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David Leutgeb
166
MIBS/junos/PerfHist-TC-MIB
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166
MIBS/junos/PerfHist-TC-MIB
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PerfHist-TC-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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MODULE-IDENTITY,
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Gauge32, mib-2
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FROM SNMPv2-SMI
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TEXTUAL-CONVENTION
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FROM SNMPv2-TC;
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perfHistTCMIB MODULE-IDENTITY
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LAST-UPDATED "9811071100Z"
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ORGANIZATION "IETF AToMMIB and TrunkMIB WGs"
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CONTACT-INFO
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"Kaj Tesink
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Postal: Bellcore
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331 Newman Springs Road
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Red Bank, NJ 07701
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USA
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Tel: +1 732 758 5254
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Fax: +1 732 758 2269
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E-mail: kaj@bellcore.com"
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DESCRIPTION
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"This MIB Module provides Textual Conventions
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to be used by systems supporting 15 minute
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based performance history counts."
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::= { mib-2 58 }
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-- The Textual Conventions defined below are organized
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-- alphabetically
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-- Use of these TCs assumes the following:
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-- 0 The agent supports 15 minute based history
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-- counters.
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-- 0 The agent is capable of keeping a history of n
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-- intervals of 15 minute performance data. The
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-- value of n is defined by the specific MIB
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-- module but shall be 0 < n =< 96.
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-- 0 The agent may optionally support performance
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-- data aggregating the history intervals.
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-- 0 The agent will keep separate tables for the
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-- current interval, the history intervals, and
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-- the total aggregates.
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-- 0 The agent will keep the following objects.
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-- If performance data is kept for multiple instances
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-- of a measured entity, then
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-- these objects are applied to each instance of
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-- the measured entity (e.g., interfaces).
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--
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-- xyzTimeElapsed OBJECT-TYPE
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-- SYNTAX INTEGER (0..899)
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-- MAX-ACCESS read-only
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-- STATUS current
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-- DESCRIPTION
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-- "The number of seconds that have elapsed since
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-- the beginning of the current measurement period.
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-- If, for some reason, such as an adjustment in the
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-- system's time-of-day clock, the current interval
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-- exceeds the maximum value, the agent will return
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-- the maximum value."
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-- ::= { xxx }
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-- xyzValidIntervals OBJECT-TYPE
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-- SYNTAX INTEGER (0..<n>)
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-- MAX-ACCESS read-only
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-- STATUS current
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-- DESCRIPTION
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-- "The number of previous near end intervals
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-- for which data was collected.
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-- [ The overall constraint on <n> is 1 =< n =< 96; ]
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-- [ Define any additional constraints on <n> here. ]
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-- The value will be <n> unless the measurement was
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-- (re-)started within the last (<n>*15) minutes, in which
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-- case the value will be the number of complete 15
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-- minute intervals for which the agent has at least
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-- some data. In certain cases (e.g., in the case
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-- where the agent is a proxy) it is possible that some
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-- intervals are unavailable. In this case, this
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-- interval is the maximum interval number for
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-- which data is available."
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-- ::= { xxx }
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-- xyzInvalidIntervals OBJECT-TYPE
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-- SYNTAX INTEGER (0..<n>)
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-- MAX-ACCESS read-only
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-- STATUS current
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-- DESCRIPTION
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-- "The number of intervals in the range from
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-- 0 to xyzValidIntervals for which no
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-- data is available. This object will typically
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-- be zero except in cases where the data for some
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-- intervals are not available (e.g., in proxy
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-- situations)."
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-- ::= { xxx }
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PerfCurrentCount ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"A counter associated with a
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performance measurement in a current 15
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minute measurement interval. The value
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of this counter starts from zero and is
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increased when associated events occur,
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until the end of the 15 minute interval.
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At that time the value of the counter is
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stored in the first 15 minute history
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interval, and the CurrentCount is
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restarted at zero. In the
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case where the agent has no valid data
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available for the current interval the
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corresponding object instance is not
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available and upon a retrieval request
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a corresponding error message shall be
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returned to indicate that this instance
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does not exist (for example, a noSuchName
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error for SNMPv1 and a noSuchInstance for
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SNMPv2 GET operation)."
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SYNTAX Gauge32
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PerfIntervalCount ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"A counter associated with a
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performance measurement in a previous
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15 minute measurement interval. In the
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case where the agent has no valid data
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available for a particular interval the
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corresponding object instance is not
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available and upon a retrieval request
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a corresponding error message shall be
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returned to indicate that this instance
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does not exist (for example, a noSuchName
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error for SNMPv1 and a noSuchInstance for
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SNMPv2 GET operation).
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In a system supporting
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a history of n intervals with
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IntervalCount(1) and IntervalCount(n) the
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most and least recent intervals
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respectively, the following applies at
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the end of a 15 minute interval:
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- discard the value of IntervalCount(n)
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- the value of IntervalCount(i) becomes that
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of IntervalCount(i-1) for n >= i > 1
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- the value of IntervalCount(1) becomes that
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of CurrentCount
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- the TotalCount, if supported, is adjusted."
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SYNTAX Gauge32
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PerfTotalCount ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"A counter associated with a
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performance measurements aggregating the
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previous valid 15 minute measurement
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intervals. (Intervals for which no valid
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data was available are not counted)"
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SYNTAX Gauge32
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END
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