TROPIC-OTUODU-MIB

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Organization: Nokia

Last Updated: 2016-03-23

Description: MIB for OTUk/ODUk layer configuration, cross-connect, APS, and performance data on Nokia Tropic DWDM optical transport systems

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What Is TROPIC-OTUODU-MIB?

This module manages the OTUk/ODUk layers (Optical Transport Unit / Optical channel Data Unit, as defined by ITU-T G.709) on Nokia's Tropic Networks DWDM optical transport systems, covering per-layer configuration, cross-connect provisioning, Automatic Protection Switching (APS), and associated performance data. It exposes configuration objects (layer/cross-connect setup, APS settings) alongside operational and performance-monitoring data for the OTN framing layers that carry client signals across the DWDM network. Its monitoring emphasis is on transport-layer hardware/software performance and fault status: administrators track OTUk/ODUk alarm and defect indications (e.g., loss of frame, BER threshold crossings) and APS switch events to detect degrading optical links or automatic protection switchovers before they cause service-affecting outages. It builds directly on ITU-T G.709/G.798 OTN standards for its layer model and interacts with the Tropic statistics MIB, which supplies the underlying performance counters this module organizes. It is deployed in carrier-grade DWDM/OTN transport networks where guaranteed, protected transport of high-bandwidth client signals is required. Engineers can download the TROPIC-OTUODU-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TROPIC-OTUODU-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

Nokia (Tropic Networks) DWDM/OTN optical transport system

Monitoring Examples

An operator would poll the OTUk/ODUk cross-connect and APS-state objects to confirm a given optical path is cross-connected correctly and check whether an APS protection switch has been triggered, while the associated performance-data objects reveal degrading link quality (e.g., rising error/defect counts) ahead of a hard failure. No specific sample object names were supplied for this module, so field names are described generically based on its documented OTUk/ODUk/APS/performance-data scope.

What Can Be Monitored

OTUk/ODUk cross-connect configuration
APS protection-switch state
OTN alarm/defect indications
layer performance-monitoring counters

Imported Objects

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

TruthValue

From TROPIC-GLOBAL-REG

tnOtuOduMIB	OBJECT-IDENTITY
tnPortModules	OBJECT-IDENTITY

From TROPIC-TC

AluWdmEnabledDisabled
AluWdmFecMode
AluWdmOdukStatus
AluWdmPortOchOtuRate
AluWdmTtiStatus
TnCommand
TropicOperationalCapabilityType
TropicStateQualifierType

How to Use in IPNetwork Monitor

Example using tnOtukPreFec OID:

Select a Nokia (Tropic Networks) DWDM/OTN optical transport system (OTUk/ODUk alarm/APS switchover status) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type tnOtukPreFec into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. It reports the real time error bit rate of pre-FEC (Forward Error Correction). On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases between polls, since a rising count of errors, failures, or discards often points to a real underlying problem. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
tnOtuOduMibModule	1.3.6.1.4.1.7483.1.1.2.2.4.5			OTUk ODUk MIB types.
tnOtuOduConf	1.3.6.1.4.1.7483.2.2.4.7.1
tnOtuOduGroups	1.3.6.1.4.1.7483.2.2.4.7.1.1
tnOtukGroup	1.3.6.1.4.1.7483.2.2.4.7.1.1.1
tnOtuApaGroup	1.3.6.1.4.1.7483.2.2.4.7.1.1.11
tnOtuOduCompliances	1.3.6.1.4.1.7483.2.2.4.7.1.2
tnOdukCompliance	1.3.6.1.4.1.7483.2.2.4.7.1.2.1
tnOtuOduObjs	1.3.6.1.4.1.7483.2.2.4.7.2
tnOtuOduBasics	1.3.6.1.4.1.7483.2.2.4.7.2.1
tnOtukTable	1.3.6.1.4.1.7483.2.2.4.7.2.1.1		not-accessible	Table of Otuk attributes.
tnOtukEntry	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1		not-accessible
ALU tnOtukTtiStatus	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.1	AluWdmTtiStatus	read-only	Otuk TTI status.
ALU tnOtukFecMode	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.2	AluWdmFecMode	read-create	Otuk FEC mode.
ALU tnOtukRate	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.3	AluWdmPortOchOtuRate	read-only	Otuk Rate.
OCT tnOtukIncRes	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.4	OCTET STRING	read-only	OTUk incoming res (reserved for future international standardization).
ALU tnOtukAdminStatus	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.5	AluWdmOdukStatus	read-create	OTUk administrative state. It may be used to suppress the alarms or disable consequent actions on the OTU entity.
T/F tnOtukStateAINS	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.6	TruthValue	read-create	OTUk state AINS attributes.
ALU tnOtukOperStatus	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.7	AluWdmOdukStatus	read-only	OTUk operational state of the interface.
TRO tnOtukStateQualifier	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.8	TropicStateQualifierType	read-only	Indicates the state qualifier (i.e., the secondary state) of the OTUk state.
TRO tnOtukOperationalCapability	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.9	TropicOperationalCapabilityType	read-only	The partiallyEnabled(3) state means an abnormal state.
I32 tnOtukAINSDebounceTime	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.10	Integer32	read-create	This attribute must be set in multiples of 60s. It is equal to System AINS Debounce Time when Port AINS Use System Default is true. Setting the OTUk AINS Debounce Time and OTUk AINS Use System Default to true in the same set request is restricted. Current configurable range: 1m to 96h 0m.
T/F tnOtukUsingSysAINSDebounceTime	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.11	TruthValue	read-create	Using System AINS Debounce Time. Sets with a value of false are restricted. The network operator must set OTUk AINS Debounce Time to some valid value to disable the use of System AINS Debounce Time. Setting the Port AINS Debounce Time and Port AINS Use System Default to true in the same set request is restricted.
U32 tnOtukAINSDebounceTimeRemaining	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.12	Unsigned32	read-only	Number of seconds until the OTUk AINS DebounceTime expires. If Port AINS is false or Port AINS Debounce Time is 0, the value of this attribute will be 0 .
C64 tnOtukPreFecEx	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.14	Counter64	read-only	Real time error bit rate of pre-FEC (Forward Error Correction). Current range: 0 to 4000.
C64 tnOtukPostFec	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.15	Counter64	read-only	Real time error bit rate of post-FEC (Forward Error Correction). Current range: 0 to 4000.
T/F tnOtukAsymInterworking	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.17	TruthValue	read-create	Otuk asymmetric interworking.
U32 tnOtukDegThr	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.18	Unsigned32	read-create	Specifies the burst threshold as a number of errored blocks on the ODU layer. A second is declared as good if the number of detected errored blocks within one second is less than tnOtukDegThr, otherwise the second is declared as bad second.
U32 tnOtukDegM	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.19	Unsigned32	read-create	Specifies the number of consecutive bad seconds to be detected before declaring a signal degrade defect on the ODU. The defect is cleared if tnOtukDegM consecutive good seconds are detected. Current Configurable Range: 2 to 10.
OCT tnOtukDapiAccepted	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.20	OCTET STRING	read-only	The DAPI bytes received.
OCT tnOtukDapiExpected	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.21	OCTET STRING	read-create	The DAPI bytes expected by the receiver.
OCT tnOtukDapiTransmitted	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.22	OCTET STRING	read-create	The DAPI bytes transmitted. The TTI[17] to TTI[31] contain the 15-character destination access point identifier(DAPI).
OCT tnOtukOsAccepted	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.23	OCTET STRING	read-only	The OS bytes received.
OCT tnOtukOsTransmitted	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.24	OCTET STRING	read-create	The OS bytes transmitted. The TTI[32] to TTI[63] contain the 32-character Operator Specific(OS).
OCT tnOtuAlmProfName	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.25	OCTET STRING	read-create
INT tnOtuServerPort	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.26	INTEGER	read-create	Server port types.
INT tnOtukMgracd	1.3.6.1.4.1.7483.2.2.4.7.2.1.1.1.27	INTEGER	read-create	Indicates if managed by CP, MGNPLN, shared by both or free.
tnOtuApaTable	1.3.6.1.4.1.7483.2.2.4.7.2.1.11		not-accessible	Table of APA attributes.
tnOtuApaEntry	1.3.6.1.4.1.7483.2.2.4.7.2.1.11.1		not-accessible
I32 tnOtuApaInterval	1.3.6.1.4.1.7483.2.2.4.7.2.1.11.1.1	Integer32	not-accessible
C64 tnOtuApaPreFecBer	1.3.6.1.4.1.7483.2.2.4.7.2.1.11.1.2	Counter64	read-only
C64 tnOtuApaFecUncorrCnt	1.3.6.1.4.1.7483.2.2.4.7.2.1.11.1.3	Counter64	read-only

RFC description

Manages OTU/ODU interface parameters and performance metrics on Tropic optical transport equipment.

Start monitoring Nokia (Tropic Networks) DWDM/OTN optical transport system (OTUk/ODUk alarm/APS switchover status) 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 TROPIC-OTUODU-MIB