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PerfHist-TC-MIB
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PerfHist-TC-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, Gauge32, mib-2 FROM SNMPv2-SMI TEXTUAL-CONVENTION FROM SNMPv2-TC; perfHistTCMIB MODULE-IDENTITY LAST-UPDATED "200308130000Z" ORGANIZATION "IETF AToM MIB WG" CONTACT-INFO "WG charter: http://www.ietf.org/html.charters/atommib-charter.html Mailing Lists: General Discussion: atommib@research.telcordia.com To Subscribe: atommib-request@research.telcordia.com Editor: Kaj Tesink Postal: Telcordia Technologies 331 Newman Springs Road Red Bank, NJ 07701 USA Tel: +1 732 758 5254 E-mail: kaj@research.telcordia.com" DESCRIPTION "This MIB Module provides Textual Conventions to be used by systems supporting 15 minute based performance history counts. Copyright (C) The Internet Society (2003). This version of this MIB module is part of RFC 3593; see the RFC itself for full legal notices." REVISION "200308130000Z" DESCRIPTION "Contact information and references updated. No technical changes have been applied. Published as RFC 3593." REVISION "199811071100Z" DESCRIPTION "The RFC 2493 version of this MIB module." ::= { mib-2 58 } -- The Textual Conventions defined below are organized -- alphabetically -- Use of these TCs assumes the following: -- 0 The agent supports 15 minute based history -- counters. -- 0 The agent is capable of keeping a history of n -- intervals of 15 minute performance data. The -- value of n is defined by the specific MIB -- module but shall be 0 < n =< 96. -- 0 The agent may optionally support performance -- data aggregating the history intervals. -- 0 The agent will keep separate tables for the -- current interval, the history intervals, and -- the total aggregates. -- 0 The agent will keep the following objects. -- If performance data is kept for multiple instances -- of a measured entity, then -- these objects are applied to each instance of -- the measured entity (e.g., interfaces). -- -- xyzTimeElapsed OBJECT-TYPE -- SYNTAX INTEGER (0..899) -- MAX-ACCESS read-only -- 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, the current interval -- exceeds the maximum value, the agent will return -- the maximum value." -- ::= { xxx } -- xyzValidIntervals OBJECT-TYPE -- SYNTAX INTEGER (0..<n>) -- MAX-ACCESS read-only -- STATUS current -- DESCRIPTION -- "The number of previous near end intervals -- for which data was collected. -- [ The overall constraint on <n> is 1 =< n =< 96; ] -- [ Define any additional constraints on <n> here. ] -- The value will be <n> unless the measurement was -- (re-)started within the last (<n>*15) minutes, in which -- case the value will be the number of complete 15 -- minute intervals for which the agent has at least -- some data. In certain cases (e.g., in the case -- where the agent is a proxy) it is possible that some -- intervals are unavailable. In this case, this -- interval is the maximum interval number for -- which data is available." -- ::= { xxx } -- xyzInvalidIntervals OBJECT-TYPE -- SYNTAX INTEGER (0..<n>) -- MAX-ACCESS read-only -- STATUS current -- DESCRIPTION -- "The number of intervals in the range from -- 0 to xyzValidIntervals for which no -- data is available. This object will typically -- be zero except in cases where the data for some -- intervals are not available (e.g., in proxy -- situations)." -- ::= { xxx } PerfCurrentCount ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A counter associated with a performance measurement in a current 15 minute measurement interval. The value of this counter starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the counter is stored in the first 15 minute history interval, and the CurrentCount is restarted at zero. In the case where the agent has no valid data available for the current 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 (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation)." SYNTAX Gauge32 PerfIntervalCount ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A counter associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular 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 (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). In a system supporting a history of n intervals with IntervalCount(1) and IntervalCount(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of IntervalCount(n) - the value of IntervalCount(i) becomes that of IntervalCount(i-1) for n >= i > 1 - the value of IntervalCount(1) becomes that of CurrentCount - the TotalCount, if supported, is adjusted." SYNTAX Gauge32 PerfTotalCount ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A counter associated with a performance measurements aggregating the previous valid 15 minute measurement intervals. (Intervals for which no valid data was available are not counted)" SYNTAX Gauge32 END