Pacote #496776 Successo

NEIGHBORINFO_APP packet from Meshtastic 0c50-8 (0c50) to !00000001

1
Total Recepções
1
Gateways Únicos
0
Contagem de Hops
28
Conteúdo Bytes
Informação de Pacotes
Database ID: 496776
Mesh Packet ID: 0x4d92854c
Utilizado para correlação entre gateways
Tempo: 2025-10-23 02:46:04 UTC
Do Node: Meshtastic 0c50-8 (0c50)
Para o Node: !00000001 (0001)
Successo: Processado
Protocolo: NEIGHBORINFO_APP
Port: 71
Gateway: Meshtastic 0c50-8 (0c50)
Canal: LongFast
RSSI: Unknown
SNR: Unknown
Info Hop: 0/4 hops
Início: 4, Limite: 4
Conteúdo dados
Protocol:o NEIGHBORINFO_APP
Tamanho: 28 bytes
Decoded: Sim
Dados:
Relatório de informação:
Node que reporta: Meshtastic 0c50-8 (0c50)
Enviado pela última vez em: Meshtastic 0c50-8 (0c50)
Intervalo de Broadcast:14400 seconds
Vizinhos Encontrados:1
1

Vizinhos Activos

Detalhes do vizinho
Node vizinho SNR Visto em Intervalo de Broadcast Qualidade do Sinal
Meshtastic ffb0-8 (ffb0) 5.8 dB Unknown Unknown Excelente
Informações sobre o seu vizinho foram relatadas por Meshtastic 0c50-8 (0c50) e mostra com que nodes pode comunicar diretamente e a sua qualidade de sinal.
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!ba620c50
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ba620c50
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3126987856
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1761183964
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 80
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1761183964.4354815
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !ba620c50
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 3126987856, "last_sent_by_id": 3126987856, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3126984624, "snr": 5.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic ffb0-8 (ffb0)" } ], "neighbor_count": 1, "node_name": "Meshtastic 0c50-8 (0c50)", "last_sent_by_name": "Meshtastic 0c50-8 (0c50)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ba620c50", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3126987856, "to": 1, "id": 1301448012, "rx_time": 1761183964, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 80, "tx_after": 0, "decoded": { "portnum": 71, "payload": "08d09888d30b10d09888d30b18c070220b08b0ff87d30b150000b840", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 3126987856, "last_sent_by_id": 3126987856, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 3126984624, "snr": 5.75 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (28 bytes)
08d09888d30b10d09888d30b18c070220b08b0ff87d30b150000b840
Hex Analysis:
Size:28 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Meshtastic 0c50-8 (0c50) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-10-23 02:46:04 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways