Packet #2176491 Success

TRACEROUTE_APP packet from Meshtastic 4a50 (4a50) to Meshtastic 4f9c (4f9c)

13
Total Receptions
13
Unique Gateways
2
Hop Count
32
Payload Bytes
Packet Information
Database ID: 2176491
Mesh Packet ID: 0x1ea5d198
Used for correlation across gateways
Timestamp: 2025-06-28 21:45:50 UTC
From Node: Meshtastic 4a50 (4a50)
To Node: Meshtastic 4f9c (4f9c)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Fenix (Feni)
Channel: LongFast
RSSI: -111 dBm
SNR: -7.0 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: TRACEROUTE_APP
Size: 32 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Sierra norte Madrid ⛰️ (SNM) → !db2faa70
Hop Count: 1 hops
Status: Incomplete - Final destination not reached
SNR Towards: -11.0 dB -16.0 dB
Route Visualization

Loading route map...

Map shows the geographic path if nodes have shared location data.
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic 4a50 (4a50) Sierra norte Madrid ⛰️ (SNM) 28.75 km -11.0 dB Origin Hops
2 Sierra norte Madrid ⛰️ (SNM) !db2faa70 Unknown -16.0 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
28.75 km
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
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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:!bfa953fc
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 4
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

FieldValue
gateway_id !bfa953fc
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

FieldValueType
from 1471040080
Source node ID 		uint32
to 4020391836
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 32 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -111.0 dBm
Signal strength at gateway 		int32
rx_snr -7.00 dB
Signal quality at gateway 		float
rx_time 1751147149
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 1751147150.0072672
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: !bfa953fc
Signal Metrics: RSSI: -111.0 dBm
SNR: -7.00 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": [ 1129719940, 3677334128 ], "snr_towards": [ -11.0, -16.0 ], "route_back": [], "snr_back": [], "route_node_names": { "3677334128": "!db2faa70", "4020391836": "Meshtastic 4f9c (4f9c)", "1471040080": "Meshtastic 4a50 (4a50)", "1129719940": "Sierra norte Madrid ⛰️ (SNM)" }, "traceroute_packet": { "packet_data": { "id": 2176491, "timestamp": 1751147150.0072672, "from_node_id": 1471040080, "to_node_id": 4020391836, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!bfa953fc", "channel_id": "LongFast", "mesh_packet_id": 514183576, "rssi": -111, "snr": -7.0, "hop_limit": 2, "hop_start": 4, "payload_length": 32, "processed_successfully": 1, "raw_payload": "0a088428564370aa2fdb1214d4ffffffffffffffff01c0ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1751147149, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "timestamp_str": "2025-06-28 21:45:50", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Meshtastic 4a50 (4a50)", "to_node_name": "Meshtastic 4f9c (4f9c)", "gateway_name": "Fenix (Feni)", "gateway_location": { "node_id": 3215545340, "latitude": 40.4332544, "longitude": -3.6888576, "altitude": 700, "timestamp": 1752859759.6785917, "timestamp_str": "2025-07-18 17:29:19", "display_name": "Fenix", "long_name": "Fenix", "short_name": "Feni", "hw_model": "HELTEC_V2_0" } }, "resolve_names": true, "packet_id": 2176491, "from_node_id": 1471040080, "to_node_id": 4020391836, "timestamp": 1751147150.0072672, "gateway_id": "!bfa953fc", "raw_payload": "0a088428564370aa2fdb1214d4ffffffffffffffff01c0ffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "Meshtastic 4a50 (4a50)", "to_node_name": "!efa24f9c", "route_data": { "route_nodes": [ 1129719940, 3677334128 ], "snr_towards": [ -11.0, -16.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 1471040080, 1129719940, 3677334128 ], "node_names": [ "Meshtastic 4a50 (4a50)", "Sierra norte Madrid ⛰️ (SNM)", "!db2faa70" ], "snr_values": [ -11.0, -16.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1471040080, "to_node_id": 1129719940, "from_node_name": "Meshtastic 4a50 (4a50)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -11.0, "direction": "forward", "is_target_hop": false, "distance_meters": 28754.63087705918, "from_location_timestamp": 1751144740.3148088, "to_location_timestamp": 1751138561.5377734, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 2.4h ago" }, { "hop_number": 2, "from_node_id": 1129719940, "to_node_id": 3677334128, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "!db2faa70", "snr": -16.0, "direction": "forward", "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 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 1471040080, 1129719940, 3677334128 ], "node_names": [ "Meshtastic 4a50 (4a50)", "Sierra norte Madrid ⛰️ (SNM)", "!db2faa70" ], "snr_values": [ -11.0, -16.0 ], "hops": [ { "hop_number": 1, "from_node_id": 1471040080, "to_node_id": 1129719940, "from_node_name": "Meshtastic 4a50 (4a50)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -11.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 28754.63087705918, "from_location_timestamp": 1751144740.3148088, "to_location_timestamp": 1751138561.5377734, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 2.4h ago" }, { "hop_number": 2, "from_node_id": 1129719940, "to_node_id": 3677334128, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "!db2faa70", "snr": -16.0, "direction": "forward_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": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Meshtastic 4a50 (4a50) → Sierra norte Madrid ⛰️ (SNM) → !db2faa70", "return_path_display": null, "actual_rf_path_display": "Meshtastic 4a50 (4a50) → Sierra norte Madrid ⛰️ (SNM) → !db2faa70", "forward_hops": [ { "hop_number": 1, "from_node_id": 1471040080, "to_node_id": 1129719940, "from_node_name": "Meshtastic 4a50 (4a50)", "to_node_name": "Sierra norte Madrid ⛰️ (SNM)", "snr": -11.0, "direction": "forward", "is_target_hop": false, "distance_meters": 28754.63087705918, "from_location_timestamp": 1751144740.3148088, "to_location_timestamp": 1751138561.5377734, "from_location_age_warning": "from 0.7h ago", "to_location_age_warning": "from 2.4h ago" }, { "hop_number": 2, "from_node_id": 1129719940, "to_node_id": 3677334128, "from_node_name": "Sierra norte Madrid ⛰️ (SNM)", "to_node_name": "!db2faa70", "snr": -16.0, "direction": "forward", "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" } ], "return_hops": [], "total_forward_distance": 28754.63087705918, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!bfa953fc", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1471040080, "to": 4020391836, "id": 514183576, "rx_time": 1751147149, "rx_snr": -7.0, "rx_rssi": -111, "hop_limit": 2, "hop_start": 4, "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": "0a088428564370aa2fdb1214d4ffffffffffffffff01c0ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1129719940, 3677334128 ], "snr_towards": [ -44, -64 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (32 bytes)
0a088428564370aa2fdb1214d4ffffffffffffffff01c0ffffffffffffffff01
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.
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
Fenix (Feni) Primary 0.000s
Reference 		-111.0 dBm -7.00 dB 2 LongFast 2025-06-28 21:45:50 Current
Perseo 🗼 (nvm1) -1.670s
Before 		-113.0 dBm -17.00 dB 1 LongFast 2025-06-28 21:45:48 View
Meshtastic c498📡🌐 (C498) -1.632s
Before 		-125.0 dBm -18.75 dB 1 LongFast 2025-06-28 21:45:48 View
[TLGO] Base 📡🌐 (TLG0) -1.591s
Before 		-111.0 dBm -8.50 dB 1 LongFast 2025-06-28 21:45:48 View
GRN1-Base📡🌐 (GRN1) -1.585s
Before 		-109.0 dBm -2.25 dB 1 LongFast 2025-06-28 21:45:48 View
Villalbilla02 (VBV2) -1.305s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-06-28 21:45:48 View
Wake Up, Neo...📡 (NEO) -0.583s
Before 		-89.0 dBm 1.75 dB 2 LongFast 2025-06-28 21:45:49 View
Vito 📟📡 (VTO) +1.069s
After 		-111.0 dBm -6.75 dB 2 LongFast 2025-06-28 21:45:51 View
Zion 🗼 (Zion) +2.003s
After 		-107.0 dBm -19.25 dB 3 LongFast 2025-06-28 21:45:52 View
Mec Rocket Meco (MRM) +2.531s
After 		-119.0 dBm -12.00 dB 1 LongFast 2025-06-28 21:45:52 View
pipeline (pipe) +2.800s
After 		-123.0 dBm -11.00 dB 1 LongFast 2025-06-28 21:45:52 View
Aldinra_1640_🗼🌐 (AldB) +4.107s
After 		-125.0 dBm -18.25 dB 4 LongFast 2025-06-28 21:45:54 View
Torrejon de ardoz Node (5b30) +5.129s
After 		-124.0 dBm -14.75 dB 4 LongFast 2025-06-28 21:45:55 View
13

Total Receptions

13

Unique Gateways