CABH-QOS-MIB

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Organization: CableLabs Broadband Access Department

Last Updated: 2003-03-01

Category: DOCSIS and Cable, Quality of Service

Description: Manages CableHome QoS (Quality of Service) policy configuration for residential gateway traffic classification.

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What Is CABH-QOS-MIB?

CABH-QOS-MIB is a CableLabs CableHome standard MIB that supplies configuration and monitoring parameters for the CableHome prioritized Quality of Service capability on a residential gateway. Its scope is narrow, it primarily provides administrative control such as resetting the QoS subsystem's configuration to factory defaults, rather than a large set of runtime traffic counters. As a configuration-oriented MIB its monitoring value is mainly in confirming the operational/reset state of QoS policy enforcement on the device rather than hardware health metrics like temperature or CPU. It belongs to the same CableHome MIB family as CABH-CAP-MIB and shares that model's Portal Services device architecture and conventions. It is deployed on cable-operator-provisioned CableHome residential gateways that support prioritized traffic handling for services like voice. Engineers can download the CABH-QOS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CABH-QOS-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

CableHome-compliant residential gateway

Monitoring Examples

The only concretely known object, cabhPriorityQosSetToFactory, would be polled or set by an operator to trigger or verify a reset of the device's QoS configuration back to factory defaults, useful when troubleshooting a gateway with a corrupted or unexpected QoS policy. Because the available sample data does not include runtime traffic-priority counters, a realistic monitoring scenario beyond this reset/status object cannot be substantiated from what is known of this module.

