdslEndpointCurrTipRingReversal
- hdsl2ShdslEndpointCurrActivationState
o Payload Group:
This group supports MIB objects for retrieving payload rates which
excludes any framing overhead.
- hdsl2ShdslStatusMaxAttainablePayloadRate
- hdsl2ShdslStatusActualPayloadRate
4.3.1 Line Topology
An HDSL2/SHDSL Line consists of a minimum of two units - xtuC (the
central termination unit) and an xtuR (the remote termination unit).
The line may optionally support up to 8 repeater/regenerator units
(xru) as shown in the figure below.
<-- Network Side Customer Side -->
|</////////////////// HDSL2/SHDSL Span ////////////////////>|
<~~~> <~~~> HDSL2/SHDSL Segments <~~~>
+-------+ +-------+ +-------+ +-------+ +-------+
+ C=1=N C=1=N C=..1..=N C=1=N +
| xtuC | | xru1 | | xru2 | | xru8 | | xtuR |
+ C=2=N C=2=N C=..2..=N C=2=N +
+-------+ +-------+ +-------+ +-------+ +-------+
Key: <////> HDSL2/SHDSL Span
<~~~~> HDSL2/SHDSL Segment
=1= HDSL2/SHDSL wire-pair-1
=2= SHDSL optional wire-pair-2 (Not applicable to HDSL2)
C Customer Side Segment Endpoint (modem)
N Network Side Segment Endpoint (modem)
Figure 2: General topology for an HDSL2/SHDSL Line
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4.4 Counters, Interval Buckets and Thresholds
For SNR Margin, Loop Attenuation, ES, SES, CRC anomalies, LOSW, and
UAS, there are event counters, current 15-minute and 0 to 96
15-minute history bucket(s) of "interval-counters", as well as
current and 0 to 30 previous 1-day interval-counter(s). Each current
15-minute event bucket has an associated threshold notification.
Unlike RFC 3593 [RFC3593] and RFC 2662 [RFC2662], there is no
representation in the MIB for invalid buckets. In those cases where
the data for an interval is suspect or known to be invalid, the agent
MUST NOT report the interval. If the current 15-minute event bucket
is determined to be invalid, notifications based upon the value of
the event bucket MUST NOT be generated.
Not reporting an interval will result in holes in the associated
table. For example, the table, hdsl2Shdsl15MinIntervalTable, is
indexed by { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
hdsl2ShdslEndpointWirePair, hdsl2Shdsl15MinIntervalNumber}. If
interval 12 is determined to be invalid but intervals 11 and 13 are
valid, a Get Next operation on the indices .1.1.1.1.11 would return
indices .1.1.1.1.13.
There is no requirement for an agent to ensure a fixed relationship
between the start of a fifteen minute interval and any wall clock;
however some implementations may align the fifteen minute intervals
with quarter hours. Likewise, an implementation may choose to align
one day intervals with the start of a day.
Counters are not reset when an xU is reinitialized, only when the
agent is reset or reinitialized (or under specific request outside
the scope of this MIB).
4.5 Profiles
As a managed node can handle a large number of xUs, (e.g., hundreds
or perhaps thousands of lines), provisioning every parameter on every
xU may become burdensome. Moreover, most lines are provisioned
identically with the same set of parameters. To simplify the
provisioning process, this MIB makes use of profiles. A profile is a
set of parameters that can be shared by multiple lines using the same
configuration.
The following profiles are used in this MIB:
o Span Configuration Profiles - Span configuration profiles contain
parameters for configuring HDSL2/SHDSL spans. They are defined in
the hdsl2ShdslSpanConfProfileTable. Since span configuration
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parameters are only applicable for SHDSL, the support for span
configuration profiles are optional for HDSL2 interfaces.
Note that the configuration of the span dictates the behavior for
each individual segment endpoint in the span. If a different
configuration is provisioned for any given segment endpoint within
the span, the new configuration for this segment endpoint will
override the span configuration for this segment endpoint only.
o Segment Endpoint Alarm Configuration Profiles - These profiles
contain parameters for configuring alarm thresholds for
HDSL2/SHDSL segment endpoints. These profiles are defined in the
hdsl2ShdslEndpointAlarmConfProfileTable.
The index value for this profile is a locally-unique
administratively assigned name for the profile having the textual
convention 'SnmpAdminString' (RFC 3411 [RFC3411]).
One or more lines may be configured to share parameters of a single
profile (e.g., hdsl2ShdslEndpointAlarmConfProfile = 'silver') by
setting its hdsl2ShdslEndpointAlarmConfProfile objects to the value
of this profile. If a change is made to the profile, all lines that
refer to it will be reconfigured to the changed parameters. Before a
profile can be deleted or taken out of service it must be first
unreferenced from all associated lines.
Implementations MUST provide a default profile whose name is 'DEFVAL'
for each profile type. The values of the associated parameters will
be vendor specific unless otherwise indicated in this document.
Before a line's profiles have been set, these profiles will be
automatically used by setting hdsl2ShdslEndpointAlarmConfProfile and
hdsl2ShdslSpanConfProfile to 'DEFVAL' where appropriate. This
default profile name, 'DEFVAL', is considered reserved in the context
of profiles defined in this MIB.
Profiles are created, assigned, and deleted dynamically using the
profile name and profile row status in each of the four profile
tables.
Profile changes MUST take effect immediately. These changes MAY
result in a restart (hard reset or soft restart) of the units on the
line.
4.6 Notifications
The ability to generate the SNMP notifications coldStart/WarmStart
(per [RFC3418]) which are per agent (e.g., per Digital Subscriber
Line Access Multiplexer, or DSLAM, in such a device), and
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linkUp/linkDown (per [RFC2863]) which are per interface (i.e.,
HDSL2/SHDSL line) is required.
A linkDown notification MAY be generated whenever any of ES, SES, CRC
Anomaly, LOSW, or UAS event occurs. The corresponding linkUp
notification MAY be sent when all link failure conditions are
cleared.
The notifications defined in this MIB are for initialization failure
and for the threshold crossings associated with the following events:
ES, SES, CRC Anomaly, LOSW, and UAS. Each threshold has its own
enable/threshold value. When that value is 0, the notification is
disabled.
The hdsl2ShdslEndpointCurrStatus is a bitmask representing all
outstanding error conditions associated with a particular Segment
Endpoint. Note that since status of remote endpoints is obtained via
the EOC, this information may be unavailable for units that are
unreachable via EOC during a line error condition. Therefore, not
all conditions may always be included in its current status.
Notifications corresponding to the bit fields in this object are
defined.
Two alarm conditions, SNR Margin Alarm and Loop Attenuation Alarm,
are organized in a manner slightly different from that implied in the
EOC specifications. In the MIB, these alarm conditions are tied to
the two thresholds hdsl2ShdslEndpointThreshSNRMargin and
hdsl2ShdslEndpointThreshLoopAttenuation found in the
hdsl2ShdslEndpointAlarmConfProfileTable. In the EOC, the alarm
conditions associated with these thresholds are per-unit. In the
MIB, these alarm conditions are per-endpoint. For terminal units,
this has no impact. For repeaters, this implies an implementation
variance where the agent in the terminal unit is responsible for
detecting a threshold crossing. As the reporting of a repeater
detected alarm condition to the polling terminal unit occurs in the
same EOC message as the reporting of the current SNR Margin and Loop
Attenuation values, it is anticipated that this will have very little
impact on agent implementation.
A threshold notification occurs whenever the corresponding current
15-minute interval error counter becomes equal to, or exceeds the
threshold value. Only one notification SHOULD be sent per interval
per interface. Since the current 15-minute counter is reset to 0
every 15 minutes, and if the condition persists, the notification may
recur as often as every 15 minutes. For example, to get a
notification whenever a "loss of" event occurs (but at most once
every 15 minutes), set the corresponding threshold to 1. The agent
will generate a notification when the event originally occurs.
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Notifications, other than the threshold notifications listed above,
SHOULD be rate limited (throttled) such that there is at least a
one-minute gap between the generation of consecutive notification of
the same event. When notifications are rate limited, they are
dropped and not queued for sending at a future time. This is
intended to be a general rate-limiting statement for notifications
that have no explicit rate limiting assertions in this document
otherwise.
Note that the Network Management System, or NMS, may receive a
linkDown notification, as well, if enabled (via
ifLinkUpDownTrapEnable [RFC2863]). At the beginning of the next 15
minute interval, the counter is reset. When the first second goes by
and the event occurs, the current interval bucket will be 1, which
equals the threshold, and the notification will be sent again.
A hdsl2ShdslSpanInvalidNumRepeaters notification may be generated
following completion of the discovery phase if the number of
repeaters discovered on the line differs from the number of repeaters
specified in hdsl2ShdslSpanConfNumRepeaters. For those conditions
where the number of provisioned repeaters is greater than those
encountered during span discovery, all table entries associated with
the nonexistent repeaters are to be discarded. For those conditions
where the number of provisioned repeaters is less than those
encountered during span discovery, additional table entries are to be
created using the default span configuration profile.
5. Conformance and Compliance
For both HDSL2 and SHDSL lines, the following group(s) are mandatory:
hdsl2ShdslSpanConfGroup
hdsl2ShdslSpanStatusGroup
hdsl2ShdslInventoryGroup
hdsl2ShdslEndpointConfGroup
hdsl2Shdsl15MinIntervalGroup
hdsl2Shdsl1DayIntervalGroup
hdsl2ShdslMaintenanceGroup
hdsl2ShdslEndpointAlarmConfGroup
hdsl2ShdslNotificationGroup
hdsl2ShdslWirePairGroup
hdsl2ShdslPayloadRateGroup
For HDSL2 lines, the following group(s) are optional:
hdsl2ShdslSpanConfProfileGroup
hdsl2ShdslSpanShdslStatusGroup
hdsl2ShdslWirePairGroup
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hdsl2ShdslPayloadRateGroup
6. Definitions
HDSL2-SHDSL-LINE-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE,
Counter32,
Unsigned32,
Gauge32,
NOTIFICATION-TYPE,
Integer32,
transmission
FROM SNMPv2-SMI
RowStatus,
TEXTUAL-CONVENTION
FROM SNMPv2-TC
ifIndex
FROM IF-MIB
PerfCurrentCount,
PerfIntervalCount
FROM PerfHist-TC-MIB
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB
MODULE-COMPLIANCE,
OBJECT-GROUP,
NOTIFICATION-GROUP
FROM SNMPv2-CONF;
hdsl2ShdslMIB MODULE-IDENTITY
LAST-UPDATED "200502210000Z" -- February 21, 2005
ORGANIZATION "ADSLMIB Working Group"
CONTACT-INFO "WG-email: adslmib@ietf.org
WG-URL:
http://www.ietf.org/html.charters/adslmib-charter.html
Info: https://www1.ietf.org/mailman/listinfo/adslmib
Chair: Mike Sneed
Postal: P.O. Box 37324
Raleigh NC 27627-7324 USA
Email: sneedmike@hotmail.com
Co-Chair Bob Ray
PESA Switching Systems, Inc.
Postal 330-A Wynn Drive
Huntsville, AL 35805 USA
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Phone +1 256 726 9200 ext. 142
Co-editor: Clay Sikes
Paradyne Corporation
Postal: 8545 126th Ave. N.
Largo, FL 33772 USA
Email: csikes@paradyne.com
Phone: +1 727 530 8257
Co-editor: Bob Ray
PESA Switching Systems, Inc.
Postal: 330-A Wynn Drive
Huntsville, AL 35805 USA
Email: rray@pesa.com
Phone: +1 256 726 9200 ext. 142
Co-editor: Rajesh Abbi
Alcatel USA
Postal: 2912 Wake Forest Road
Raleigh, NC 27609-7860 USA
Email: Rajesh.Abbi@alcatel.com
Phone: +1 919 850 6194"
DESCRIPTION
"This MIB module defines a collection of objects for managing
HDSL2/SHDSL lines. An agent may reside at either end of the
line, however the MIB is designed to require no management
communication between the modems beyond that inherent in the
low-level EOC line protocol as defined in ANSI T1E1.4/2000-006
(for HDSL2 lines), or in ITU G.991.2 (for SHDSL lines).
Copyright (C) The Internet Society (2005). This version of
this MIB module is part of RFC xxxx; see the RFC itself for
full legal notices."
REVISION "200502210000Z" -- February 21, 2005
DESCRIPTION "This version, published as RFC xxxx.
The following changes have been made in this version:
1. Added a 3rd and 4th wire pair.
2. Modified all rates such that their rates are only
constrained by an unsigned 32-bit value and not by
what today's perceived technology limitations are.
3. Clarified that the rates from RFC 3276 include
payload and any applicable framing and added
objects for payload-only rates.
4. Added an object to indicate whether or not the
tip and ring are reversed on a wire pair.
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5. Added an object to display the activation state
of a wire pair.
6. Added references as necessary for clarification.
7. Added display hints to textual conventions as
necessary.
8. Updated conformance statements as necessary.
9. Some changes were due to IETF requirements and
RFC generation tools."
REVISION "200205090000Z" -- May 9, 2002
DESCRIPTION "Initial version, published as RFC 3276."
::= { transmission 48 }
hdsl2ShdslMibObjects OBJECT IDENTIFIER ::= { hdsl2ShdslMIB 1 }
-- Textual Conventions used in this MIB
--
Hdsl2ShdslPerfCurrDayCount ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"A gauge associated with interface performance measurements in
a current 1-day (24 hour) measurement interval.
The value of this gauge starts at zero at the beginning of an
interval and is increased when associated events occur, until
the end of the 1-day interval. At that time the value of the
gauge is stored in the previous 1-day history interval, as
defined in a companion object of type
Hdsl2Shdsl1DayIntevalCount, and the current interval gauge
is restarted at zero.
In the case where the agent has no valid data available for
this interval the corresponding object instance is not
available and upon a retrieval request a corresponding error
message shall be returned to indicate that this instance does
not exist. Please note that zero is a valid value."
SYNTAX Gauge32
Hdsl2Shdsl1DayIntervalCount ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"A counter associated with interface performance measurements
during the most previous 1-day (24 hour) measurement interval.
The value of this gauge is equal to the value of the current
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day gauge, as defined in a companion object of type
Hdsl2ShdslPerfCurrDayCount, at the end of its most recent
interval.
In the case where the agent has no valid data available for
this interval the corresponding object instance is not
available and upon a retrieval request a corresponding error
message shall be returned to indicate that this instance does
not exist."
SYNTAX Gauge32
Hdsl2ShdslPerfTimeElapsed ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"The number of seconds that have elapsed since the beginning of
the current measurement period. If, for some reason, such as
an adjustment in the system's time-of-day clock or the addition
of a leap second, the current interval exceeds the maximum
value, the agent will return the maximum value.
For 15 minute intervals, the range is limited to (0..899).
For 24 hour intervals, the range is limited to (0..86399)."
SYNTAX Unsigned32(0..86399)
Hdsl2ShdslPerfIntervalThreshold ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This convention defines a range of values that may be set in
a fault threshold alarm control. As the number of seconds in
a 15-minute interval numbers at most 900, objects of this type
may have a range of 0...900, where the value of 0 disables the
alarm."
SYNTAX Unsigned32(0..900)
Hdsl2ShdslUnitId ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This is the unique identification for all units in a
HDSL2/SHDSL Span. It is based on the EOC unit addressing
scheme with reference to the xtuC."
SYNTAX INTEGER
{
xtuC(1),
xtuR(2),
xru1(3),
xru2(4),
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xru3(5),
xru4(6),
xru5(7),
xru6(8),
xru7(9),
xru8(10)
}
Hdsl2ShdslUnitSide ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This is the referenced side of a HDSL2/SHDSL unit - Network
or Customer side. The side facing the Network is the Network
side, while the side facing the Customer is the Customer side."
SYNTAX INTEGER
{
networkSide(1),
customerSide(2)
}
Hdsl2ShdslWirePair ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This is the referenced pair of wires in a HDSL2/SHDSL Segment.
HDSL2 only supports a single pair (wirePair1 or two wire),
SHDSL lines support an optional second pair (wirePair2 or four
wire), and G.shdsl.bis support an optional third pair
(wirePair3 or six wire) and an optional fourth pair
(wirePair4 or eight wire)."
SYNTAX INTEGER
{
wirePair1(1), -- two wire
wirePair2(2), -- four wire
wirePair3(3), -- six wire
wirePair4(4) -- eight wire
}
Hdsl2ShdslTransmissionModeType ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"Contains the regional setting of the HDSL2/SHDSL span,
represented as a bit-map of possible settings. The various
bit positions are:
Bit Meaning Description
1 region 1 Indicates ITU-T G.991.2 Annex A.
2 region 2 Indicates ITU-T G.991.2 Annex B."
SYNTAX BITS
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{
region1(0),
region2(1)
}
Hdsl2ShdslClockReferenceType ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The various STU-C symbol clock references for the
HDSL2/SHDSL span, represented as an enumeration."
SYNTAX INTEGER
{
localClk(1), -- Mode-1 per G991.2
networkClk(2), -- Mode-2 per G991.2
dataOrNetworkClk(3), -- Mode-3a per G991.2
dataClk(4) -- Mode-3b per G991.2
}
-- Span Configuration Group
--
hdsl2ShdslSpanConfTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslSpanConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports overall configuration of HDSL2/SHDSL
Spans. Entries in this table MUST be maintained in a
persistent manner."
::= { hdsl2ShdslMibObjects 1 }
hdsl2ShdslSpanConfEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslSpanConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslSpanConfTable. Each entry
represents the complete Span in a single HDSL2/SHDSL line.
It is indexed by the ifIndex of the associated HDSL2/SHDSL
line."
INDEX { ifIndex }
::= { hdsl2ShdslSpanConfTable 1 }
Hdsl2ShdslSpanConfEntry ::
SEQUENCE
{
hdsl2ShdslSpanConfNumRepeaters Unsigned32,
hdsl2ShdslSpanConfProfile SnmpAdminString,
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hdsl2ShdslSpanConfAlarmProfile SnmpAdminString
}
hdsl2ShdslSpanConfNumRepeaters OBJECT-TYPE
SYNTAX Unsigned32(0..8)
UNITS "repeaters"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object provisions the number of repeaters/regenerators
in this HDSL2/SHDSL Span."
::= { hdsl2ShdslSpanConfEntry 1 }
hdsl2ShdslSpanConfProfile OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(1..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is a pointer to a span configuration profile in
the hdsl2ShdslSpanConfProfileTable, which applies to this
span. The value of this object is the index of the referenced
profile in the hdsl2ShdslSpanConfProfileTable. Note that span
configuration profiles are only applicable to SHDSL lines.
HDSL2 lines MUST reference the default profile, 'DEFVAL'.
By default, this object will have the value 'DEFVAL'
(the index of the default profile).
Any attempt to set this object to a value that is not the value
of the index for an active entry in the profile table,
hdsl2ShdslSpanConfProfileTable, MUST be rejected."
::= { hdsl2ShdslSpanConfEntry 2 }
hdsl2ShdslSpanConfAlarmProfile OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(1..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is a pointer to an Alarm configuration profile in
the hdsl2ShdslEndpointAlarmConfProfileTable. The value of
this object is the index of the referenced profile in the
hdsl2ShdslEndpointAlarmConfProfileTable. The alarm
threshold configuration in the referenced profile will be
used by default for all segment endpoints in this span.
Individual endpoints may override this profile by explicitly
specifying some other profile in the
hdsl2ShdslEndpointConfTable. By default, this object will
have the value 'DEFVAL' (the index of the default
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profile).
Any attempt to set this object to a value that is not the value
of the index for an active entry in the profile table,
hdsl2ShdslEndpointAlarmConfProfileTable, MUST be rejected."
::= { hdsl2ShdslSpanConfEntry 3 }
-- Span Status Group
--
hdsl2ShdslSpanStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslSpanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provides overall status information of
HDSL2/SHDSL spans. This table contains live data from
equipment. As such, it is NOT persistent."
::= { hdsl2ShdslMibObjects 2 }
hdsl2ShdslSpanStatusEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslSpanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslSpanStatusTable. Each entry
represents the complete span in a single HDSL2/SHDSL line.
It is indexed by the ifIndex of the associated HDSL2/SHDSL
line."
INDEX { ifIndex }
::= { hdsl2ShdslSpanStatusTable 1 }
Hdsl2ShdslSpanStatusEntry ::
SEQUENCE
{
hdsl2ShdslStatusNumAvailRepeaters Unsigned32,
hdsl2ShdslStatusMaxAttainableLineRate Unsigned32,
hdsl2ShdslStatusActualLineRate Unsigned32,
hdsl2ShdslStatusTransmissionModeCurrent
Hdsl2ShdslTransmissionModeType,
hdsl2ShdslStatusMaxAttainablePayloadRate Unsigned32,
hdsl2ShdslStatusActualPayloadRate Unsigned32
}
hdsl2ShdslStatusNumAvailRepeaters OBJECT-TYPE
SYNTAX Unsigned32(0..8)
MAX-ACCESS read-only
STATUS current
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DESCRIPTION
"Contains the actual number of repeaters/regenerators
discovered in this HDSL2/SHDSL span."
::= { hdsl2ShdslSpanStatusEntry 1 }
hdsl2ShdslStatusMaxAttainableLineRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the maximum attainable line rate in this HDSL2/SHDSL
span. This object provides the maximum rate the line is
capable of achieving. This is based upon measurements made
during line probing. This rate includes payload (user data)
and any applicable framing overhead."
::= { hdsl2ShdslSpanStatusEntry 2 }
hdsl2ShdslStatusActualLineRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the actual line rate in this HDSL2/SHDSL span. This
SHOULD equal ifSpeed. This rate includes payload (user data)
and any applicable framing overhead"
::= { hdsl2ShdslSpanStatusEntry 3 }
hdsl2ShdslStatusTransmissionModeCurrent OBJECT-TYPE
SYNTAX Hdsl2ShdslTransmissionModeType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the current Power Spectral Density (PSD) regional
setting of the HDSL2/SHDSL span."
::= { hdsl2ShdslSpanStatusEntry 4 }
hdsl2ShdslStatusMaxAttainablePayloadRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the maximum attainable payload (user data)
line rate in this HDSL2/SHDSL span. This object provides
the maximum rate the line is capable of achieving. This
is based upon measurements made during line probing. Any
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framing overhead is not included."
::= { hdsl2ShdslSpanStatusEntry 5 }
hdsl2ShdslStatusActualPayloadRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the actual line rate in this HDSL2/SHDSL span. Any
framing overhead is not included."
::= { hdsl2ShdslSpanStatusEntry 6 }
-- Unit Inventory Group
--
hdsl2ShdslInventoryTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslInventoryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports retrieval of unit inventory information
available via the EOC from units in a HDSL2/SHDSL line.
Entries in this table are dynamically created during the
line discovery process. The life cycle for these entries
is as follows:
- xtu discovers a device, either a far-end xtu or an xru
- an inventory table entry is created for the device
- the line goes down for whatever reason
- inventory table entries for unreachable devices are
destroyed.
As these entries are created/destroyed dynamically, they
are NOT persistent."
::= { hdsl2ShdslMibObjects 3 }
hdsl2ShdslInventoryEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslInventoryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslInventoryTable. Each entry
represents inventory information for a single unit in a
HDSL2/SHDSL line. It is indexed by the ifIndex of the
HDSL2/SHDSL line and the Hdsl2ShdslUnitId of the
associated unit."
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INDEX { ifIndex, hdsl2ShdslInvIndex }
::= { hdsl2ShdslInventoryTable 1 }
Hdsl2ShdslInventoryEntry ::
SEQUENCE
{
hdsl2ShdslInvIndex Hdsl2ShdslUnitId,
hdsl2ShdslInvVendorID OCTET STRING,
hdsl2ShdslInvVendorModelNumber OCTET STRING,
hdsl2ShdslInvVendorSerialNumber OCTET STRING,
hdsl2ShdslInvVendorEOCSoftwareVersion Integer32,
hdsl2ShdslInvStandardVersion Integer32,
hdsl2ShdslInvVendorListNumber OCTET STRING,
hdsl2ShdslInvVendorIssueNumber OCTET STRING,
hdsl2ShdslInvVendorSoftwareVersion OCTET STRING,
hdsl2ShdslInvEquipmentCode OCTET STRING,
hdsl2ShdslInvVendorOther OCTET STRING,
hdsl2ShdslInvTransmissionModeCapability
Hdsl2ShdslTransmissionModeType
}
hdsl2ShdslInvIndex OBJECT-TYPE
SYNTAX Hdsl2ShdslUnitId
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry in this table corresponds to a physical element
in a HDSL2/SHDSL Span. It is based on the EOC unit addressing
scheme with reference to the xtuC."
::= { hdsl2ShdslInventoryEntry 1 }
hdsl2ShdslInvVendorID OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(8))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor ID as reported in an Inventory Response message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 25-32."
::= { hdsl2ShdslInventoryEntry 2 }
hdsl2ShdslInvVendorModelNumber OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(12))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor model number as reported in an Inventory Response
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message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 33-44."
::= { hdsl2ShdslInventoryEntry 3 }
hdsl2ShdslInvVendorSerialNumber OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(12))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor serial number as reported in an Inventory Response
message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 45-56."
::= { hdsl2ShdslInventoryEntry 4 }
hdsl2ShdslInvVendorEOCSoftwareVersion OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor EOC version as reported in a Discovery Response
message."
REFERENCE
"G.991.2, Section 9.5.5.7.2, Discovery response - Message ID
130, Octet 12."
::= { hdsl2ShdslInventoryEntry 5 }
hdsl2ShdslInvStandardVersion OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Version of the HDSL2/SHDSL standard implemented, as reported
in an Inventory Response message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octet 2."
::= { hdsl2ShdslInventoryEntry 6 }
hdsl2ShdslInvVendorListNumber OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(3))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor list number as reported in an Inventory Response
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message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 3-5."
::= { hdsl2ShdslInventoryEntry 7 }
hdsl2ShdslInvVendorIssueNumber OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(2))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor issue number as reported in an Inventory Response
message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 6-7."
::= { hdsl2ShdslInventoryEntry 8 }
hdsl2ShdslInvVendorSoftwareVersion OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(6))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Vendor software version as reported in an Inventory Response
message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 8-13."
::= { hdsl2ShdslInventoryEntry 9 }
hdsl2ShdslInvEquipmentCode OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(10))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Equipment code conforming to ANSI T1.213, Coded Identification
of Equipment Entities."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 14-23."
::= { hdsl2ShdslInventoryEntry 10 }
hdsl2ShdslInvVendorOther OBJECT-TYPE
SYNTAX OCTET STRING(SIZE(12))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Other vendor information as reported in an Inventory Response
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message."
REFERENCE
"G.991.2, Section 9.5.5.7.4, Inventory response - Message ID
130, Octets 57-68."
::= { hdsl2ShdslInventoryEntry 11 }
hdsl2ShdslInvTransmissionModeCapability OBJECT-TYPE
SYNTAX Hdsl2ShdslTransmissionModeType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the transmission mode capability of the SHDSL unit."
::= { hdsl2ShdslInventoryEntry 12 }
-- Segment Endpoint Configuration Group
--
hdsl2ShdslEndpointConfTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslEndpointConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports configuration parameters for segment
endpoints in a HDSL2/SHDSL line. As this table is indexed
by ifIndex, it MUST be maintained in a persistent manner."
::= { hdsl2ShdslMibObjects 4 }
hdsl2ShdslEndpointConfEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslEndpointConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslEndpointConfTable. Each entry
represents a single segment endpoint in a HDSL2/SHDSL line.
It is indexed by the ifIndex of the HDSL2/SHDSL line, the
UnitId of the associated unit, the side of the unit, and the
wire pair of the associated modem."
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
hdsl2ShdslEndpointWirePair}
::= { hdsl2ShdslEndpointConfTable 1 }
Hdsl2ShdslEndpointConfEntry ::
SEQUENCE
{
hdsl2ShdslEndpointSide Hdsl2ShdslUnitSide,
hdsl2ShdslEndpointWirePair Hdsl2ShdslWirePair,
hdsl2ShdslEndpointAlarmConfProfile SnmpAdminString
}
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hdsl2ShdslEndpointSide OBJECT-TYPE
SYNTAX Hdsl2ShdslUnitSide
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The side of the unit associated with this segment endpoint -
Network/Customer side - as per the Hdsl2ShdslUnitSide textual
convention."
::= { hdsl2ShdslEndpointConfEntry 1 }
hdsl2ShdslEndpointWirePair OBJECT-TYPE
SYNTAX Hdsl2ShdslWirePair
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The wire pair of the modem associated with this segment
endpoint as per the Hdsl2ShdslWirePair textual convention."
::= { hdsl2ShdslEndpointConfEntry 2 }
hdsl2ShdslEndpointAlarmConfProfile OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object configures the alarm threshold values to be used
for this segment endpoint. The values are obtained from the
alarm configuration profile referenced by this object. The
value of this object is the index of the referenced profile in
the hdsl2ShdslEndpointAlarmConfProfileTable, or NULL (a
zero-length SnmpAdminString). If the value is a zero-length
SnmpAdminString, the endpoint uses the default Alarm
Configuration Profile for the associated span as per the
hdsl2ShdslSpanConfAlarmProfile object in the
hdsl2ShdslSpanConfTable. The default value of this object is
a zero-length SnmpAdminString.
Any attempt to set this object to a value that is not the value
of the index for an active entry in the profile table,
hdsl2ShdslEndpointAlarmConfProfileTable, MUST be rejected."
::= { hdsl2ShdslEndpointConfEntry 3 }
-- Segment Endpoint Current Status/Performance Group
--
hdsl2ShdslEndpointCurrTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslEndpointCurrEntry
MAX-ACCESS not-accessible
STATUS current
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DESCRIPTION
"This table contains current status and performance information
for segment endpoints in HDSL2/SHDSL Lines. As with other
tables in this MIB indexed by ifIndex, entries in this table
MUST be maintained in a persistent manner."
::= { hdsl2ShdslMibObjects 5 }
hdsl2ShdslEndpointCurrEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslEndpointCurrEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslEndpointCurrTable. Each entry
contains status and performance information relating to a
single segment endpoint. It is indexed by the ifIndex of the
HDSL2/SHDSL line, the UnitId of the associated unit, the side
of the unit, and the wire pair of the associated modem."
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
hdsl2ShdslEndpointWirePair }
::= { hdsl2ShdslEndpointCurrTable 1 }
Hdsl2ShdslEndpointCurrEntry ::
SEQUENCE
{
hdsl2ShdslEndpointCurrAtn Integer32,
hdsl2ShdslEndpointCurrSnrMgn Integer32,
hdsl2ShdslEndpointCurrStatus BITS,
hdsl2ShdslEndpointES Counter32,
hdsl2ShdslEndpointSES Counter32,
hdsl2ShdslEndpointCRCanomalies Counter32,
hdsl2ShdslEndpointLOSWS Counter32,
hdsl2ShdslEndpointUAS Counter32,
hdsl2ShdslEndpointCurr15MinTimeElapsed
Hdsl2ShdslPerfTimeElapsed,
hdsl2ShdslEndpointCurr15MinES PerfCurrentCount,
hdsl2ShdslEndpointCurr15MinSES PerfCurrentCount,
hdsl2ShdslEndpointCurr15MinCRCanomalies PerfCurrentCount,
hdsl2ShdslEndpointCurr15MinLOSWS PerfCurrentCount,
hdsl2ShdslEndpointCurr15MinUAS PerfCurrentCount,
hdsl2ShdslEndpointCurr1DayTimeElapsed
Hdsl2ShdslPerfTimeElapsed,
hdsl2ShdslEndpointCurr1DayES
Hdsl2ShdslPerfCurrDayCount,
hdsl2ShdslEndpointCurr1DaySES
Hdsl2ShdslPerfCurrDayCount,
hdsl2ShdslEndpointCurr1DayCRCanomalies
Hdsl2ShdslPerfCurrDayCount,
hdsl2ShdslEndpointCurr1DayLOSWS
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Hdsl2ShdslPerfCurrDayCount,
hdsl2ShdslEndpointCurr1DayUAS
Hdsl2ShdslPerfCurrDayCount,
hdsl2ShdslEndpointCurrTipRingReversal INTEGER,
hdsl2ShdslEndpointCurrActivationState INTEGER
}
hdsl2ShdslEndpointCurrAtn OBJECT-TYPE
SYNTAX Integer32(-127..128)
UNITS "dB"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current loop attenuation for this endpoint as reported in
a Network or Customer Side Performance Status message."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 1 }
hdsl2ShdslEndpointCurrSnrMgn OBJECT-TYPE
SYNTAX Integer32(-127..128)
UNITS "dB"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current SNR margin for this endpoint as reported in a
Status Response/SNR message."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 2 }
hdsl2ShdslEndpointCurrStatus OBJECT-TYPE
SYNTAX BITS
{
noDefect(0),
powerBackoff(1),
deviceFault(2),
dcContinuityFault(3),
snrMarginAlarm(4),
loopAttenuationAlarm(5),
loswFailureAlarm(6),
configInitFailure(7),
protocolInitFailure(8),
noNeighborPresent(9),
loopbackActive(10)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Contains the current state of the endpoint. This is a
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bit-map of possible conditions. The various bit positions
are:
noDefect There are no defects on the line.
powerBackoff Indicates enhanced Power Backoff.
deviceFault Indicates a vendor-dependent
diagnostic or self-test fault
has been detected.
dcContinuityFault Indicates vendor-dependent
conditions that interfere with
span powering such as short and
open circuits.
snrMarginAlarm Indicates that the SNR margin
has dropped below the alarm threshold.
loopAttenuationAlarm Indicates that the loop attenuation
exceeds the alarm threshold.
loswFailureAlarm Indicates a forward LOSW alarm.
configInitFailure Endpoint failure during initialization
due to paired endpoint not able to
support requested configuration.
protocolInitFailure Endpoint failure during initialization
due to incompatible protocol used by
the paired endpoint.
noNeighborPresent Endpoint failure during initialization
due to no activation sequence detected
from paired endpoint.
loopbackActive A loopback is currently active at this
Segment Endpoint.
This is intended to supplement ifOperStatus. Note that there
is a 1:1 relationship between the status bits defined in this
object and the notification thresholds defined elsewhere in
this MIB."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 3 }
hdsl2ShdslEndpointES OBJECT-TYPE
SYNTAX Counter32
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UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Errored Seconds (ES) on this endpoint since the xU
was last restarted."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 4 }
hdsl2ShdslEndpointSES OBJECT-TYPE
SYNTAX Counter32
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Severely Errored Seconds (SES) on this endpoint
since the xU was last restarted."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 5 }
hdsl2ShdslEndpointCRCanomalies OBJECT-TYPE
SYNTAX Counter32
UNITS "detected CRC Anomalies"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of CRC anomalies on this endpoint since the xU was
last restarted."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 6 }
hdsl2ShdslEndpointLOSWS OBJECT-TYPE
SYNTAX Counter32
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Loss of Sync Word (LOSW) Seconds on this endpoint
since the xU was last restarted."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 7 }
hdsl2ShdslEndpointUAS OBJECT-TYPE
SYNTAX Counter32
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"Count of Unavailable Seconds (UAS) on this endpoint since
the xU was last restarted."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 8 }
hdsl2ShdslEndpointCurr15MinTimeElapsed OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfTimeElapsed
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Total elapsed seconds in the current 15-minute interval."
