Packet #496020

Database ID:	496020
Mesh Packet ID:	`0x505d2f11` Utilizado para correlação entre gateways
Tempo:	2025-10-23 01:45:43 UTC
Do Node:	Delta1#001-RL-8🇵🇹 (RL01)
Para o Node:	🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)
Successo:	Processado
Protocolo:	TRACEROUTE_APP Port: 70

Gateway:	CT1FHW1🇵🇹-GW-8 (FHW1)
Canal:	LongFast
RSSI:	-119 dBm
SNR:	-18.25 dBm
Info Hop:	2/2 hops Início: 2, Limite: 0

SNR para:	-4.75 dB
Caminho percorrido:	RL21-RL-868 (RL21) → !9ee778c8
SNR de:	1.0 dB -14.25 dB

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)	Delta1#001-RL-8🇵🇹 (RL01)	2.40 km	-4.75 dB	Origem	Hops
Traceroute incompleto - Não alcançou o destino final

Hop	Do Node	Para Node	Distancia	SNR (dB)	Direção	Análise
1	Delta1#001-RL-8🇵🇹 (RL01)	RL21-RL-868 (RL21)	7.38 km	1.0 dB	Início do retorno:	Hops
2	RL21-RL-868 (RL21)	!9ee778c8	Unknown	-14.25 dB	Fim do retorno:	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:	35 bytes
Gateway:	!4357e998
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	2 / 2

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`	`!4357e998` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (35 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3224916041` Source node ID	uint32
`to`	`4128850158` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`35` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`2` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-119.0` dBm Signal strength at gateway	int32
`rx_snr`	`-18.25` dB Signal quality at gateway	float
`rx_time`	`1761180341` 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`	`200` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1761180343.593` 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:	`!4357e998`
Signal Metrics:	RSSI: -119.0 dBm SNR: -18.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	35 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [], "snr_towards": [ -4.75 ], "route_back": [ 1229009662, 2665969864 ], "snr_back": [ 1.0, -14.25 ], "route_node_names": { "2665969864": "!9ee778c8", "3224916041": "Delta1#001-RL-8🇵🇹 (RL01)", "1229009662": "RL21-RL-868 (RL21)", "4128850158": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)" }, "traceroute_packet": { "packet_data": { "id": 496020, "timestamp": 1761180343.593, "from_node_id": 3224916041, "to_node_id": 4128850158, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!4357e998", "channel_id": "LongFast", "mesh_packet_id": 1348284177, "rssi": -119, "snr": -18.25, "hop_limit": 0, "hop_start": 2, "payload_length": 35, "processed_successfully": 1, "raw_payload": "120aedffffffffffffffff011a08fe324149c878e79e220b04c7ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1761180341, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "timestamp_str": "2025-10-23 01:45:43", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "gateway_name": "CT1FHW1🇵🇹-GW-8 (FHW1)", "gateway_location": { "node_id": 1129834904, "latitude": 38.6527805, "longitude": -9.1654861, "altitude": 59, "timestamp": 1761162898.2502422, "timestamp_str": "2025-10-22 20:54:58", "display_name": "CT1FHW1🇵🇹-GW-8", "long_name": "CT1FHW1🇵🇹-GW-8", "short_name": "FHW1", "hw_model": "LILYGO_TBEAM_S3_CORE" } }, "resolve_names": true, "packet_id": 496020, "from_node_id": 3224916041, "to_node_id": 4128850158, "timestamp": 1761180343.593, "gateway_id": "!4357e998", "raw_payload": "120aedffffffffffffffff011a08fe324149c878e79e220b04c7ffffffffffffffff01", "hop_limit": 0, "hop_start": 2, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "route_data": { "route_nodes": [], "snr_towards": [ -4.75 ], "route_back": [ 1229009662, 2665969864 ], "snr_back": [ 1.0, -14.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 4128850158, 3224916041 ], "node_names": [ "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "Delta1#001-RL-8🇵🇹 (RL01)" ], "snr_values": [ -4.75 ], "hops": [ { "hop_number": 1, "from_node_id": 4128850158, "to_node_id": 3224916041, "from_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": -4.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2395.6386496619734, "from_location_timestamp": 1761178758.5343165, "to_location_timestamp": 1761178069.2186446, "from_location_age_warning": "from 0.4h ago", "to_location_age_warning": "from 0.6h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 3224916041, 1229009662, 2665969864 ], "node_names": [ "Delta1#001-RL-8🇵🇹 (RL01)", "RL21-RL-868 (RL21)", "!9ee778c8" ], "snr_values": [ 1.0, -14.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3224916041, "to_node_id": 1229009662, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "RL21-RL-868 (RL21)", "snr": 1.0, "direction": "return", "is_target_hop": false, "distance_meters": 7375.411869816568, "from_location_timestamp": 1761178069.2186446, "to_location_timestamp": 1761172580.0989661, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 2.2h ago" }, { "hop_number": 2, "from_node_id": 1229009662, "to_node_id": 2665969864, "from_node_name": "RL21-RL-868 (RL21)", "to_node_name": "!9ee778c8", "snr": -14.25, "direction": "return", "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 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 4128850158, 3224916041, 1229009662, 2665969864 ], "node_names": [ "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "Delta1#001-RL-8🇵🇹 (RL01)", "RL21-RL-868 (RL21)", "!9ee778c8" ], "snr_values": [ -4.75, 1.0, -14.25 ], "hops": [ { "hop_number": 1, "from_node_id": 4128850158, "to_node_id": 3224916041, "from_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": -4.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2395.6386496619734, "from_location_timestamp": 1761178758.5343165, "to_location_timestamp": 1761178069.2186446, "from_location_age_warning": "from 0.4h ago", "to_location_age_warning": "from 0.6h ago" }, { "hop_number": 2, "from_node_id": 3224916041, "to_node_id": 1229009662, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "RL21-RL-868 (RL21)", "snr": 1.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 7375.411869816568, "from_location_timestamp": 1761178069.2186446, "to_location_timestamp": 1761172580.0989661, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 2.2h ago" }, { "hop_number": 3, "from_node_id": 1229009662, "to_node_id": 2665969864, "from_node_name": "RL21-RL-868 (RL21)", "to_node_name": "!9ee778c8", "snr": -14.25, "direction": "return_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": 3 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4) → Delta1#001-RL-8🇵🇹 (RL01)", "return_path_display": "Delta1#001-RL-8🇵🇹 (RL01) → RL21-RL-868 (RL21) → !9ee778c8", "actual_rf_path_display": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4) → Delta1#001-RL-8🇵🇹 (RL01) → RL21-RL-868 (RL21) → !9ee778c8", "forward_hops": [ { "hop_number": 1, "from_node_id": 4128850158, "to_node_id": 3224916041, "from_node_name": "🪪 CS7ATL#004-CLM-8 🇵🇹 (ATL4)", "to_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "snr": -4.75, "direction": "forward", "is_target_hop": false, "distance_meters": 2395.6386496619734, "from_location_timestamp": 1761178758.5343165, "to_location_timestamp": 1761178069.2186446, "from_location_age_warning": "from 0.4h ago", "to_location_age_warning": "from 0.6h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 3224916041, "to_node_id": 1229009662, "from_node_name": "Delta1#001-RL-8🇵🇹 (RL01)", "to_node_name": "RL21-RL-868 (RL21)", "snr": 1.0, "direction": "return", "is_target_hop": false, "distance_meters": 7375.411869816568, "from_location_timestamp": 1761178069.2186446, "to_location_timestamp": 1761172580.0989661, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 2.2h ago" }, { "hop_number": 2, "from_node_id": 1229009662, "to_node_id": 2665969864, "from_node_name": "RL21-RL-868 (RL21)", "to_node_name": "!9ee778c8", "snr": -14.25, "direction": "return", "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" } ], "total_forward_distance": 2395.6386496619734, "total_return_distance": 7375.411869816568 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!4357e998", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3224916041, "to": 4128850158, "id": 1348284177, "rx_time": 1761180341, "rx_snr": -18.25, "rx_rssi": -119, "hop_limit": 0, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 70, "payload": "120aedffffffffffffffff011a08fe324149c878e79e220b04c7ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ -19 ], "route_back": [ 1229009662, 2665969864 ], "snr_back": [ 4, -57 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (35 bytes)

120aedffffffffffffffff011a08fe324149c878e79e220b04c7ffffffffffffffff01

Hex Analysis:

Size:	35 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 #496020 Successo

Informação de Pacotes

Conteúdo dados

Dados:

Info. da Rota

Passos do Traceroute

Caminho de Retorno

Total caminho percorrido

Distância

Combined Traceroute Graph

Legend & Paths

Nodes

Connections

Packet Paths