Packet #19975366

Packet Information

Database ID:	19975366
Mesh Packet ID:	`0x1ea109d4` Used for correlation across gateways
Timestamp:	2026-07-27 21:25:32 UTC
From Node:	DUCAT (DUC)
To Node:	xDream SolarBase 7d6c (7d6c)
Success:	Processed
Protocol:	TRACEROUTE_APP Port: 70

Gateway:	SYSXX YGW8 (SXY8)
Channel:	MediumFast
RSSI:	Unknown
SNR:	11.25 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4

Payload Data

Protocol: TRACEROUTE_APP

Size: 154 bytes

Decoded: No

RouteDiscovery decode error: Error parsing message with type 'meshtastic.protobuf.RouteDiscovery'

Text Content:

0a1cacafa51b2aee742f7caeaa9520a4ea021f88869010be4ac9683fc5041247d4ffffffffffffffff01d0ffffffffffffffff01e4ffffffffffffffff01efffffffffffffffff01efffffffffffffffff01ddffffffffffffffff01d4ffffffffffffffff812b1a10c4765aa320b4c504a89d5185acafa51b221fd1ffffffffffffffff01cbffffffffffffffff012bffffffffffffffffff01

Combined Traceroute Graph

Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

Building graph...

Legend & Paths

Nodes

🔄 Router Node

📡 Gateway Node

🚀 Source Node

🎯 Target Node

Connections

RF Link

Gateway Connection

Direct Reception (0 hops)

Packet Paths

Loading paths...

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:	154 bytes
Gateway:	!efffff02
Channel:	MediumFast
Payload Type:	TRACEROUTE_APP
Hop Count:	3 / 7

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!efffff02` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (154 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2169505056` Source node ID	uint32
`to`	`463699308` Target node ID	uint32
`decoded.portnum`	`70` TRACEROUTE_APP	enum
`decoded.payload_length`	`154` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	`11.25` dB Signal quality at gateway	float
`rx_time`	`1785176731` 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`	`172` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1785176732.2165785` 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
✓ Custom channel: MediumFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!efffff02`
Signal Metrics:	SNR: 11.25 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!efffff02", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2169505056, "to": 463699308, "id": 513870292, "rx_time": 1785176731, "rx_snr": 11.25, "rx_rssi": 0, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a1cacafa51b2aee742f7caeaa9520a4ea021f88869010be4ac9683fc5041247d4ffffffffffffffff01d0ffffffffffffffff01e4ffffffffffffffff01efffffffffffffffff01efffffffffffffffff01ddffffffffffffffff01d4ffffffffffffffff812b1a10c4765aa320b4c504a89d5185acafa51b221fd1ffffffffffffffff01cbffffffffffffffff012bffffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "raw_bytes": "0a1cacafa51b2aee742f7caeaa9520a4ea021f88869010be4ac9683fc5041247d4ffffffffffffffff01d0ffffffffffffffff01e4ffffffffffffffff01efffffffffffffffff01efffffffffffffffff01ddffffffffffffffff01d4ffffffffffffffff812b1a10c4765aa320b4c504a89d5185acafa51b221fd1ffffffffffffffff01cbffffffffffffffff012bffffffffffffffffff01", "type": "decode_error", "portnum": "TRACEROUTE_APP", "decode_error": "RouteDiscovery decode error: Error parsing message with type 'meshtastic.protobuf.RouteDiscovery'" } } } }

Raw Packet Data (154 bytes)

Hex Analysis:

Size:	154 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.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Hops	Channel	Timestamp	Actions
SYSXX YGW8 (SXY8) Primary	0.000s Reference	Unknown	11.25 dB	3	MediumFast	2026-07-27 21:25:32	Current
RN3ABX Georgy 2 (ABX2)	-0.493s Before	-120.0 dBm	-7.00 dB	4	MediumFast	2026-07-27 21:25:31	View
Aster-02 (AST2)	-0.132s Before	-95.0 dBm	-5.00 dB	5	MediumFast	2026-07-27 21:25:32	View
Medved GW8 (MED8)	+5.569s After	-87.0 dBm	4.25 dB	5	MediumFast	2026-07-27 21:25:37	View

4

Total Receptions

4

Unique Gateways

Packet #19975366 Success