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ARC-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, Unsigned32, mib-2
FROM SNMPv2-SMI -- [RFC2578]
TEXTUAL-CONVENTION, RowStatus, StorageType
FROM SNMPv2-TC -- [RFC2579]
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF -- [RFC2580]
ResourceId
FROM ALARM-MIB; -- [RFC3877]
arcMibModule MODULE-IDENTITY
LAST-UPDATED "200409090000Z" -- September 09, 2004
ORGANIZATION "IETF Distributed Management Working Group"
CONTACT-INFO
"WG EMail: disman@ietf.org
Subscribe: disman-request@ietf.org
http://www.ietf.org/html.charters/disman-charter.html
Chair: Randy Presuhn
E-mail: randy_presuhn@mindspring.com
Editor: Hing-Kam Lam
Lucent Technologies, 4C-616
101 Crawfords Corner Road
Holmdel, NJ 07733
USA
Tel: +1 732 949 8338
E-mail: hklam@lucent.com"
DESCRIPTION
"The MIB module describes the objects for controlling a resource
in reporting alarm conditions that it detects.
Copyright (C) The Internet Society (2004). This version
of this MIB module is part of RFC 3878; see the RFC
itself for full legal notices."
REVISION "200409090000Z" -- September 09, 2004
DESCRIPTION
"Initial version, published as RFC 3878."
::={ mib-2 117 }
------------------
-- TEXTUAL-CONVENTION
------------------
IANAItuProbableCauseOrZero ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This TC can take any value of IANAItuProbableCause or 0.
IANAItuProbableCause is defined in the IANA-ITU-ALARM-TC
module, which is maintained at the IANA web site and
published in the Alarm MIB document (see RFC 3877)."
REFERENCE
"IANA-ITU-ALARM-TC MIB module as maintained at the IANA web site.
The initial module was also published in RFC 3877."
--
SYNTAX INTEGER (0..2147483647)
------------------
-- MIB Objects
------------------
arcTimeIntervals OBJECT IDENTIFIER ::= { arcMibModule 1 }
arcObjects OBJECT IDENTIFIER ::= { arcMibModule 2 }
arcTITimeInterval OBJECT-TYPE
SYNTAX Unsigned32
UNITS "seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This variable indicates the time interval used for the nalmTI
state, in units of second. It is a pre-defined length of time
in which the resource will stay in the nalmTI state before
transition into the alm state.
Instances of this object SHOULD persist across agent restarts."
::= { arcTimeIntervals 1 }
arcCDTimeInterval OBJECT-TYPE
SYNTAX Unsigned32
UNITS "seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This variable indicates the time interval used for the nalmQICD
state, in units of second. It is a pre-defined length of time
in which the resource will stay in the nalmQICD state before
transition into the alm state after it is problem-free.
Instances of this object SHOULD persist across agent restarts."
::= { arcTimeIntervals 2 }
arcTable OBJECT-TYPE
SYNTAX SEQUENCE OF ArcEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of Alarm Reporting Control (ARC) settings on the system.
Alarm Reporting Control is a feature that provides an automatic
in-service provisioning capability. Alarm reporting is turned
off on a per-resource basis for a selective set of potential
alarm conditions to allow sufficient time for customer testing
and other maintenance activities in an 'alarm free' state.
Once a resource is ready for service, alarm reporting is
automatically or manually turned on.
Functional description and requirements of Alarm Reporting
Control are defined in ITU-T Recommendation M.3100 Amendment 3
[M.3100 Amd3]."
REFERENCE
"ITU Recommendation M.3100 Amendment 3, 'Generic Network
Information Model', January 2001."
::= { arcObjects 1 }
arcEntry OBJECT-TYPE
SYNTAX ArcEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row that contains information about an ARC setting
of a resource in the system.
Implementation need to be aware that if the total size of
arcIndex and arcNotificationId exceeds 114 sub-IDs, then OIDs
of column instances in this table will have more than 128
sub-IDs and cannot be access using SNMPv1, SNMPv2c, or snmpv3."
INDEX { arcIndex, arcAlarmType, arcNotificationId }
::= { arcTable 1 }
ArcEntry ::=
SEQUENCE {
arcIndex ResourceId,
arcAlarmType IANAItuProbableCauseOrZero,
arcNotificationId OBJECT IDENTIFIER,
arcState INTEGER,
arcNalmTimeRemaining Unsigned32,
arcRowStatus RowStatus,
arcStorageType StorageType
}
arcIndex OBJECT-TYPE
SYNTAX ResourceId
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object uniquely identifies a resource, which is under the
arcState's control for the associated arcAlarmType.
For example, if the resource is an interface, this object will
point to an instance of interface, e.g., ifIndex.1."
::= { arcEntry 1 }
arcAlarmType OBJECT-TYPE
SYNTAX IANAItuProbableCauseOrZero
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies the alarm condition type controlled by the
arcState. It specifies the value 0 or a value of
IANAItuProbableCause that is applicable to the resource.
IANAItuProbableCause is defined in the IANA-ITU-ALARM-TC
module in the Alarm MIB document.
The value of zero (0) implies any probable causes that are
applicable to the resource. Usually, the applicable probable
causes of a resource are specified in the resource-specific mib."
::= { arcEntry 2 }
arcNotificationId OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies the type of notification to be suppressed.
The notification type identified should be the one normally used
by the resource for reporting its alarms. When the value of 0.0 is
specified for this object, it implies all applicable notification
types."
::= { arcEntry 3 }
arcState OBJECT-TYPE
SYNTAX INTEGER {
nalm (1),
nalmQI (2),
nalmTI (3),
nalmQICD (4)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Defined in M.3100 Amendment 3 [M.3100 Amd3], there are five
ARC states: alm, nalm, nalmQI, nalmQICD, and nalmTI.
alm: Alarm reporting is turned on (i.e., is allowed).
nalm: Alarm reporting is turned off (i.e., not allowed).
nalmQI: nalm - Qualified Inhibit. Alarm reporting is
turned off until the managed entity is qualified
problem-free for an optional persistence interval.
Problem-free means that the condition corresponding
to the specified alarm type is cleared.
nalmQICD: nalmQI - Count down. This is a substate of nalmQI
and performs the persistence timing countdown
function after the managed entity is qualified
problem-free.
nalmTI: nalm - Timed Inhibit. Alarm reporting is turned
off for a specified time interval.
alm may transition to nalm, nalmQI or nalmTI by management request.
nalm may transition to alm, nalmQI or nalmTI by management request.
nalmQI may transition to nalm or alm by management request.
nalmQI may transition to alm automatically
if qualified problem-free (if nalmQICD is not supported) or
if the CD timer expired (if nalmQICD is supported)
nalmTI may transition to alm or nalm by management request.
nalmTI may transition to alm automatically if the TI timer expired.
Further details of ARC state transitions are defined in Figure 3
of M.3100 Amd3 [M.3100 Amd3].
According to the requirements in M.3100 Amd3, a resource
supporting the ARC feature shall support the alm state and at
least one of the nalm, nalmTI, and nalmQI states. The nalmQICD
state is an optional substate of nalmQI.
The arcState object controls the alarm reporting state of a
resource. Note that the state alm (alarm reporting is allowed) is
not listed in the enumeration of the value of this object. However,
this state is implicitly supported by the mib.
Once a resource enters the normal reporting mode (i.e., in the alm
state) for the specified alarm type, the corresponding
row will be automatically deleted from the arc table.
Also the manual setting of arcState to alm can be achieved through
setting the RowStatus object to 'destroy'.
The nalamQICD state is a transitional state from nalmQI to alm. It
is optional depending on the resource type and the implementation
of the resource. If it is supported, before the state
transitions from nalmQI to alm, a count down period is activated
for a duration set by the object arcNalmCDTimeInterval. When the
time is up, the arcState transitions to alm."
::= { arcEntry 4 }
arcNalmTimeRemaining OBJECT-TYPE
SYNTAX Unsigned32
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This variable indicates the time remaining in the nalmTI state
or the nalmQICD state, in units of second.
At the moment the resource enters the nalmTI state, this variable
will have the initial value equal to the value of
arcNalmTITimeInterval and then starts decrementing as time goes by.
Similarly at the moment the resource enters the nalmQICD state,
this variable will have the initial value equal to the value of
arcNalmCDTimeInterval and then starts decrementing as time goes by.
This variable is read-create and thus will allow the manager to
write (extend or shorten), as needed, the remaining time when the
resource is in the nalmTI or nalmQICD state.
If this variable is supported and the resource is currently not in
the nalmTI nor nalmQICD state, the value of this variable shall
equal to zero."
::= { arcEntry 5 }
arcRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This columnar object is used for creating and deleting a conceptual
row of the arcTable. It is used to create and delete an arc
setting.
Setting RowStatus to createAndGo or createAndWait implies creating
a new ARC setting for the specified resource and alarm type.
Setting RowStatus to destroy implies removing the ARC setting and
thus has the effect of resuming normal reporting behaviour of the
resource for the alarm type.
Only the objects arcState, arcNalmTimeRemaining, and arcRowStatus
can be updated when a row is active. All the objects, except
arcNalmTimeRemaining, must be set before the row can be activated."
::= { arcEntry 6 }
arcStorageType OBJECT-TYPE
SYNTAX StorageType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The storage type for this conceptual row.
Conceptual rows having the value 'permanent' must
allow write-access at a minimum to arcState.
Note that arcState must allow change by management request.
Therefore, no row can be created with 'readOnly'.
If a set operation tries to set the value to 'readOnly',
then an 'inconsistentValue' error must be returned."
DEFVAL { nonVolatile }
::= { arcEntry 7}
--------------------------
-- conformance information
--------------------------
arcConformance OBJECT IDENTIFIER ::= { arcMibModule 3 }
arcCompliances OBJECT IDENTIFIER ::= { arcConformance 1 }
arcCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for systems supporting
the ARC MIB module."
MODULE -- this module
MANDATORY-GROUPS {
arcSettingGroup
}
OBJECT arcStorageType
WRITE-SYNTAX StorageType {
volatile(2),
nonVolatile(3),
permanent(4)
}
DESCRIPTION
"Support for value 'other' is not required.
The arcState object must allow change by management
request. Therefore, no row can be created with
'readOnly'."
GROUP arcTIGroup
DESCRIPTION
"This group is REQUIRED for ARC settings
that provide the Time Inhibit (TI) function."
GROUP arcQICDGroup
DESCRIPTION
"This group is REQUIRED for ARC settings
that provide the Quality Inhibit (QI) Count Down (CD)
function."
::= { arcCompliances 1 }
arcGroups OBJECT IDENTIFIER ::= { arcConformance 2 }
arcSettingGroup OBJECT-GROUP
OBJECTS {
arcState,
arcRowStatus,
arcStorageType
}
STATUS current
DESCRIPTION
"A collection of objects applicable to
basic ARC setting."
::= { arcGroups 1}
arcTIGroup OBJECT-GROUP
OBJECTS {
arcTITimeInterval,
arcNalmTimeRemaining
}
STATUS current
DESCRIPTION
"A collection of objects applicable to
ARC setting that support the Time Inhibit (TI)
function."
::= { arcGroups 2}
arcQICDGroup OBJECT-GROUP
OBJECTS {
arcCDTimeInterval,
arcNalmTimeRemaining
}
STATUS current
DESCRIPTION
"A collection of objects applicable to
ARC setting that support the Quality Inhibit (QI)
Count Down (CD) function."
::= { arcGroups 3}
END