Nortel-Magellan-Passport-DisdnETSIMIB

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Category: Telephony/VoIP

Description: Manages Nortel Magellan Passport ISDN signaling conforming to ETSI DSS1 protocol specification.

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What Is Nortel-Magellan-Passport-DisdnETSIMIB?

This Nortel Magellan Passport module manages ISDN signaling channels conforming to the ETSI DSS1 (Digital Subscriber Signaling System No. 1) protocol standard on Passport platforms, covering data signaling channel configuration for ETSI-compliant ISDN interfaces. It exposes provisioning/row-status tables (dataSigChanEtsiRowStatusTable) and Layer-2 signaling parameter tables (dataSigChanEtsiL2Table) including protocol timers such as T200, T23, and N200 retransmission/retry counts used in DSS1 Layer 2 (LAPD) operation. Its monitoring value is protocol-configuration and link-status verification: confirming ISDN signaling channels are correctly provisioned and active, and that Layer 2 timer/counter values are set to expected values, since misconfigured timers can cause signaling instability or dropped ISDN calls. This module explicitly depends on and conforms to the ETSI DSS1 standard, an ITU/ETSI-defined ISDN signaling specification, layered onto the Passport's common row-status/component MIB conventions. It was deployed on Nortel Magellan Passport switches providing ISDN connectivity in European (ETSI-region) telecom networks, and a Nortel-Magellan-Passport-DisdnETSIMIB download is generally needed to compile these ETSI DSS1 objects into legacy Passport management tools.

IPNetwork Monitor allows you to monitor SNMP objects defined in Nortel-Magellan-Passport-DisdnETSIMIB. 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 Magellan Passport ISDN switch (ETSI DSS1 signaling)

Monitoring Examples

An engineer diagnosing unstable ISDN signaling would check dataSigChanEtsiL2Table (dataSigChanEtsiL2Entry) for the configured dataSigChanEtsiT200, dataSigChanEtsiT23, and dataSigChanEtsiN200 values on a data signaling channel, since an overly aggressive T200 timer or N200 retry count can cause excessive frame retransmissions. Polling dataSigChanEtsiRowStatusTable would confirm whether the signaling channel row is active; a channel stuck in a non-active state would explain a failure to establish ISDN signaling on that interface.

What Can Be Monitored

ISDN signaling channel row status
Layer 2 timer T200/T23
Layer 2 retry count N200
data signaling channel provisioning

Imported Objects

From Nortel-Magellan-Passport-DataIsdnMIB

dataSigChan	OBJECT-IDENTITY
dataSigChanIndex	OBJECT-TYPE

From Nortel-Magellan-Passport-StandardTextualConventionsMIB

DisplayString
RowStatus
StorageType
Unsigned32

From Nortel-Magellan-Passport-TextualConventionsMIB

Link
NonReplicated

From Nortel-Magellan-Passport-UsefulDefinitionsMIB

passportMIBs

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
dataSigChanEtsi	1.3.6.1.4.1.562.2.4.1.120.10
dataSigChanEtsiRowStatusTable	1.3.6.1.4.1.562.2.4.1.120.10.1		not-accessible	This entry controls the addition and deletion of dataSigChanEtsi components.
dataSigChanEtsiRowStatusEntry	1.3.6.1.4.1.562.2.4.1.120.10.1.1		not-accessible	A single entry in the table represents a single dataSigChanEtsi component.
ROW dataSigChanEtsiRowStatus	1.3.6.1.4.1.562.2.4.1.120.10.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of dataSigChanEtsi components. These components can be added and deleted.
STR dataSigChanEtsiComponentName	1.3.6.1.4.1.562.2.4.1.120.10.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO dataSigChanEtsiStorageType	1.3.6.1.4.1.562.2.4.1.120.10.1.1.4	StorageType	read-only	This variable represents the storage type value for the dataSigChanEtsi tables.
NON dataSigChanEtsiIndex	1.3.6.1.4.1.562.2.4.1.120.10.1.1.10	NonReplicated	not-accessible	This variable represents the index for the dataSigChanEtsi tables.
dataSigChanEtsiFramer	1.3.6.1.4.1.562.2.4.1.120.10.2
dataSigChanEtsiFramerRowStatusTable	1.3.6.1.4.1.562.2.4.1.120.10.2.1		not-accessible	This entry controls the addition and deletion of dataSigChanEtsiFramer components.
dataSigChanEtsiFramerRowStatusEntry	1.3.6.1.4.1.562.2.4.1.120.10.2.1.1		not-accessible	A single entry in the table represents a single dataSigChanEtsiFramer component.
ROW dataSigChanEtsiFramerRowStatus	1.3.6.1.4.1.562.2.4.1.120.10.2.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of dataSigChanEtsiFramer components. These components cannot be added nor deleted.
STR dataSigChanEtsiFramerComponentName	1.3.6.1.4.1.562.2.4.1.120.10.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO dataSigChanEtsiFramerStorageType	1.3.6.1.4.1.562.2.4.1.120.10.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the dataSigChanEtsiFramer tables.
NON dataSigChanEtsiFramerIndex	1.3.6.1.4.1.562.2.4.1.120.10.2.1.1.10	NonReplicated	not-accessible	This variable represents the index for the dataSigChanEtsiFramer tables.
dataSigChanEtsiFramerProvTable	1.3.6.1.4.1.562.2.4.1.120.10.2.10		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.
dataSigChanEtsiFramerProvEntry	1.3.6.1.4.1.562.2.4.1.120.10.2.10.1		not-accessible	An entry in the dataSigChanEtsiFramerProvTable.
LIN dataSigChanEtsiFramerInterfaceName	1.3.6.1.4.1.562.2.4.1.120.10.2.10.1.1	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.
dataSigChanEtsiFramerStateTable	1.3.6.1.4.1.562.2.4.1.120.10.2.12		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.
dataSigChanEtsiFramerStateEntry	1.3.6.1.4.1.562.2.4.1.120.10.2.12.1		not-accessible	An entry in the dataSigChanEtsiFramerStateTable.
INT dataSigChanEtsiFramerAdminState	1.3.6.1.4.1.562.2.4.1.120.10.2.12.1.1	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 dataSigChanEtsiFramerOperationalState	1.3.6.1.4.1.562.2.4.1.120.10.2.12.1.2	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 dataSigChanEtsiFramerUsageState	1.3.6.1.4.1.562.2.4.1.120.10.2.12.1.3	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.
dataSigChanEtsiFramerStatsTable	1.3.6.1.4.1.562.2.4.1.120.10.2.13		not-accessible	This group contains the operational statistics data for a Framer component.
dataSigChanEtsiFramerStatsEntry	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1		not-accessible	An entry in the dataSigChanEtsiFramerStatsTable.
U32 dataSigChanEtsiFramerFrmToIf	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.1	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 dataSigChanEtsiFramerFrmFromIf	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.2	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 dataSigChanEtsiFramerOctetFromIf	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.3	Unsigned32	read-only	The number of bytes received from the link interface by Framer.
U32 dataSigChanEtsiFramerAborts	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.4	Unsigned32	read-only	This attribute counts the total number of aborts received. This count wraps to zero after reaching its maximum value.
U32 dataSigChanEtsiFramerCrcErrors	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.5	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 dataSigChanEtsiFramerLrcErrors	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.6	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 dataSigChanEtsiFramerNonOctetErrors	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.7	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 dataSigChanEtsiFramerOverruns	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.8	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 dataSigChanEtsiFramerUnderruns	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.9	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 dataSigChanEtsiFramerLargeFrmErrors	1.3.6.1.4.1.562.2.4.1.120.10.2.13.1.10	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.
dataSigChanEtsiL2Table	1.3.6.1.4.1.562.2.4.1.120.10.11		not-accessible	This group represents the provisionable Layer 2 attributes of the Q931 CCITT protocol.
dataSigChanEtsiL2Entry	1.3.6.1.4.1.562.2.4.1.120.10.11.1		not-accessible	An entry in the dataSigChanEtsiL2Table.
U32 dataSigChanEtsiT23	1.3.6.1.4.1.562.2.4.1.120.10.11.1.1	Unsigned32	read-write	This attribute specifies the layer2 enable request timer.
U32 dataSigChanEtsiT200	1.3.6.1.4.1.562.2.4.1.120.10.11.1.2	Unsigned32	read-write	This attribute specifies the maximum time between a layer 2 frame and its acknowledgement
U32 dataSigChanEtsiN200	1.3.6.1.4.1.562.2.4.1.120.10.11.1.3	Unsigned32	read-write	This attribute specifies the maximum number of re-transmissions of a layer2 frame.
U32 dataSigChanEtsiT203	1.3.6.1.4.1.562.2.4.1.120.10.11.1.4	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 dataSigChanEtsiN201	1.3.6.1.4.1.562.2.4.1.120.10.11.1.5	Unsigned32	read-write	This attribute specifies the maximum number of octets in an information field.
U32 dataSigChanEtsiCircuitSwitchedK	1.3.6.1.4.1.562.2.4.1.120.10.11.1.6	Unsigned32	read-write	This attribute specifies the maximum number of frames for B channel use.
dataSigChanEtsiProvTable	1.3.6.1.4.1.562.2.4.1.120.10.13		not-accessible	This group defines the general options of the d-channel signalling link.
dataSigChanEtsiProvEntry	1.3.6.1.4.1.562.2.4.1.120.10.13.1		not-accessible	An entry in the dataSigChanEtsiProvTable.
INT dataSigChanEtsiSide	1.3.6.1.4.1.562.2.4.1.120.10.13.1.1	INTEGER	read-write	This attribute specifies whether the layer 2 HDLC interface is the network or user side of the connection.
dataSigChanEtsiOperTable	1.3.6.1.4.1.562.2.4.1.120.10.15		not-accessible	This group provides the operational attributes for the signalling protocol.
dataSigChanEtsiOperEntry	1.3.6.1.4.1.562.2.4.1.120.10.15.1		not-accessible	An entry in the dataSigChanEtsiOperTable.
U32 dataSigChanEtsiActiveChannels	1.3.6.1.4.1.562.2.4.1.120.10.15.1.1	Unsigned32	read-only	This attribute indicates the number of currently active channels. This includes data and voice channels.
U32 dataSigChanEtsiPeakActiveChannels	1.3.6.1.4.1.562.2.4.1.120.10.15.1.4	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 dataSigChanEtsiDChanStatus	1.3.6.1.4.1.562.2.4.1.120.10.15.1.7	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.
dataSigChanEtsiToolsTable	1.3.6.1.4.1.562.2.4.1.120.10.16		not-accessible	This group contains a series of operational attributes which turn on and off several kinds of tracing.
dataSigChanEtsiToolsEntry	1.3.6.1.4.1.562.2.4.1.120.10.16.1		not-accessible	An entry in the dataSigChanEtsiToolsTable.
OCT dataSigChanEtsiTracing	1.3.6.1.4.1.562.2.4.1.120.10.16.1.1	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)
disdnETSIMIB	1.3.6.1.4.1.562.2.4.2.117
disdnETSIGroup	1.3.6.1.4.1.562.2.4.2.117.1
disdnETSIGroupBE	1.3.6.1.4.1.562.2.4.2.117.1.5
disdnETSIGroupBE00	1.3.6.1.4.1.562.2.4.2.117.1.5.1
disdnETSIGroupBE00A	1.3.6.1.4.1.562.2.4.2.117.1.5.1.2
disdnETSICapabilities	1.3.6.1.4.1.562.2.4.2.117.3
disdnETSICapabilitiesBE	1.3.6.1.4.1.562.2.4.2.117.3.5
disdnETSICapabilitiesBE00	1.3.6.1.4.1.562.2.4.2.117.3.5.1
disdnETSICapabilitiesBE00A	1.3.6.1.4.1.562.2.4.2.117.3.5.1.2

RFC description

Nortel vendor-private MIB for Magellan Passport platform; manages ISDN/DNIS/ETSI interface and call control objects.

Start monitoring Nortel Magellan Passport ISDN switch (ETSI DSS1 signaling) 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 Nortel-Magellan-Passport-DisdnETSIMIB

What Is Nortel-Magellan-Passport-DisdnETSIMIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description