Packet #2877731 Success

TRACEROUTE_APP packet from Lv4 - Heltec V4 Green (Lv4) to Penn Plaza (Penn)

8
Total Receptions
7
Unique Gateways
2
Hop Count
23
Payload Bytes
Packet Information
Database ID: 2877731
Mesh Packet ID: 0x412d2c24
Used for correlation across gateways
Timestamp: 2025-11-29 04:14:40 UTC
From Node: Lv4 - Heltec V4 Green (Lv4)
To Node: Penn Plaza (Penn)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: nLink-NY-Jamaica1 (NLJ1)
Channel: LongFast
RSSI: -86 dBm
SNR: 4.75 dBm
Hop Info: 2/6 hops
Start: 6, Limit: 4
Relay Node: dc 9cdc
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: JLX5 - Corona Solar (JLX5) Meshtastic 9cdc (9cdc)
Hop Count: 1 hops
Status: Incomplete - Final destination not reached
SNR Towards: 6.0 dB -16.5 dB
Route Visualization
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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 Lv4 - Heltec V4 Green (Lv4) JLX5 - Corona Solar (JLX5) 2.25 km 6.0 dB Origin Hops
2 JLX5 - Corona Solar (JLX5) Meshtastic 9cdc (9cdc) 4.51 km -16.5 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
6.76 km
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details
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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:23 bytes
Gateway:!db2b2610
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 6
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 !db2b2610
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997325024
Source node ID
uint32
to 1213356233
Target node ID
uint32
decoded.portnum 70
TRACEROUTE_APP
enum
decoded.payload_length 23 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 6
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -86.0 dBm
Signal strength at gateway
int32
rx_snr 4.75 dB
Signal quality at gateway
float
rx_time 1764389782
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 220
Relay node ID
uint32
tx_after Not set uint32
timestamp 1764389680.0722945
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: !db2b2610
Signal Metrics: RSSI: -86.0 dBm
SNR: 4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3074133557, 3176111324 ], "snr_towards": [ 6.0, -16.5 ], "route_back": [], "snr_back": [], "route_node_names": { "2997325024": "Lv4 - Heltec V4 Green (Lv4)", "1213356233": "Penn Plaza (Penn)", "3176111324": "Meshtastic 9cdc (9cdc)", "3074133557": "JLX5 - Corona Solar (JLX5)" }, "traceroute_packet": { "packet_data": { "id": 2877731, "timestamp": 1764389680.0722945, "from_node_id": 2997325024, "to_node_id": 1213356233, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!db2b2610", "channel_id": "LongFast", "mesh_packet_id": 1093479460, "rssi": -86, "snr": 4.75, "hop_limit": 4, "hop_start": 6, "payload_length": 23, "processed_successfully": 1, "raw_payload": "0a08358e3bb7dc9c4fbd120b18beffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1764389782, "pki_encrypted": 0, "next_hop": 0, "relay_node": 220, "tx_after": 0, "timestamp_str": "2025-11-29 04:14:40 UTC", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "Lv4 - Heltec V4 Green (Lv4)", "to_node_name": "Penn Plaza (Penn)", "relay_hex": "dc", "relay_candidates": [ { "node_id": 3176111324, "node_name": "Meshtastic 9cdc", "hex_id": "!bd4f9cdc", "short_name": "9cdc", "last_byte": "dc" } ], "gateway_name": "nLink-NY-Jamaica1 (NLJ1)", "gateway_location": null }, "resolve_names": true, "packet_id": 2877731, "from_node_id": 2997325024, "to_node_id": 1213356233, "timestamp": 1764389680.0722945, "gateway_id": "!db2b2610", "raw_payload": "0a08358e3bb7dc9c4fbd120b18beffffffffffffffff01", "hop_limit": 4, "hop_start": 6, "from_node_name": "Lv4 - Heltec V4 Green (Lv4)", "to_node_name": "!485258c9", "route_data": { "route_nodes": [ 3074133557, 3176111324 ], "snr_towards": [ 6.0, -16.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2997325024, 3074133557, 3176111324 ], "node_names": [ "Lv4 - Heltec V4 Green (Lv4)", "JLX5 - Corona Solar (JLX5)", "Meshtastic 9cdc (9cdc)" ], "snr_values": [ 6.0, -16.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2997325024, "to_node_id": 3074133557, "from_node_name": "Lv4 - Heltec V4 Green (Lv4)", "to_node_name": "JLX5 - Corona Solar (JLX5)", "snr": 6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2254.8268110959743, "from_location_timestamp": 1764389098.597286, "to_location_timestamp": 1764383020.8515038, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 3074133557, "to_node_id": 3176111324, "from_node_name": "JLX5 - Corona Solar (JLX5)", "to_node_name": "Meshtastic 9cdc (9cdc)", "snr": -16.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4509.693569921284, "from_location_timestamp": 1764383020.8515038, "to_location_timestamp": 1763640225.9873335, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.2w ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2997325024, 3074133557, 3176111324 ], "node_names": [ "Lv4 - Heltec V4 Green (Lv4)", "JLX5 - Corona Solar (JLX5)", "Meshtastic 9cdc (9cdc)" ], "snr_values": [ 6.0, -16.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2997325024, "to_node_id": 3074133557, "from_node_name": "Lv4 - Heltec V4 Green (Lv4)", "to_node_name": "JLX5 - Corona Solar (JLX5)", "snr": 6.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 2254.8268110959743, "from_location_timestamp": 1764389098.597286, "to_location_timestamp": 1764383020.8515038, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 3074133557, "to_node_id": 3176111324, "from_node_name": "JLX5 - Corona Solar (JLX5)", "to_node_name": "Meshtastic 9cdc (9cdc)", "snr": -16.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 4509.693569921284, "from_location_timestamp": 1764383020.8515038, "to_location_timestamp": 1763640225.9873335, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.2w ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Lv4 - Heltec V4 Green (Lv4) → JLX5 - Corona Solar (JLX5) → Meshtastic 9cdc (9cdc)", "return_path_display": null, "actual_rf_path_display": "Lv4 - Heltec V4 Green (Lv4) → JLX5 - Corona Solar (JLX5) → Meshtastic 9cdc (9cdc)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2997325024, "to_node_id": 3074133557, "from_node_name": "Lv4 - Heltec V4 Green (Lv4)", "to_node_name": "JLX5 - Corona Solar (JLX5)", "snr": 6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 2254.8268110959743, "from_location_timestamp": 1764389098.597286, "to_location_timestamp": 1764383020.8515038, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 3074133557, "to_node_id": 3176111324, "from_node_name": "JLX5 - Corona Solar (JLX5)", "to_node_name": "Meshtastic 9cdc (9cdc)", "snr": -16.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4509.693569921284, "from_location_timestamp": 1764383020.8515038, "to_location_timestamp": 1763640225.9873335, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.2w ago" } ], "return_hops": [], "total_forward_distance": 6764.520381017258, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2b2610", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997325024, "to": 1213356233, "id": 1093479460, "rx_time": 1764389782, "rx_snr": 4.75, "rx_rssi": -86, "hop_limit": 4, "hop_start": 6, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 220, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a08358e3bb7dc9c4fbd120b18beffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 3074133557, 3176111324 ], "snr_towards": [ 24, -66 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (23 bytes)
0a08358e3bb7dc9c4fbd120b18beffffffffffffffff01
Hex Analysis:
Size:23 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
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Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
nLink-NY-Jamaica1 (NLJ1) Primary 0.000s
Reference
-86.0 dBm 4.75 dB 2 dc 9cdc LongFast 2025-11-29 04:14:40 UTC Current
Lv4 - Heltec V4 Green (Lv4) -23.305s
Before
Unknown Unknown 0 e0 JLOX , Lv4 LongFast 2025-11-29 04:14:16 UTC View
Lv4 - Heltec V4 Green (Lv4) -15.943s
Before
Unknown Unknown 0 e0 JLOX , Lv4 LongFast 2025-11-29 04:14:24 UTC View
MeshM0xie (M0x) +1.968s
After
-104.0 dBm -8.75 dB 3 c2 Asra LongFast 2025-11-29 04:14:42 UTC View
Gowanus Soda (p1p) +50.358s
After
-103.0 dBm Unknown 5 96 LongFast 2025-11-29 04:15:30 UTC View
Meshtastic f5c8 (f5c8) +54.055s
After
-108.0 dBm -17.00 dB 6 60 LongFast 2025-11-29 04:15:34 UTC View
Steiner Studios Tower (SST) +57.145s
After
-110.0 dBm -6.00 dB 6 bb WyCt LongFast 2025-11-29 04:15:37 UTC View
Meshtastic 631c (631c) +57.341s
After
-98.0 dBm -6.75 dB 6 bb WyCt LongFast 2025-11-29 04:15:37 UTC View
8

Total Receptions

7

Unique Gateways