::= { hdsl2ShdslEndpointCurrEntry 9 }
hdsl2ShdslEndpointCurr15MinES OBJECT-TYPE
SYNTAX PerfCurrentCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Errored Seconds (ES) in the current 15-minute
interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 10 }
hdsl2ShdslEndpointCurr15MinSES OBJECT-TYPE
SYNTAX PerfCurrentCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Severely Errored Seconds (SES) in the current
15-minute interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 11 }
hdsl2ShdslEndpointCurr15MinCRCanomalies OBJECT-TYPE
SYNTAX PerfCurrentCount
UNITS "detected CRC Anomalies"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of CRC anomalies in the current 15-minute interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 12 }
hdsl2ShdslEndpointCurr15MinLOSWS OBJECT-TYPE
SYNTAX PerfCurrentCount
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UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Loss of Sync Word (LOSW) Seconds in the current
15-minute interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 13 }
hdsl2ShdslEndpointCurr15MinUAS OBJECT-TYPE
SYNTAX PerfCurrentCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Unavailable Seconds (UAS) in the current 15-minute
interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 14 }
hdsl2ShdslEndpointCurr1DayTimeElapsed OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfTimeElapsed
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Number of seconds that have elapsed since the beginning of
the current 1-day interval."
::= { hdsl2ShdslEndpointCurrEntry 15 }
hdsl2ShdslEndpointCurr1DayES OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfCurrDayCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Errored Seconds (ES) during the current day as
measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 16 }
hdsl2ShdslEndpointCurr1DaySES OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfCurrDayCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Severely Errored Seconds (SES) during the current
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day as measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 17 }
hdsl2ShdslEndpointCurr1DayCRCanomalies OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfCurrDayCount
UNITS "detected CRC Anomalies"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of CRC anomalies during the current day as measured
by hdsl2ShdslEndpointCurr1DayTimeElapsed."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 18 }
hdsl2ShdslEndpointCurr1DayLOSWS OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfCurrDayCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Loss of Sync Word (LOSW) Seconds during the current
day as measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 19 }
hdsl2ShdslEndpointCurr1DayUAS OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfCurrDayCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Unavailable Seconds (UAS) during the current day as
measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2ShdslEndpointCurrEntry 20 }
hdsl2ShdslEndpointCurrTipRingReversal OBJECT-TYPE
SYNTAX INTEGER
{
normal(1),
reversed(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the state of the tip/ring for the
wire pair."
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::= { hdsl2ShdslEndpointCurrEntry 21 }
hdsl2ShdslEndpointCurrActivationState OBJECT-TYPE
SYNTAX INTEGER
{
preActivation(1), -- PreTrain
activation(2), -- Training
data(3) -- Trained
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the activation or training state of
the wire pair."
REFERENCE "ITU-T G.991.2, Section 6.2 PMD Activation Sequence"
::= { hdsl2ShdslEndpointCurrEntry 22 }
-- Segment Endpoint 15-Minute Interval Status/Performance Group
--
hdsl2Shdsl15MinIntervalTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2Shdsl15MinIntervalEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provides one row for each HDSL2/SHDSL endpoint
performance data collection interval. This table contains
live data from equipment. As such, it is NOT persistent."
::= { hdsl2ShdslMibObjects 6 }
hdsl2Shdsl15MinIntervalEntry OBJECT-TYPE
SYNTAX Hdsl2Shdsl15MinIntervalEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2Shdsl15MinIntervalTable."
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
hdsl2ShdslEndpointWirePair, hdsl2Shdsl15MinIntervalNumber}
::= { hdsl2Shdsl15MinIntervalTable 1 }
Hdsl2Shdsl15MinIntervalEntry ::
SEQUENCE
{
hdsl2Shdsl15MinIntervalNumber Unsigned32,
hdsl2Shdsl15MinIntervalES PerfIntervalCount,
hdsl2Shdsl15MinIntervalSES PerfIntervalCount,
hdsl2Shdsl15MinIntervalCRCanomalies PerfIntervalCount,
hdsl2Shdsl15MinIntervalLOSWS PerfIntervalCount,
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hdsl2Shdsl15MinIntervalUAS PerfIntervalCount
}
hdsl2Shdsl15MinIntervalNumber OBJECT-TYPE
SYNTAX Unsigned32(1..96)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Performance Data Interval number. Interval 1 is the most
recent previous interval; interval 96 is 24 hours ago.
Intervals 2..96 are optional."
::= { hdsl2Shdsl15MinIntervalEntry 1 }
hdsl2Shdsl15MinIntervalES OBJECT-TYPE
SYNTAX PerfIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Errored Seconds (ES) during the interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl15MinIntervalEntry 2 }
hdsl2Shdsl15MinIntervalSES OBJECT-TYPE
SYNTAX PerfIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Severely Errored Seconds (SES) during the interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl15MinIntervalEntry 3 }
hdsl2Shdsl15MinIntervalCRCanomalies OBJECT-TYPE
SYNTAX PerfIntervalCount
UNITS "detected CRC Anomalies"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of CRC anomalies during the interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl15MinIntervalEntry 4 }
hdsl2Shdsl15MinIntervalLOSWS OBJECT-TYPE
SYNTAX PerfIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
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DESCRIPTION
"Count of Loss of Sync Word (LOSW) Seconds during the
interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl15MinIntervalEntry 5 }
hdsl2Shdsl15MinIntervalUAS OBJECT-TYPE
SYNTAX PerfIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Unavailable Seconds (UAS) during the interval."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl15MinIntervalEntry 6 }
-- Segment Endpoint 1-Day Interval Status/Performance Group
--
hdsl2Shdsl1DayIntervalTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2Shdsl1DayIntervalEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provides one row for each HDSL2/SHDSL endpoint
performance data collection interval. This table contains
live data from equipment. As such, it is NOT persistent."
::= { hdsl2ShdslMibObjects 7 }
hdsl2Shdsl1DayIntervalEntry OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2Shdsl1DayIntervalTable."
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
hdsl2ShdslEndpointWirePair, hdsl2Shdsl1DayIntervalNumber }
::= { hdsl2Shdsl1DayIntervalTable 1 }
Hdsl2Shdsl1DayIntervalEntry ::
SEQUENCE
{
hdsl2Shdsl1DayIntervalNumber Unsigned32,
hdsl2Shdsl1DayIntervalMoniSecs Hdsl2ShdslPerfTimeElapsed,
hdsl2Shdsl1DayIntervalES Hdsl2Shdsl1DayIntervalCount,
hdsl2Shdsl1DayIntervalSES Hdsl2Shdsl1DayIntervalCount,
hdsl2Shdsl1DayIntervalCRCanomalies Hdsl2Shdsl1DayIntervalCount,
hdsl2Shdsl1DayIntervalLOSWS Hdsl2Shdsl1DayIntervalCount,
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hdsl2Shdsl1DayIntervalUAS Hdsl2Shdsl1DayIntervalCount
}
hdsl2Shdsl1DayIntervalNumber OBJECT-TYPE
SYNTAX Unsigned32(1..30)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"History Data Interval number. Interval 1 is the most
recent previous day; interval 30 is 30 days ago. Intervals
2..30 are optional."
::= { hdsl2Shdsl1DayIntervalEntry 1 }
hdsl2Shdsl1DayIntervalMoniSecs OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfTimeElapsed
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The amount of time in the 1-day interval over which the
performance monitoring information is actually counted.
This value will be the same as the interval duration except
in a situation where performance monitoring data could not
be collected for any reason."
::= { hdsl2Shdsl1DayIntervalEntry 2 }
hdsl2Shdsl1DayIntervalES OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Errored Seconds (ES) during the 1-day interval as
measured by hdsl2Shdsl1DayIntervalMoniSecs."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl1DayIntervalEntry 3 }
hdsl2Shdsl1DayIntervalSES OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Severely Errored Seconds (SES) during the 1-day
interval as measured by hdsl2Shdsl1DayIntervalMoniSecs."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl1DayIntervalEntry 4 }
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hdsl2Shdsl1DayIntervalCRCanomalies OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalCount
UNITS "detected CRC Anomalies"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of CRC anomalies during the 1-day interval as
measured by hdsl2Shdsl1DayIntervalMoniSecs."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl1DayIntervalEntry 5 }
hdsl2Shdsl1DayIntervalLOSWS OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Loss of Sync Word (LOSW) Seconds during the 1-day
interval as measured by hdsl2Shdsl1DayIntervalMoniSecs."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl1DayIntervalEntry 6 }
hdsl2Shdsl1DayIntervalUAS OBJECT-TYPE
SYNTAX Hdsl2Shdsl1DayIntervalCount
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Count of Unavailable Seconds (UAS) during the 1-day interval
as measured by hdsl2Shdsl1DayIntervalMoniSecs."
REFERENCE "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
::= { hdsl2Shdsl1DayIntervalEntry 7 }
-- Maintenance Group
--
hdsl2ShdslEndpointMaintTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslEndpointMaintEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports maintenance operations (e.g. loopbacks)
to be performed on HDSL2/SHDSL segment endpoints. This table
contains live data from equipment. As such, it is NOT
persistent."
::= { hdsl2ShdslMibObjects 8 }
hdsl2ShdslEndpointMaintEntry OBJECT-TYPE
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SYNTAX Hdsl2ShdslEndpointMaintEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslEndpointMaintTable. Each entry
corresponds to a single segment endpoint, and is indexed by the
ifIndex of the HDSL2/SHDSL line, the UnitId of the associated
unit and the side of the unit."
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide }
::= { hdsl2ShdslEndpointMaintTable 1 }
Hdsl2ShdslEndpointMaintEntry ::
SEQUENCE
{
hdsl2ShdslMaintLoopbackConfig INTEGER,
hdsl2ShdslMaintTipRingReversal INTEGER,
hdsl2ShdslMaintPowerBackOff INTEGER,
hdsl2ShdslMaintSoftRestart INTEGER
}
hdsl2ShdslMaintLoopbackConfig OBJECT-TYPE
SYNTAX INTEGER
{
noLoopback(1),
normalLoopback(2),
specialLoopback(3)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object controls configuration of loopbacks for the
associated segment endpoint. The status of the loopback
is obtained via the hdsl2ShdslEndpointCurrStatus object."
::= { hdsl2ShdslEndpointMaintEntry 1 }
hdsl2ShdslMaintTipRingReversal OBJECT-TYPE
SYNTAX INTEGER
{
normal(1),
reversed(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the state of the tip/ring pair at the
associated segment endpoint."
::= { hdsl2ShdslEndpointMaintEntry 2 }
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hdsl2ShdslMaintPowerBackOff OBJECT-TYPE
SYNTAX INTEGER
{
default(1),
enhanced(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object configures the receiver at the associated
segment endpoint to operate in default or enhanced power
backoff mode."
::= { hdsl2ShdslEndpointMaintEntry 3 }
hdsl2ShdslMaintSoftRestart OBJECT-TYPE
SYNTAX INTEGER
{
ready(1),
restart(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object enables the manager to trigger a soft restart
of the modem at the associated segment endpoint. The
manager may only set this object to the 'restart(2)'
value, which initiates a restart. The agent will perform a
restart after approximately 5 seconds. Following the 5 second
period, the agent will restore the object to the 'ready(1)'
state."
::= { hdsl2ShdslEndpointMaintEntry 4 }
hdsl2ShdslUnitMaintTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslUnitMaintEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports maintenance operations for units in a
HDSL2/SHDSL line. Entries in this table MUST be maintained
in a persistent manner."
::= { hdsl2ShdslMibObjects 9 }
hdsl2ShdslUnitMaintEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslUnitMaintEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the hdsl2ShdslUnitMaintTable. Each entry
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corresponds to a single unit, and is indexed by the
ifIndex of the HDSL2/SHDSL line and the UnitId of the
associated unit."
INDEX { ifIndex, hdsl2ShdslInvIndex }
::= { hdsl2ShdslUnitMaintTable 1 }
Hdsl2ShdslUnitMaintEntry ::
SEQUENCE
{
hdsl2ShdslMaintLoopbackTimeout Integer32,
hdsl2ShdslMaintUnitPowerSource INTEGER
}
hdsl2ShdslMaintLoopbackTimeout OBJECT-TYPE
SYNTAX Integer32(0..4095)
UNITS "minutes"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object configures the timeout value for loopbacks
initiated at segments endpoints contained in the associated
unit. A value of 0 disables the timeout."
::= { hdsl2ShdslUnitMaintEntry 1 }
hdsl2ShdslMaintUnitPowerSource OBJECT-TYPE
SYNTAX INTEGER
{
local(1),
span(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the DC power source being used by the
associated unit."
::= { hdsl2ShdslUnitMaintEntry 2 }
-- Span Configuration Profile Group
--
hdsl2ShdslSpanConfProfileTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslSpanConfProfileEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports definitions of span configuration
profiles for SHDSL lines. HDSL2 does not support these
configuration options. This table MUST be maintained
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in a persistent manner."
::= { hdsl2ShdslMibObjects 10 }
hdsl2ShdslSpanConfProfileEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslSpanConfProfileEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry corresponds to a single span configuration
profile. Each profile contains a set of span configuration
parameters. The configuration parameters in a profile are
applied to those lines referencing that profile (see the
hdsl2ShdslSpanConfProfile object). Profiles may be
created/deleted using the row creation/deletion mechanism
via hdsl2ShdslSpanConfProfileRowStatus. If an active
entry is referenced in hdsl2ShdslSpanConfProfile, the
entry MUST remain active until all references are removed."
INDEX { IMPLIED hdsl2ShdslSpanConfProfileName }
::= { hdsl2ShdslSpanConfProfileTable 1 }
Hdsl2ShdslSpanConfProfileEntry ::
SEQUENCE
{
hdsl2ShdslSpanConfProfileName SnmpAdminString,
hdsl2ShdslSpanConfWireInterface INTEGER,
hdsl2ShdslSpanConfMinLineRate Unsigned32,
hdsl2ShdslSpanConfMaxLineRate Unsigned32,
hdsl2ShdslSpanConfPSD INTEGER,
hdsl2ShdslSpanConfTransmissionMode
Hdsl2ShdslTransmissionModeType,
hdsl2ShdslSpanConfRemoteEnabled INTEGER,
hdsl2ShdslSpanConfPowerFeeding INTEGER,
hdsl2ShdslSpanConfCurrCondTargetMarginDown Integer32,
hdsl2ShdslSpanConfWorstCaseTargetMarginDown Integer32,
hdsl2ShdslSpanConfCurrCondTargetMarginUp Integer32,
hdsl2ShdslSpanConfWorstCaseTargetMarginUp Integer32,
hdsl2ShdslSpanConfUsedTargetMargins BITS,
hdsl2ShdslSpanConfReferenceClock
Hdsl2ShdslClockReferenceType,
hdsl2ShdslSpanConfLineProbeEnable INTEGER,
hdsl2ShdslSpanConfProfileRowStatus RowStatus
}
hdsl2ShdslSpanConfProfileName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"This object is the unique index associated with this profile.
Entries in this table are referenced via the object
hdsl2ShdslSpanConfProfile in Hdsl2ShdslSpanConfEntry."
::= { hdsl2ShdslSpanConfProfileEntry 1 }
hdsl2ShdslSpanConfWireInterface OBJECT-TYPE
SYNTAX INTEGER
{
twoWire(1),
fourWire(2),
sixWire(3),
eightWire(4)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the two-wire or optional four-wire,
six-wire, or eight-wire operation for SHDSL Lines."
DEFVAL { twoWire }
::= { hdsl2ShdslSpanConfProfileEntry 2 }
hdsl2ShdslSpanConfMinLineRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the minimum transmission rate for
the associated SHDSL Line in bits-per-second (bps) and includes
both payload (user data) and any applicable framing overhead.
If the minimum line rate equals the maximum line rate
(hdsl2ShdslSpanMaxLineRate), the line rate is considered
'fixed'. If the minimum line rate is less than the
maximum line rate, the line rate is considered
'rate-adaptive'."
DEFVAL { 1552000 }
::= { hdsl2ShdslSpanConfProfileEntry 3 }
hdsl2ShdslSpanConfMaxLineRate OBJECT-TYPE
SYNTAX Unsigned32(0..4294967295)
UNITS "bps"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the maximum transmission rate for
the associated SHDSL Line in bits-per-second (bps) and includes
both payload (user data) and any applicable framing overhead.
If the minimum line rate equals the maximum line rate
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(hdsl2ShdslSpanMaxLineRate), the line rate is considered
'fixed'. If the minimum line rate is less than the
maximum line rate, the line rate is considered
'rate-adaptive'."
DEFVAL { 1552000 }
::= { hdsl2ShdslSpanConfProfileEntry 4 }
hdsl2ShdslSpanConfPSD OBJECT-TYPE
SYNTAX INTEGER
{
symmetric(1),
asymmetric(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures use of symmetric/asymmetric PSD (Power
Spectral Density) Mask for the associated SHDSL Line. Support
for symmetric PSD is mandatory for all supported data rates.
Support for asymmetric PSD is optional."
DEFVAL { symmetric }
::= { hdsl2ShdslSpanConfProfileEntry 5 }
hdsl2ShdslSpanConfTransmissionMode OBJECT-TYPE
SYNTAX Hdsl2ShdslTransmissionModeType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the regional setting for the SHDSL
line."
DEFVAL { { region1 } }
::= { hdsl2ShdslSpanConfProfileEntry 6 }
hdsl2ShdslSpanConfRemoteEnabled OBJECT-TYPE
SYNTAX INTEGER
{
enabled(1),
disabled(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables/disables support for remote management
of the units in a SHDSL line from the STU-R via the EOC."
DEFVAL { enabled }
::= { hdsl2ShdslSpanConfProfileEntry 7 }
hdsl2ShdslSpanConfPowerFeeding OBJECT-TYPE
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SYNTAX INTEGER
{
noPower(1),
powerFeed(2),
wettingCurrent(3)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables/disables support for optional power
feeding in a SHDSL line."
DEFVAL { noPower }
::= { hdsl2ShdslSpanConfProfileEntry 8 }
hdsl2ShdslSpanConfCurrCondTargetMarginDown OBJECT-TYPE
SYNTAX Integer32(-10..21)
UNITS "dB"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the downstream current condition target
SNR margin for a SHDSL line. The SNR margin is the difference
between the desired SNR and the actual SNR. Target SNR margin
is the desired SNR margin for a unit."
DEFVAL { 0 }
::= { hdsl2ShdslSpanConfProfileEntry 9 }
hdsl2ShdslSpanConfWorstCaseTargetMarginDown OBJECT-TYPE
SYNTAX Integer32(-10..21)
UNITS "dB"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the downstream worst case target SNR
margin for a SHDSL line. The SNR margin is the difference
between the desired SNR and the actual SNR. Target SNR
margin is the desired SNR margin for a unit."
DEFVAL { 0 }
::= { hdsl2ShdslSpanConfProfileEntry 10 }
hdsl2ShdslSpanConfCurrCondTargetMarginUp OBJECT-TYPE
SYNTAX Integer32(-10..21)
UNITS "dB"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the upstream current condition target
SNR margin for a SHDSL line. The SNR margin is the difference
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between the desired SNR and the actual SNR. Target SNR margin
is the desired SNR margin for a unit."
DEFVAL { 0 }
::= { hdsl2ShdslSpanConfProfileEntry 11 }
hdsl2ShdslSpanConfWorstCaseTargetMarginUp OBJECT-TYPE
SYNTAX Integer32(-10..21)
UNITS "dB"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the upstream worst case target SNR
margin for a SHDSL line. The SNR margin is the difference
between the desired SNR and the actual SNR. Target SNR margin
is the desired SNR margin for a unit."
DEFVAL { 0 }
::= { hdsl2ShdslSpanConfProfileEntry 12 }
hdsl2ShdslSpanConfUsedTargetMargins OBJECT-TYPE
SYNTAX BITS
{
currCondDown(0),
worstCaseDown(1),
currCondUp(2),
worstCaseUp(3)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Indicates whether a target SNR margin is enabled or
disabled. This is a bit-map of possible settings. The
various bit positions are:
currCondDown - current condition downstream target SNR
margin enabled
worstCaseDown - worst case downstream target SNR margin
enabled
currCondUp - current condition upstream target SNR
margin enabled
worstCaseUp - worst case upstream target SNR margin
enabled."
DEFVAL { { currCondDown } }
::= { hdsl2ShdslSpanConfProfileEntry 13 }
hdsl2ShdslSpanConfReferenceClock OBJECT-TYPE
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SYNTAX Hdsl2ShdslClockReferenceType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the clock reference for the STU-C
in a SHDSL Line."
DEFVAL { localClk }
::= { hdsl2ShdslSpanConfProfileEntry 14 }
hdsl2ShdslSpanConfLineProbeEnable OBJECT-TYPE
SYNTAX INTEGER
{
disable(1),
enable(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables/disables support for Line Probe of
the units in a SHDSL line. When Line Probe is enabled, the
system performs Line Probing to find the best possible
rate. If Line probe is disabled, the rate adaptation phase
is skipped to shorten set up time."
DEFVAL { disable }
::= { hdsl2ShdslSpanConfProfileEntry 15 }
hdsl2ShdslSpanConfProfileRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls creation/deletion of the associated
entry in this table per the semantics of RowStatus. If an
active entry is referenced in hdsl2ShdslSpanConfProfile, the
entry MUST remain active until all references are removed."
::= { hdsl2ShdslSpanConfProfileEntry 16 }
-- Segment Endpoint Alarm Configuration Profile group
--
hdsl2ShdslEndpointAlarmConfProfileTable OBJECT-TYPE
SYNTAX SEQUENCE OF Hdsl2ShdslEndpointAlarmConfProfileEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table supports definitions of alarm configuration
profiles for HDSL2/SHDSL segment endpoints. This table
MUST be maintained in a persistent manner."
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::= { hdsl2ShdslMibObjects 11 }
hdsl2ShdslEndpointAlarmConfProfileEntry OBJECT-TYPE
SYNTAX Hdsl2ShdslEndpointAlarmConfProfileEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry corresponds to a single alarm configuration profile.
Each profile contains a set of parameters for setting alarm
thresholds for various performance attributes monitored at
HDSL2/SHDSL segment endpoints. Profiles may be created/deleted
using the row creation/deletion mechanism via
hdsl2ShdslEndpointAlarmConfProfileRowStatus. If an active
entry is referenced in either hdsl2ShdslSpanConfAlarmProfile
or hdsl2ShdslEndpointAlarmConfProfile, the entry MUST remain
active until all references are removed."
