Nortel-MsCarrier-MscPassport-ShortcutConnectionMIB

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Category: Nortel MsCarrier MscPassport

Description: Provides SNMP objects for MPOA/NHRP shortcut connection management on Nortel MsCarrier MscPassport ATM switches.

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What Is Nortel-MsCarrier-MscPassport-ShortcutConnectionMIB?

This Nortel MscPassport MIB module manages MPOA (Multi-Protocol over ATM) and NHRP shortcut connections on Passport ATM switches, which allow traffic between subnets to bypass intermediate routers via direct ATM virtual circuits. It exposes operational and provisioning tables giving the remote NBMA address, connection age, and MTU of each shortcut, plus the standard row-status/component tables for configuration state. The MIB is used to monitor the software/session status of shortcut connections -- confirming a shortcut is established, tracking its age since creation, and validating negotiated MTU -- rather than physical hardware health. It builds on ATM Forum MPOA and IETF NHRP concepts layered on the vendor's Passport component/row-status framework. Typical deployment is on legacy Nortel/Alcatel Passport ATM switches providing MPOA edge/server functions in carrier ATM backbones. Engineers can download the Nortel-MsCarrier-MscPassport-ShortcutConnectionMIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Nortel-MsCarrier-MscPassport-ShortcutConnectionMIB. 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/Alcatel-Lucent Passport ATM switch
MscPassport carrier switching platform

Monitoring Examples

An administrator can poll mscVrPpScOperTable to read mscVrPpScRemoteNbmaAddress, mscVrPpScAge, and mscVrPpScMtu for a shortcut identified by mscVrPpScIndex to confirm the direct ATM path to a remote NBMA peer is up and using the expected MTU. A shortcut whose mscVrPpScAge resets frequently suggests the connection is repeatedly torn down and re-established, indicating an unstable shortcut. Checking mscVrPpScRowStatus alongside these operational values distinguishes a provisioning failure from a live but flapping shortcut.

What Can Be Monitored

shortcut connection row status
remote NBMA address
shortcut connection age
negotiated MTU

