Nortel-MsCarrier-MscPassport-DisdnNISMIB

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Category: ISDN, Nortel MsCarrier MscPassport

Description: Provides SNMP objects for NIS-variant Digital ISDN interface signaling and statistics on Nortel MsCarrier MscPassport.

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What Is Nortel-MsCarrier-MscPassport-DisdnNISMIB?

This is a Nortel MsCarrier/Passport enterprise MIB for managing NIS-variant Digital ISDN (data) signalling channels on the Nortel Passport WAN switching platform, a country/carrier-specific ISDN signalling variant analogous to the Euro-ISDN MIB in the same product family. It exposes row-status-controlled configuration tables for signalling channel instances (mscDataSigChanNisRowStatusTable) and Layer-2 timer/parameter tables (mscDataSigChanNisL2Table, with T200, T23, and N200 values). It is used to monitor and configure the software-level operational state of these ISDN signalling channels — row/component status and Layer-2 retransmission timer behavior — reflecting the health of ISDN call-control links rather than physical sensors. It builds on the general Q.921-style Layer-2/Layer-3 ISDN signalling model together with Nortel's proprietary Passport row-status/component-name framework. It was typically deployed on legacy Nortel Passport/MsCarrier carrier switches providing NIS ISDN signalling in specific national carrier networks. Engineers can download the Nortel-MsCarrier-MscPassport-DisdnNISMIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Nortel-MsCarrier-MscPassport-DisdnNISMIB. 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

Nortel Passport/MsCarrier WAN switches (NIS ISDN signalling)

Monitoring Examples

An operator would check mscDataSigChanNisRowStatusTable entries such as mscDataSigChanNisRowStatus and mscDataSigChanNisComponentName to confirm a given NIS ISDN signalling channel is active, and inspect mscDataSigChanNisL2Table values like mscDataSigChanNisT200 and mscDataSigChanNisN200 to verify Layer-2 timer/retry configuration. A channel showing a non-active row status, or frequent retransmissions near its N200 limit, would indicate signalling instability on that ISDN link.

What Can Be Monitored

ISDN signalling channel row/admin status
Layer-2 timer parameters (T200, T23, N200)
signalling channel component naming
channel storage type/configuration

Imported Objects

From Nortel-MsCarrier-MscPassport-DataIsdnMIB

mscDataSigChan	OBJECT-IDENTITY
mscDataSigChanIndex	OBJECT-TYPE

From Nortel-MsCarrier-MscPassport-StandardTextualConventionsMIB

DisplayString
RowStatus
StorageType
Unsigned32

From Nortel-MsCarrier-MscPassport-TextualConventionsMIB

Link
NonReplicated

From Nortel-MsCarrier-MscPassport-UsefulDefinitionsMIB

mscPassportMIBs

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
mscDataSigChanNis	1.3.6.1.4.1.562.36.2.1.120.13
mscDataSigChanNisRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.13.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanNis components.
mscDataSigChanNisRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.13.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanNis component.
ROW mscDataSigChanNisRowStatus	1.3.6.1.4.1.562.36.2.1.120.13.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of mscDataSigChanNis components. These components can be added and deleted.
STR mscDataSigChanNisComponentName	1.3.6.1.4.1.562.36.2.1.120.13.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO mscDataSigChanNisStorageType	1.3.6.1.4.1.562.36.2.1.120.13.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanNis tables.
NON mscDataSigChanNisIndex	1.3.6.1.4.1.562.36.2.1.120.13.1.1.10	NonReplicated	not-accessible	This variable represents the index for the mscDataSigChanNis tables.
mscDataSigChanNisFramer	1.3.6.1.4.1.562.36.2.1.120.13.2
mscDataSigChanNisFramerRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.13.2.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanNisFramer components.
mscDataSigChanNisFramerRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.13.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanNisFramer component.
ROW mscDataSigChanNisFramerRowStatus	1.3.6.1.4.1.562.36.2.1.120.13.2.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanNisFramer components. These components cannot be added nor deleted.
STR mscDataSigChanNisFramerComponentName	1.3.6.1.4.1.562.36.2.1.120.13.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO mscDataSigChanNisFramerStorageType	1.3.6.1.4.1.562.36.2.1.120.13.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanNisFramer tables.
NON mscDataSigChanNisFramerIndex	1.3.6.1.4.1.562.36.2.1.120.13.2.1.1.10	NonReplicated	not-accessible	This variable represents the index for the mscDataSigChanNisFramer tables.
mscDataSigChanNisFramerProvTable	1.3.6.1.4.1.562.36.2.1.120.13.2.10		not-accessible	This group contains the base provisioning data for the Framer component. Application or hardware interface specific provisioning data is contained in other provisionable Framer groups.
mscDataSigChanNisFramerProvEntry	1.3.6.1.4.1.562.36.2.1.120.13.2.10.1		not-accessible	An entry in the mscDataSigChanNisFramerProvTable.
LIN mscDataSigChanNisFramerInterfaceName	1.3.6.1.4.1.562.36.2.1.120.13.2.10.1.1	Link	read-write	This attribute contains a hardware component name. The attribute associates the application with a specific link. This defines the module processor on which Framer's parent component (as well as Framer itself) will run.
mscDataSigChanNisFramerStateTable	1.3.6.1.4.1.562.36.2.1.120.13.2.12		not-accessible	This group contains the three OSI State attributes. The descriptions generically indicate what each state attribute implies about the component. Note that not all the values and state combinations described here are supported by every component which uses this group. For component-specific information and the valid state combinations, refer to NTP 241-7001-150, Passport Operations and Maintenance Guide.
mscDataSigChanNisFramerStateEntry	1.3.6.1.4.1.562.36.2.1.120.13.2.12.1		not-accessible	An entry in the mscDataSigChanNisFramerStateTable.
INT mscDataSigChanNisFramerAdminState	1.3.6.1.4.1.562.36.2.1.120.13.2.12.1.1	INTEGER	read-only	This attribute indicates the OSI Administrative State of the component. The value locked indicates that the component is administratively prohibited from providing services for its users. A Lock or Lock - force command has been previously issued for this component. When the value is locked, the value of usageState must be idle. The value shuttingDown indicates that the component is administratively permitted to provide service to its existing users only. A Lock command was issued against the component and it is in the process of shutting down. The value unlocked indicates that the component is administratively permitted to provide services for its users. To enter this state, issue an Unlock command to this component.
INT mscDataSigChanNisFramerOperationalState	1.3.6.1.4.1.562.36.2.1.120.13.2.12.1.2	INTEGER	read-only	This attribute indicates the OSI Operational State of the component. The value enabled indicates that the component is available for operation. Note that if adminState is locked, it would still not be providing service. The value disabled indicates that the component is not available for operation. For example, something is wrong with the component itself, or with another component on which this one depends. If the value is disabled, the usageState must be idle.
INT mscDataSigChanNisFramerUsageState	1.3.6.1.4.1.562.36.2.1.120.13.2.12.1.3	INTEGER	read-only	This attribute indicates the OSI Usage State of the component. The value idle indicates that the component is not currently in use. The value active indicates that the component is in use and has spare capacity to provide for additional users. The value busy indicates that the component is in use and has no spare operating capacity for additional users at this time.
mscDataSigChanNisFramerStatsTable	1.3.6.1.4.1.562.36.2.1.120.13.2.13		not-accessible	This group contains the operational statistics data for a Framer component.
mscDataSigChanNisFramerStatsEntry	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1		not-accessible	An entry in the mscDataSigChanNisFramerStatsTable.
U32 mscDataSigChanNisFramerFrmToIf	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.1	Unsigned32	read-only	This attribute counts the number of frames transmitted to the link interface by Framer. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerFrmFromIf	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.2	Unsigned32	read-only	This attribute counts the number of frames received from the link interface by Framer. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerOctetFromIf	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.3	Unsigned32	read-only	The number of bytes received from the link interface by Framer.
U32 mscDataSigChanNisFramerAborts	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.4	Unsigned32	read-only	This attribute counts the total number of aborts received. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerCrcErrors	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.5	Unsigned32	read-only	This attribute counts the total number of frames with CRC errors. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerLrcErrors	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.6	Unsigned32	read-only	This attribute counts the total number of frames with LRC errors. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerNonOctetErrors	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.7	Unsigned32	read-only	This attribute counts the total number of frames that were non octet aligned. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerOverruns	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.8	Unsigned32	read-only	This attribute counts the total number of frames received from the link for which overruns occurred. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerUnderruns	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.9	Unsigned32	read-only	This attribute counts the total number of frames transmitted to the link for which underruns occurred. This count wraps to zero after reaching its maximum value.
U32 mscDataSigChanNisFramerLargeFrmErrors	1.3.6.1.4.1.562.36.2.1.120.13.2.13.1.10	Unsigned32	read-only	This attribute counts the total number of frames received which were too large. The frame was longer than 500 bytes. This count wraps to zero after reaching its maximum value.
mscDataSigChanNisL2Table	1.3.6.1.4.1.562.36.2.1.120.13.11		not-accessible	This group represents the provisionable Layer 2 attributes of the Q931 CCITT protocol.
mscDataSigChanNisL2Entry	1.3.6.1.4.1.562.36.2.1.120.13.11.1		not-accessible	An entry in the mscDataSigChanNisL2Table.
U32 mscDataSigChanNisT23	1.3.6.1.4.1.562.36.2.1.120.13.11.1.1	Unsigned32	read-write	This attribute specifies the layer2 enable request timer.
U32 mscDataSigChanNisT200	1.3.6.1.4.1.562.36.2.1.120.13.11.1.2	Unsigned32	read-write	This attribute specifies the maximum time between a layer 2 frame and its acknowledgement
U32 mscDataSigChanNisN200	1.3.6.1.4.1.562.36.2.1.120.13.11.1.3	Unsigned32	read-write	This attribute specifies the maximum number of re-transmissions of a layer2 frame.
U32 mscDataSigChanNisT203	1.3.6.1.4.1.562.36.2.1.120.13.11.1.4	Unsigned32	read-write	This attribute specifies the maximum time that a no layer 2 traffic situation can last. Expiry triggers a check on whether the far end is a live.
U32 mscDataSigChanNisN201	1.3.6.1.4.1.562.36.2.1.120.13.11.1.5	Unsigned32	read-write	This attribute specifies the maximum number of octets in an information field.
U32 mscDataSigChanNisCircuitSwitchedK	1.3.6.1.4.1.562.36.2.1.120.13.11.1.6	Unsigned32	read-write	This attribute specifies the maximum number of frames for B channel use.
