Microsoft-Windows-LinkLayerDiscoveryProtocol

25 events across 2 channels

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

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The Link Layer Discovery Protocol driver (LLDP) is starting.

Message #

The Link Layer Discovery Protocol driver (LLDP) is starting

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The Link Layer Discovery Protocol driver (LLDP) is stopping.

Message #

The Link Layer Discovery Protocol driver (LLDP) is stopping

Event ID 10010: The interface IfIndex is enabled.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The interface IfIndex is enabled.

Message #

The interface %1 is enabled

Fields #

NameDescription
IfIndex UInt32

Event ID 10011: The interface IfIndex is disabled.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The interface IfIndex is disabled.

Message #

The interface %1 is disabled

Fields #

NameDescription
IfIndex UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

The local MIB on interface IfIndex has been updated.

Message #

The local MIB on interface %1 has been updated

Fields #

NameDescription
IfIndex UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

An update to the local MIB on interface IfIndex was rejected.

Message #

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

Fields #

NameDescription
IfIndex UInt32
RejectReason UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

The parameter AdminParameter on interface IfIndex has been changed.

Message #

The parameter %2 on interface %1 has been changed

Fields #

NameDescription
IfIndex UInt32
AdminParameter UInt32
OldValue UInt32
NewValue UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

An LLDP frame was transmitted on interface IfIndex.

Message #

An LLDP frame was transmitted on interface %1

Fields #

NameDescription
IfIndex UInt32
PacketPayloadLength UInt32
PacketPayload Binary

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

An LLDP frame was received on interface IfIndex.

Message #

An LLDP frame was received on interface %1

Fields #

NameDescription
IfIndex UInt32
SequenceNumber UInt32
PacketPayloadLength UInt32
PacketPayload Binary

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

An LLDP frame received on interface IfIndex was rejected.

Message #

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

Fields #

NameDescription
IfIndex UInt32
SequenceNumber UInt32
PacketDiscardReason UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

An LLDP frame was successfully validated on interface IfIndex.

Message #

An LLDP frame was successfully validated on interface %1

Fields #

NameDescription
IfIndex UInt32
SequenceNumber UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

A new neighbor was discovered on interface Neighbor_ID.

Message #

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

Fields #

NameDescription
IfIndex UInt32
MsapIdLength UInt32
MsapId Binary

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

The neighbor on interface Neighbor_ID has updated its MIB.

Message #

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

Fields #

NameDescription
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.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

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

Message #

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

Fields #

NameDescription
IfIndex UInt32
MsapIdLength UInt32
MsapId Binary

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The neighbor on interface Neighbor_ID was removed because a shutdown message was received.

Message #

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

Fields #

NameDescription
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.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
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 #

NameDescription
IfIndex UInt32

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Operational

Description

The "tooManyNeighbors" state has been cleared.

Message #

The "tooManyNeighbors" state has been cleared

Fields #

NameDescription
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.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
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 #

NameDescription
IfIndex UInt32
ExistingMsapIdLength UInt32
ExistingMsapId Binary
ReceivedMsapIdLength UInt32
ReceivedMsapId Binary

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

Error: {ErrorCode} Location: {Location} Context: {Context}.

Message #

Error: {ErrorCode} Location: {Location} Context: {Context}

Fields #

NameDescription
ErrorCode
Location
Context

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

Warning: {WarningCode} Location: {Location} Context: {Context}.

Message #

Warning: {WarningCode} Location: {Location} Context: {Context}

Fields #

NameDescription
WarningCode
Location
Context

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

Transitioned to State: {NextState} Context: {Context}.

Message #

Transitioned to State: {NextState} Context: {Context}

Fields #

NameDescription
NextState
Context

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

Updated Context: {Context} Update Reason: {UpdateReasonCode}.

Message #

Updated Context: {Context} Update Reason: {UpdateReasonCode}

Fields #

NameDescription
Context
UpdateReasonCode

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

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
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 #

NameDescription
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...

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
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 #

NameDescription
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}.

#
Provider
Microsoft-Windows-LinkLayerDiscoveryProtocol
Channel
Diagnostic

Description

Interface Guid: {IfGuid} IfIndex: {IfIndex} Interface Luid: {IfLuid} ReferenceContext: {ReferenceContext}.

Message #

Interface Guid: {IfGuid} IfIndex: {IfIndex} Interface Luid: {IfLuid} ReferenceContext: {ReferenceContext}

Fields #

NameDescription
IfGuid
IfIndex
IfLuid
ReferenceContext

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

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

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

Observed on:

  • WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02
  • Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02

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