Imported Objects

From Nortel-MsCarrier-MscPassport-StandardTextualConventionsMIB

Counter32
DisplayString
Integer32
RowPointer
RowStatus
StorageType
Unsigned32

From Nortel-MsCarrier-MscPassport-TextualConventionsMIB

HexString
NonReplicated

From Nortel-MsCarrier-MscPassport-UsefulDefinitionsMIB

mscPassportMIBs

OBJECT-IDENTITY

From Nortel-MsCarrier-MscPassport-VirtualRouterMIB

mscVrIndex	OBJECT-TYPE
mscVrPp	OBJECT-IDENTITY
mscVrPpIndex	OBJECT-TYPE

From RFC-1212

OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
mscVrPpSc	1.3.6.1.4.1.562.36.2.1.100.3.16
mscVrPpScRowStatusTable	1.3.6.1.4.1.562.36.2.1.100.3.16.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscVrPpSc components.
mscVrPpScRowStatusEntry	1.3.6.1.4.1.562.36.2.1.100.3.16.1.1		not-accessible	A single entry in the table represents a single mscVrPpSc component.
ROW mscVrPpScRowStatus	1.3.6.1.4.1.562.36.2.1.100.3.16.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscVrPpSc components. These components cannot be added nor deleted.
STR mscVrPpScComponentName	1.3.6.1.4.1.562.36.2.1.100.3.16.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO mscVrPpScStorageType	1.3.6.1.4.1.562.36.2.1.100.3.16.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscVrPpSc tables.
I32 mscVrPpScIndex	1.3.6.1.4.1.562.36.2.1.100.3.16.1.1.10	Integer32	not-accessible	This variable represents the index for the mscVrPpSc tables.
mscVrPpScAtmCon	1.3.6.1.4.1.562.36.2.1.100.3.16.4
mscVrPpScAtmConRowStatusTable	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscVrPpScAtmCon components.
mscVrPpScAtmConRowStatusEntry	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1.1		not-accessible	A single entry in the table represents a single mscVrPpScAtmCon component.
ROW mscVrPpScAtmConRowStatus	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscVrPpScAtmCon components. These components cannot be added nor deleted.
STR mscVrPpScAtmConComponentName	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STO mscVrPpScAtmConStorageType	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscVrPpScAtmCon tables.
NON mscVrPpScAtmConIndex	1.3.6.1.4.1.562.36.2.1.100.3.16.4.1.1.10	NonReplicated	not-accessible	This variable represents the index for the mscVrPpScAtmCon tables.
mscVrPpScAtmConOperTable	1.3.6.1.4.1.562.36.2.1.100.3.16.4.10		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This attribute group contains the operational attributes for the NapAtmConnection component.
mscVrPpScAtmConOperEntry	1.3.6.1.4.1.562.36.2.1.100.3.16.4.10.1		not-accessible	An entry in the mscVrPpScAtmConOperTable.
NUM mscVrPpScAtmConNextHop	1.3.6.1.4.1.562.36.2.1.100.3.16.4.10.1.1	RowPointer	read-only	This attribute shows the component name of the AtmIf Vcc Ep or AtmCon component to which this switched connection is established.
mscVrPpScOperTable	1.3.6.1.4.1.562.36.2.1.100.3.16.10		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This group contains the operational status attributes of the ShortcutConnection component.
mscVrPpScOperEntry	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1		not-accessible	An entry in the mscVrPpScOperTable.
STR mscVrPpScRemoteNbmaAddress	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1.1	HexString	read-only	This attribute indicates the NBMA address of the far (remote) end.
U32 mscVrPpScAge	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1.2	Unsigned32	read-only	This attribute indicates how long the connection has been up.
U32 mscVrPpScMtu	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1.3	Unsigned32	read-only	This attribute indicates the Layer 2 MTU (that is, CPCS-SDU for ATM) of this connection.
INT mscVrPpScConnSource	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1.4	INTEGER	read-only	This attributes indicates which end originated the connect request for this connection.
INT mscVrPpScType	1.3.6.1.4.1.562.36.2.1.100.3.16.10.1.5	INTEGER	read-only	This attributes indicates the type of this connection.
mscVrPpScStatsTable	1.3.6.1.4.1.562.36.2.1.100.3.16.11		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This group contains the statistical attributes of the ShortcutConnection component.
mscVrPpScStatsEntry	1.3.6.1.4.1.562.36.2.1.100.3.16.11.1		not-accessible	An entry in the mscVrPpScStatsTable.
C32 mscVrPpScTxFrames	1.3.6.1.4.1.562.36.2.1.100.3.16.11.1.1	Counter32	read-only	This attribute counts the frames transmitted over this connection. This counter wraps to zero when the maximum value is exceeded.
C32 mscVrPpScRxFrames	1.3.6.1.4.1.562.36.2.1.100.3.16.11.1.2	Counter32	read-only	This attributes counts the frames received over this connection. This counter wraps to zero when the maximum value is exceeded.
shortcutConnectionMIB	1.3.6.1.4.1.562.36.2.2.78
shortcutConnectionGroup	1.3.6.1.4.1.562.36.2.2.78.1
shortcutConnectionGroupCA	1.3.6.1.4.1.562.36.2.2.78.1.1
shortcutConnectionGroupCA02	1.3.6.1.4.1.562.36.2.2.78.1.1.3
shortcutConnectionGroupCA02A	1.3.6.1.4.1.562.36.2.2.78.1.1.3.2
shortcutConnectionCapabilities	1.3.6.1.4.1.562.36.2.2.78.3
shortcutConnectionCapabilitiesCA	1.3.6.1.4.1.562.36.2.2.78.3.1
shortcutConnectionCapabilitiesCA02	1.3.6.1.4.1.562.36.2.2.78.3.1.3
shortcutConnectionCapabilitiesCA02A	1.3.6.1.4.1.562.36.2.2.78.3.1.3.2

RFC description

Nortel MsCarrier MSC Passport shortcut connection MIB for MPLS/ATM virtual route management on carrier-class switches.

Start monitoring Nortel/Alcatel-Lucent Passport ATM switch (MPOA/NHRP shortcut connections) 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-MsCarrier-MscPassport-ShortcutConnectionMIB

What Is Nortel-MsCarrier-MscPassport-ShortcutConnectionMIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description