mscDataSigChanNisProvTable	1.3.6.1.4.1.562.36.2.1.120.13.13		not-accessible	This group defines the general options of the d-channel signalling link.
mscDataSigChanNisProvEntry	1.3.6.1.4.1.562.36.2.1.120.13.13.1		not-accessible	An entry in the mscDataSigChanNisProvTable.
INT mscDataSigChanNisSide	1.3.6.1.4.1.562.36.2.1.120.13.13.1.1	INTEGER	read-write	This attribute specifies whether the layer 2 HDLC interface is the network or user side of the connection.
mscDataSigChanNisOperTable	1.3.6.1.4.1.562.36.2.1.120.13.15		not-accessible	This group provides the operational attributes for the signalling protocol.
mscDataSigChanNisOperEntry	1.3.6.1.4.1.562.36.2.1.120.13.15.1		not-accessible	An entry in the mscDataSigChanNisOperTable.
U32 mscDataSigChanNisActiveChannels	1.3.6.1.4.1.562.36.2.1.120.13.15.1.1	Unsigned32	read-only	This attribute indicates the number of currently active channels. This includes data and voice channels.
U32 mscDataSigChanNisPeakActiveChannels	1.3.6.1.4.1.562.36.2.1.120.13.15.1.4	Unsigned32	read-only	This attribute indicates the maximum number of channels that have been active on this signalling channel during the last polling period.
INT mscDataSigChanNisDChanStatus	1.3.6.1.4.1.562.36.2.1.120.13.15.1.7	INTEGER	read-only	This attribute indicates the state of the D-channel. outOfService means that there is no layer 2 or layer 3 connectivity to the PBX. establishing means that the signalling channel is attempting to stage the layer 2. established means that the layer 2 is enabled. If the signalling channel stays in the established state, then it is waiting for a restart from the PBX. enabling means that the resources for processing calls are being initialized. If the signalling channel stays in the enabling state then it is waiting for a restart acknowledgement from the PBX. inService means that the resources for processing calls are available. restarting means that the resources for call processing are being rei- initialized.
mscDataSigChanNisToolsTable	1.3.6.1.4.1.562.36.2.1.120.13.16		not-accessible	This group contains a series of operational attributes which turn on and off several kinds of tracing.
mscDataSigChanNisToolsEntry	1.3.6.1.4.1.562.36.2.1.120.13.16.1		not-accessible	An entry in the mscDataSigChanNisToolsTable.
OCT mscDataSigChanNisTracing	1.3.6.1.4.1.562.36.2.1.120.13.16.1.1	OCTET STRING	read-write	This attribute defines which types of tracing are active for this signalling channel. The tracing messages are sent to the debug stream. To see the messages the agentQueue attribute in Col/debug must be greater than 0 and a Telnet NMIS session must list the debug stream in in its data streams (ex. set nmis telnet session/1 dataStreams debug). Different types of tracing can be enabled simultaneously. Note that tracing consumes additional CPU resources and will slow down call processing on a heavily loaded card. If there is message block exhaustion tracing will be suspended for a period and then automatically reenabled. An alarm is generated on tracing suspension and resumption. This mechanism protects the function processor against excessive numbers of tracing messages. Types of tracing include: protocolErrors - get details of any protocol errors which are occuring. Protocol errors are also reported in summary form as alarms. q931Summary - Summary of the Q.931 messages on the signalling link, including certain call details (calling number, called number, release codes). q931Hex - Q.931 messages displayed in hex format. Useful to determine protocol compliance in case of errors reported on local or remote ends. q931Symbolic - Q.931 messages parsed to give maximum detail. Useful for understanding content of messages flowing on the link. portHex - Messages in hex format being sent and received on the link. Description of bits: protocolErrors(0) q931Summary(1) q931Hex(2) q931Symbolic(3) portHex(4)
disdnNISMIB	1.3.6.1.4.1.562.36.2.2.127
disdnNISGroup	1.3.6.1.4.1.562.36.2.2.127.1
disdnNISGroupCA	1.3.6.1.4.1.562.36.2.2.127.1.1
disdnNISGroupCA02	1.3.6.1.4.1.562.36.2.2.127.1.1.3
disdnNISGroupCA02A	1.3.6.1.4.1.562.36.2.2.127.1.1.3.2
disdnNISCapabilities	1.3.6.1.4.1.562.36.2.2.127.3
disdnNISCapabilitiesCA	1.3.6.1.4.1.562.36.2.2.127.3.1
disdnNISCapabilitiesCA02	1.3.6.1.4.1.562.36.2.2.127.3.1.3
disdnNISCapabilitiesCA02A	1.3.6.1.4.1.562.36.2.2.127.3.1.3.2

RFC description

Nortel MIB module for MSC Passport platform managing DISDN (Distributed Switching for ISDN) NIS (Network Information Services) functionality. Provides SNMP management objects for Nortel telecommunications equipment ISDN network interface services.

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Download Nortel-MsCarrier-MscPassport-DisdnNISMIB

What Is Nortel-MsCarrier-MscPassport-DisdnNISMIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description