Packet #440316

Database ID:	440316
Mesh Packet ID:	`0xdec4cf2c` Utilizado para correlação entre gateways
Tempo:	2025-10-19 20:46:49 UTC
Do Node:	Multivac-CL-8 (CAB2)
Para o Node:	cinza07D-8 (cz7D)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	Fama-17-GT-8-PT (F17)
Canal:	LongFast
RSSI:	-122 dBm
SNR:	-12.0 dBm
Info Hop:	2/4 hops Início: 4, Limite: 2

Caminho da Rota:	Cabanelas-CL-8 (CAB1) → !b761f7ad
Quantidade de Hops:	1 hops
Estado:	Incomplete - Final destination not reached
SNR para:	10.5 dB -13.75 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	Multivac-CL-8 (CAB2)	Cabanelas-CL-8 (CAB1)	4.10 km	10.5 dB	Origem	Hops
2	Cabanelas-CL-8 (CAB1)	!b761f7ad	Unknown	-13.75 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:	!13296f2c
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`	`!13296f2c` 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`	`3395216488` Source node ID	uint32
`to`	`2661403564` 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`	`-12.00` dB Signal quality at gateway	float
`rx_time`	`1760903208` 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`	`172` Next hop node ID	uint32
`relay_node`	`173` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1760903209.2868302` 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:	`!13296f2c`
Signal Metrics:	RSSI: -122.0 dBm SNR: -12.00 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": [ 1244661276, 3076650925 ], "snr_towards": [ 10.5, -13.75 ], "route_back": [], "snr_back": [], "route_node_names": { "3395216488": "Multivac-CL-8 (CAB2)", "2661403564": "cinza07D-8 (cz7D)", "1244661276": "Cabanelas-CL-8 (CAB1)", "3076650925": "!b761f7ad" }, "traceroute_packet": { "packet_data": { "id": 440316, "timestamp": 1760903209.2868302, "from_node_id": 3395216488, "to_node_id": 2661403564, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!13296f2c", "channel_id": "LongFast", "mesh_packet_id": 3737440044, "rssi": -122, "snr": -12.0, "hop_limit": 2, "hop_start": 4, "payload_length": 23, "processed_successfully": 1, "raw_payload": "0a081c06304aadf761b7120b2ac9ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1760903208, "pki_encrypted": 0, "next_hop": 172, "relay_node": 173, "tx_after": 0, "timestamp_str": "2025-10-19 20:46:49", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Multivac-CL-8 (CAB2)", "to_node_name": "cinza07D-8 (cz7D)", "gateway_name": "Fama-17-GT-8-PT (F17)", "gateway_location": null }, "resolve_names": true, "packet_id": 440316, "from_node_id": 3395216488, "to_node_id": 2661403564, "timestamp": 1760903209.2868302, "gateway_id": "!13296f2c", "raw_payload": "0a081c06304aadf761b7120b2ac9ffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "Multivac-CL-8 (CAB2)", "to_node_name": "!9ea1cbac", "route_data": { "route_nodes": [ 1244661276, 3076650925 ], "snr_towards": [ 10.5, -13.75 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 3395216488, 1244661276, 3076650925 ], "node_names": [ "Multivac-CL-8 (CAB2)", "Cabanelas-CL-8 (CAB1)", "!b761f7ad" ], "snr_values": [ 10.5, -13.75 ], "hops": [ { "hop_number": 1, "from_node_id": 3395216488, "to_node_id": 1244661276, "from_node_name": "Multivac-CL-8 (CAB2)", "to_node_name": "Cabanelas-CL-8 (CAB1)", "snr": 10.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4103.019287131784, "from_location_timestamp": 1759060086.644472, "to_location_timestamp": 1760900839.802449, "from_location_age_warning": "from 3.0w ago", "to_location_age_warning": "from 0.7h ago" }, { "hop_number": 2, "from_node_id": 1244661276, "to_node_id": 3076650925, "from_node_name": "Cabanelas-CL-8 (CAB1)", "to_node_name": "!b761f7ad", "snr": -13.75, "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": [ 3395216488, 1244661276, 3076650925 ], "node_names": [ "Multivac-CL-8 (CAB2)", "Cabanelas-CL-8 (CAB1)", "!b761f7ad" ], "snr_values": [ 10.5, -13.75 ], "hops": [ { "hop_number": 1, "from_node_id": 3395216488, "to_node_id": 1244661276, "from_node_name": "Multivac-CL-8 (CAB2)", "to_node_name": "Cabanelas-CL-8 (CAB1)", "snr": 10.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 4103.019287131784, "from_location_timestamp": 1759060086.644472, "to_location_timestamp": 1760900839.802449, "from_location_age_warning": "from 3.0w ago", "to_location_age_warning": "from 0.7h ago" }, { "hop_number": 2, "from_node_id": 1244661276, "to_node_id": 3076650925, "from_node_name": "Cabanelas-CL-8 (CAB1)", "to_node_name": "!b761f7ad", "snr": -13.75, "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": "Multivac-CL-8 (CAB2) → Cabanelas-CL-8 (CAB1) → !b761f7ad", "return_path_display": null, "actual_rf_path_display": "Multivac-CL-8 (CAB2) → Cabanelas-CL-8 (CAB1) → !b761f7ad", "forward_hops": [ { "hop_number": 1, "from_node_id": 3395216488, "to_node_id": 1244661276, "from_node_name": "Multivac-CL-8 (CAB2)", "to_node_name": "Cabanelas-CL-8 (CAB1)", "snr": 10.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4103.019287131784, "from_location_timestamp": 1759060086.644472, "to_location_timestamp": 1760900839.802449, "from_location_age_warning": "from 3.0w ago", "to_location_age_warning": "from 0.7h ago" }, { "hop_number": 2, "from_node_id": 1244661276, "to_node_id": 3076650925, "from_node_name": "Cabanelas-CL-8 (CAB1)", "to_node_name": "!b761f7ad", "snr": -13.75, "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": 4103.019287131784, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!13296f2c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3395216488, "to": 2661403564, "id": 3737440044, "rx_time": 1760903208, "rx_snr": -12.0, "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": 172, "relay_node": 173, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a081c06304aadf761b7120b2ac9ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1244661276, 3076650925 ], "snr_towards": [ 42, -55 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (23 bytes)

0a081c06304aadf761b7120b2ac9ffffffffffffffff01

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.

Pacote #440316 Successo

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