Packet #18377197 Success

NEIGHBORINFO_APP packet from SYSXX YGW8 (SXY8) to !00000001

1
Total Receptions
1
Unique Gateways
0
Hop Count
141
Payload Bytes
Packet Information
Database ID: 18377197
Mesh Packet ID: 0x379ab2b3
Used for correlation across gateways
Timestamp: 2026-06-09 23:18:45 UTC
From Node: SYSXX YGW8 (SXY8)
To Node: !00000001 (0001)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: SYSXX YGW8 (SXY8)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 141 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: SYSXX YGW8 (SXY8)
Last Sent By: SYSXX YGW8 (SXY8)
Broadcast Interval:14400 seconds
Neighbors Found:10
10

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
Gen. Glagoleva str. 868 (G868) -12.2 dB Unknown Unknown Poor
Repeater-1441 (1441) 11.8 dB Unknown Unknown Excellent
NERV_Mnevniki (NERV) 2.2 dB Unknown Unknown Good
RN3ABX Georgy 1 (ABX1) -5.8 dB Unknown Unknown Poor
Messer (MAKS) 4.0 dB Unknown Unknown Good
SYSXX OGW8 (SXG8) 10.2 dB Unknown Unknown Excellent
CryptoNightP (CRNP) 2.5 dB Unknown Unknown Good
xDream SolarBase 7d6c (7d6c) 10.8 dB Unknown Unknown Excellent
SYSXX8 (SXX8) 11.2 dB Unknown Unknown Excellent
SYSXX BGW8 (SXB8) 11.8 dB Unknown Unknown Excellent
This neighbor information was reported by SYSXX YGW8 (SXY8) and shows which nodes it can directly communicate with and their signal quality.
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:141 bytes
Gateway:!efffff02
Channel:MediumFast
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !efffff02
Node ID format
channel_id MediumFast
packet MeshPacket (141 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4026531586
Source node ID 		uint32
to 1
Target node ID 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 141 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1781036324
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 2
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1781036325.096441
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)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !efffff02
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:141 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 4026531586, "last_sent_by_id": 4026531586, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 49088900, "snr": -12.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Gen. Glagoleva str. 868 (G868)" }, { "node_id": 1400910114, "snr": 11.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Repeater-1441 (1441)" }, { "node_id": 67541100, "snr": 2.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "NERV_Mnevniki (NERV)" }, { "node_id": 2510990972, "snr": -5.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "RN3ABX Georgy 1 (ABX1)" }, { "node_id": 67713288, "snr": 4.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Messer (MAKS)" }, { "node_id": 4026531587, "snr": 10.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "SYSXX OGW8 (SXG8)" }, { "node_id": 1830837574, "snr": 2.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "CryptoNightP (CRNP)" }, { "node_id": 463699308, "snr": 10.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "xDream SolarBase 7d6c (7d6c)" }, { "node_id": 230348904, "snr": 11.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "SYSXX8 (SXX8)" }, { "node_id": 4026531585, "snr": 11.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "SYSXX BGW8 (SXB8)" } ], "neighbor_count": 10, "node_name": "SYSXX YGW8 (SXY8)", "last_sent_by_name": "SYSXX YGW8 (SXY8)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!efffff02", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4026531586, "to": 1, "id": 932885171, "rx_time": 1781036324, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 2, "tx_after": 0, "decoded": { "portnum": 71, "payload": "0882feffff0e1082feffff0e18c070220a088493b41715000044c1220b08a2e2809c051500003c41220a08ecb09a201500001040220b08fcdcaaad09150000b8c0220a0888f2a4201500008040220b0883feffff0e1500002441220b08c6ba81e9061500002040220b08ecfa8ddd011500002c41220a08e8b0eb6d1500003441220b0881feffff0e1500003c41", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 4026531586, "last_sent_by_id": 4026531586, "node_broadcast_interval_secs": 14400, "neighbors": [ { "node_id": 49088900, "snr": -12.25 }, { "node_id": 1400910114, "snr": 11.75 }, { "node_id": 67541100, "snr": 2.25 }, { "node_id": 2510990972, "snr": -5.75 }, { "node_id": 67713288, "snr": 4.0 }, { "node_id": 4026531587, "snr": 10.25 }, { "node_id": 1830837574, "snr": 2.5 }, { "node_id": 463699308, "snr": 10.75 }, { "node_id": 230348904, "snr": 11.25 }, { "node_id": 4026531585, "snr": 11.75 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (141 bytes)
0882feffff0e1082feffff0e18c070220a088493b41715000044c1220b08a2e2809c051500003c41220a08ecb09a201500001040220b08fcdcaaad09150000b8c0220a0888f2a4201500008040220b0883feffff0e1500002441220b08c6ba81e9061500002040220b08ecfa8ddd011500002c41220a08e8b0eb6d1500003441220b0881feffff0e1500003c41
Hex Analysis:
Size:141 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
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
SYSXX YGW8 (SXY8) Primary 0.000s
Reference 		Unknown Unknown 0 MediumFast 2026-06-09 23:18:45 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways