Packet #3587693

Database ID:	3587693
Mesh Packet ID:	`0xae1d2b10` Used for correlation across gateways
Timestamp:	2025-07-13 05:18:52 UTC
From Node:	EA5ISO 📡 (EA52)
To Node:	Meshtastic bb47 (bb47)
Success:	Processed
Protocol:	TRACEROUTE_APP Port: 70

Gateway:	Meshtastic aa4c (aa4c)
Channel:	LongFast
RSSI:	-95 dBm
SNR:	6.75 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1

Route Path:	Karman’s Tube Solar 2️⃣🗼 (KTS2) → Karman’s Mini Solar RAK🗼 (KMSR)
Hop Count:	1 hops
Status:	Incomplete - Final destination not reached
SNR Towards:	-16.0 dB -15.0 dB

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	EA5ISO 📡 (EA52)	Karman’s Tube Solar 2️⃣🗼 (KTS2)	34.07 km	-16.0 dB	Origin	Hops
2	Karman’s Tube Solar 2️⃣🗼 (KTS2)	Karman’s Mini Solar RAK🗼 (KMSR)	6.29 km	-15.0 dB	Relay	Hops
Traceroute incomplete - Final destination not reached

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:	32 bytes
Gateway:	!43b6aa4c
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	2 / 3

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`	`!43b6aa4c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (32 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2697722192` Source node ID	uint32
`to`	`3758799687` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`32` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-95.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.75` dB Signal quality at gateway	float
`rx_time`	`1752383931` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1752383932.6491947` 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:	`!43b6aa4c`
Signal Metrics:	RSSI: -95.0 dBm SNR: 6.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	32 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 244036563, 4079282350 ], "snr_towards": [ -16.0, -15.0 ], "route_back": [], "snr_back": [], "route_node_names": { "2697722192": "EA5ISO 📡 (EA52)", "244036563": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "4079282350": "Karman’s Mini Solar RAK🗼 (KMSR)", "3758799687": "Meshtastic bb47 (bb47)" }, "traceroute_packet": { "packet_data": { "id": 3587693, "timestamp": 1752383932.6491947, "from_node_id": 2697722192, "to_node_id": 3758799687, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!43b6aa4c", "channel_id": "LongFast", "mesh_packet_id": 2921147152, "rssi": -95, "snr": 6.75, "hop_limit": 1, "hop_start": 3, "payload_length": 32, "processed_successfully": 1, "raw_payload": "0a08d3b38b0eaee824f31214c0ffffffffffffffff01c4ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1752383931, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "timestamp_str": "2025-07-13 05:18:52", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "EA5ISO 📡 (EA52)", "to_node_name": "Meshtastic bb47 (bb47)", "gateway_name": "Meshtastic aa4c (aa4c)", "gateway_location": null }, "resolve_names": true, "packet_id": 3587693, "from_node_id": 2697722192, "to_node_id": 3758799687, "timestamp": 1752383932.6491947, "gateway_id": "!43b6aa4c", "raw_payload": "0a08d3b38b0eaee824f31214c0ffffffffffffffff01c4ffffffffffffffff01", "hop_limit": 1, "hop_start": 3, "from_node_name": "EA5ISO 📡 (EA52)", "to_node_name": "!e00abb47", "route_data": { "route_nodes": [ 244036563, 4079282350 ], "snr_towards": [ -16.0, -15.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2697722192, 244036563, 4079282350 ], "node_names": [ "EA5ISO 📡 (EA52)", "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "Karman’s Mini Solar RAK🗼 (KMSR)" ], "snr_values": [ -16.0, -15.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2697722192, "to_node_id": 244036563, "from_node_name": "EA5ISO 📡 (EA52)", "to_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "snr": -16.0, "direction": "forward", "is_target_hop": false, "distance_meters": 34065.58137786069, "from_location_timestamp": 1752383422.0161355, "to_location_timestamp": 1752349148.8114557, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 9.7h ago" }, { "hop_number": 2, "from_node_id": 244036563, "to_node_id": 4079282350, "from_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "to_node_name": "Karman’s Mini Solar RAK🗼 (KMSR)", "snr": -15.0, "direction": "forward", "is_target_hop": false, "distance_meters": 6292.827011498498, "from_location_timestamp": 1752349148.8114557, "to_location_timestamp": 1752382820.8884182, "from_location_age_warning": "from 9.7h ago", "to_location_age_warning": "from 0.3h ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2697722192, 244036563, 4079282350 ], "node_names": [ "EA5ISO 📡 (EA52)", "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "Karman’s Mini Solar RAK🗼 (KMSR)" ], "snr_values": [ -16.0, -15.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2697722192, "to_node_id": 244036563, "from_node_name": "EA5ISO 📡 (EA52)", "to_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "snr": -16.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 34065.58137786069, "from_location_timestamp": 1752383422.0161355, "to_location_timestamp": 1752349148.8114557, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 9.7h ago" }, { "hop_number": 2, "from_node_id": 244036563, "to_node_id": 4079282350, "from_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "to_node_name": "Karman’s Mini Solar RAK🗼 (KMSR)", "snr": -15.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 6292.827011498498, "from_location_timestamp": 1752349148.8114557, "to_location_timestamp": 1752382820.8884182, "from_location_age_warning": "from 9.7h ago", "to_location_age_warning": "from 0.3h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "EA5ISO 📡 (EA52) → Karman’s Tube Solar 2️⃣🗼 (KTS2) → Karman’s Mini Solar RAK🗼 (KMSR)", "return_path_display": null, "actual_rf_path_display": "EA5ISO 📡 (EA52) → Karman’s Tube Solar 2️⃣🗼 (KTS2) → Karman’s Mini Solar RAK🗼 (KMSR)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2697722192, "to_node_id": 244036563, "from_node_name": "EA5ISO 📡 (EA52)", "to_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "snr": -16.0, "direction": "forward", "is_target_hop": false, "distance_meters": 34065.58137786069, "from_location_timestamp": 1752383422.0161355, "to_location_timestamp": 1752349148.8114557, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 9.7h ago" }, { "hop_number": 2, "from_node_id": 244036563, "to_node_id": 4079282350, "from_node_name": "Karman’s Tube Solar 2️⃣🗼 (KTS2)", "to_node_name": "Karman’s Mini Solar RAK🗼 (KMSR)", "snr": -15.0, "direction": "forward", "is_target_hop": false, "distance_meters": 6292.827011498498, "from_location_timestamp": 1752349148.8114557, "to_location_timestamp": 1752382820.8884182, "from_location_age_warning": "from 9.7h ago", "to_location_age_warning": "from 0.3h ago" } ], "return_hops": [], "total_forward_distance": 40358.40838935919, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!43b6aa4c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697722192, "to": 3758799687, "id": 2921147152, "rx_time": 1752383931, "rx_snr": 6.75, "rx_rssi": -95, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08d3b38b0eaee824f31214c0ffffffffffffffff01c4ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 244036563, 4079282350 ], "snr_towards": [ -64, -60 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }

Raw Packet Data (32 bytes)

0a08d3b38b0eaee824f31214c0ffffffffffffffff01c4ffffffffffffffff01

Hex Analysis:

Size:	32 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.

Packet #3587693 Success

Packet Information

Payload Data

Decoded Data:

Route Information

Route Visualization

Traceroute Steps

Total Forward Distance

Combined Traceroute Graph

Legend & Paths

Nodes

Connections

Packet Paths