Packet #392944 Success

TRACEROUTE_APP packet from Meshtastic l271 (l271) to MDX1

1
Total Receptions
1
Unique Gateways
0
Hop Count
12
Payload Bytes
Packet Information
Database ID: 392944
Mesh Packet ID: 0x33bb8950
Used for correlation across gateways
Timestamp: 2025-12-14 21:31:00 UTC
From Node: Meshtastic l271 (l271)
To Node: MDX1 (9650)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Meshtastic l271 (l271)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Payload Data
Protocol: TRACEROUTE_APP
Size: 12 bytes
Decoded: Yes
Decoded Data:
Route Information
SNR Towards: -5.5 dB
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...
.traceroute-graph-container { height: 700px; width: 100%; border: 1px solid #dee2e6; border-radius: 0.375rem; position: relative; overflow: hidden; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); } /* Mobile responsiveness */ @media (max-width: 768px) { .traceroute-graph-container { height: 500px; } } /* Legend items */ .legend-item { display: flex; align-items: center; padding: 4px 6px; border-radius: 4px; cursor: pointer; transition: background-color 0.2s ease; position: relative; } .legend-item:hover { background-color: rgba(0, 123, 255, 0.1); } .legend-path-item { display: flex; align-items: center; padding: 3px 6px; border-radius: 4px; cursor: pointer; transition: all 0.2s ease; margin-bottom: 2px; border-left: 3px solid transparent; } .legend-path-item:hover { background-color: rgba(0, 0, 0, 0.05); transform: translateX(2px); } .legend-path-item.highlighted { background-color: rgba(0, 123, 255, 0.15); border-left-color: var(--path-color, #007bff); } .legend-path-color { width: 16px; height: 3px; margin-right: 8px; border-radius: 2px; flex-shrink: 0; } .legend-path-info { flex: 1; min-width: 0; } .legend-path-title { font-size: 0.75rem; font-weight: 600; margin-bottom: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .legend-path-details { font-size: 0.65rem; color: #6c757d; line-height: 1.2; } /* Tooltip styles */ .legend-tooltip { position: absolute; background: rgba(0, 0, 0, 0.9); color: white; padding: 8px 12px; border-radius: 6px; font-size: 0.75rem; pointer-events: none; z-index: 1000; max-width: 250px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); opacity: 0; transition: opacity 0.2s ease; white-space: nowrap; } .traceroute-graph-container svg { cursor: grab; } .traceroute-graph-container svg:active { cursor: grabbing; } .graph-tooltip { position: absolute; background: rgba(0, 0, 0, 0.95); color: white; padding: 12px 16px; border-radius: 8px; font-size: 13px; pointer-events: none; z-index: 1000; max-width: 400px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3); line-height: 1.5; border: 1px solid rgba(255, 255, 255, 0.1); } .graph-tooltip .tooltip-title { font-weight: bold; margin-bottom: 8px; color: #fff; font-size: 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.2); padding-bottom: 4px; } .graph-tooltip .tooltip-content { color: #e0e0e0; } .graph-tooltip .tooltip-badge { display: inline-block; background: rgba(255, 255, 255, 0.2); padding: 2px 6px; border-radius: 4px; font-size: 11px; margin: 2px 4px 2px 0; } .node-circle { cursor: pointer; transition: all 0.3s ease; filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2)); } .node-circle:hover { stroke-width: 4px !important; filter: drop-shadow(2px 2px 8px rgba(0,0,0,0.4)) brightness(1.1); transform: scale(1.1); } .node-router { fill: #4a90e2; stroke: #2c5aa0; } .node-gateway { fill: #28a745; stroke: #1e7e34; } .node-gateway-router { fill: url(#gatewayRouterGradient); stroke: #1e7e34; } .node-source { fill: #ff6b35 !important; stroke: #d63031 !important; stroke-width: 4px !important; } .node-target { fill: #6c5ce7 !important; stroke: #5f3dc4 !important; stroke-width: 4px !important; } .link-line { transition: all 0.3s ease; cursor: pointer; filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.1)); } .link-line:hover { stroke-width: 8px !important; filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.3)); } .gateway-connection { stroke-dasharray: 5,5; stroke: #17a2b8; stroke-width: 2; opacity: 0.7; } .gateway-connection:hover { opacity: 1; stroke-width: 4; } .gateway-connection-zero-hop { stroke-dasharray: 2,2; stroke: #fd7e14; stroke-width: 2; opacity: 0.7; } .gateway-connection-zero-hop:hover { opacity: 1; stroke-width: 4; } .path-line { fill: none; stroke-width: 4; opacity: 0.8; transition: all 0.3s ease; pointer-events: none; filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.2)); } .path-line:hover { opacity: 1; stroke-width: 6; } .node-label { pointer-events: none; user-select: none; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-weight: 600; text-shadow: 1px 1px 2px rgba(255,255,255,0.8); font-size: 11px; } .link-label { pointer-events: none; user-select: none; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-weight: bold; text-shadow: 1px 1px 2px rgba(255,255,255,0.9); font-size: 10px; } /* Old path legend CSS removed - now using sidebar legend */ .modal-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 9999; cursor: pointer; } .modal-content { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: white; border: 1px solid #ccc; border-radius: 12px; padding: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.3); z-index: 10000; max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; cursor: default; }
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:12 bytes
Gateway:!6983e4d4
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6983e4d4
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (12 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770251476
Source node ID 		uint32
to 1770362448
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 12 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
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 1765733460
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority 70
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 212
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765733460.3568056
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Want ack: True
Gateway ID: !6983e4d4
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:12 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [], "snr_towards": [ -5.5 ], "route_back": [], "snr_back": [], "route_node_names": { "1770362448": "MDX1", "1770251476": "Meshtastic l271 (l271)" }, "traceroute_packet": { "packet_data": { "id": 392944, "timestamp": 1765733460.3568056, "from_node_id": 1770251476, "to_node_id": 1770362448, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!6983e4d4", "channel_id": "LongFast", "mesh_packet_id": 867928400, "rssi": 0, "snr": 0.0, "hop_limit": 2, "hop_start": 2, "payload_length": 12, "processed_successfully": 1, "raw_payload": "120aeaffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "rx_time": 1765733460, "pki_encrypted": 0, "next_hop": 0, "relay_node": 212, "tx_after": 0, "timestamp_str": "2025-12-14 21:31:00", "hop_count": 0, "has_payload": true, "success": 1, "from_node_name": "Meshtastic l271 (l271)", "to_node_name": "MDX1", "gateway_name": "Meshtastic l271 (l271)", "gateway_location": { "node_id": 1770251476, "latitude": 51.511296, "longitude": 46.1635584, "altitude": null, "timestamp": 1765814191.3902268, "timestamp_str": "2025-12-15 19:56:31", "display_name": "Meshtastic l271", "long_name": "Meshtastic l271", "short_name": "l271", "hw_model": "HELTEC_V4" } }, "resolve_names": true, "packet_id": 392944, "from_node_id": 1770251476, "to_node_id": 1770362448, "timestamp": 1765733460.3568056, "gateway_id": "!6983e4d4", "raw_payload": "120aeaffffffffffffffff01", "hop_limit": 2, "hop_start": 2, "from_node_name": "Meshtastic l271 (l271)", "to_node_name": "MDX1", "route_data": { "route_nodes": [], "snr_towards": [ -5.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 1770251476 ], "node_names": [ "Meshtastic l271 (l271)" ], "snr_values": [ -5.5 ], "hops": [], "is_complete": false, "total_hops": 0 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 1770251476, 1770362448 ], "node_names": [ "Meshtastic l271 (l271)", "MDX1" ], "snr_values": [ -5.5 ], "hops": [ { "hop_number": 1, "from_node_id": 1770251476, "to_node_id": 1770362448, "from_node_name": "Meshtastic l271 (l271)", "to_node_name": "MDX1", "snr": -5.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 8525.125983231708, "from_location_timestamp": 1765701157.7993581, "to_location_timestamp": 1765725643.1058612, "from_location_age_warning": "from 9.0h ago", "to_location_age_warning": "from 2.2h ago" } ], "is_complete": true, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Meshtastic l271 (l271)", "return_path_display": null, "actual_rf_path_display": "Meshtastic l271 (l271) → MDX1", "forward_hops": [], "return_hops": [], "total_forward_distance": null, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6983e4d4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770251476, "to": 1770362448, "id": 867928400, "rx_time": 1765733460, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 1, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 212, "tx_after": 0, "decoded": { "portnum": 70, "payload": "120aeaffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "snr_towards": [ -22 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (12 bytes)
120aeaffffffffffffffff01
Hex Analysis:
Size:12 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
Meshtastic l271 (l271) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-12-14 21:31:00 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways