Packet #816979 Success

TRACEROUTE_APP packet from Oscar (LOTC) to Meshtastic e97c (e97c)

1
Total Receptions
1
Unique Gateways
2
Hop Count
51
Payload Bytes
Packet Information
Database ID: 816979
Mesh Packet ID: 0x738b5102
Used for correlation across gateways
Timestamp: 2025-06-14 15:47:37 UTC
From Node: Oscar (LOTC)
To Node: Meshtastic e97c (e97c)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: EB3FWC-Girona📡-GW-868 (EB3F)
Channel: LongFast
RSSI: -96 dBm
SNR: -4.0 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Payload Data
Protocol: TRACEROUTE_APP
Size: 51 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: !ffffffff
Hop Count: 0 hops
Status: Forward incomplete, Return in progress
SNR Towards: -32.0 dB 0.25 dB
Return Path: ROUTER MONTSENY ⛰️📡))) (RMON) → ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)
SNR Back: -6.5 dB -19.25 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic e97c (e97c) !ffffffff Unknown -32.0 dB Origin Hops
2 !ffffffff Oscar (LOTC) Unknown 0.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Oscar (LOTC) ROUTER MONTSENY ⛰️📡))) (RMON) Unknown -6.5 dB Return Start Hops
2 ROUTER MONTSENY ⛰️📡))) (RMON) ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴) Unknown -19.25 dB Return End Hops
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:51 bytes
Gateway:!433adf3c
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 3
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 !433adf3c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (51 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2224771816
Source node ID 		uint32
to 3758942588
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 51 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -96.0 dBm
Signal strength at gateway 		int32
rx_snr -4.00 dB
Signal quality at gateway 		float
rx_time 1749916054
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 1749916057.0303965
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: !433adf3c
Signal Metrics: RSSI: -96.0 dBm
SNR: -4.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:51 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 4294967295 ], "snr_towards": [ -32.0, 0.25 ], "route_back": [ 1044606863, 3896113611 ], "snr_back": [ -6.5, -19.25 ], "route_node_names": { "2224771816": "Oscar (LOTC)", "3896113611": "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "1044606863": "ROUTER MONTSENY ⛰️📡))) (RMON)", "3758942588": "Meshtastic e97c (e97c)", "4294967295": "!ffffffff" }, "traceroute_packet": { "packet_data": { "id": 816979, "timestamp": 1749916057.0303965, "from_node_id": 2224771816, "to_node_id": 3758942588, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!433adf3c", "channel_id": "LongFast", "mesh_packet_id": 1938510082, "rssi": -96, "snr": -4.0, "hop_limit": 1, "hop_start": 3, "payload_length": 51, "processed_successfully": 1, "raw_payload": "0a04ffffffff120b80ffffffffffffffff01011a088f6f433ecbf939e82214e6ffffffffffffffff01b3ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1749916054, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "timestamp_str": "2025-06-14 15:47:37", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Oscar (LOTC)", "to_node_name": "Meshtastic e97c (e97c)", "gateway_name": "EB3FWC-Girona📡-GW-868 (EB3F)", "gateway_location": { "node_id": 1127931708, "latitude": 41.967402, "longitude": 2.816101, "altitude": 76, "timestamp": 1752781507.4737701, "timestamp_str": "2025-07-17 19:45:07", "display_name": "EB3FWC-Girona📡-GW-868", "long_name": "EB3FWC-Girona📡-GW-868", "short_name": "EB3F", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 816979, "from_node_id": 2224771816, "to_node_id": 3758942588, "timestamp": 1749916057.0303965, "gateway_id": "!433adf3c", "raw_payload": "0a04ffffffff120b80ffffffffffffffff01011a088f6f433ecbf939e82214e6ffffffffffffffff01b3ffffffffffffffff01", "hop_limit": 1, "hop_start": 3, "from_node_name": "Oscar (LOTC)", "to_node_name": "Meshtastic e97c (e97c)", "route_data": { "route_nodes": [ 4294967295 ], "snr_towards": [ -32.0, 0.25 ], "route_back": [ 1044606863, 3896113611 ], "snr_back": [ -6.5, -19.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 3758942588, 4294967295, 2224771816 ], "node_names": [ "Meshtastic e97c (e97c)", "!ffffffff", "Oscar (LOTC)" ], "snr_values": [ -32.0, 0.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3758942588, "to_node_id": 4294967295, "from_node_name": "Meshtastic e97c (e97c)", "to_node_name": "!ffffffff", "snr": -32.0, "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" }, { "hop_number": 2, "from_node_id": 4294967295, "to_node_id": 2224771816, "from_node_name": "!ffffffff", "to_node_name": "Oscar (LOTC)", "snr": 0.25, "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": { "path_type": "return", "node_ids": [ 2224771816, 1044606863, 3896113611 ], "node_names": [ "Oscar (LOTC)", "ROUTER MONTSENY ⛰️📡))) (RMON)", "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)" ], "snr_values": [ -6.5, -19.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2224771816, "to_node_id": 1044606863, "from_node_name": "Oscar (LOTC)", "to_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "snr": -6.5, "direction": "return", "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" }, { "hop_number": 2, "from_node_id": 1044606863, "to_node_id": 3896113611, "from_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "to_node_name": "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "snr": -19.25, "direction": "return", "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 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 3758942588, 4294967295, 2224771816, 1044606863, 3896113611 ], "node_names": [ "Meshtastic e97c (e97c)", "!ffffffff", "Oscar (LOTC)", "ROUTER MONTSENY ⛰️📡))) (RMON)", "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)" ], "snr_values": [ -32.0, 0.25, -6.5, -19.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3758942588, "to_node_id": 4294967295, "from_node_name": "Meshtastic e97c (e97c)", "to_node_name": "!ffffffff", "snr": -32.0, "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" }, { "hop_number": 2, "from_node_id": 4294967295, "to_node_id": 2224771816, "from_node_name": "!ffffffff", "to_node_name": "Oscar (LOTC)", "snr": 0.25, "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" }, { "hop_number": 3, "from_node_id": 2224771816, "to_node_id": 1044606863, "from_node_name": "Oscar (LOTC)", "to_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "snr": -6.5, "direction": "return_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" }, { "hop_number": 4, "from_node_id": 1044606863, "to_node_id": 3896113611, "from_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "to_node_name": "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "snr": -19.25, "direction": "return_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": 4 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Meshtastic e97c (e97c) → !ffffffff → Oscar (LOTC)", "return_path_display": "Oscar (LOTC) → ROUTER MONTSENY ⛰️📡))) (RMON) → ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "actual_rf_path_display": "Meshtastic e97c (e97c) → !ffffffff → Oscar (LOTC) → ROUTER MONTSENY ⛰️📡))) (RMON) → ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "forward_hops": [ { "hop_number": 1, "from_node_id": 3758942588, "to_node_id": 4294967295, "from_node_name": "Meshtastic e97c (e97c)", "to_node_name": "!ffffffff", "snr": -32.0, "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" }, { "hop_number": 2, "from_node_id": 4294967295, "to_node_id": 2224771816, "from_node_name": "!ffffffff", "to_node_name": "Oscar (LOTC)", "snr": 0.25, "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": [ { "hop_number": 1, "from_node_id": 2224771816, "to_node_id": 1044606863, "from_node_name": "Oscar (LOTC)", "to_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "snr": -6.5, "direction": "return", "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" }, { "hop_number": 2, "from_node_id": 1044606863, "to_node_id": 3896113611, "from_node_name": "ROUTER MONTSENY ⛰️📡))) (RMON)", "to_node_name": "ROUTER SANTA MAGDALENA ⛰️📡🌍 (∴)", "snr": -19.25, "direction": "return", "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" } ], "total_forward_distance": 0, "total_return_distance": 0 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433adf3c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224771816, "to": 3758942588, "id": 1938510082, "rx_time": 1749916054, "rx_snr": -4.0, "rx_rssi": -96, "hop_limit": 1, "hop_start": 3, "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": "0a04ffffffff120b80ffffffffffffffff01011a088f6f433ecbf939e82214e6ffffffffffffffff01b3ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 4294967295 ], "snr_towards": [ -128, 1 ], "route_back": [ 1044606863, 3896113611 ], "snr_back": [ -26, -77 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (51 bytes)
0a04ffffffff120b80ffffffffffffffff01011a088f6f433ecbf939e82214e6ffffffffffffffff01b3ffffffffffffffff01
Hex Analysis:
Size:51 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
EB3FWC-Girona📡-GW-868 (EB3F) Primary 0.000s
Reference 		-96.0 dBm -4.00 dB 2 LongFast 2025-06-14 15:47:37 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways