VPLS-LDP-DRAFT-01-MIB

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Organization: Layer 2 Virtual Private Networks (L2VPN) Working Group

Last Updated: 2006-08-30

Category: VPLS and L2VPN

Description: Defines objects for managing VPLS instances that use LDP as the signaling protocol for pseudowire setup and teardown.

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What Is VPLS-LDP-DRAFT-01-MIB?

VPLS-LDP-DRAFT-01-MIB is a vendor-neutral IETF draft standard MIB (based on IETF work referencing RFC 4762) for managing Virtual Private LAN Service (VPLS) instances that use LDP (Label Distribution Protocol) as the signaling mechanism for setting up and tearing down pseudowires between provider-edge routers. It defines configuration and status objects for VPLS service instances and their underlying LDP-signaled pseudowire connections, layered over any underlying pseudowire-capable transport network. General data categories would include VPLS instance configuration, per-pseudowire signaling status, and the state of LDP sessions used for pseudowire setup. In a monitoring context this MIB is used to track the operational status of VPLS pseudowires and detect signaling failures or teardown events rather than physical hardware health. It explicitly depends on the IETF Pseudowire (PW) MIB framework and LDP MIB, and serves as a VPLS-LDP-DRAFT-01-MIB reference for service providers running MPLS-based VPLS Ethernet multipoint services on PE routers.

IPNetwork Monitor allows you to monitor SNMP objects defined in VPLS-LDP-DRAFT-01-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

vendor-neutral, standards-based MIB, not tied to a specific manufacturer
MPLS provider-edge (PE) router supporting VPLS/LDP pseudowires

Monitoring Examples

No sample objects were provided for this module, and it appears to be a configuration/signaling-status MIB layered on IETF pseudowire/LDP standards rather than a hardware-telemetry MIB. Based on its stated purpose, a realistic scenario would have an operator checking VPLS instance and pseudowire status tables to confirm an LDP-signaled pseudowire between two PE routers remains up, watching for a signaling-state change indicating a failed setup or unexpected teardown. Because no concrete object/table names were supplied for this MIB, specific OIDs cannot be cited here without risking invention.

What Can Be Monitored

VPLS instance operational status
pseudowire signaling state (up/down)
LDP session status for pseudowire setup

Imported Objects

From JUNIPER-SMI

jnxExperiment

OBJECT-IDENTITY

From SNMPv2-CONF

NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32
transmission

From SNMPv2-TC

RowStatus
StorageType
TEXTUAL-CONVENTION
TruthValue

From VPLS-GENERIC-DRAFT-01-MIB

jnxVplsConfigIndex	OBJECT-TYPE
jnxVplsPwBindIndex	OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
jnxVplsLdpDraft01MIB	1.3.6.1.4.1.2636.5.9			Copyright (C) The IETF Trust (2010). The initial version of this MIB module was published in RFC XXXX. -- RFC Editor: Please replace XXXX with RFC number & remove -- this note. For full legal notices see the RFC itself or see: http://www.ietf.org/copyrights/ianamib.html This MIB module contains managed object definitions for LDP signalled Virtual Private LAN Services as in [RFC4762] This MIB module enables the use of any underlying PseudoWire network.
jnxVplsLdpNotifications	1.3.6.1.4.1.2636.5.9.0
NTF jnxVplsLdpPwBindMacTableFull	1.3.6.1.4.1.2636.5.9.0.1			The jnxVplsLdpPwBindMacTableFull notification is generated when the number of learned MAC-Addresses increases to the value specified in jnxVplsLdpPwBindMacAddressLimit.
jnxVplsLdpObjects	1.3.6.1.4.1.2636.5.9.1
jnxVplsLdpConfigTable	1.3.6.1.4.1.2636.5.9.1.1		not-accessible	This table specifies information for configuring and monitoring LDP specific parameters for Virtual Private Lan Services(VPLS).
jnxVplsLdpConfigEntry	1.3.6.1.4.1.2636.5.9.1.1.1		not-accessible	A row in this table represents LDP specific information for Virtual Private Lan Service(VPLS) in a packet network. It is indexed by jnxVplsConfigIndex, which uniquely identifies a single VPLS. A row is automatically created when a VPLS service is configured using LDP signalling. None of the read-create objects values can be changed when jnxVplsRowStatus is in the active(1) state. Changes are allowed when the jnxVplsRowStatus is in notInService(2) or notReady(3) states only. If the operator need to change one of the values for an active row the jnxVplsConfigRowStatus should be first changed to notInService(2), the objects may be changed now, and later to active(1) in order to re-initiate the signaling process with the new values in effect.
T/F jnxVplsLdpConfigMacAddrWithdraw	1.3.6.1.4.1.2636.5.9.1.1.1.1	TruthValue	read-only	This object specifies if MAC address withdrawal is enabled in this service. If this object is true then Mac address withdrawl Learning is enabled. If false, then Mac Learning is disabled.
jnxVplsLdpPwBindTable	1.3.6.1.4.1.2636.5.9.1.2		not-accessible	This table provides LDP specific information for an association between a VPLS service and the corresponding Pseudo Wires. A service can have more than one Pseudo Wire association. Pseudo Wires are defined in the pwTable.
jnxVplsLdpPwBindEntry	1.3.6.1.4.1.2636.5.9.1.2.1		not-accessible	Each row represents an association between a VPLS instance and one or more Pseudo Wires defined in the pwTable. Each index is unique in describing an entry in this table. However both indexes are required to define the one to many association of service to pseudowire. An entry in this table in instantiated only when LDP signalling is used to configure VPLS service. Each entry in this table provides LDP specific information for the VPlS represented by jnxVplsConfigIndex.
U32 jnxVplsLdpPwBindMacAddressLimit	1.3.6.1.4.1.2636.5.9.1.2.1.1	Unsigned32	read-only	The value of this object specifies the maximum number of learned and static entries allowed in the Forwarding database for this PW Binding. The value 0 means there is no limit for this PW Binding.
jnxVplsLdpConformance	1.3.6.1.4.1.2636.5.9.2

RFC description

Manages LDP-signaled Virtual Private LAN Services (VPLS) configuration on Juniper devices.

Start monitoring vendor-neutral, standards-based MIB, MPLS provider-edge (PE) router supporting VPLS/LDP pseudowires (LDP-signaled pseudowire 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 VPLS-LDP-DRAFT-01-MIB

What Is VPLS-LDP-DRAFT-01-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description