Packet #447817

Database ID:	447817
Mesh Packet ID:	`0x91406a90` Utilizado para correlação entre gateways
Tempo:	2025-10-20 09:34:05 UTC
Do Node:	Roger-8 (Rgr)
Para o Node:	Vegetal PT Meteorology (🕶)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	ℹ️(Meshtastic.pt)-GW-868🇵🇹 (BIG4)
Canal:	LongFast
RSSI:	-122 dBm
SNR:	-10.0 dBm
Info Hop:	2/4 hops Início: 4, Limite: 2

Caminho da Rota:	PNorte_BRG-GT-8 (PNrt) → BARCELOS-GT-868🇵🇹 (BIG3)
Quantidade de Hops:	1 hops
Estado:	Incomplete - Final destination not reached
SNR para:	6.25 dB -17.0 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	Roger-8 (Rgr)	PNorte_BRG-GT-8 (PNrt)	Unknown	6.25 dB	Origem	Hops
2	PNorte_BRG-GT-8 (PNrt)	BARCELOS-GT-868🇵🇹 (BIG3)	19.97 km	-17.0 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:	!ba61d134
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`	`!ba61d134` 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`	`1433463786` Source node ID	uint32
`to`	`1168332992` 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`	`-122.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.00` dB Signal quality at gateway	float
`rx_time`	`1760949244` 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`	`117` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1760949245.9995425` 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:	`!ba61d134`
Signal Metrics:	RSSI: -122.0 dBm SNR: -10.00 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": [ 1999796754, 268920437 ], "snr_towards": [ 6.25, -17.0 ], "route_back": [], "snr_back": [], "route_node_names": { "1168332992": "Vegetal PT Meteorology (🕶)", "1999796754": "PNorte_BRG-GT-8 (PNrt)", "1433463786": "Roger-8 (Rgr)", "268920437": "BARCELOS-GT-868🇵🇹 (BIG3)" }, "traceroute_packet": { "packet_data": { "id": 447817, "timestamp": 1760949245.9995425, "from_node_id": 1433463786, "to_node_id": 1168332992, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!ba61d134", "channel_id": "LongFast", "mesh_packet_id": 2436917904, "rssi": -122, "snr": -10.0, "hop_limit": 2, "hop_start": 4, "payload_length": 23, "processed_successfully": 1, "raw_payload": "0a08127a327775660710120b19bcffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1760949244, "pki_encrypted": 0, "next_hop": 0, "relay_node": 117, "tx_after": 0, "timestamp_str": "2025-10-20 09:34:05", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Roger-8 (Rgr)", "to_node_name": "Vegetal PT Meteorology (🕶)", "gateway_name": "ℹ️(Meshtastic.pt)-GW-868🇵🇹 (BIG4)", "gateway_location": { "node_id": 3126972724, "latitude": 41.537737, "longitude": -8.741698, "altitude": 49, "timestamp": 1761075747.0027575, "timestamp_str": "2025-10-21 20:42:27", "display_name": "ℹ️(Meshtastic.pt)-GW-868🇵🇹", "long_name": "ℹ️(Meshtastic.pt)-GW-868🇵🇹", "short_name": "BIG4", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 447817, "from_node_id": 1433463786, "to_node_id": 1168332992, "timestamp": 1760949245.9995425, "gateway_id": "!ba61d134", "raw_payload": "0a08127a327775660710120b19bcffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "Roger-8 (Rgr)", "to_node_name": "!45a358c0", "route_data": { "route_nodes": [ 1999796754, 268920437 ], "snr_towards": [ 6.25, -17.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 1433463786, 1999796754, 268920437 ], "node_names": [ "Roger-8 (Rgr)", "PNorte_BRG-GT-8 (PNrt)", "BARCELOS-GT-868🇵🇹 (BIG3)" ], "snr_values": [ 6.25, -17.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1433463786, "to_node_id": 1999796754, "from_node_name": "Roger-8 (Rgr)", "to_node_name": "PNorte_BRG-GT-8 (PNrt)", "snr": 6.25, "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" }, { "hop_number": 2, "from_node_id": 1999796754, "to_node_id": 268920437, "from_node_name": "PNorte_BRG-GT-8 (PNrt)", "to_node_name": "BARCELOS-GT-868🇵🇹 (BIG3)", "snr": -17.0, "direction": "forward", "is_target_hop": false, "distance_meters": 19969.128955359854, "from_location_timestamp": 1760719983.098012, "to_location_timestamp": 1760860709.5402288, "from_location_age_warning": "from 2.7d ago", "to_location_age_warning": "from 1.0d ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 1433463786, 1999796754, 268920437 ], "node_names": [ "Roger-8 (Rgr)", "PNorte_BRG-GT-8 (PNrt)", "BARCELOS-GT-868🇵🇹 (BIG3)" ], "snr_values": [ 6.25, -17.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1433463786, "to_node_id": 1999796754, "from_node_name": "Roger-8 (Rgr)", "to_node_name": "PNorte_BRG-GT-8 (PNrt)", "snr": 6.25, "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" }, { "hop_number": 2, "from_node_id": 1999796754, "to_node_id": 268920437, "from_node_name": "PNorte_BRG-GT-8 (PNrt)", "to_node_name": "BARCELOS-GT-868🇵🇹 (BIG3)", "snr": -17.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 19969.128955359854, "from_location_timestamp": 1760719983.098012, "to_location_timestamp": 1760860709.5402288, "from_location_age_warning": "from 2.7d ago", "to_location_age_warning": "from 1.0d ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Roger-8 (Rgr) → PNorte_BRG-GT-8 (PNrt) → BARCELOS-GT-868🇵🇹 (BIG3)", "return_path_display": null, "actual_rf_path_display": "Roger-8 (Rgr) → PNorte_BRG-GT-8 (PNrt) → BARCELOS-GT-868🇵🇹 (BIG3)", "forward_hops": [ { "hop_number": 1, "from_node_id": 1433463786, "to_node_id": 1999796754, "from_node_name": "Roger-8 (Rgr)", "to_node_name": "PNorte_BRG-GT-8 (PNrt)", "snr": 6.25, "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" }, { "hop_number": 2, "from_node_id": 1999796754, "to_node_id": 268920437, "from_node_name": "PNorte_BRG-GT-8 (PNrt)", "to_node_name": "BARCELOS-GT-868🇵🇹 (BIG3)", "snr": -17.0, "direction": "forward", "is_target_hop": false, "distance_meters": 19969.128955359854, "from_location_timestamp": 1760719983.098012, "to_location_timestamp": 1760860709.5402288, "from_location_age_warning": "from 2.7d ago", "to_location_age_warning": "from 1.0d ago" } ], "return_hops": [], "total_forward_distance": 19969.128955359854, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba61d134", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1433463786, "to": 1168332992, "id": 2436917904, "rx_time": 1760949244, "rx_snr": -10.0, "rx_rssi": -122, "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": 117, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08127a327775660710120b19bcffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1999796754, 268920437 ], "snr_towards": [ 25, -68 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (23 bytes)

0a08127a327775660710120b19bcffffffffffffffff01

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
ℹ️(Meshtastic.pt)-GW-868🇵🇹 (BIG4) Primary	0.000s Reference	-122.0 dBm	-10.00 dB	2	LongFast	2025-10-20 09:34:05	Current
PinguimVerde-8 (Pngm)	+2.373s After	-111.0 dBm	-11.75 dB	3	LongFast	2025-10-20 09:34:08	View

Pacote #447817 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