Packet #1651640

Database ID:	1651640
Mesh Packet ID:	`0x273407bf` Used for correlation across gateways
Timestamp:	2025-06-23 17:04:01 UTC
From Node:	Venturada2🗼🌐☀️ (Vb2)
To Node:	Perseo 🗼 (nvm1)
Success:	Processed
Protocol:	TRACEROUTE_APP Port: 70

Gateway:	test🗼🌐🌞 (test)
Channel:	LongFast
RSSI:	-125 dBm
SNR:	-18.25 dBm
Hop Info:	2/2 hops Start: 2, Limit: 0

SNR Towards:	-5.75 dB
Return Path:	Sierra norte Madrid ⛰️ (SNM) → GRN1-Base📡🌐 (GRN1)
SNR Back:	-14.0 dB -1.25 dB

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	Perseo 🗼 (nvm1)	Venturada2🗼🌐☀️ (Vb2)	51.17 km	-5.75 dB	Origin	Hops
Traceroute incomplete - Final destination not reached

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	Venturada2🗼🌐☀️ (Vb2)	Sierra norte Madrid ⛰️ (SNM)	25.57 km	-14.0 dB	Return Start	Hops
2	Sierra norte Madrid ⛰️ (SNM)	GRN1-Base📡🌐 (GRN1)	Unknown	-1.25 dB	Return End	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:	44 bytes
Gateway:	!b03bea60
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`	`!b03bea60` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (44 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2687837872` Source node ID	uint32
`to`	`2687838088` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`44` 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`	`-125.0` dBm Signal strength at gateway	int32
`rx_snr`	`-18.25` dB Signal quality at gateway	float
`rx_time`	`1750698240` 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`	`232` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1750698241.2147236` 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:	`!b03bea60`
Signal Metrics:	RSSI: -125.0 dBm SNR: -18.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	44 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [], "snr_towards": [ -5.75 ], "route_back": [ 1129719940, 1136068328 ], "snr_back": [ -14.0, -1.25 ], "route_node_names": { "1136068328": "GRN1-Base📡🌐 (GRN1)", "1129719940": "Sierra norte Madrid ⛰️ (SNM)", "2687838088": "Perseo 🗼 (nvm1)", "2687837872": "Venturada2🗼🌐☀️ (Vb2)" }, "traceroute_packet": { "packet_data": { "id": 1651640, "timestamp": 1750698241.2147236, "from_node_id": 2687837872, "to_node_id": 2687838088, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!b03bea60", "channel_id": "LongFast", "mesh_packet_id": 657721279, "rssi": -125, "snr": -18.25, "hop_limit": 0, "hop_start": 2, "payload_length": 44, "processed_successfully": 1, "raw_payload": "120ae9ffffffffffffffff011a0884285643e806b7432214c8ffffffffffffffff01fbffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1750698240, "pki_encrypted": 0, "next_hop": 0, "relay_node": 232, "tx_after": 0, "timestamp_str": "2025-06-23 17:04:01", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Venturada2🗼🌐☀️ (Vb2)", "to_node_name": "Perseo 🗼 (nvm1)", "gateway_name": "test🗼🌐🌞 (test)", "gateway_location": { "node_id": 2956716640, "latitude": 40.8551424, "longitude": -3.5258368, "altitude": 1005, "timestamp": 1751296533.539011, "timestamp_str": "2025-06-30 15:15:33", "display_name": "test🗼🌐🌞", "long_name": "test🗼🌐🌞", "short_name": "test", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 1651640, "from_node_id": 2687837872, "to_node_id": 2687838088, "timestamp": 1750698241.2147236, "gateway_id": "!b03bea60", "raw_payload": "120ae9ffffffffffffffff011a0884285643e806b7432214c8ffffffffffffffff01fbffffffffffffffff01", "hop_limit": 0, "hop_start": 2, "from_node_name": "Venturada2🗼🌐☀️ (Vb2)", "to_node_name": "Perseo 🗼 (nvm1)", "route_data": { "route_nodes": [], "snr_towards": [ -5.75 ], "route_back": [ 1129719940, 1136068328 ], "snr_back": [ -14.0, -1.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 2687838088, 2687837872 ], "node_names": [ "Perseo 🗼 (nvm1)", "Venturada2🗼🌐☀️ (Vb2)" ], "snr_values": [ -5.75 ], "hops": [ { "hop_number": 1, "from_node_id": 2687838088, "to_node_id": 2687837872, "from_node_name": "Perseo 🗼 (nvm1)", "to_node_name": "Venturada2🗼🌐☀️ (Vb2)", "snr": -5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 51165.46273930027, "from_location_timestamp": 1750691633.4218106, "to_location_timestamp": 1750687124.394346, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 3.1h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 2687837872, 1129719940, 1136068328 ], "node_names": [ "Venturada2🗼🌐☀️ (Vb2)", "Sierra norte Madrid ⛰️ (SNM)", "GRN1-Base📡🌐 (GRN1)" ], "snr_values": [ -14.0, -1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2687837872, "to_node_id": 1129719940, "from_node_name": "Venturada2🗼🌐☀️ (Vb2)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -14.0, "direction": "return", "is_target_hop": false, "distance_meters": 25572.38711486419, "from_location_timestamp": 1750687124.394346, "to_location_timestamp": 1750655653.0112386, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 11.8h ago" }, { "hop_number": 2, "from_node_id": 1129719940, "to_node_id": 1136068328, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "GRN1-Base📡🌐 (GRN1)", "snr": -1.25, "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": [ 2687838088, 2687837872, 1129719940, 1136068328 ], "node_names": [ "Perseo 🗼 (nvm1)", "Venturada2🗼🌐☀️ (Vb2)", "Sierra norte Madrid ⛰️ (SNM)", "GRN1-Base📡🌐 (GRN1)" ], "snr_values": [ -5.75, -14.0, -1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2687838088, "to_node_id": 2687837872, "from_node_name": "Perseo 🗼 (nvm1)", "to_node_name": "Venturada2🗼🌐☀️ (Vb2)", "snr": -5.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 51165.46273930027, "from_location_timestamp": 1750691633.4218106, "to_location_timestamp": 1750687124.394346, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 3.1h ago" }, { "hop_number": 2, "from_node_id": 2687837872, "to_node_id": 1129719940, "from_node_name": "Venturada2🗼🌐☀️ (Vb2)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -14.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 25572.38711486419, "from_location_timestamp": 1750687124.394346, "to_location_timestamp": 1750655653.0112386, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 11.8h ago" }, { "hop_number": 3, "from_node_id": 1129719940, "to_node_id": 1136068328, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "GRN1-Base📡🌐 (GRN1)", "snr": -1.25, "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": "Perseo 🗼 (nvm1) → Venturada2🗼🌐☀️ (Vb2)", "return_path_display": "Venturada2🗼🌐☀️ (Vb2) → Sierra norte Madrid ⛰️ (SNM) → GRN1-Base📡🌐 (GRN1)", "actual_rf_path_display": "Perseo 🗼 (nvm1) → Venturada2🗼🌐☀️ (Vb2) → Sierra norte Madrid ⛰️ (SNM) → GRN1-Base📡🌐 (GRN1)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2687838088, "to_node_id": 2687837872, "from_node_name": "Perseo 🗼 (nvm1)", "to_node_name": "Venturada2🗼🌐☀️ (Vb2)", "snr": -5.75, "direction": "forward", "is_target_hop": false, "distance_meters": 51165.46273930027, "from_location_timestamp": 1750691633.4218106, "to_location_timestamp": 1750687124.394346, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 3.1h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 2687837872, "to_node_id": 1129719940, "from_node_name": "Venturada2🗼🌐☀️ (Vb2)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -14.0, "direction": "return", "is_target_hop": false, "distance_meters": 25572.38711486419, "from_location_timestamp": 1750687124.394346, "to_location_timestamp": 1750655653.0112386, "from_location_age_warning": "from 3.1h ago", "to_location_age_warning": "from 11.8h ago" }, { "hop_number": 2, "from_node_id": 1129719940, "to_node_id": 1136068328, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "GRN1-Base📡🌐 (GRN1)", "snr": -1.25, "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": 51165.46273930027, "total_return_distance": 25572.38711486419 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03bea60", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2687837872, "to": 2687838088, "id": 657721279, "rx_time": 1750698240, "rx_snr": -18.25, "rx_rssi": -125, "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": 232, "tx_after": 0, "decoded": { "portnum": 70, "payload": "120ae9ffffffffffffffff011a0884285643e806b7432214c8ffffffffffffffff01fbffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ -23 ], "route_back": [ 1129719940, 1136068328 ], "snr_back": [ -56, -5 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (44 bytes)

120ae9ffffffffffffffff011a0884285643e806b7432214c8ffffffffffffffff01fbffffffffffffffff01

Hex Analysis:

Size:	44 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
test🗼🌐🌞 (test) Primary	0.000s Reference	-125.0 dBm	-18.25 dB	2	LongFast	2025-06-23 17:04:01	Current
Perseo 🗼 (nvm1)	-9.293s Before	-112.0 dBm	-16.25 dB	0	LongFast	2025-06-23 17:03:51	View
[TLGO] Base 📡🌐 (TLG0)	-1.509s Before	-113.0 dBm	-10.25 dB	1	LongFast	2025-06-23 17:03:59	View
GRN1-Base📡🌐 (GRN1)	-1.497s Before	-110.0 dBm	-1.25 dB	1	LongFast	2025-06-23 17:03:59	View
Ajo Base 🧄 📡 (🧄)	+9.584s After	-115.0 dBm	-6.75 dB	0	LongFast	2025-06-23 17:04:10	View

Packet #1651640 Success

Packet Information

Payload Data

Decoded Data:

Route Information

Traceroute Steps

Return Path Steps

Total Forward Distance

Total Return Distance

Combined Traceroute Graph

Legend & Paths

Nodes

Connections

Packet Paths