Microsoft-Windows-LinkLayerDiscoveryProtocol

Event	Title	Channel	Sample	Rule
10000	The Link Layer Discovery Protocol driver (LLDP) is starting	Operational	N	N
10001	The Link Layer Discovery Protocol driver (LLDP) is stopping	Operational	N	N
10010	The interface IfIndex is enabled.	Operational	N	N
10011	The interface IfIndex is disabled.	Operational	N	N
10020	The local MIB on interface IfIndex has been updated.	Diagnostic	N	N
10021	An update to the local MIB on interface IfIndex was rejected.	Diagnostic	N	N
10030	The parameter AdminParameter on interface IfIndex has been changed.	Diagnostic	N	N
10040	An LLDP frame was transmitted on interface IfIndex.	Diagnostic	N	N
10041	An LLDP frame was received on interface IfIndex.	Diagnostic	N	N
10042	An LLDP frame received on interface IfIndex was rejected.	Diagnostic	N	N
10043	An LLDP frame was successfully validated on interface IfIndex.	Diagnostic	N	N
10050	A new neighbor was discovered on interface Neighbor_ID.	Operational	N	N
10051	The neighbor on interface Neighbor_ID has updated its MIB.	Diagnostic	N	N
10052	The neighbor on interface Neighbor_ID was removed because no message has been …	Operational	N	N
10053	The neighbor on interface Neighbor_ID was removed because a shutdown message was …	Operational	N	N
10060	The system has detected that there are multiple neighbors sending LLDP packets …	Operational	N	N
10061	The "tooManyNeighbors" state has been cleared	Operational	N	N
10062	A message was received on interface Existing_Neighbor_ID from an unknown …	Diagnostic	N	N
60001	Error: {ErrorCode} Location: {Location} Context: {Context}.	Diagnostic	N	N
60002	Warning: {WarningCode} Location: {Location} Context: {Context}.	Diagnostic	N	N
60003	Transitioned to State: {NextState} Context: {Context}.	Diagnostic	N	N
60004	Updated Context: {Context} Update Reason: {UpdateReasonCode}.	Diagnostic	N	N
60101	SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: …	Diagnostic	N	N
60102	SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: …	Diagnostic	N	N
60103	Interface Guid: {IfGuid} IfIndex: {IfIndex} Interface Luid: {IfLuid} …	Diagnostic	N	N

Event ID 10000: The Link Layer Discovery Protocol driver (LLDP) is starting

Channel: Operational

Event ID 10001: The Link Layer Discovery Protocol driver (LLDP) is stopping

Channel: Operational

Event ID 10010: The interface IfIndex is enabled.

Channel: Operational

Message #

The interface %1 is enabled

Fields #

Name	Description
`IfIndex` UInt32

Event ID 10011: The interface IfIndex is disabled.

Channel: Operational

Message #

The interface %1 is disabled

Fields #

Name	Description
`IfIndex` UInt32

Event ID 10020: The local MIB on interface IfIndex has been updated.

Channel: Diagnostic

Message #

The local MIB on interface %1 has been updated

Fields #

Name	Description
`IfIndex` UInt32

Event ID 10021: An update to the local MIB on interface IfIndex was rejected.

Channel: Diagnostic

Message #

An update to the local MIB on interface %1 was rejected

Fields #

Name	Description
`IfIndex` UInt32
`RejectReason` UInt32

Event ID 10030: The parameter AdminParameter on interface IfIndex has been changed.

Channel: Diagnostic

Message #

The parameter %2 on interface %1 has been changed

Fields #

Name	Description
`IfIndex` UInt32
`AdminParameter` UInt32
`OldValue` UInt32
`NewValue` UInt32

Event ID 10040: An LLDP frame was transmitted on interface IfIndex.

Channel: Diagnostic

Message #

An LLDP frame was transmitted on interface %1

Fields #

Name	Description
`IfIndex` UInt32
`PacketPayloadLength` UInt32
`PacketPayload` Binary

Event ID 10041: An LLDP frame was received on interface IfIndex.

Channel: Diagnostic

Message #

An LLDP frame was received on interface %1

Fields #

Name	Description
`IfIndex` UInt32
`SequenceNumber` UInt32
`PacketPayloadLength` UInt32
`PacketPayload` Binary

Event ID 10042: An LLDP frame received on interface IfIndex was rejected.

Channel: Diagnostic

Message #

An LLDP frame received on interface %1 was rejected.
%2

Fields #

Name	Description
`IfIndex` UInt32
`SequenceNumber` UInt32
`PacketDiscardReason` UInt32

Event ID 10043: An LLDP frame was successfully validated on interface IfIndex.

Channel: Diagnostic

Message #

An LLDP frame was successfully validated on interface %1

Fields #

Name	Description
`IfIndex` UInt32
`SequenceNumber` UInt32

Event ID 10050: A new neighbor was discovered on interface Neighbor_ID.

Channel: Operational

Message #

A new neighbor was discovered on interface %1
Neighbor ID: %3

Fields #

Name	Description
`IfIndex` UInt32
`MsapIdLength` UInt32
`MsapId` Binary

Event ID 10051: The neighbor on interface Neighbor_ID has updated its MIB.

Channel: Diagnostic

Message #

The neighbor on interface %1 has updated its MIB
Neighbor ID: %3

Fields #

Name	Description
`IfIndex` UInt32
`MsapIdLength` UInt32
`MsapId` Binary

Event ID 10052: The neighbor on interface Neighbor_ID was removed because no message has been received within the timeout interval.

Channel: Operational

Message #

The neighbor on interface %1 was removed because no message has been received within the timeout interval
Neighbor ID: %3

Fields #

Name	Description
`IfIndex` UInt32
`MsapIdLength` UInt32
`MsapId` Binary

Event ID 10053: The neighbor on interface Neighbor_ID was removed because a shutdown message was received.

Channel: Operational

Message #

The neighbor on interface %1 was removed because a shutdown message was received
Neighbor ID: %3

Fields #

Name	Description
`IfIndex` UInt32
`MsapIdLength` UInt32
`MsapId` Binary

Event ID 10060: The system has detected that there are multiple neighbors sending LLDP packets to the network interface IfIndex.

Channel: Operational

Description

The system has detected that there are multiple neighbors sending LLDP packets to the network interface IfIndex. A "tooManyNeighbors" state has been declared. This may inhibit some network operations.

Message #

The system has detected that there are multiple neighbors sending LLDP packets to the network interface %1.  A "tooManyNeighbors" state has been declared.  This may inhibit some network operations.

Fields #

Name	Description
`IfIndex` UInt32

Event ID 10061: The "tooManyNeighbors" state has been cleared

Channel: Operational

Fields #

Name	Description
`IfIndex` UInt32

Event ID 10062: A message was received on interface Existing_Neighbor_ID from an unknown neighbor, while the previously-detected neighbor is still active.

Channel: Diagnostic

Description

A message was received on interface Existing_Neighbor_ID from an unknown neighbor, while the previously-detected neighbor is still active. This will prolong the "tooManyNeighbors" state.

Message #

A message was received on interface %1 from an unknown neighbor, while the previously-detected neighbor is still active.  This will prolong the "tooManyNeighbors" state.
Existing Neighbor ID: %3
Recived Neighbor ID: %5

Fields #

Name	Description
`IfIndex` UInt32
`ExistingMsapIdLength` UInt32
`ExistingMsapId` Binary
`ReceivedMsapIdLength` UInt32
`ReceivedMsapId` Binary

Event ID 60001: Error: {ErrorCode} Location: {Location} Context: {Context}.

Channel: Diagnostic

Fields #

Name	Description
`ErrorCode`
`Location`
`Context`

Event ID 60002: Warning: {WarningCode} Location: {Location} Context: {Context}.

Channel: Diagnostic

Fields #

Name	Description
`WarningCode`
`Location`
`Context`

Event ID 60003: Transitioned to State: {NextState} Context: {Context}.

Channel: Diagnostic

Fields #

Name	Description
`NextState`
`Context`

Event ID 60004: Updated Context: {Context} Update Reason: {UpdateReasonCode}.

Channel: Diagnostic

Fields #

Name	Description
`Context`
`UpdateReasonCode`

Event ID 60101: SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Prot...

Channel: Diagnostic

Description

SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Protocol} ReferenceContext: {ReferenceContext}.

Message #

SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Protocol} ReferenceContext: {ReferenceContext}

Fields #

Name	Description
`SourceAddress`
`SourcePort`
`DestinationAddress`
`DestinationPort`
`Protocol`	Known values `0` HOPOPT `1` ICMP `2` IGMP `6` TCP `17` UDP `41` IPv6 `43` IPv6-Route `44` IPv6-Frag `47` GRE `50` ESP `51` AH `58` ICMPv6 `89` OSPF `103` PIM `132` SCTP
`ReferenceContext`

Event ID 60102: SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Prot...

Channel: Diagnostic

Description

SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Protocol} ReferenceContext: {ReferenceContext}.

Message #

SourceAddress: {SourceAddress} SourcePort: {SourcePort} DestinationAddress: {DestinationAddress} DestinationPort: {DestinationPort} Protocol: {Protocol} ReferenceContext: {ReferenceContext}

Fields #

Name	Description
`SourceAddress`
`SourcePort`
`DestinationAddress`
`DestinationPort`
`Protocol`	Known values `0` HOPOPT `1` ICMP `2` IGMP `6` TCP `17` UDP `41` IPv6 `43` IPv6-Route `44` IPv6-Frag `47` GRE `50` ESP `51` AH `58` ICMPv6 `89` OSPF `103` PIM `132` SCTP
`ReferenceContext`

Event ID 60103: Interface Guid: {IfGuid} IfIndex: {IfIndex} Interface Luid: {IfLuid} ReferenceContext: {ReferenceContext}.

Channel: Diagnostic

Fields #

Name	Description
`IfGuid`
`IfIndex`
`IfLuid`
`ReferenceContext`

Provenance

ETW provider GUID dcbfb8f0-cd19-4f1c-a27d-23ac706ded72

Defined in mslldp.sys, the binary that emits these events.

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB