Packet #301600

Database ID:	301600
Mesh Packet ID:	`0x6fa20233` Utilizado para correlação entre gateways
Tempo:	2025-10-11 20:20:36 UTC
Do Node:	SULACO-8🇵🇹 (Λ²)
Para o Node:	NMG01-CT-8🇵🇹 (NMG1)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	NOSTROMO-GW-8🇵🇹 (Λ¹)
Canal:	LongFast
RSSI:	-63 dBm
SNR:	5.5 dBm
Info Hop:	0/4 hops Início: 4, Limite: 4

Caminho da Rota:	R3X-CLB-8 (R3X) → No Answer/R242-8🇵🇹 (R242) → NOSTROMO-GW-8🇵🇹 (Λ¹)
Quantidade de Hops:	2 hops
Estado:	Complete
SNR para:	-13.0 dB -6.0 dB 0.0 dB 6.25 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	SULACO-8🇵🇹 (Λ²)	R3X-CLB-8 (R3X)	1466.05 km	-13.0 dB	Origem	Hops
2	R3X-CLB-8 (R3X)	No Answer/R242-8🇵🇹 (R242)	26.63 km	-6.0 dB	Reptido	Hops
3	No Answer/R242-8🇵🇹 (R242)	NOSTROMO-GW-8🇵🇹 (Λ¹)	1461.65 km	0.0 dB	Destino	Hops

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:	38 bytes
Gateway:	!da75d154
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	Unknown / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!da75d154` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (38 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3927517000` Source node ID	uint32
`to`	`1244692564` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`38` 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`	`-63.0` dBm Signal strength at gateway	int32
`rx_snr`	`5.50` dB Signal quality at gateway	float
`rx_time`	`1760210435` 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`	`72` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1760210436.2225857` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

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

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!da75d154`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -63.0 dBm SNR: 5.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	38 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 1183488819, 144032485, 3665154388 ], "snr_towards": [ -13.0, -6.0, 0.0, 6.25 ], "route_back": [], "snr_back": [], "route_node_names": { "144032485": "No Answer/R242-8🇵🇹 (R242)", "3927517000": "SULACO-8🇵🇹 (Λ²)", "1183488819": "R3X-CLB-8 (R3X)", "3665154388": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "1244692564": "NMG01-CT-8🇵🇹 (NMG1)" }, "traceroute_packet": { "packet_data": { "id": 301600, "timestamp": 1760210436.2225857, "from_node_id": 3927517000, "to_node_id": 1244692564, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!da75d154", "channel_id": "LongFast", "mesh_packet_id": 1872888371, "rssi": -63, "snr": 5.5, "hop_limit": 4, "hop_start": 4, "payload_length": 38, "processed_successfully": 1, "raw_payload": "0a0c339b8a46e5c2950854d175da1216ccffffffffffffffff01e8ffffffffffffffff010019", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1760210435, "pki_encrypted": 0, "next_hop": 0, "relay_node": 72, "tx_after": 0, "timestamp_str": "2025-10-11 20:20:36", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "SULACO-8🇵🇹 (Λ²)", "to_node_name": "NMG01-CT-8🇵🇹 (NMG1)", "gateway_name": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "gateway_location": { "node_id": 3665154388, "latitude": 37.7552896, "longitude": -25.7097728, "altitude": 11, "timestamp": 1761253427.2151165, "timestamp_str": "2025-10-23 22:03:47", "display_name": "NOSTROMO-GW-8🇵🇹", "long_name": "NOSTROMO-GW-8🇵🇹", "short_name": "Λ¹", "hw_model": "SEEED_XIAO_S3" } }, "resolve_names": true, "packet_id": 301600, "from_node_id": 3927517000, "to_node_id": 1244692564, "timestamp": 1760210436.2225857, "gateway_id": "!da75d154", "raw_payload": "0a0c339b8a46e5c2950854d175da1216ccffffffffffffffff01e8ffffffffffffffff010019", "hop_limit": 4, "hop_start": 4, "from_node_name": "SULACO-8🇵🇹 (Λ²)", "to_node_name": "NMG01-CT-8🇵🇹 (NMG1)", "route_data": { "route_nodes": [ 1183488819, 144032485, 3665154388 ], "snr_towards": [ -13.0, -6.0, 0.0, 6.25 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 3927517000, 1183488819, 144032485, 3665154388 ], "node_names": [ "SULACO-8🇵🇹 (Λ²)", "R3X-CLB-8 (R3X)", "No Answer/R242-8🇵🇹 (R242)", "NOSTROMO-GW-8🇵🇹 (Λ¹)" ], "snr_values": [ -13.0, -6.0, 0.0, 6.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3927517000, "to_node_id": 1183488819, "from_node_name": "SULACO-8🇵🇹 (Λ²)", "to_node_name": "R3X-CLB-8 (R3X)", "snr": -13.0, "direction": "forward", "is_target_hop": false, "distance_meters": 1466048.257095197, "from_location_timestamp": 1759096892.176988, "to_location_timestamp": 1760207441.150847, "from_location_age_warning": "from 1.8w ago", "to_location_age_warning": "from 0.8h ago" }, { "hop_number": 2, "from_node_id": 1183488819, "to_node_id": 144032485, "from_node_name": "R3X-CLB-8 (R3X)", "to_node_name": "No Answer/R242-8🇵🇹 (R242)", "snr": -6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 26627.00211986608, "from_location_timestamp": 1760207441.150847, "to_location_timestamp": 1760189796.1691763, "from_location_age_warning": "from 0.8h ago", "to_location_age_warning": "from 5.7h ago" }, { "hop_number": 3, "from_node_id": 144032485, "to_node_id": 3665154388, "from_node_name": "No Answer/R242-8🇵🇹 (R242)", "to_node_name": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 1461653.7012220228, "from_location_timestamp": 1760189796.1691763, "to_location_timestamp": 1760189293.0938957, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 5.9h ago" } ], "is_complete": false, "total_hops": 3 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 1244692564, 1183488819, 144032485, 3665154388, 3927517000 ], "node_names": [ "NMG01-CT-8🇵🇹 (NMG1)", "R3X-CLB-8 (R3X)", "No Answer/R242-8🇵🇹 (R242)", "NOSTROMO-GW-8🇵🇹 (Λ¹)", "SULACO-8🇵🇹 (Λ²)" ], "snr_values": [ -13.0, -6.0, 0.0, 6.25 ], "hops": [ { "hop_number": 1, "from_node_id": 1244692564, "to_node_id": 1183488819, "from_node_name": "NMG01-CT-8🇵🇹 (NMG1)", "to_node_name": "R3X-CLB-8 (R3X)", "snr": -13.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 1848.6501651572985, "from_location_timestamp": 1760209100.61776, "to_location_timestamp": 1760207441.150847, "from_location_age_warning": "from 0.4h ago", "to_location_age_warning": "from 0.8h ago" }, { "hop_number": 2, "from_node_id": 1183488819, "to_node_id": 144032485, "from_node_name": "R3X-CLB-8 (R3X)", "to_node_name": "No Answer/R242-8🇵🇹 (R242)", "snr": -6.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 26627.00211986608, "from_location_timestamp": 1760207441.150847, "to_location_timestamp": 1760189796.1691763, "from_location_age_warning": "from 0.8h ago", "to_location_age_warning": "from 5.7h ago" }, { "hop_number": 3, "from_node_id": 144032485, "to_node_id": 3665154388, "from_node_name": "No Answer/R242-8🇵🇹 (R242)", "to_node_name": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "snr": 0.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 1461653.7012220228, "from_location_timestamp": 1760189796.1691763, "to_location_timestamp": 1760189293.0938957, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 5.9h ago" }, { "hop_number": 4, "from_node_id": 3665154388, "to_node_id": 3927517000, "from_node_name": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "to_node_name": "SULACO-8🇵🇹 (Λ²)", "snr": 6.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 679.4160363873631, "from_location_timestamp": 1760189293.0938957, "to_location_timestamp": 1759096892.176988, "from_location_age_warning": "from 5.9h ago", "to_location_age_warning": "from 1.8w ago" } ], "is_complete": true, "total_hops": 4 } }, "has_return_path": false, "is_complete": true, "forward_path_display": "SULACO-8🇵🇹 (Λ²) → R3X-CLB-8 (R3X) → No Answer/R242-8🇵🇹 (R242) → NOSTROMO-GW-8🇵🇹 (Λ¹)", "return_path_display": null, "actual_rf_path_display": "NMG01-CT-8🇵🇹 (NMG1) → R3X-CLB-8 (R3X) → No Answer/R242-8🇵🇹 (R242) → NOSTROMO-GW-8🇵🇹 (Λ¹) → SULACO-8🇵🇹 (Λ²)", "forward_hops": [ { "hop_number": 1, "from_node_id": 3927517000, "to_node_id": 1183488819, "from_node_name": "SULACO-8🇵🇹 (Λ²)", "to_node_name": "R3X-CLB-8 (R3X)", "snr": -13.0, "direction": "forward", "is_target_hop": false, "distance_meters": 1466048.257095197, "from_location_timestamp": 1759096892.176988, "to_location_timestamp": 1760207441.150847, "from_location_age_warning": "from 1.8w ago", "to_location_age_warning": "from 0.8h ago" }, { "hop_number": 2, "from_node_id": 1183488819, "to_node_id": 144032485, "from_node_name": "R3X-CLB-8 (R3X)", "to_node_name": "No Answer/R242-8🇵🇹 (R242)", "snr": -6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 26627.00211986608, "from_location_timestamp": 1760207441.150847, "to_location_timestamp": 1760189796.1691763, "from_location_age_warning": "from 0.8h ago", "to_location_age_warning": "from 5.7h ago" }, { "hop_number": 3, "from_node_id": 144032485, "to_node_id": 3665154388, "from_node_name": "No Answer/R242-8🇵🇹 (R242)", "to_node_name": "NOSTROMO-GW-8🇵🇹 (Λ¹)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 1461653.7012220228, "from_location_timestamp": 1760189796.1691763, "to_location_timestamp": 1760189293.0938957, "from_location_age_warning": "from 5.7h ago", "to_location_age_warning": "from 5.9h ago" } ], "return_hops": [], "total_forward_distance": 2954328.960437086, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da75d154", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3927517000, "to": 1244692564, "id": 1872888371, "rx_time": 1760210435, "rx_snr": 5.5, "rx_rssi": -63, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 72, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a0c339b8a46e5c2950854d175da1216ccffffffffffffffff01e8ffffffffffffffff010019", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1183488819, 144032485, 3665154388 ], "snr_towards": [ -52, -24, 0, 25 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (38 bytes)

0a0c339b8a46e5c2950854d175da1216ccffffffffffffffff01e8ffffffffffffffff010019

Hex Analysis:

Size:	38 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.

Pacote #301600 Successo

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