INDEX { IMPLIED hdsl2ShdslEndpointAlarmConfProfileName }
::= { hdsl2ShdslEndpointAlarmConfProfileTable 1 }
Hdsl2ShdslEndpointAlarmConfProfileEntry ::
SEQUENCE
{
hdsl2ShdslEndpointAlarmConfProfileName SnmpAdminString,
hdsl2ShdslEndpointThreshLoopAttenuation Integer32,
hdsl2ShdslEndpointThreshSNRMargin Integer32,
hdsl2ShdslEndpointThreshES
Hdsl2ShdslPerfIntervalThreshold,
hdsl2ShdslEndpointThreshSES
Hdsl2ShdslPerfIntervalThreshold,
hdsl2ShdslEndpointThreshCRCanomalies Integer32,
hdsl2ShdslEndpointThreshLOSWS
Hdsl2ShdslPerfIntervalThreshold,
hdsl2ShdslEndpointThreshUAS
Hdsl2ShdslPerfIntervalThreshold,
hdsl2ShdslEndpointAlarmConfProfileRowStatus RowStatus
}
hdsl2ShdslEndpointAlarmConfProfileName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object is the unique index associated with this profile."
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 1 }
hdsl2ShdslEndpointThreshLoopAttenuation OBJECT-TYPE
SYNTAX Integer32(-127..128)
UNITS "dB"
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MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the loop attenuation alarm threshold.
When the current value of hdsl2ShdslEndpointCurrAtn reaches
or exceeds this threshold, a hdsl2ShdslLoopAttenCrossing
MAY be generated."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 2 }
hdsl2ShdslEndpointThreshSNRMargin OBJECT-TYPE
SYNTAX Integer32(-127..128)
UNITS "dB"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the SNR margin alarm threshold.
When the current value of hdsl2ShdslEndpointCurrSnrMgn
reaches or drops below this threshold, a
hdsl2ShdslSNRMarginCrossing MAY be generated."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 3 }
hdsl2ShdslEndpointThreshES OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfIntervalThreshold
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the threshold for the number of
errored seconds (ES) within any given 15-minute performance
data collection interval. If the value of errored seconds
in a particular 15-minute collection interval reaches/
exceeds this value, a hdsl2ShdslPerfESThresh MAY be
generated. At most one notification will be sent per
interval per endpoint."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 4 }
hdsl2ShdslEndpointThreshSES OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfIntervalThreshold
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the threshold for the number of
severely errored seconds (SES) within any given 15-minute
performance data collection interval. If the value of
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severely errored seconds in a particular 15-minute collection
interval reaches/exceeds this value, a hdsl2ShdslPerfSESThresh
MAY be generated. At most one notification will be sent per
interval per endpoint."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 5 }
hdsl2ShdslEndpointThreshCRCanomalies OBJECT-TYPE
SYNTAX Integer32
UNITS "detected CRC Anomalies"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the threshold for the number of
CRC anomalies within any given 15-minute performance data
collection interval. If the value of CRC anomalies in a
particular 15-minute collection interval reaches/exceeds
this value, a hdsl2ShdslPerfCRCanomaliesThresh MAY be
generated. At most one notification will be sent per
interval per endpoint."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 6 }
hdsl2ShdslEndpointThreshLOSWS OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfIntervalThreshold
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the threshold for the number of
Loss of Sync Word (LOSW) Seconds within any given 15-minute
performance data collection interval. If the value of LOSW
in a particular 15-minute collection interval reaches/exceeds
this value, a hdsl2ShdslPerfLOSWSThresh MAY be generated.
At most one notification will be sent per interval per
endpoint."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 7 }
hdsl2ShdslEndpointThreshUAS OBJECT-TYPE
SYNTAX Hdsl2ShdslPerfIntervalThreshold
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object configures the threshold for the number of
unavailable seconds (UAS) within any given 15-minute
performance data collection interval. If the value of UAS
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in a particular 15-minute collection interval reaches/exceeds
this value, a hdsl2ShdslPerfUASThresh MAY be generated.
At most one notification will be sent per interval per
endpoint."
DEFVAL { 0 }
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 8 }
hdsl2ShdslEndpointAlarmConfProfileRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls creation/deletion of the associated
entry in this table as per the semantics of RowStatus.
If an active entry is referenced in either
hdsl2ShdslSpanConfAlarmProfile or
hdsl2ShdslEndpointAlarmConfProfile, the entry MUST remain
active until all references are removed."
::= { hdsl2ShdslEndpointAlarmConfProfileEntry 9 }
-- Notifications Group
--
hdsl2ShdslNotifications OBJECT IDENTIFIER ::= { hdsl2ShdslMIB 0 }
hdsl2ShdslLoopAttenCrossing NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrAtn,
hdsl2ShdslEndpointThreshLoopAttenuation
}
STATUS current
DESCRIPTION
"This notification indicates that the loop attenuation
threshold (as per the hdsl2ShdslEndpointThreshLoopAttenuation
value) has been reached/exceeded for the HDSL2/SHDSL segment
endpoint."
::= { hdsl2ShdslNotifications 1 }
hdsl2ShdslSNRMarginCrossing NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrSnrMgn,
hdsl2ShdslEndpointThreshSNRMargin
}
STATUS current
DESCRIPTION
"This notification indicates that the SNR margin threshold (as
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per the hdsl2ShdslEndpointThreshSNRMargin value) has been
reached/exceeded for the HDSL2/SHDSL segment endpoint."
::= { hdsl2ShdslNotifications 2 }
hdsl2ShdslPerfESThresh NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurr15MinES,
hdsl2ShdslEndpointThreshES
}
STATUS current
DESCRIPTION
"This notification indicates that the errored seconds
threshold (as per the hdsl2ShdslEndpointThreshES value)
has been reached/exceeded for the HDSL2/SHDSL segment
endpoint."
::= { hdsl2ShdslNotifications 3 }
hdsl2ShdslPerfSESThresh NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurr15MinSES,
hdsl2ShdslEndpointThreshSES
}
STATUS current
DESCRIPTION
"This notification indicates that the severely errored seconds
threshold (as per the hdsl2ShdslEndpointThreshSES value) has
been reached/exceeded for the HDSL2/SHDSL Segment Endpoint."
::= { hdsl2ShdslNotifications 4 }
hdsl2ShdslPerfCRCanomaliesThresh NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurr15MinCRCanomalies,
hdsl2ShdslEndpointThreshCRCanomalies
}
STATUS current
DESCRIPTION
"This notification indicates that the CRC anomalies threshold
(as per the hdsl2ShdslEndpointThreshCRCanomalies value) has
been reached/exceeded for the HDSL2/SHDSL Segment Endpoint."
::= { hdsl2ShdslNotifications 5 }
hdsl2ShdslPerfLOSWSThresh NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurr15MinLOSWS,
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hdsl2ShdslEndpointThreshLOSWS
}
STATUS current
DESCRIPTION
"This notification indicates that the LOSW seconds threshold
(as per the hdsl2ShdslEndpointThreshLOSWS value) has been
reached/exceeded for the HDSL2/SHDSL segment endpoint."
::= { hdsl2ShdslNotifications 6 }
hdsl2ShdslPerfUASThresh NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurr15MinUAS,
hdsl2ShdslEndpointThreshUAS
}
STATUS current
DESCRIPTION
"This notification indicates that the unavailable seconds
threshold (as per the hdsl2ShdslEndpointThreshUAS value) has
been reached/exceeded for the HDSL2/SHDSL segment endpoint."
::= { hdsl2ShdslNotifications 7 }
hdsl2ShdslSpanInvalidNumRepeaters NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslSpanConfNumRepeaters
}
STATUS current
DESCRIPTION
"This notification indicates that a mismatch has been detected
between the number of repeater/regenerator units configured
for a HDSL2/SHDSL line via the hdsl2ShdslSpanConfNumRepeaters
object and the actual number of repeater/regenerator units
discovered via the EOC."
::= { hdsl2ShdslNotifications 8 }
hdsl2ShdslLoopbackFailure NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslMaintLoopbackConfig
}
STATUS current
DESCRIPTION
"This notification indicates that an endpoint maintenance
loopback command failed for an HDSL2/SHDSL segment."
::= { hdsl2ShdslNotifications 9 }
hdsl2ShdslpowerBackoff NOTIFICATION-TYPE
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OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
powerBackoff in the hdsl2ShdslEndpointCurrStatus object for
this endpoint has changed."
::= { hdsl2ShdslNotifications 10 }
hdsl2ShdsldeviceFault NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
deviceFault in the hdsl2ShdslEndpointCurrStatus object for
this endpoint has changed."
::= { hdsl2ShdslNotifications 11 }
hdsl2ShdsldcContinuityFault NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
dcContinuityFault in the hdsl2ShdslEndpointCurrStatus object
for this endpoint has changed."
::= { hdsl2ShdslNotifications 12 }
hdsl2ShdslconfigInitFailure NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
configInitFailure in the hdsl2ShdslEndpointCurrStatus object
for this endpoint has changed."
::= { hdsl2ShdslNotifications 13 }
hdsl2ShdslprotocolInitFailure NOTIFICATION-TYPE
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OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
protocolInitFailure in the hdsl2ShdslEndpointCurrStatus
object for this endpoint has changed."
::= { hdsl2ShdslNotifications 14 }
hdsl2ShdslnoNeighborPresent NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslEndpointCurrStatus
}
STATUS current
DESCRIPTION
"This notification indicates that the bit setting for
noNeighborPresent in the hdsl2ShdslEndpointCurrStatus object
for this endpoint has changed."
::= { hdsl2ShdslNotifications 15 }
hdsl2ShdslLocalPowerLoss NOTIFICATION-TYPE
OBJECTS
{
hdsl2ShdslInvVendorID
}
STATUS current
DESCRIPTION
"This notification indicates impending unit failure due to
loss of local power (last gasp)."
::= { hdsl2ShdslNotifications 16 }
-- conformance information
--
hdsl2ShdslConformance OBJECT IDENTIFIER ::= { hdsl2ShdslMIB 3 }
hdsl2ShdslGroups OBJECT IDENTIFIER ::
{ hdsl2ShdslConformance 1 }
hdsl2ShdslCompliances OBJECT IDENTIFIER ::
{ hdsl2ShdslConformance 2 }
-- agent compliance statements
hdsl2ShdslLineMibCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
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"The section outlines compliance requirements for this MIB."
MODULE
MANDATORY-GROUPS
{
hdsl2ShdslSpanConfGroup,
hdsl2ShdslSpanStatusGroup,
hdsl2ShdslInventoryGroup,
hdsl2ShdslEndpointConfGroup,
hdsl2ShdslEndpointCurrGroup,
hdsl2Shdsl15MinIntervalGroup,
hdsl2Shdsl1DayIntervalGroup,
hdsl2ShdslMaintenanceGroup,
hdsl2ShdslEndpointAlarmConfGroup,
hdsl2ShdslNotificationGroup
}
GROUP hdsl2ShdslInventoryShdslGroup
DESCRIPTION
"Support for this group is only required for implementations
supporting SHDSL lines."
GROUP hdsl2ShdslSpanShdslStatusGroup
DESCRIPTION
"Support for this group is only required for implementations
supporting SHDSL lines."
GROUP hdsl2ShdslSpanConfProfileGroup
DESCRIPTION
"Support for this group is only required for implementations
supporting SHDSL lines."
GROUP hdsl2ShdslWirePairGroup
DESCRIPTION
"Support for this group is only required for implementations
supporting SHDSL lines."
GROUP hdsl2ShdslPayloadRateGroup
DESCRIPTION
"Support for this group is only required for implementations
supporting SHDSL lines."
OBJECT hdsl2ShdslSpanConfWireInterface
SYNTAX INTEGER
{
twoWire(1),
fourWire(2)
}
DESCRIPTION
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"An implementation only has to support the range as
applicable for the original g.shdsl specification defined
in RFC 3276."
OBJECT hdsl2ShdslStatusMaxAttainableLineRate
SYNTAX Unsigned32(0..4112000)
DESCRIPTION
"An implementation only has to support the range as
applicable for the original g.shdsl specification defined
in RFC 3276."
OBJECT hdsl2ShdslStatusActualLineRate
SYNTAX Unsigned32(0..4112000)
DESCRIPTION
"An implementation only has to support the range as
applicable for the original g.shdsl specification defined
in RFC 3276."
OBJECT hdsl2ShdslSpanConfMinLineRate
SYNTAX Unsigned32(0..4112000)
DESCRIPTION
"An implementation only has to support the range as
applicable for the original g.shdsl specification defined
in RFC 3276."
OBJECT hdsl2ShdslSpanConfMaxLineRate
SYNTAX Unsigned32(0..4112000)
DESCRIPTION
"An implementation only has to support the range as
applicable for the original g.shdsl specification defined
in RFC 3276."
::= { hdsl2ShdslCompliances 1 }
-- units of conformance
--
hdsl2ShdslSpanConfGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslSpanConfNumRepeaters,
hdsl2ShdslSpanConfProfile,
hdsl2ShdslSpanConfAlarmProfile
}
STATUS current
DESCRIPTION
"This group supports objects for configuring span related
parameters for HDSL2/SHDSL lines."
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::= { hdsl2ShdslGroups 1 }
hdsl2ShdslSpanStatusGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslStatusNumAvailRepeaters
}
STATUS current
DESCRIPTION
"This group supports objects for retrieving span related
status for HDSL2/SHDSL lines."
::= { hdsl2ShdslGroups 2 }
hdsl2ShdslInventoryShdslGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslInvTransmissionModeCapability
}
STATUS current
DESCRIPTION
"This group supports objects for retrieving SHDSL-specific
inventory information."
::= { hdsl2ShdslGroups 3 }
hdsl2ShdslSpanShdslStatusGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslStatusMaxAttainableLineRate,
hdsl2ShdslStatusActualLineRate,
hdsl2ShdslStatusTransmissionModeCurrent
}
STATUS current
DESCRIPTION
"This group supports objects for retrieving SHDSL-specific
span related status."
::= { hdsl2ShdslGroups 4 }
hdsl2ShdslInventoryGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslInvVendorID,
hdsl2ShdslInvVendorModelNumber,
hdsl2ShdslInvVendorSerialNumber,
hdsl2ShdslInvVendorEOCSoftwareVersion,
hdsl2ShdslInvStandardVersion,
hdsl2ShdslInvVendorListNumber,
hdsl2ShdslInvVendorIssueNumber,
hdsl2ShdslInvVendorSoftwareVersion,
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hdsl2ShdslInvEquipmentCode,
hdsl2ShdslInvVendorOther
}
STATUS current
DESCRIPTION
"This group supports objects that provide unit inventory
information about the units in HDSL2/SHDSL lines."
::= { hdsl2ShdslGroups 5 }
hdsl2ShdslEndpointConfGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslEndpointCurrAtn
}
STATUS current
DESCRIPTION
"This group supports objects for configuring parameters for
segment endpoints in HDSL2/SHDSL lines."
::= { hdsl2ShdslGroups 6 }
hdsl2ShdslEndpointCurrGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslEndpointCurrAtn,
hdsl2ShdslEndpointCurrSnrMgn,
hdsl2ShdslEndpointCurrStatus,
hdsl2ShdslEndpointES,
hdsl2ShdslEndpointSES,
hdsl2ShdslEndpointCRCanomalies,
hdsl2ShdslEndpointLOSWS,
hdsl2ShdslEndpointUAS,
hdsl2ShdslEndpointCurr15MinTimeElapsed,
hdsl2ShdslEndpointCurr15MinES,
hdsl2ShdslEndpointCurr15MinSES,
hdsl2ShdslEndpointCurr15MinCRCanomalies,
hdsl2ShdslEndpointCurr15MinLOSWS,
hdsl2ShdslEndpointCurr15MinUAS,
hdsl2ShdslEndpointCurr1DayTimeElapsed,
hdsl2ShdslEndpointCurr1DayES,
hdsl2ShdslEndpointCurr1DaySES,
hdsl2ShdslEndpointCurr1DayCRCanomalies,
hdsl2ShdslEndpointCurr1DayLOSWS,
hdsl2ShdslEndpointCurr1DayUAS
}
STATUS current
DESCRIPTION
"This group supports objects which provide current status and
performance measurements relating to segment endpoints in
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HDSL2/SHDSL lines."
::= { hdsl2ShdslGroups 7 }
hdsl2Shdsl15MinIntervalGroup OBJECT-GROUP
OBJECTS
{
hdsl2Shdsl15MinIntervalES,
hdsl2Shdsl15MinIntervalSES,
hdsl2Shdsl15MinIntervalCRCanomalies,
hdsl2Shdsl15MinIntervalLOSWS,
hdsl2Shdsl15MinIntervalUAS
}
STATUS current
DESCRIPTION
"This group supports objects which maintain historic
performance measurements relating to segment endpoints in
HDSL2/SHDSL lines in 15-minute intervals."
::= { hdsl2ShdslGroups 8 }
hdsl2Shdsl1DayIntervalGroup OBJECT-GROUP
OBJECTS
{
hdsl2Shdsl1DayIntervalMoniSecs,
hdsl2Shdsl1DayIntervalES,
hdsl2Shdsl1DayIntervalSES,
hdsl2Shdsl1DayIntervalCRCanomalies,
hdsl2Shdsl1DayIntervalLOSWS,
hdsl2Shdsl1DayIntervalUAS
}
STATUS current
DESCRIPTION
"This group supports objects which maintain historic
performance measurements relating to segment endpoints in
HDSL2/SHDSL lines in 1-day intervals."
::= { hdsl2ShdslGroups 9 }
hdsl2ShdslMaintenanceGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslMaintLoopbackConfig,
hdsl2ShdslMaintTipRingReversal,
hdsl2ShdslMaintPowerBackOff,
hdsl2ShdslMaintSoftRestart,
hdsl2ShdslMaintLoopbackTimeout,
hdsl2ShdslMaintUnitPowerSource
}
STATUS current
DESCRIPTION
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"This group supports objects that provide support for
maintenance actions for HDSL2/SHDSL lines."
::= { hdsl2ShdslGroups 10 }
hdsl2ShdslEndpointAlarmConfGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslEndpointAlarmConfProfile,
hdsl2ShdslEndpointThreshLoopAttenuation,
hdsl2ShdslEndpointThreshSNRMargin,
hdsl2ShdslEndpointThreshES,
hdsl2ShdslEndpointThreshSES,
hdsl2ShdslEndpointThreshCRCanomalies,
hdsl2ShdslEndpointThreshLOSWS,
hdsl2ShdslEndpointThreshUAS,
hdsl2ShdslEndpointAlarmConfProfileRowStatus
}
STATUS current
DESCRIPTION
"This group supports objects that allow configuration of alarm
thresholds for various performance parameters for HDSL2/SHDSL
lines."
::= { hdsl2ShdslGroups 11 }
hdsl2ShdslNotificationGroup NOTIFICATION-GROUP
NOTIFICATIONS
{
hdsl2ShdslLoopAttenCrossing,
hdsl2ShdslSNRMarginCrossing,
hdsl2ShdslPerfESThresh,
hdsl2ShdslPerfSESThresh,
hdsl2ShdslPerfCRCanomaliesThresh,
hdsl2ShdslPerfLOSWSThresh,
hdsl2ShdslPerfUASThresh,
hdsl2ShdslSpanInvalidNumRepeaters,
hdsl2ShdslLoopbackFailure,
hdsl2ShdslpowerBackoff,
hdsl2ShdsldeviceFault,
hdsl2ShdsldcContinuityFault,
hdsl2ShdslconfigInitFailure,
hdsl2ShdslprotocolInitFailure,
hdsl2ShdslnoNeighborPresent,
hdsl2ShdslLocalPowerLoss
}
STATUS current
DESCRIPTION
"This group supports notifications of significant conditions
associated with HDSL2/SHDSL lines."
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::= { hdsl2ShdslGroups 12 }
hdsl2ShdslSpanConfProfileGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslSpanConfWireInterface,
hdsl2ShdslSpanConfMinLineRate,
hdsl2ShdslSpanConfMaxLineRate,
hdsl2ShdslSpanConfPSD,
hdsl2ShdslSpanConfTransmissionMode,
hdsl2ShdslSpanConfRemoteEnabled,
hdsl2ShdslSpanConfPowerFeeding,
hdsl2ShdslSpanConfCurrCondTargetMarginDown,
hdsl2ShdslSpanConfWorstCaseTargetMarginDown,
hdsl2ShdslSpanConfCurrCondTargetMarginUp,
hdsl2ShdslSpanConfWorstCaseTargetMarginUp,
hdsl2ShdslSpanConfUsedTargetMargins,
hdsl2ShdslSpanConfReferenceClock,
hdsl2ShdslSpanConfLineProbeEnable,
hdsl2ShdslSpanConfProfileRowStatus
}
STATUS current
DESCRIPTION
"This group supports objects that constitute configuration
profiles for configuring span related parameters in SHDSL
lines."
::= { hdsl2ShdslGroups 13 }
hdsl2ShdslWirePairGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslEndpointCurrTipRingReversal,
hdsl2ShdslEndpointCurrActivationState
}
STATUS current
DESCRIPTION
"This group supports objects which provide the status
of SHDSL-specific wire pairs."
::= { hdsl2ShdslGroups 14 }
hdsl2ShdslPayloadRateGroup OBJECT-GROUP
OBJECTS
{
hdsl2ShdslStatusMaxAttainablePayloadRate,
hdsl2ShdslStatusActualPayloadRate
}
STATUS current
DESCRIPTION
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"This group supports object for retrieving payload rates
which excludes any framing overhead."
::= { hdsl2ShdslGroups 15 }
END
7. Implementation Analysis
A management application which supports RFC 3276 could mistakenly
flag a unit which responds with a rate or wire pair which exceeds the
ranges and/or enumerations specified in RFC 3276. For example, a
G.shdsl.bis line with four wire pairs would report statistics for
wire pairs that do not exist in RFC 3276. That is, a GET-NEXT
request issues with the object identifier:
hdsl2ShdslEndpointCurrAtn.1.1.1.2
might return
hdsl2ShdslEndpointCurrAtn.1.1.1.3 = 0
with a G.shdsl.bis unit and
hdsl2ShdslEndpointCurrSnrMgn.1.1.1.1 = 0
with an HDSL2 unit as these objects are indexed by
INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslendpointSide,
hdsl2ShdslEndpointWirePair }
A management application intended to manage G.shdsl.bis agents SHOULD
be modified to accept this sequence.
One should note that this same unmodified management application is
still capable of managing G.shdsl.bis agents albeit to the degree of
G.SHDSL (non-bis) limitations. That is, it can create and monitor
configurations limited to two wire pairs with an upper rate limit of
4112000 bits/second.
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
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network operations. These are the tables and objects and their
sensitivity/vulnerability:
o hdsl2ShdslSpanConfTable
The table consists of the following objects that support SET
operations:
* hdsl2ShdslSpanConfNumRepeaters
* hdsl2ShdslSpanConfProfile
* hdsl2ShdslSpanConfAlarmProfile
Unauthorized changes to hdsl2ShdslSpanConfNumRepeaters could
result in a hdsl2ShdslSpanInvalidNumRepeaters notification. Note
the discussion on hdsl2ShdslSpanInvalidNumRepeaters in the
Notifications Section above.
Unapproved changes to hdsl2ShdslSpanConfProfile could have an
adverse operational effect on a span. Reference the
hdsl2ShdslSpanConfProfileTable discussion below.
Unofficial changes to hdsl2ShdslSpanConfAlarmProfile could have a
contrary effect on notifications. Reference the
hdsl2ShdslEndpointAlarmConfProfileTable discussion below.
o hdsl2ShdslEndpointConfTable
This table contains one object,
hdsl2ShdslEndpointAlarmConfProfile, that supports SET operations.
Unauthorized changes could have an undesirable notifications.
Reference the hdsl2ShdslEndpointAlarmConfProfileTable discussion
below.
o hdsl2ShdslEndpointMaintTable
The table consists of the following objects that support SET
operations:
* hdsl2ShdslMaintLoopbackConfig
* hdsl2ShdslMaintPowerBackoff
* hdsl2ShdslMaintSoftRestart
Unauthorized changes to hdsl2ShdslMaintLoopbackConfig could
prevent end-to-end data transfer due to an activation of a
loopback.
Illegitimate changes to hdsl2ShdslMaintPowerBackoff could result
in an increased in bundle interference.
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Unapproved changes to hdsl2ShdslMaintSoftRestart could result in a
temporary interruption of end-to-end data transfer as the result
of the triggering of a soft restart.
o hdsl2ShdslUnitMaintTable
This table contains one object, hdsl2ShdslMaintLoopbackTimeout,
that supports SET operations. An unauthorized change to this
object could result in the timeout value for loopbacks being
increased, decreased, or disabled.
o hdsl2ShdslSpanConfProfileTable
The table consists of the following objects that support SET
operations:
* hdsl2ShdslSpanConfWireInterface
* hdsl2ShdslSpanConfMinLineRate
* hdsl2ShdslSpanConfMaxLineRate
* hdsl2ShdslSpanConfPSD
* hdsl2ShdslSpanConfTransmissionMode
* hdsl2ShdslSpanConfRemoteEnabled
* hdsl2ShdslSpanConfPowerFeeding
* hdsl2ShdslSpanConfCurrCondTargetMarginDown
* hdsl2ShdslSpanConfWorstCaseTargetMarginDown
* hdsl2ShdslSpanConfCurrCondTargetMarginUp
* hdsl2ShdslSpanConfWorstCaseTargetMarginUp
* hdsl2ShdslSpanConfUsedTargetMargins
* hdsl2ShdslSpanConfReferenceClock
* hdsl2ShdslSpanConfLineProbeEnable
* hdsl2ShdslSpanConfProfileRowStatus
Setting any of the objects to an incorrect value could have an
adverse operational effect on a span.
Unauthorized changes to the hdsl2ShdslSpanConfWireInterface could
result in the failure of a span to achieve activation to a state
that would permit data flow. For example, setting this object to
six-wire or eight-wire operation when one of the units in the span
only supports two-wire or four-wire operation would likely prevent
an expected end-to-end data transfer capability.
Illegitimate changes to hdsl2ShdslSpanConfMinLineRate or
hdsl2ShdslSpanConfMaxLineRate could have an adverse effect on
performance. The range of allowable line rates could be altered
such that the span may not be able to train to an line rate that
would permit any end-user data to traverse the span or the span
could train to a line rate that is either greater than or less
than the line rate that the provider has pledged.
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Unapproved changes to hdsl2ShdslSpanConfPSD or
hdsl2ShdslSpanConfTransmissionMode could have a detrimental effect
loop reach, performance, or spectral compatibility.
Unofficial changes to hdsl2ShdslSpanConfRemoteEnable could alter
the remote management ability of units.
Unsanctioned changes to hdsl2ShdslSpanConfPowerFeeding could
shutdown units that are expected to be feed power remotely.
Changing the configuration such that wetting current is not
supplied may result in corrosion of electrical contacts.
Unwarranted changes to hdsl2ShdslSpanConfCurrCondTargetMarginDown,
hdsl2ShdslSpanConfWorstCaseTargetMarginDown,
hdsl2ShdslSpanConfCurrCondTargetMarginUp,
hdsl2ShdslSpanConfWorstCaseTargetMarginUp, or
hdsl2ShdslSpanConfUsedTargetMargins could result in invalid
parameters used to determine if a data rate can be supported under
current and worst-case noise.
Illegal changes to hdsl2ShdslSpanConfReferenceClock could result
in the selection of a clock source which might either prevent any
data from being transferred or impair data transfer. In addition,
an increase in CRC anomalies may be experienced.
Undesired changes to hdsl2ShdslSpanConfLineProbeEnable could have
a negative effect on selecting the optimum rate or power level
based on current line conditions.
Unauthorized changes to row status could result in unwanted
profiles being created or brought into service. Also, changes to
the row status could result in profiles being inadvertently
deleted or taken out of service.
o hdsl2ShdslEndpointAlarmConfProfileTable
The table consists of the following objects that support SET
operations:
* hdsl2ShdslEndpointThreshLoopAttenuation
* hdsl2ShdslEndpointThreshSNRMargin
* hdsl2ShdslEndpointThreshES
* hdsl2ShdslEndpointThreshSES
* hdsl2ShdslEndpointThreshCRCanomalies
* hdsl2ShdslEndpointThreshLOSWS
* hdsl2ShdslEndpointThreshUAS
* hdsl2ShdslEndpointAlarmConfProfileRowStatus
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Increasing any of the threshold values could result a notification
being suppressed or deferred. Setting a threshold to 0 could
result in a notification being suppressed. Suppressing or
deferring a notification could prevent the timely delivery of
important diagnostic information. Decreasing any of the threshold
values could result in a notification being sent from the network
falsely reporting a threshold crossing.
Changing a threshold value could also have an impact on the amount
of notifications the agent sends. This document adds a paragraph,
which was not in RFC 3276 [RFC3276], to the Notifications Section
which provides general guidance to the rate limiting of
notifications. Agent implementations not adhering to the
rate-limiting desires could result in notifications being
generated at an uncontrolled rate. Illegitimate changes to a
threshold value could result in an undesired notification rate.
Unauthorized changes to row status could result in unwanted
profiles being created or brought into service. Also, changes to
the row status could result in profiles being inadvertently
deleted or taken out of service.
Some of the readable objects in this MIB module (i.e., objects with a
MAX-ACCESS other than not-accessible) may be considered sensitive or
vulnerable in some network environments. It is thus important to
control even GET and/or NOTIFY access to these objects and possibly
to even encrypt the values of these objects when sending them over
the network via SNMP. These are the tables and objects and their
sensitivity/vulnerability:
o hdsl2ShdslInventoryTable
Access to these objects would allow an intruder to obtain
information about which vendor's equipment is in use on the
network. Further, such information is considered sensitive in
many environments for competitive reasons.
* hdsl2ShdslInvVendorID
* hdsl2ShdslInvVendorModelNumber
* hdsl2ShdslInvVendorSerialNumber
* hdsl2ShdslInvVendorEOCSoftwareVersion
* hdsl2ShdslInvStandardVersion
* hdsl2ShdslInvVendorListNumber
* hdsl2ShdslInvVendorIssueNumber
* hdsl2ShdslInvVendorSoftwareVersion
* hdsl2ShdslInvEquipmentCode
* hdsl2ShdslInvVendorOther
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* hdsl2ShdslInvTransmissionModeCapability
SNMP versions prior to SNMPv3 did not include adequate security.
Even if the network itself is secure (for example by using IPSec),
even then, there is no control as to who on the secure network is
allowed to access and GET/SET (read/change/create/delete) the objects
in this MIB module.
It is RECOMMENDED that implementers consider the security features as
provided by the SNMPv3 framework (see [RFC3410], Section 8),
including full support for the SNMPv3 cryptographic mechanisms (for
authentication and privacy).
Further, deployment of SNMP versions prior to SNMPv3 is NOT
RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to
enable cryptographic security. It is then a customer/operator
responsibility to ensure that the SNMP entity giving access to an
instance of this MIB module is properly configured to give access to
the objects only to those principals (users) that have legitimate
rights to indeed GET or SET (change/create/delete) them.
9. Acknowledgments
The authors are deeply grateful to the authors of the ADSL LINE MIB
(RFC 2662 [RFC2662]), Gregory Bathrick and Faye Ly, as much of the
text and structure of this document originates in their documents.
The authors are also grateful to the authors of FR MFR MIB (RFC 3020
[RFC3020]), Prayson Pate, Bob Lynch, and Kenneth Rehbehn, as the
majority of the Security Considerations section was lifted from their
document.
The authors also acknowledge the importance of the contributions and
suggestions regarding interface indexing structures received from
David Horton of CITR.
The authors are extremely thankful to Bert Wijnen, Randy Presuhn, and
C. M. Heard for their extensive review and the many suggestions
they provided.
Other contributions were received from the following:
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Matt Beanland (Extel Communications)
Philip Bergstresser (Adtran)
Steve Blackwell (Centillium)
Umberto Bonollo (NEC Australia)
John Egan (Metalink BroadBand)
Yagal Hachmon (RAD)
Mark Johnson (Red Point)
Sharon Mantin (Orckit)
Moti Morgenstern (ECI)
Raymond Murphy (Ericsson)
Lee Nipper (Verilink)
Randy Presuhn (BMC Software)
Katy Sherman (Orckit)
Mike Sneed (ECI)
Jon Turney (DSL Solutions)
Aron Wahl (Memotec)
Jim Wilson (for Mindspeed)
Bert Wijnen (Lucent)
Michael Wrobel (Memotec)
10. References
10.1 Normative References
[G.991.2] Blackwell, S., "Single-Pair High-Speed Digital Subscriber
Line (SHDSL) Transceivers", ITU-T G.991.2, December 2003.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2578] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M. and S. Waldbusser, "Structure of Management
Information Version 2 (SMIv2)", STD 58, RFC 2578, April
1999.
[RFC2579] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M. and S. Waldbusser, "Textual Conventions for
SMIv2", STD 58, RFC 2579, April 1999.
[RFC2580] McCloghrie, K., Perkins, D. 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
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Architecture for Describing Simple Network Management
Protocol (SNMP) Management Frameworks", STD 62, RFC 3411,
December 2002.
[RFC3593] Tesink, K., "Textual Conventions for MIB Modules Using
Performance History Based on 15 Minute Intervals",
RFC 3593, September 2003.
[T1E1.4] American National Standards Institute, "ANSI
T1E1.4/2000-006", February 2000.
10.2 Informative References
[RFC2662] Bathrick, G. and F. Ly, "Definitions of Managed Objects
for the ADSL Lines", RFC 2662, August 1999.
[RFC3020] Pate, P., Lynch, B. and K. Rehbehn, "Definitions of
Managed Objects for Monitoring and Controlling the UNI/NNI
Multilink Frame Relay Function", RFC 3020, December 2000.
[RFC3276] 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
Processing", RFC 3276, May 2002.
[RFC3410] Case, J., Mundy, R., Partain, D. and B. Stewart,
"Introduction and Applicability Statements for
Internet-Standard Management Framework", RFC 3410,
December 2002.
[RFC3418] Presuhn, R., "Management Information Base (MIB) for the
Simple Network Management Protocol (SNMP)", STD 62,
RFC 3418, December 2002.
Authors' Addresses
Clay Sikes
Paradyne Corporation
8454 126th Ave. N.
Largo, FL 33773
US
Phone: +1 727 530 8257
Fax: +1 727 532 5698
Email: csikes@paradyne.com
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Bob Ray
PESA Switching Systems, Inc.
330-A Wynn Drive
Huntsville, AL 35805
US
Phone: +1 256 726 9200 ext. 142
Fax: +1 256 726 9271
Email: rray@pesa.com
Rajesh Abbi
Alcatel USA
2912 Wake Forest Road
Raleigh, NC 27609-7860
US
Phone: +1 919-850-6194
Fax: +1 919-850-6670
Email: Rajesh.Abbi@alcatel.com
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Acknowledgment
Funding for the RFC Editor function is currently provided by the
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