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David Leutgeb
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MIBS/cisco/CISCO-QUEUE-MIB
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305
MIBS/cisco/CISCO-QUEUE-MIB
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-- *****************************************************************
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-- MIB for FIFO, Priority, Custom, and Fair Queuing
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--
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-- May 1995, Fred Baker
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--
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-- Copyright (c) 1995-1996 by cisco Systems, Inc.
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-- All rights reserved.
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-- *****************************************************************
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CISCO-QUEUE-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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MODULE-IDENTITY, OBJECT-TYPE,
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Counter32, Integer32, Gauge32
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FROM SNMPv2-SMI
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MODULE-COMPLIANCE, OBJECT-GROUP
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FROM SNMPv2-CONF
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TEXTUAL-CONVENTION
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FROM SNMPv2-TC
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ifIndex
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FROM RFC1213-MIB
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ciscoMgmt
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FROM CISCO-SMI;
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ciscoQueueMIB MODULE-IDENTITY
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LAST-UPDATED "9505310000Z"
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ORGANIZATION "Cisco Systems, Inc."
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CONTACT-INFO
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" Cisco Systems
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Customer Service
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Postal: 170 West Tasman Drive
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San Jose, CA 95134
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USA
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Tel: +1 800 553-NETS
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E-mail: cs-snmp@cisco.com"
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DESCRIPTION
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"This is the MIB module for objects used to manage
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interface queuing in Cisco devices."
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REVISION "9508210000Z"
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DESCRIPTION
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"Minor cleanups to pacify mib compiler."
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::= { ciscoMgmt 37 }
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ciscoQueueObjects OBJECT IDENTIFIER ::= { ciscoQueueMIB 1 }
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ciscoQueueTraps OBJECT IDENTIFIER ::= { ciscoQueueMIB 2 }
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ciscoQueueConformance OBJECT IDENTIFIER ::= { ciscoQueueMIB 3 }
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CQAlgorithm ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"The type of queuing algorithm used on the interface."
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SYNTAX INTEGER {
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fifo(1), -- First In First Out
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priority(2), -- Priority Queuing
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custom(3), -- Custom Queuing
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weightedFair(4) -- Weighted Fair Queuing
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}
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-- Queue Interface Table
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--
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-- This table describes Cisco specific queuing extensions
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cQIfTable OBJECT-TYPE
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SYNTAX SEQUENCE OF CQIfEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"This table contains objects that describe the queues on a
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Cisco Interface.
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An interface queue is modeled as a collection of one or more
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secondary queues that feed into a device's hardware queue. The
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hardware queue has a maximum depth set by the MCI tx-queue-limit
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command or equivalent. The secondary queues (also known as the
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'hold queue') have maximum depths set by the hold-queue command
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or equivalent.
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This table parallels the ifTable, and indicates the type of
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queuing in use on the interface, number of queues, and similar
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parameters."
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::= { ciscoQueueObjects 1 }
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cQIfEntry OBJECT-TYPE
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SYNTAX CQIfEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"A list of queue attributes for an interface."
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INDEX { ifIndex }
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::= { cQIfTable 1 }
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CQIfEntry ::= SEQUENCE {
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cQIfQType CQAlgorithm,
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cQIfTxLimit Integer32,
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cQIfSubqueues Integer32
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}
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cQIfQType OBJECT-TYPE
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SYNTAX CQAlgorithm
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The type of queuing used in the Hold Queue.
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First In First Out Queuing implies that the interface always
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transmits messages in the order that they are received.
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Priority Queuing sorts messages out by the use of access lists.
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Messages in a higher priority queue are always sent in
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preference to messages in a lower priority queue.
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Custom Queuing sorts messages out by the use of access lists.
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Sub-queues are selected in round robin order as either the
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sub-queue is drained or a given number of octets is moved from
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the sub-queue to the transmission queue.
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Weighted Fair Queuing sorts messages by 'conversation', which
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is source-destination pair of addresses and sockets or ports,
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as defined by the network layer protocol. Messages are removed
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from queues in a sequence that gives each conversation a
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proportion of the available bandwidth."
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::= { cQIfEntry 1 }
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cQIfTxLimit OBJECT-TYPE
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SYNTAX Integer32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The maximum number of messages placed into the hardware
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transmission queue. This is a first come first serve queue, fed
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by the hold queue. If the hold queue contains information,
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this queue is presumably full."
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::= { cQIfEntry 2 }
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cQIfSubqueues OBJECT-TYPE
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SYNTAX Integer32
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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 sub-queues of which the hold queue is built.
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This is a constant for each value of cQIfQType."
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::= { cQIfEntry 3 }
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-- Sub-Queue Statistics Table
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--
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-- This table describes Cisco specific queuing extensions
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cQStatsTable OBJECT-TYPE
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SYNTAX SEQUENCE OF CQStatsEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"This table contains statistical objects that for the
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sub-queues of a Cisco Interface."
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::= { ciscoQueueObjects 2 }
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cQStatsEntry OBJECT-TYPE
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SYNTAX CQStatsEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"A list of sub-queue attributes for an interface."
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INDEX { ifIndex, cQStatsQNumber }
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::= { cQStatsTable 1 }
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CQStatsEntry ::= SEQUENCE {
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cQStatsQNumber Integer32 (0..2147483647),
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cQStatsDepth Gauge32,
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cQStatsMaxDepth Integer32,
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cQStatsDiscards Counter32
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}
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cQStatsQNumber OBJECT-TYPE
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SYNTAX Integer32 (0..2147483647)
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"The number of the queue within the queue set.
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In FIFO queuing, this value is always 2.
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In Priority Queuing, it corresponds to the various priorities:
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high = 0
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medium = 1
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normal = 2
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low = 3
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In Custom Queuing, it is the queue number referenced in the
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access list.
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In Weighted Fair Queuing, it is the queue number associated
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with the traffic stream (conversation) identified."
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::= { cQStatsEntry 1 }
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cQStatsDepth OBJECT-TYPE
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SYNTAX Gauge32
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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 messages in the sub-queue."
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::= { cQStatsEntry 2 }
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cQStatsMaxDepth OBJECT-TYPE
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SYNTAX Integer32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The maximum number of messages permitted in the sub-queue."
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::= { cQStatsEntry 3 }
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cQStatsDiscards OBJECT-TYPE
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SYNTAX Counter32
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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 messages discarded from this queue since restart
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by reason of enqueue at a time that cQStatsDepth >= cQStatsMaxDepth."
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::= { cQStatsEntry 4 }
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-- Custom Queue Rotation Table
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--
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-- This table describes Cisco specific queuing extensions
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cQRotationTable OBJECT-TYPE
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SYNTAX SEQUENCE OF CQRotationEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"This table describes the rotation of Custom Queuing on an
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Interface."
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::= { ciscoQueueObjects 3 }
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cQRotationEntry OBJECT-TYPE
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SYNTAX CQRotationEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Custom Queuing sub-queue attributes for an interface."
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INDEX { ifIndex, cQStatsQNumber }
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::= { cQRotationTable 1 }
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CQRotationEntry ::= SEQUENCE {
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cQRotationOctets Integer32
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}
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cQRotationOctets OBJECT-TYPE
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SYNTAX Integer32
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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 octets which may be transmitted from a custom
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queuing sub-queue before it must yield to another queue."
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::= { cQRotationEntry 1 }
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--
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-- Conformance Information
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--
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cQCompliances OBJECT IDENTIFIER ::= { ciscoQueueConformance 1 }
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cQGroups OBJECT IDENTIFIER ::= { ciscoQueueConformance 2 }
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--
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-- Compliance Statements
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--
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cQCompliance MODULE-COMPLIANCE
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STATUS current
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DESCRIPTION
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"The core compliance statement for all queued interfaces."
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MODULE
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MANDATORY-GROUPS { cQIfGroup, cQStatsGroup, cQRotationGroup }
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::= { cQCompliances 1 }
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--
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-- Core Conformance Groups for All Link Stations
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--
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cQIfGroup OBJECT-GROUP
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OBJECTS { cQIfQType, cQIfTxLimit, cQIfSubqueues }
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STATUS current
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DESCRIPTION
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"The configuration of queuing on the interface. Interface
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Queuing statistics (ifOutQDepth and ifOutDiscards) are kept in
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the interface table."
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::= { cQGroups 1 }
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cQStatsGroup OBJECT-GROUP
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OBJECTS { cQStatsDepth, cQStatsMaxDepth, cQStatsDiscards }
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STATUS current
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DESCRIPTION
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"The statistics for individual queues in the interface queuing
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system."
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::= { cQGroups 2 }
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cQRotationGroup OBJECT-GROUP
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OBJECTS { cQRotationOctets }
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STATUS current
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DESCRIPTION
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"The Custom Queuing queue rotation weights."
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::= { cQGroups 3 }
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END
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