Packet #489548

Database ID:	489548
Mesh Packet ID:	`0xb66c1cf6` Utilizado para correlação entre gateways
Tempo:	2025-10-22 18:03:45 UTC
Do Node:	CS7BIG-8🇵🇹 (BIG1)
Para o Node:	!a0cc2468 (2468)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	CT2HGJ_(BCL)-8 (2HGJ)
Canal:	LongFast
RSSI:	-120 dBm
SNR:	-7.5 dBm
Info Hop:	2/4 hops Início: 4, Limite: 2

Caminho da Rota:	ESPOSENDE-RL-868🇵🇹 (BIG2) → !39aab092
Quantidade de Hops:	1 hops
Estado:	Incomplete - Final destination not reached
SNR para:	5.75 dB -11.75 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	CS7BIG-8🇵🇹 (BIG1)	ESPOSENDE-RL-868🇵🇹 (BIG2)	2.82 km	5.75 dB	Origem	Hops
2	ESPOSENDE-RL-868🇵🇹 (BIG2)	!39aab092	Unknown	-11.75 dB	Reptido	Hops
Traceroute incompleto - Não alcançou o destino final

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:	23 bytes
Gateway:	!6b492812
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	2 / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6b492812` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4186795636` Source node ID	uint32
`to`	`2697733224` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-120.0` dBm Signal strength at gateway	int32
`rx_snr`	`-7.50` dB Signal quality at gateway	float
`rx_time`	`1761152625` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	True Acknowledgment requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`146` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1761152625.5872505` 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)
✓ Acknowledgment requested
✓ Targeted to specific node
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!6b492812`
Signal Metrics:	RSSI: -120.0 dBm SNR: -7.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 1421245238, 967487634 ], "snr_towards": [ 5.75, -11.75 ], "route_back": [], "snr_back": [], "route_node_names": { "2697733224": "!a0cc2468", "967487634": "!39aab092", "4186795636": "CS7BIG-8🇵🇹 (BIG1)", "1421245238": "ESPOSENDE-RL-868🇵🇹 (BIG2)" }, "traceroute_packet": { "packet_data": { "id": 489548, "timestamp": 1761152625.5872505, "from_node_id": 4186795636, "to_node_id": 2697733224, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!6b492812", "channel_id": "LongFast", "mesh_packet_id": 3060538614, "rssi": -120, "snr": -7.5, "hop_limit": 2, "hop_start": 4, "payload_length": 23, "processed_successfully": 1, "raw_payload": "0a08367bb65492b0aa39120b17d1ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1761152625, "pki_encrypted": 0, "next_hop": 0, "relay_node": 146, "tx_after": 0, "timestamp_str": "2025-10-22 18:03:45", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "CS7BIG-8🇵🇹 (BIG1)", "to_node_name": "!a0cc2468", "gateway_name": "CT2HGJ_(BCL)-8 (2HGJ)", "gateway_location": { "node_id": 1799956498, "latitude": 41.598259, "longitude": -8.6210349, "altitude": 153, "timestamp": 1761218716.6005256, "timestamp_str": "2025-10-23 12:25:16", "display_name": "CT2HGJ_(BCL)-8", "long_name": "CT2HGJ_(BCL)-8", "short_name": "2HGJ", "hw_model": "XIAO_NRF52_KIT" } }, "resolve_names": true, "packet_id": 489548, "from_node_id": 4186795636, "to_node_id": 2697733224, "timestamp": 1761152625.5872505, "gateway_id": "!6b492812", "raw_payload": "0a08367bb65492b0aa39120b17d1ffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "CS7BIG-8🇵🇹 (BIG1)", "to_node_name": "!a0cc2468", "route_data": { "route_nodes": [ 1421245238, 967487634 ], "snr_towards": [ 5.75, -11.75 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 4186795636, 1421245238, 967487634 ], "node_names": [ "CS7BIG-8🇵🇹 (BIG1)", "ESPOSENDE-RL-868🇵🇹 (BIG2)", "!39aab092" ], "snr_values": [ 5.75, -11.75 ], "hops": [ { "hop_number": 1, "from_node_id": 4186795636, "to_node_id": 1421245238, "from_node_name": "CS7BIG-8🇵🇹 (BIG1)", "to_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "snr": 5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2818.08742094663, "from_location_timestamp": 1761144997.3775313, "to_location_timestamp": 1760989982.6756756, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.9d ago" }, { "hop_number": 2, "from_node_id": 1421245238, "to_node_id": 967487634, "from_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "to_node_name": "!39aab092", "snr": -11.75, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 4186795636, 1421245238, 967487634 ], "node_names": [ "CS7BIG-8🇵🇹 (BIG1)", "ESPOSENDE-RL-868🇵🇹 (BIG2)", "!39aab092" ], "snr_values": [ 5.75, -11.75 ], "hops": [ { "hop_number": 1, "from_node_id": 4186795636, "to_node_id": 1421245238, "from_node_name": "CS7BIG-8🇵🇹 (BIG1)", "to_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "snr": 5.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2818.08742094663, "from_location_timestamp": 1761144997.3775313, "to_location_timestamp": 1760989982.6756756, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.9d ago" }, { "hop_number": 2, "from_node_id": 1421245238, "to_node_id": 967487634, "from_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "to_node_name": "!39aab092", "snr": -11.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "CS7BIG-8🇵🇹 (BIG1) → ESPOSENDE-RL-868🇵🇹 (BIG2) → !39aab092", "return_path_display": null, "actual_rf_path_display": "CS7BIG-8🇵🇹 (BIG1) → ESPOSENDE-RL-868🇵🇹 (BIG2) → !39aab092", "forward_hops": [ { "hop_number": 1, "from_node_id": 4186795636, "to_node_id": 1421245238, "from_node_name": "CS7BIG-8🇵🇹 (BIG1)", "to_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "snr": 5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2818.08742094663, "from_location_timestamp": 1761144997.3775313, "to_location_timestamp": 1760989982.6756756, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.9d ago" }, { "hop_number": 2, "from_node_id": 1421245238, "to_node_id": 967487634, "from_node_name": "ESPOSENDE-RL-868🇵🇹 (BIG2)", "to_node_name": "!39aab092", "snr": -11.75, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "return_hops": [], "total_forward_distance": 2818.08742094663, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6b492812", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4186795636, "to": 2697733224, "id": 3060538614, "rx_time": 1761152625, "rx_snr": -7.5, "rx_rssi": -120, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 146, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08367bb65492b0aa39120b17d1ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1421245238, 967487634 ], "snr_towards": [ 23, -47 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (23 bytes)

0a08367bb65492b0aa39120b17d1ffffffffffffffff01

Hex Analysis:

Size:	23 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.

Gateway	Time Offset	RSSI	SNR	Hops	Channel	Timestamp	Actions
CT2HGJ_(BCL)-8 (2HGJ) Primary	0.000s Reference	-120.0 dBm	-7.50 dB	2	LongFast	2025-10-22 18:03:45	Current
ℹ️(Meshtastic.pt)-GW-868🇵🇹 (BIG4)	-1.654s Before	-83.0 dBm	6.25 dB	1	LongFast	2025-10-22 18:03:43	View

Pacote #489548 Successo

Informação de Pacotes

Conteúdo dados

Dados:

Info. da Rota

Visualização da Rota

Passos do Traceroute

Total caminho percorrido

Combined Traceroute Graph

Legend & Paths

Nodes

Connections

Packet Paths