CERENT-GENERIC-PM-MIB

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Organization: Cisco Systems, Inc.

Last Updated: 2004-10-13

Category: Optical and WDM, Vendor: Cisco ONS/Cerent

Description: Provides generic performance monitoring data collection objects for Cisco/Cerent ONS optical transport platforms.

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What Is CERENT-GENERIC-PM-MIB?

CERENT-GENERIC-PM-MIB is a vendor-specific MIB from Cisco (originally Cerent) for ONS optical transport platforms, providing a generic framework for performance monitoring (PM) thresholds and statistics across various optical monitoring points. It exposes a threshold table (cerentGenericPmThresholdTable/cerentGenericPmThresholdEntry) defining monitor type, location, measurement period, and threshold value, alongside a current statistics table (cerentGenericPmStatsCurrentTable/cerentGenericPmStatsCurrentEntry) holding live performance counter values. Its monitoring value is centered on hardware performance status of optical interfaces: by comparing current PM statistics against configured thresholds (cerentGenericPmThresholdValue, cerentGenericPmThresholdOverFlowValue), an operator can detect degrading optical signal quality or error-rate excursions on a transport line before they cause a service-affecting outage. As a 'generic' framework, it is likely reused/extended by other Cerent/Cisco optical-specific PM MIBs (such as SONET/DWDM PM modules) that plug into its common threshold model. It is deployed on Cisco ONS 15xxx-series optical transport chassis in carrier and enterprise metro/long-haul optical networks. Engineers can download the CERENT-GENERIC-PM-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CERENT-GENERIC-PM-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 ONS optical transport platform (formerly Cerent)

Monitoring Examples

An operator would poll cerentGenericPmThresholdTable/cerentGenericPmThresholdEntry to see the configured cerentGenericPmThresholdValue and cerentGenericPmThresholdPeriod for a given cerentGenericPmThresholdMonitorType at a specific cerentGenericPmThresholdLocation, then compare it against the live counter in cerentGenericPmStatsCurrentTable/cerentGenericPmStatsCurrentEntry. A current value exceeding cerentGenericPmThresholdValue (or the high-capacity cerentGenericPmThresholdHCValue) would indicate an optical line is experiencing excessive errors or signal degradation over the current 15-minute or daily interval, prompting further optical diagnostics.

What Can Be Monitored

performance monitoring threshold configuration
current PM statistic values
PM overflow/high-capacity counter values
monitor type and location per PM entry

Imported Objects

From CERENT-GLOBAL-REGISTRY

cerentGeneric	OBJECT-IDENTITY
cerentModules	OBJECT-IDENTITY
cerentRequirements	OBJECT-IDENTITY

From CERENT-TC

CerentAlarmThresholdMonitorType
CerentLocation
CerentMonitorType
CerentPeriod

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
cerentGenericPmMIB	1.3.6.1.4.1.3607.1.10.130			This module defines objects for managing generic thresholds and performance monitoring information
cerentGenericPmMIBObjects	1.3.6.1.4.1.3607.2.90
cerentGenericPmThresholdTable	1.3.6.1.4.1.3607.2.90.10		not-accessible	This table contains one row per performance monitoring threshold.
cerentGenericPmThresholdEntry	1.3.6.1.4.1.3607.2.90.10.1		not-accessible	Row definition for cerentGenericPmThresholdTable
I32 cerentGenericPmThresholdIndex	1.3.6.1.4.1.3607.2.90.10.1.10	Integer32	not-accessible	Identifies each entry in Threshold table. May not start with one and there will be some missing numbers.
CER cerentGenericPmThresholdMonitorType	1.3.6.1.4.1.3607.2.90.10.1.20	CerentMonitorType	not-accessible	This object indicates the type of metric monitored.
CER cerentGenericPmThresholdLocation	1.3.6.1.4.1.3607.2.90.10.1.30	CerentLocation	not-accessible	This indicates if the threshold value represented by this row is for near or far end
CER cerentGenericPmThresholdPeriod	1.3.6.1.4.1.3607.2.90.10.1.40	CerentPeriod	not-accessible	The sampling interval period is indicated here
I32 cerentGenericPmThresholdValue	1.3.6.1.4.1.3607.2.90.10.1.50	Integer32	read-only	The lower word value of the threshold that was provisioned by the NMS
I32 cerentGenericPmThresholdOverFlowValue	1.3.6.1.4.1.3607.2.90.10.1.60	Integer32	read-only	The higher word value of the threshold that was provisioned by the NMS
C64 cerentGenericPmThresholdHCValue	1.3.6.1.4.1.3607.2.90.10.1.70	Counter64	read-only	The value of this object will be the 64 bit threshold that was provisioned by the NMS
cerentGenericPmStatsCurrentTable	1.3.6.1.4.1.3607.2.90.20		not-accessible	This table holds all the performance Monitoring statistics for current sampling period.
cerentGenericPmStatsCurrentEntry	1.3.6.1.4.1.3607.2.90.20.1		not-accessible	Row definition for cerentGenericPmStatsCurrentTable
I32 cerentGenericPmStatsCurrentIndex	1.3.6.1.4.1.3607.2.90.20.1.10	Integer32	not-accessible	Identifies each entry in performance monitor table. May not start with one and there will be some missing numbers.
CER cerentGenericPmStatsCurrentType	1.3.6.1.4.1.3607.2.90.20.1.20	CerentMonitorType	not-accessible	This object indicates the type of metric monitored.
CER cerentGenericPmStatsCurrentLocation	1.3.6.1.4.1.3607.2.90.20.1.30	CerentLocation	not-accessible	This indicates if the threshold value represented by this row is for near or far end
CER cerentGenericPmStatsCurrentPeriod	1.3.6.1.4.1.3607.2.90.20.1.40	CerentPeriod	not-accessible	The sampling interval period is indicated here
I32 cerentGenericPmStatsCurrentValue	1.3.6.1.4.1.3607.2.90.20.1.50	Integer32	read-only	The counter associated with this monitor type for this entity in the in the current interval of duration defined by cerentGenericPmStatsPeriod
I32 cerentGenericPmStatsCurrentOverFlowValue	1.3.6.1.4.1.3607.2.90.20.1.60	Integer32	read-only	The counter holds the higher ordered value associated with this monitor type for this entity in the in the current interval of duration defined by cerentGenericPmStatsPeriod
C64 cerentGenericPmStatsCurrentHCValue	1.3.6.1.4.1.3607.2.90.20.1.70	Counter64	read-only	The 64 bit counter associated with this monitor type for this entity in the in the current interval of duration defined by cerentGenericPmStatsCurrentPeriod
T/F cerentGenericPmStatsCurrentValidData	1.3.6.1.4.1.3607.2.90.20.1.80	TruthValue	read-only	This value indicates if the data for the current sampling period is valid
I32 cerentGenericPmStatsCurrentValidIntervals	1.3.6.1.4.1.3607.2.90.20.1.90	Integer32	read-only	This objects specifies the number of contiguous intervals for which the valid values are available for this performance monitoring type.
cerentGenericPmStatsIntervalTable	1.3.6.1.4.1.3607.2.90.30		not-accessible	This table holds all the performance Monitoring statistics for completed intervals
cerentGenericPmStatsIntervalEntry	1.3.6.1.4.1.3607.2.90.30.1		not-accessible	Row definition for cerentGenericPmStatsIntervalTable
I32 cerentGenericPmStatsIntervalIndex	1.3.6.1.4.1.3607.2.90.30.1.10	Integer32	not-accessible	Identifies each entry in performance monitor table. May not start with one and there will be some missing numbers.
CER cerentGenericPmStatsIntervalType	1.3.6.1.4.1.3607.2.90.30.1.20	CerentMonitorType	not-accessible	This object indicates the type of metric monitored.
CER cerentGenericPmStatsIntervalLocation	1.3.6.1.4.1.3607.2.90.30.1.30	CerentLocation	not-accessible	This indicates if the threshold value represented by this row is for near or far end
CER cerentGenericPmStatsIntervalPeriod	1.3.6.1.4.1.3607.2.90.30.1.40	CerentPeriod	not-accessible	The sampling interval period is indicated here
I32 cerentGenericPmStatsIntervalNumber	1.3.6.1.4.1.3607.2.90.30.1.50	Integer32	not-accessible	A number between 1 and 96, which identifies the interval for which the statistics is available. The interval identified by 1 is the most recently completed interval and the interval identified by N is the interval immediately preceding the one identified by N-1.
I32 cerentGenericPmStatsIntervalValue	1.3.6.1.4.1.3607.2.90.30.1.60	Integer32	read-only	The counter associated with this monitor type for this entity in the in a particular interval of duration defined by cerentGenericPmStatsIntervalPeriod
I32 cerentGenericPmStatsIntervalOverFlowValue	1.3.6.1.4.1.3607.2.90.30.1.70	Integer32	read-only	The higher order 32 bit value of the counter associated with this monitor type for this entity in the in a particular interval of duration defined by cerentGenericPmStatsIntervalNumber
C64 cerentGenericPmStatsIntervalHCValue	1.3.6.1.4.1.3607.2.90.30.1.80	Counter64	read-only	The 64-bit counter associated with this monitor type for this entity in the in a particular interval of duration defined by cerentGenericPmStatsIntervalPeriod
T/F cerentGenericPmStatsIntervalValidData	1.3.6.1.4.1.3607.2.90.30.1.90	TruthValue	read-only	This value indicates if the data for this interval is valid
cerentGenericPmAlarmThresholdTable	1.3.6.1.4.1.3607.2.90.40		not-accessible	This table contains one row per performance monitoring AlarmThreshold.
cerentGenericPmAlarmThresholdEntry	1.3.6.1.4.1.3607.2.90.40.1		not-accessible	Row definition for cerentGenericPmAlarmThresoldTable
I32 cerentGenericPmAlarmThresholdIndex	1.3.6.1.4.1.3607.2.90.40.1.10	Integer32	not-accessible	Identifies each entry in AlarmThreshold table. May not start with one and there will be some missing numbers.
CER cerentGenericPmAlarmThresholdMonitorType	1.3.6.1.4.1.3607.2.90.40.1.20	CerentAlarmThresholdMonitorType	not-accessible	This object indicates the type of metric monitored.
I32 cerentGenericPmAlarmThresholdValue	1.3.6.1.4.1.3607.2.90.40.1.30	Integer32	read-only	The lower word value of the AlarmThreshold that was provisioned by the NMS
I32 cerentGenericPmAlarmThresholdOverFlowValue	1.3.6.1.4.1.3607.2.90.40.1.40	Integer32	read-only	The higher word value of the AlarmThreshold that was provisioned by the NMS
C64 cerentGenericPmAlarmThresholdHCValue	1.3.6.1.4.1.3607.2.90.40.1.50	Counter64	read-only	The value of this object will be the 64 bit AlarmThreshold that was provisioned by the NMS
cerentGenericPmMIBConformance	1.3.6.1.4.1.3607.5.80
cerentGenericPmMIBCompliances	1.3.6.1.4.1.3607.5.80.1
cerentGenericPmMIBCompliance	1.3.6.1.4.1.3607.5.80.1.1			Describes the requirements for conformance to the High Capacity Media Independent Group.
cerentGenericPmMIBGroups	1.3.6.1.4.1.3607.5.80.2
cerentGenericPmThresholdGroup	1.3.6.1.4.1.3607.5.80.2.10			The objects for storing all the current alarm thresholds
cerentGenericPmStatsCurrentGroup	1.3.6.1.4.1.3607.5.80.2.20			The objects for storing all the performance montitoring statistics
cerentGenericPmStatsIntervalGroup	1.3.6.1.4.1.3607.5.80.2.30			The objects for storing all the performance montitoring statistics
cerentGenericPmAlarmThresholdGroup	1.3.6.1.4.1.3607.5.80.2.40			The objects for storing all the current alarm thresholds

RFC description

Provides performance monitoring thresholds and statistics for optical and electrical cards on Cisco ONS devices.

Start monitoring Cisco ONS optical transport platforms (formerly Cerent) 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 CERENT-GENERIC-PM-MIB

What Is CERENT-GENERIC-PM-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description