Packet #729032

Database ID:	729032
Mesh Packet ID:	`0x4117876e` Used for correlation across gateways
Timestamp:	2026-04-05 12:02:32 UTC
From Node:	Verdandi (VERD)
To Node:	!00000001 (0001)
Success:	Processed
Protocol:	NEIGHBORINFO_APP Port: 71

Gateway:	Verdandi (VERD)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	7/7 hops Start: 7, Limit: 0
Relay Node:	`7b` VERD Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Reporting Node:	Verdandi (VERD)
Last Sent By:	Verdandi (VERD)
Broadcast Interval:	14400 seconds
Neighbors Found:	5

Neighbor Node	SNR	Last Heard	Broadcast Interval	Signal Quality
Sandwich 🥪 (SNDW)	-9.2 dB	Unknown	Unknown	Poor
Padshtuber (pad)	6.2 dB	Unknown	Unknown	Excellent
!04068e94 (8e94)	0.2 dB	Unknown	Unknown	Good
Meshtastic 9454 (9454)	-11.0 dB	Unknown	Unknown	Poor
Sandwich (sndw)	-4.0 dB	Unknown	Unknown	Fair

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:	79 bytes
Gateway:	!314e547b
Channel:	LongFast
Payload Type:	NEIGHBORINFO_APP
Hop Count:	7 / 7

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!314e547b` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (79 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`827217019` Source node ID	uint32
`to`	`1` Target node ID	uint32
`decoded.portnum`	`NEIGHBORINFO_APP` NEIGHBORINFO_APP	enum
`decoded.payload_length`	`79` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`7` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1775390541` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`BACKGROUND` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`8` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`123` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	Not set	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)
✓ Targeted to specific node
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (7 hops)

MQTT-Specific Fields

Gateway ID: !314e547b

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NEIGHBORINFO_APP
Size:	79 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "node_id": 827217019, "last_sent_by_id": 827217019, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 2665974456, "snr": -9.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Sandwich 🥪 (SNDW)" }, { "node_id": 2896874040, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Padshtuber (pad)" }, { "node_id": 67538580, "snr": 0.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "!04068e94" }, { "node_id": 1771803732, "snr": -11.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 9454 (9454)" }, { "node_id": 863078804, "snr": -4.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Sandwich (sndw)" } ], "neighbor_count": 5, "node_name": "Verdandi (VERD)", "last_sent_by_name": "Verdandi (VERD)" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 827217019, "to": 1, "channel": 8, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CPuouYoDEPuouYoDGMBwIgsIuJWe9wkVAAAUwSILCLiUq+UKFQAAyEAiCgiUnZogFQAAgD4iCwjUqO7MBhUAADDBIgsIlJPGmwMVAACAwA==", "bitfield": 1 }, "id": 1092061038, "rx_time": 1775390541, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 123 }, "channel_id": "LongFast", "gateway_id": "!314e547b" }, "mesh_packet": { "from": 827217019, "to": 1, "channel": 8, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CPuouYoDEPuouYoDGMBwIgsIuJWe9wkVAAAUwSILCLiUq+UKFQAAyEAiCgiUnZogFQAAgD4iCwjUqO7MBhUAADDBIgsIlJPGmwMVAACAwA==", "bitfield": 1, "parsed_payload": { "node_id": 827217019, "last_sent_by_id": 827217019, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 2665974456, "snr": -9.25 }, { "node_id": 2896874040, "snr": 6.25 }, { "node_id": 67538580, "snr": 0.25 }, { "node_id": 1771803732, "snr": -11.0 }, { "node_id": 863078804, "snr": -4.0 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 1092061038, "rx_time": 1775390541, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 123 } }

Raw Packet Data (79 bytes)

08fba8b98a0310fba8b98a0318c070220b08b8959ef70915000014c1220b08b894abe50a150000c840220a08949d9a20150000803e220b08d4a8eecc0615000030c1220b089493c69b0315000080c0

Hex Analysis:

Size:	79 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 #729032 Success

Packet Information

Payload Data

Decoded Data:

Neighbor Information Report

5

Neighbor Details