MPLS-LC-ATM-STD-MIB

All MIBs › MPLS-LC-ATM-STD-MIB

Organization: Multiprotocol Label Switching (MPLS) Working Group

Last Updated: 2006-01-12

Category: ATM, MPLS and Traffic Engineering, Network Interfaces

Description: Defines managed objects for MPLS label-controlled ATM interfaces, describing how label-switching-controlled ATM interfaces are managed.

IPNetwork Monitor uses several OIDs from this MIB in network discovery and polling the applicable devices. Start monitoring MPLS-LC-ATM-STD-MIB with a free 30-day trial of IPNetwork Monitor.

What Is MPLS-LC-ATM-STD-MIB?

MPLS-LC-ATM-STD-MIB is the IETF MPLS Working Group's standard MIB module (RFC 4368) defining managed objects for MPLS Label-Controlled ATM interfaces. Its interface configuration table records control and unlabeled-traffic VPI/VCI values, whether VC merge is enabled, whether the ATM VC is directly connected, and the LC-ATM VPI in use, alongside a row-status control. As a configuration/protocol-status MIB it lets an administrator confirm an LC-ATM interface's control-channel VPI/VCI and merge setting when diagnosing an MPLS-over-ATM label-switching problem. It is deployed on MPLS routers using ATM as the underlying label-switched-path transport. Engineers implementing or auditing this functionality typically reference the MPLS-LC-ATM-STD-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in MPLS-LC-ATM-STD-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

MPLS routers using ATM as the underlying LSP transport

Monitoring Examples

An administrator checks mplsLcAtmStdCtrlVpi and mplsLcAtmStdVcMerge for an LC-ATM interface to confirm the control-channel addressing and VC-merge setting match the network's MPLS-over-ATM design.

What Can Be Monitored

LC-ATM interface control/traffic VPI-VCI and VC-merge configuration

Imported Objects

From ATM-TC-MIB

AtmVpIdentifier

From MPLS-LSR-STD-MIB

mplsInterfaceIndex

OBJECT-TYPE

From MPLS-TC-STD-MIB

MplsAtmVcIdentifier
mplsStdMIB	OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus
StorageType
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
mplsLcAtmStdMIB	1.3.6.1.2.1.10.166.9			This MIB module contains managed object definitions for MPLS Label-Controlled ATM interfaces as defined in [RFC3035]. Copyright (C) The Internet Society (2006). This version of this MIB module is part of RFC 4368; see the RFC itself for full legal notices.
mplsLcAtmStdNotifications	1.3.6.1.2.1.10.166.9.0
mplsLcAtmStdObjects	1.3.6.1.2.1.10.166.9.1
mplsLcAtmStdInterfaceConfTable	1.3.6.1.2.1.10.166.9.1.1		not-accessible	This table specifies per-interface MPLS LC-ATM capability and associated information. In particular, this table sparsely extends the MPLS-LSR-STD-MIB's mplsInterfaceConfTable.
mplsLcAtmStdInterfaceConfEntry	1.3.6.1.2.1.10.166.9.1.1.1		not-accessible	An entry in this table is created by an LSR for every interface capable of supporting MPLS LC-ATM. Each entry in this table will exist only if a corresponding entry in ifTable and mplsInterfaceConfTable exists. If the associated entries in ifTable and mplsInterfaceConfTable are deleted, the corresponding entry in this table must also be deleted shortly thereafter.
OID mplsLcAtmStdCtrlVpi	1.3.6.1.2.1.10.166.9.1.1.1.1	AtmVpIdentifier	read-create	This is the VPI value over which this LSR is willing to accept control traffic on this interface.
OID mplsLcAtmStdCtrlVci	1.3.6.1.2.1.10.166.9.1.1.1.2	MplsAtmVcIdentifier	read-create	This is the VCI value over which this LSR is willing to accept control traffic on this interface.
OID mplsLcAtmStdUnlabTrafVpi	1.3.6.1.2.1.10.166.9.1.1.1.3	AtmVpIdentifier	read-create	This is the VPI value over which this LSR is willing to accept unlabeled traffic on this interface.
OID mplsLcAtmStdUnlabTrafVci	1.3.6.1.2.1.10.166.9.1.1.1.4	MplsAtmVcIdentifier	read-create	This is the VCI value over which this LSR is willing to accept unlabeled traffic on this interface.
T/F mplsLcAtmStdVcMerge	1.3.6.1.2.1.10.166.9.1.1.1.5	TruthValue	read-create	If set to true(1), indicates that this interface is capable of ATM VC merge; otherwise, it MUST be set to false(2).
T/F mplsLcAtmVcDirectlyConnected	1.3.6.1.2.1.10.166.9.1.1.1.6	TruthValue	read-create	This value indicates whether an LC-ATM is directly or indirectly (by means of a VP) connected. If set to true(1), indicates that this interface is directly connected LC-ATM; otherwise, it MUST be set to false(2). Note that although it can be intimated from RFC 3057 that multiple VPs may be used, in practice only a single one is used, and therefore the authors of this MIB module have chosen to model it as such.
OID mplsLcAtmLcAtmVPI	1.3.6.1.2.1.10.166.9.1.1.1.7	AtmVpIdentifier	read-create	This is the VPI value used for indirectly connected LC-ATM interfaces. For these interfaces, the VPI field is not available to MPLS, and the label MUST be encoded entirely within the VCI field (see [RFC3035]). If the interface is directly connected, this value MUST be set to zero.
ROW mplsLcAtmStdIfConfRowStatus	1.3.6.1.2.1.10.166.9.1.1.1.8	RowStatus	read-create	This object is used to create and delete entries in this table. When configuring entries in this table, the corresponding ifEntry and mplsInterfaceConfEntry MUST exist beforehand. If a manager attempts to create an entry for a corresponding mplsInterfaceConfEntry that does not support LC-ATM, the agent MUST return an inconsistentValue error. If this table is implemented read-only, then the agent must set this object to active(1) when this row is made active. If this table is implemented writable, then an agent MUST not allow modification to its objects once this value is set to active(1), except to mplsLcAtmStdIfConfRowStatus and mplsLcAtmStdIfConfStorageType.
STO mplsLcAtmStdIfConfStorageType	1.3.6.1.2.1.10.166.9.1.1.1.9	StorageType	read-create	The storage type for this conceptual row. Conceptual rows having the value 'permanent(4)' need not allow write-access to any columnar objects in the row.
mplsLcAtmStdConformance	1.3.6.1.2.1.10.166.9.2
mplsLcAtmStdCompliances	1.3.6.1.2.1.10.166.9.2.1
mplsLcAtmStdModuleFullCompliance	1.3.6.1.2.1.10.166.9.2.1.1			Compliance statement for agents that provide full support for MPLS-LC-ATM-STD-MIB. Such devices can be monitored and also be configured using this MIB module.
mplsLcAtmStdModuleReadOnlyCompliance	1.3.6.1.2.1.10.166.9.2.1.2			Compliance requirement for implementations that only provide read-only support for MPLS-LC-ATM-STD-MIB. Such devices can be monitored but cannot be configured using this MIB module.
mplsLcAtmStdGroups	1.3.6.1.2.1.10.166.9.2.2
mplsLcAtmStdIfGroup	1.3.6.1.2.1.10.166.9.2.2.1			Collection of objects needed for MPLS LC-ATM interface configuration.

RFC description

Manages MPLS Label-Controlled ATM interfaces as defined in RFC 3035 and RFC 4368.

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Download MPLS-LC-ATM-STD-MIB

What Is MPLS-LC-ATM-STD-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description