CISCO-ATM-TRAFFIC-MIB

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Organization: Cisco System Inc.

Last Updated: 2002-08-26

Category: ATM

Description: Manages ATM traffic descriptor profiles and service categories on Cisco ATM devices.

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What Is CISCO-ATM-TRAFFIC-MIB?

CISCO-ATM-TRAFFIC-MIB extends the traffic descriptor objects defined in RFC 1695 for ATM devices, adding Cisco-specific service-category and naming information to ATM traffic contracts. It exposes an extended traffic descriptor table capturing the explicit and derived ATM service category (e.g., CBR, VBR, UBR) for a connection along with a human-readable traffic descriptor name. Monitoring-wise, it is used for QoS/traffic-contract configuration verification rather than hardware health—an operator checks atmTrafficExplicitServCategory against atmTrafficDerivedServCategory to confirm a connection is classified and provisioned with the intended service category, which affects how bandwidth and cell loss priority are enforced. It directly depends on and extends the standard ATM-MIB traffic descriptor table from RFC 1695. It is used in legacy carrier/enterprise ATM networks where traffic contracts and service categories needed to be verified for QoS compliance, and the CISCO-ATM-TRAFFIC-MIB MIB remains a useful reference for auditing those legacy QoS configurations.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-ATM-TRAFFIC-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

Cisco ATM switches

Monitoring Examples

An admin polls atmTrafficDescrParamExtTable/Entry to compare atmTrafficExplicitServCategory (as configured) against atmTrafficDerivedServCategory (as actually derived/enforced by the switch) for a given traffic descriptor identified by atmTrafficDescriptorName. A mismatch between the explicit and derived service category would indicate a misconfigured or incompatible traffic contract that could cause unexpected cell discard or bandwidth allocation on that ATM connection.

What Can Be Monitored

ATM traffic descriptor name
explicit service category
derived service category

Imported Objects

From ATM-MIB

atmTrafficDescrParamEntry

OBJECT-TYPE

From CISCO-SMI

ciscoExperiment

OBJECT-IDENTITY

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
ciscoAtmTrafficExtMIB	1.3.6.1.4.1.9.10.11			This MIB module is an extension to traffic OIDs and variables defined in rfc1695.
ciscoAtmTrafficExtMIBObjects	1.3.6.1.4.1.9.10.11.1
ciscoAtmTrafficTypeExt	1.3.6.1.4.1.9.10.11.1.1
atmNoClpNoScrCdvt	1.3.6.1.4.1.9.10.11.1.1.1			Specifies peak cell rate for CLP, and cell delay variation tolerance: Parameter 1: CLP=0+1 peak cell rate in cells per second Parameter 2: CDVT in cell-times Parameter 3: not used Parameter 4: not used Parameter 5: not used. This traffic descriptor is for cbr, abr or ubr service categories, desiring to specify the cdvt as well as pcr.
atmClpScrMbsCdvt	1.3.6.1.4.1.9.10.11.1.1.2			This traffic descriptor is for Peak Cell Rate (PCR), Sustained Cell Rate (SCR), Maximum Burst Size applied to SCR, and Cell Delay Variation Tolerance applied to PCR. The use of the parameter vector for this type: Parameter 1: CLP=0+1 peak cell rate in cells per second Parameter 2: CLP=0 sustained cell rate in cells per second. Parameter 3: maximum burst size in cells Parameter 4: CDVT in cell-times Parameter 5: not used.
atmNoClpScrMbsCdvt	1.3.6.1.4.1.9.10.11.1.1.3			This traffic descriptor is for Peak Cell Rate (PCR), Sustained Cell Rate (SCR), Maximum Burst Size applied to SCR, and Cell Delay Variation Tolerance applied to PCR. The use of the parameter vector for this type: Parameter 1: CLP=0+1 peak cell rate in cells per second Parameter 2: CLP=0+1 sustained cell rate in cells per second. Parameter 3: maximum burst size in cells Parameter 4: CDVT in cell-times Parameter 5: not used.
atmNoClpMcr	1.3.6.1.4.1.9.10.11.1.1.4			This traffic descriptor is for Peak Cell Rate (PCR) and Minimum Cell Rate (MCR). The use of the parameter vector for this type: Parameter 1: CLP=0+1 peak cell rate in cells per second Parameter 2: CLP=0+1 minimum cell rate in cells per second. Parameter 3: not used. Parameter 4: not used. Parameter 5: not used.
atmNoClpMcrCdvt	1.3.6.1.4.1.9.10.11.1.1.5			This traffic descriptor is for Peak Cell Rate (PCR), Minimum Cell Rate (MCR), and Cell Delay Variation Tolerance applied to PCR. The use of the parameter vector for this type: Parameter 1: CLP=0+1 peak cell rate in cells per second Parameter 2: CDVT in cell-times Parameter 3: CLP=0+1 minimum cell rate in cells per second. Parameter 4: not used. Parameter 5: not used.
ciscoAtmTrafficTableExt	1.3.6.1.4.1.9.10.11.1.2
atmTrafficDescrParamExtTable	1.3.6.1.4.1.9.10.11.1.2.1		not-accessible	Provide additional information specifying traffic parameters for a VC/VP.
atmTrafficDescrParamExtEntry	1.3.6.1.4.1.9.10.11.1.2.1.1		not-accessible	An entry in the Traffic Parameter Descriptor extension table.
INT atmTrafficExplicitServCategory	1.3.6.1.4.1.9.10.11.1.2.1.1.1	INTEGER	read-create	This objects indicates the Service Category specified by the Traffic Descriptor. If it is defined, the setting of this object determines the Service Category used for the connection. This then limits the possible Traffic Descriptor Types as follows: Explicit Service Category Type may only be ----------------------------------------- cbr atmNoClpNoScr. atmClpNoTaggingNoScr atmClpTaggingNoScr atmNoClpNoScrCdvt abr/ubr atmNoTrafficDescriptor atmNoClpNoScr. atmNoClpNoScrCdvt atmNoClpMcr -- ubr+/abr atmNoClpMcrCdvt -- ubr+/abr vbr atmNoClpScr atmClpNoTaggingScr atmClpTaggingScr atmClpScrMbsCdvt atmNoClpScrMbsCdvt ----------------------------------------- If the settings of Service Category and Traffic Descriptor Type are not compatible, the row can not be made active.
INT atmTrafficDerivedServCategory	1.3.6.1.4.1.9.10.11.1.2.1.1.2	INTEGER	read-only	This object indicates the Service Category derived from the Traffic Descriptor. If the object atmTrafficExplicitServCategory has a defined value, then this object mirrors that value. If Explicit Service Category has the value notDef, then this object reflects the Service Category derived from the Traffic Descriptor Type as follows: Traffic Descriptor Service Type Category ----------------------------------------- atmNoTrafficDescriptor ubr atmNoClpMcr abr atmNoClpMcrCdvt abr atmNoClpNoScr --\| atmClpNoTaggingNoScr \|-- cbr atmClpTaggingNoScr \| atmNoClpNoScrCdvt --\| atmNoClpScr --\| atmClpNoTaggingScr \|-- vbr-rt atmClpScrMbsCdvt \| atmNoClpScrMbsCdvt \| atmClpTaggingScr --\| -----------------------------------------
STR atmTrafficDescriptorName	1.3.6.1.4.1.9.10.11.1.2.1.1.3	SnmpAdminString	read-create	A human readable string that contains the unique name of this Traffic Descriptor. This object will return a zero-length string if value is not set.
ciscoAtmTrafficExtMIBConformance	1.3.6.1.4.1.9.10.11.3
ciscoAtmTrafficExtMIBCompliances	1.3.6.1.4.1.9.10.11.3.1
ciscoAtmTrafficExtMIBCompliance	1.3.6.1.4.1.9.10.11.3.1.1			The compliance statement for the Cisco ATM Traffic Extension MIB.
ciscoAtmTrafficExtMIBComplianceRev1	1.3.6.1.4.1.9.10.11.3.1.2			The compliance statement for the Cisco ATM Traffic Extension MIB.
ciscoAtmTrafficExtMIBGroups	1.3.6.1.4.1.9.10.11.3.2
ciscoAtmTrafficTableExtMIBGroup	1.3.6.1.4.1.9.10.11.3.2.1			A collection of objects which provide extensions to the ATM Traffic Parameter Descriptor Table.
ciscoAtmTrafficNmsGroup	1.3.6.1.4.1.9.10.11.3.2.2			A collection of objects which provide additional information for a management system.

RFC description

Cisco ATM traffic parameter extensions for quality-of-service and traffic descriptor management.

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Download CISCO-ATM-TRAFFIC-MIB

What Is CISCO-ATM-TRAFFIC-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description