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