IEEE8023-DOT3-LLDP-EXT-V2-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › IEEE8023-DOT3-LLDP-EXT-V2-MIB

Organization: IEEE 802.3 Working Group

Last Updated: 2013-04-11

Category: Protocol: LLDP, Standard: IEEE 802

Description: IEEE 802.3 MIB for LLDP extensions providing IEEE 802.3-specific TLVs including MAC/PHY configuration and EEE information.

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What Is IEEE8023-DOT3-LLDP-EXT-V2-MIB?

IEEE8023-DOT3-LLDP-EXT-V2-MIB is a vendor-neutral IEEE 802.3 standards extension to the Link Layer Discovery Protocol version 2 (LLDPv2) MIB, defining organizationally-specific TLVs for Ethernet physical-layer discovery. It belongs to the networking/Ethernet interface management space, extending core LLDP with 802.3-specific attributes such as auto-negotiation capability, operational MAU type, and Power-via-MDI (PoE) power-class details. It exposes per-port configuration data (which 802.3 TLVs are enabled for transmission), local physical-layer port data, and power-class data useful for verifying link-partner compatibility. Administrators use it primarily to monitor hardware link status - auto-negotiation state, advertised versus operational speed/duplex capability, MAU type, and PoE power class - to detect mismatched or misconfigured Ethernet links. It depends on the base LLDP-MIB/LLDP-V2-MIB framework for indexing and general discovery objects, and is typically deployed on managed Ethernet switches and network interface cards across multi-vendor environments. Engineers implementing or auditing this functionality typically reference the IEEE8023-DOT3-LLDP-EXT-V2-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in IEEE8023-DOT3-LLDP-EXT-V2-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

  • managed Ethernet switch
  • network interface card
  • vendor-neutral, standards-based MIB, not tied to a specific manufacturer

Monitoring Examples

An administrator can poll lldpV2Xdot3LocPortAutoNegSupported and lldpV2Xdot3LocPortAutoNegEnabled alongside lldpV2Xdot3LocPortAutoNegAdvertisedCap in the lldpV2Xdot3LocPortTable to confirm a switch port's auto-negotiation settings match its link partner's, and lldpV2Xdot3LocPortOperMauType to check operational speed/duplex. Cross-referencing lldpV2Xdot3PortConfigTLVsTxEnable in lldpV2Xdot3PortConfigTable shows which 802.3 TLVs are advertised per port. The lldpV2Xdot3LocPowerTable's lldpV2Xdot3LocPowerPortClass reveals PoE power class, letting an admin spot a port drawing an unexpected power class - a sign of a misidentified or faulty powered device.

What Can Be Monitored

  • auto-negotiation support/enabled state
  • advertised auto-negotiation capabilities
  • operational MAU type
  • PoE power class
  • per-port 802.3 TLV transmit configuration
Imported Objects

From IF-MIB

ifGeneralInformationGroupOBJECT-GROUP

From LLDP-V2-MIB

lldpV2LocPortIfIndexOBJECT-TYPE
lldpV2PortConfigEntryOBJECT-TYPE
lldpV2RemIndexOBJECT-TYPE
lldpV2RemLocalDestMACAddressOBJECT-TYPE
lldpV2RemLocalIfIndexOBJECT-TYPE
lldpV2RemTimeMarkOBJECT-TYPE

From LLDP-V2-TC-MIB

LldpV2PowerPortClass

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32
org

From SNMPv2-TC

TruthValue
OIDs

RFC description

IEEE 802.3 LLDP (Link Layer Discovery Protocol) extension for DOT3 MAU types (RFC 8357), defining power classification and management.

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Download IEEE8023-DOT3-LLDP-EXT-V2-MIB