Packet #3933997 Success

TRACEROUTE_APP packet from T114Aleja-CL-868📱 (ALFA) to EB3FWC-Girona📡-GW-868 (EB3F)

6
Total Receptions
6
Unique Gateways
2
Hop Count
32
Payload Bytes
Packet Information
Database ID: 3933997
Mesh Packet ID: 0x28cf1676
Used for correlation across gateways
Timestamp: 2025-07-17 02:53:17 UTC
From Node: T114Aleja-CL-868📱 (ALFA)
To Node: EB3FWC-Girona📡-GW-868 (EB3F)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Rubí - FCS (FCS)
Channel: LongFast
RSSI: -107 dBm
SNR: -17.75 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: Meshtastic 2757 (2757) → Meshtastic Fab (Fab)
Hop Count: 1 hops
Status: Incomplete - Final destination not reached
SNR Towards: -14.5 dB -15.75 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 T114Aleja-CL-868📱 (ALFA) Meshtastic 2757 (2757) 4.37 km -14.5 dB Origin Hops
2 Meshtastic 2757 (2757) Meshtastic Fab (Fab) 6.99 km -15.75 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
11.36 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
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:32 bytes
Gateway:!db2f1578
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 !db2f1578
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 4108118185
Source node ID 		uint32
to 1127931708
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 -107.0 dBm
Signal strength at gateway 		int32
rx_snr -17.75 dB
Signal quality at gateway 		float
rx_time 1752720796
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 76
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752720797.118252
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: !db2f1578
Signal Metrics: RSSI: -107.0 dBm
SNR: -17.75 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": [ 3868403543, 2224696140 ], "snr_towards": [ -14.5, -15.75 ], "route_back": [], "snr_back": [], "route_node_names": { "4108118185": "T114Aleja-CL-868📱 (ALFA)", "2224696140": "Meshtastic Fab (Fab)", "1127931708": "EB3FWC-Girona📡-GW-868 (EB3F)", "3868403543": "Meshtastic 2757 (2757)" }, "traceroute_packet": { "packet_data": { "id": 3933997, "timestamp": 1752720797.118252, "from_node_id": 4108118185, "to_node_id": 1127931708, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!db2f1578", "channel_id": "LongFast", "mesh_packet_id": 684660342, "rssi": -107, "snr": -17.75, "hop_limit": 2, "hop_start": 4, "payload_length": 32, "processed_successfully": 1, "raw_payload": "0a08572793e64c2b9a841214c6ffffffffffffffff01c1ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1752720796, "pki_encrypted": 0, "next_hop": 0, "relay_node": 76, "tx_after": 0, "timestamp_str": "2025-07-17 02:53:17", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "T114Aleja-CL-868📱 (ALFA)", "to_node_name": "EB3FWC-Girona📡-GW-868 (EB3F)", "gateway_name": "Rubí - FCS (FCS)", "gateway_location": null }, "resolve_names": true, "packet_id": 3933997, "from_node_id": 4108118185, "to_node_id": 1127931708, "timestamp": 1752720797.118252, "gateway_id": "!db2f1578", "raw_payload": "0a08572793e64c2b9a841214c6ffffffffffffffff01c1ffffffffffffffff01", "hop_limit": 2, "hop_start": 4, "from_node_name": "T114Aleja-CL-868📱 (ALFA)", "to_node_name": "!433adf3c", "route_data": { "route_nodes": [ 3868403543, 2224696140 ], "snr_towards": [ -14.5, -15.75 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 4108118185, 3868403543, 2224696140 ], "node_names": [ "T114Aleja-CL-868📱 (ALFA)", "Meshtastic 2757 (2757)", "Meshtastic Fab (Fab)" ], "snr_values": [ -14.5, -15.75 ], "hops": [ { "hop_number": 1, "from_node_id": 4108118185, "to_node_id": 3868403543, "from_node_name": "T114Aleja-CL-868📱 (ALFA)", "to_node_name": "Meshtastic 2757 (2757)", "snr": -14.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4366.458347132541, "from_location_timestamp": 1752712026.6866074, "to_location_timestamp": 1752718511.7029154, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.6h ago" }, { "hop_number": 2, "from_node_id": 3868403543, "to_node_id": 2224696140, "from_node_name": "Meshtastic 2757 (2757)", "to_node_name": "Meshtastic Fab (Fab)", "snr": -15.75, "direction": "forward", "is_target_hop": false, "distance_meters": 6992.125368771181, "from_location_timestamp": 1752718511.7029154, "to_location_timestamp": 1752719515.6569438, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 0.4h ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 4108118185, 3868403543, 2224696140 ], "node_names": [ "T114Aleja-CL-868📱 (ALFA)", "Meshtastic 2757 (2757)", "Meshtastic Fab (Fab)" ], "snr_values": [ -14.5, -15.75 ], "hops": [ { "hop_number": 1, "from_node_id": 4108118185, "to_node_id": 3868403543, "from_node_name": "T114Aleja-CL-868📱 (ALFA)", "to_node_name": "Meshtastic 2757 (2757)", "snr": -14.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 4366.458347132541, "from_location_timestamp": 1752712026.6866074, "to_location_timestamp": 1752718511.7029154, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.6h ago" }, { "hop_number": 2, "from_node_id": 3868403543, "to_node_id": 2224696140, "from_node_name": "Meshtastic 2757 (2757)", "to_node_name": "Meshtastic Fab (Fab)", "snr": -15.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 6992.125368771181, "from_location_timestamp": 1752718511.7029154, "to_location_timestamp": 1752719515.6569438, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 0.4h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "T114Aleja-CL-868📱 (ALFA) → Meshtastic 2757 (2757) → Meshtastic Fab (Fab)", "return_path_display": null, "actual_rf_path_display": "T114Aleja-CL-868📱 (ALFA) → Meshtastic 2757 (2757) → Meshtastic Fab (Fab)", "forward_hops": [ { "hop_number": 1, "from_node_id": 4108118185, "to_node_id": 3868403543, "from_node_name": "T114Aleja-CL-868📱 (ALFA)", "to_node_name": "Meshtastic 2757 (2757)", "snr": -14.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4366.458347132541, "from_location_timestamp": 1752712026.6866074, "to_location_timestamp": 1752718511.7029154, "from_location_age_warning": "from 2.4h ago", "to_location_age_warning": "from 0.6h ago" }, { "hop_number": 2, "from_node_id": 3868403543, "to_node_id": 2224696140, "from_node_name": "Meshtastic 2757 (2757)", "to_node_name": "Meshtastic Fab (Fab)", "snr": -15.75, "direction": "forward", "is_target_hop": false, "distance_meters": 6992.125368771181, "from_location_timestamp": 1752718511.7029154, "to_location_timestamp": 1752719515.6569438, "from_location_age_warning": "from 0.6h ago", "to_location_age_warning": "from 0.4h ago" } ], "return_hops": [], "total_forward_distance": 11358.583715903722, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2f1578", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4108118185, "to": 1127931708, "id": 684660342, "rx_time": 1752720796, "rx_snr": -17.75, "rx_rssi": -107, "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": 76, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08572793e64c2b9a841214c6ffffffffffffffff01c1ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 3868403543, 2224696140 ], "snr_towards": [ -58, -63 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (32 bytes)
0a08572793e64c2b9a841214c6ffffffffffffffff01c1ffffffffffffffff01
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
Rubí - FCS (FCS) Primary 0.000s
Reference 		-107.0 dBm -17.75 dB 2 LongFast 2025-07-17 02:53:17 Current
Cardedeu-GW-868 (GC) +0.116s
After 		-133.0 dBm -10.25 dB 2 LongFast 2025-07-17 02:53:17 View
MontcadaCentro-CL-868🗼🌐 (d9e8) +1.291s
After 		-111.0 dBm -11.00 dB 3 LongFast 2025-07-17 02:53:18 View
Rodarit 1 (e38c) +2.049s
After 		-128.0 dBm -18.50 dB 3 LongFast 2025-07-17 02:53:19 View
EB3FWC-Girona📡-GW-868 (EB3F) +15.767s
After 		-98.0 dBm -5.25 dB 3 LongFast 2025-07-17 02:53:32 View
CROQUETASTIC-CL-868 (CRQT) +16.578s
After 		-29.0 dBm 11.00 dB 4 LongFast 2025-07-17 02:53:33 View
6

Total Receptions

6

Unique Gateways