Packet #437046

Database ID:	437046
Mesh Packet ID:	`0x88048413` Utilizado para correlação entre gateways
Tempo:	2025-10-19 16:48:49 UTC
Do Node:	CR7BUI-CL-8 (7BUI)
Para o Node:	No Answer/GT170-8🇵🇹 (T170)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	CR7BUK-CL-8 (7BUK)
Canal:	LongFast
RSSI:	-96 dBm
SNR:	3.0 dBm
Info Hop:	2/4 hops Início: 4, Limite: 2

Caminho da Rota:	TVD0-GT-8 (TVD0) → VARTV-RL-8 (VATV)
Quantidade de Hops:	1 hops
Estado:	Incomplete - Final destination not reached
SNR para:	9.0 dB -11.75 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	CR7BUI-CL-8 (7BUI)	TVD0-GT-8 (TVD0)	0 m	9.0 dB	Origem	Hops
2	TVD0-GT-8 (TVD0)	VARTV-RL-8 (VATV)	801.45 km	-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:	!db2b2580
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`	`!db2b2580` 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`	`3127537948` Source node ID	uint32
`to`	`2191935138` 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`	`-96.0` dBm Signal strength at gateway	int32
`rx_snr`	`3.00` dB Signal quality at gateway	float
`rx_time`	`1760888928` 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`	`148` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1760888929.0486577` 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:	`!db2b2580`
Signal Metrics:	RSSI: -96.0 dBm SNR: 3.00 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": [ 1244692488, 1640420756 ], "snr_towards": [ 9.0, -11.75 ], "route_back": [], "snr_back": [], "route_node_names": { "1244692488": "TVD0-GT-8 (TVD0)", "2191935138": "No Answer/GT170-8🇵🇹 (T170)", "1640420756": "VARTV-RL-8 (VATV)", "3127537948": "CR7BUI-CL-8 (7BUI)" }, "traceroute_packet": { "packet_data": { "id": 437046, "timestamp": 1760888929.0486577, "from_node_id": 3127537948, "to_node_id": 2191935138, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!db2b2580", "channel_id": "LongFast", "mesh_packet_id": 2281997331, "rssi": -96, "snr": 3.0, "hop_limit": 2, "hop_start": 4, "payload_length": 23, "processed_successfully": 1, "raw_payload": "0a080880304a94d5c661120b24d1ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1760888928, "pki_encrypted": 0, "next_hop": 0, "relay_node": 148, "tx_after": 0, "timestamp_str": "2025-10-19 16:48:49", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "CR7BUI-CL-8 (7BUI)", "to_node_name": "No Answer/GT170-8🇵🇹 (T170)", "gateway_name": "CR7BUK-CL-8 (7BUK)", "gateway_location": { "node_id": 3677037952, "latitude": 39.1102464, "longitude": -9.2618752, "altitude": 62, "timestamp": 1761204558.847177, "timestamp_str": "2025-10-23 08:29:18", "display_name": "CR7BUK-CL-8", "long_name": "CR7BUK-CL-8", "short_name": "7BUK", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 437046, "from_node_id": 3127537948, "to_node_id": 2191935138, "timestamp": 1760888929.0486577, "gateway_id": "!db2b2580", "raw_payload": "0a080880304a94d5c661120b24d1ffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "CR7BUI-CL-8 (7BUI)", "to_node_name": "!82a646a2", "route_data": { "route_nodes": [ 1244692488, 1640420756 ], "snr_towards": [ 9.0, -11.75 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 3127537948, 1244692488, 1640420756 ], "node_names": [ "CR7BUI-CL-8 (7BUI)", "TVD0-GT-8 (TVD0)", "VARTV-RL-8 (VATV)" ], "snr_values": [ 9.0, -11.75 ], "hops": [ { "hop_number": 1, "from_node_id": 3127537948, "to_node_id": 1244692488, "from_node_name": "CR7BUI-CL-8 (7BUI)", "to_node_name": "TVD0-GT-8 (TVD0)", "snr": 9.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1758973988.8451185, "to_location_timestamp": 1760878884.4178104, "from_location_age_warning": "from 3.2w ago", "to_location_age_warning": "from 2.8h ago" }, { "hop_number": 2, "from_node_id": 1244692488, "to_node_id": 1640420756, "from_node_name": "TVD0-GT-8 (TVD0)", "to_node_name": "VARTV-RL-8 (VATV)", "snr": -11.75, "direction": "forward", "is_target_hop": false, "distance_meters": 801447.0768693051, "from_location_timestamp": 1760878884.4178104, "to_location_timestamp": 1760879849.4534433, "from_location_age_warning": "from 2.8h ago", "to_location_age_warning": "from 2.5h ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 3127537948, 1244692488, 1640420756 ], "node_names": [ "CR7BUI-CL-8 (7BUI)", "TVD0-GT-8 (TVD0)", "VARTV-RL-8 (VATV)" ], "snr_values": [ 9.0, -11.75 ], "hops": [ { "hop_number": 1, "from_node_id": 3127537948, "to_node_id": 1244692488, "from_node_name": "CR7BUI-CL-8 (7BUI)", "to_node_name": "TVD0-GT-8 (TVD0)", "snr": 9.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1758973988.8451185, "to_location_timestamp": 1760878884.4178104, "from_location_age_warning": "from 3.2w ago", "to_location_age_warning": "from 2.8h ago" }, { "hop_number": 2, "from_node_id": 1244692488, "to_node_id": 1640420756, "from_node_name": "TVD0-GT-8 (TVD0)", "to_node_name": "VARTV-RL-8 (VATV)", "snr": -11.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 801447.0768693051, "from_location_timestamp": 1760878884.4178104, "to_location_timestamp": 1760879849.4534433, "from_location_age_warning": "from 2.8h ago", "to_location_age_warning": "from 2.5h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "CR7BUI-CL-8 (7BUI) → TVD0-GT-8 (TVD0) → VARTV-RL-8 (VATV)", "return_path_display": null, "actual_rf_path_display": "CR7BUI-CL-8 (7BUI) → TVD0-GT-8 (TVD0) → VARTV-RL-8 (VATV)", "forward_hops": [ { "hop_number": 1, "from_node_id": 3127537948, "to_node_id": 1244692488, "from_node_name": "CR7BUI-CL-8 (7BUI)", "to_node_name": "TVD0-GT-8 (TVD0)", "snr": 9.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1758973988.8451185, "to_location_timestamp": 1760878884.4178104, "from_location_age_warning": "from 3.2w ago", "to_location_age_warning": "from 2.8h ago" }, { "hop_number": 2, "from_node_id": 1244692488, "to_node_id": 1640420756, "from_node_name": "TVD0-GT-8 (TVD0)", "to_node_name": "VARTV-RL-8 (VATV)", "snr": -11.75, "direction": "forward", "is_target_hop": false, "distance_meters": 801447.0768693051, "from_location_timestamp": 1760878884.4178104, "to_location_timestamp": 1760879849.4534433, "from_location_age_warning": "from 2.8h ago", "to_location_age_warning": "from 2.5h ago" } ], "return_hops": [], "total_forward_distance": 801447.0768693051, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db2b2580", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127537948, "to": 2191935138, "id": 2281997331, "rx_time": 1760888928, "rx_snr": 3.0, "rx_rssi": -96, "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": 148, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a080880304a94d5c661120b24d1ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1244692488, 1640420756 ], "snr_towards": [ 36, -47 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (23 bytes)

0a080880304a94d5c661120b24d1ffffffffffffffff01

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
CR7BUK-CL-8 (7BUK) Primary	0.000s Reference	-96.0 dBm	3.00 dB	2	LongFast	2025-10-19 16:48:49	Current
Meshtastic beb0 (beb0)	+19.247s After	-99.0 dBm	-1.00 dB	4	LongFast	2025-10-19 16:49:08	View
CT5KEE-CL-8 (5KEE)	+88.475s After	-111.0 dBm	1.75 dB	3	LongFast	2025-10-19 16:50:17	View

Pacote #437046 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