What Can Be Monitored

QoS factory-reset control/status

Imported Objects

From CLAB-DEF-MIB

clabProjCableHome

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From INET-ADDRESS-MIB

InetAddress
InetAddressType
InetPortNumber

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
cabhQosMib	1.3.6.1.4.1.4491.2.4.6			This MIB module supplies parameters for the configuration and monitoring of CableHome prioritized QoS capability.
cabhQosMibObjects	1.3.6.1.4.1.4491.2.4.6.1
cabhPriorityQosMibObjects	1.3.6.1.4.1.4491.2.4.6.1.1
cabhPriorityQosBase	1.3.6.1.4.1.4491.2.4.6.1.1.1
cabhPriorityQosMasterTable	1.3.6.1.4.1.4491.2.4.6.1.1.1.1		not-accessible	This table contains a list of mappings for Application IDs to Default CableHome Priorities.
cabhPriorityQosMasterEntry	1.3.6.1.4.1.4491.2.4.6.1.1.1.1.1		not-accessible	An entry for mapping Application IDs to Default CableHome Priorities.
U32 cabhPriorityQosMasterApplicationId	1.3.6.1.4.1.4491.2.4.6.1.1.1.1.1.1	Unsigned32	not-accessible	The IANA well-known port number identifying an application.
U32 cabhPriorityQosMasterDefaultCHPriority	1.3.6.1.4.1.4491.2.4.6.1.1.1.1.1.2	Unsigned32	read-create	The Qos priority assigned to the application.
ROW cabhPriorityQosMasterRowStatus	1.3.6.1.4.1.4491.2.4.6.1.1.1.1.1.3	RowStatus	read-create	The Row Status interlock for creation and deletion of row entries. The PS MUST NOT allow the NMS to set RowStatus to notInService(2). The PS MUST assign a RowStatus of notReady(3) to any new row created without a valid value for both entries. The PS will prevent modification of this table's columns and return an inconsistentValue error if the NMS attempts to make such modifications while RowStatus is active(1).
T/F cabhPriorityQosSetToFactory	1.3.6.1.4.1.4491.2.4.6.1.1.1.2	TruthValue	read-write	Reading this object alwyas returns false(2). When this object is set to true(1), the PS MUST clear all the entries in the cabhPriorityQosBpTable and cabhPriorityQosBpDestTable.
cabhPriorityQosBp	1.3.6.1.4.1.4491.2.4.6.1.1.2
cabhPriorityQosBpTable	1.3.6.1.4.1.4491.2.4.6.1.1.2.1		not-accessible	This table contains the priorities for each of the discovered CableHome Host (BP) applications and related data.
cabhPriorityQosBpEntry	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1		not-accessible	List of all the discovered applications on a BP and their priorities identified by the PS.
IPt cabhPriorityQosBpIpAddrType	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1.1	InetAddressType	read-only	The type of the IP address assigned to a particular BP element.
IP cabhPriorityQosBpIpAddr	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1.2	InetAddress	read-only	The IP address assigned to a particular BP element.
U32 cabhPriorityQosBpApplicationId	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1.3	Unsigned32	read-only	The IANA well-known port number assigned to a particular application implemented on the CableHome Host device in which this BP resides.
U32 cabhPriorityQosBpDefaultCHPriority	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1.4	Unsigned32	read-only	The priority assigned to a particular application implemented on CableHome Host device in which this BP resides. The PS populates this entry according to the Application Priority Master Table.
U32 cabhPriorityQosBpIndex	1.3.6.1.4.1.4491.2.4.6.1.1.2.1.1.5	Unsigned32	read-only	The unique identifier for a particular row in the BP Application Priority Table. This identifier is used as an index into the 'nested' Destination Priority Table.
cabhPriorityQosBpDestTable	1.3.6.1.4.1.4491.2.4.6.1.1.2.2		not-accessible	This table contains the priorities based on sessions established by a BP, identified by destination IP address and port number. It is indexed with a unique identifier for rows in the BP Application Priority Table (cabhPriorityQoSBpTable.
cabhPriorityQosBpDestEntry	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1		not-accessible	List of Destination IP addresses and port numbers for an application to which special Qos priority is provisioned.
U32 cabhPriorityQosBpDestIndex	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1.1	Unsigned32	not-accessible	The locally unique index into the Destination Priority Table.
IPt cabhPriorityQosBpDestIpAddrType	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1.2	InetAddressType	read-only	The type of the Destination IP Address.
IP cabhPriorityQosBpDestIpAddr	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1.3	InetAddress	read-only	The Destination IP address of the device to which an application-session is established by a BP and a special Qos priority is provisioned.
INE cabhPriorityQosBpDestPort	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1.4	InetPortNumber	read-only	The port number on a IP device to which an application-session is established by a BP and a special Qos priority is provisioned.
U32 cabhPriorityQosBpDestIpPortPriority	1.3.6.1.4.1.4491.2.4.6.1.1.2.2.1.5	Unsigned32	read-only	The Qos priority assigned to a particular application-session (identified by destination IP and Port) on a BP.
cabhPriorityQosPs	1.3.6.1.4.1.4491.2.4.6.1.1.3
cabhPriorityQosPsIfAttribTable	1.3.6.1.4.1.4491.2.4.6.1.1.3.1		not-accessible	This table contains the number of media access priorities and number of queues associated with each LAN interface in the Residential Gateway.
cabhPriorityQosPsIfAttribEntry	1.3.6.1.4.1.4491.2.4.6.1.1.3.1.1		not-accessible	Number of media access priorities and number of queues for each LAN interface in the Residential Gateway. This table applies only to interfaces through which data flows.
U32 cabhPriorityQosPsIfAttribIfNumPriorities	1.3.6.1.4.1.4491.2.4.6.1.1.3.1.1.1	Unsigned32	read-only	The number of media access priorities supported by this LAN interface.
U32 cabhPriorityQosPsIfAttribIfNumQueues	1.3.6.1.4.1.4491.2.4.6.1.1.3.1.1.2	Unsigned32	read-only	The number of queues associated with this LAN interface.
cabhQosNotification	1.3.6.1.4.1.4491.2.4.6.2
cabhPriorityQosNotification	1.3.6.1.4.1.4491.2.4.6.2.1
cabhQosConformance	1.3.6.1.4.1.4491.2.4.6.3
cabhPriorityQosConformance	1.3.6.1.4.1.4491.2.4.6.3.1
cabhPriorityQosGroups	1.3.6.1.4.1.4491.2.4.6.3.1.1
cabhPriorityQosGroup	1.3.6.1.4.1.4491.2.4.6.3.1.1.1			Group of objects for CableHome Application Priority MIB.
cabhPriorityQosCompliances	1.3.6.1.4.1.4491.2.4.6.3.1.2
cabhPriorityQosCompliance	1.3.6.1.4.1.4491.2.4.6.3.1.2.1			The compliance statement for devices that implement CableHome 1.1 PriorityQos capability.

RFC description

CableHome QoS configuration and monitoring for application priority management.

Start monitoring CableHome-compliant residential gateways (cable modem/router) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download CABH-QOS-MIB

What Is CABH-QOS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description