Packet #576968

Database ID:	576968
Mesh Packet ID:	`0x4f0a9098` Used for correlation across gateways
Timestamp:	2026-05-09 10:09:24 UTC
From Node:	EA7-AL-002 (AL02)
To Node:	Pruebas T096 (NAN7)
Success:	Processed
Protocol:	TRACEROUTE_APP Port: 70

Gateway:	EA7 Bot 🤖 (NAN4)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	1/1 hops Start: 1, Limit: 0
Relay Node:	`f8` NAN1 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

SNR Towards:	1.25 dB
Return Path:	AL-CENTRO-GW⚡ (NAN1)
SNR Back:	-9.25 dB

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	Pruebas T096 (NAN7)	EA7-AL-002 (AL02)	19.90 km	1.25 dB	Origin	Hops
Traceroute incomplete - Final destination not reached

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	EA7-AL-002 (AL02)	AL-CENTRO-GW⚡ (NAN1)	17.92 km	-9.25 dB	Return Start	Hops

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:	21 bytes
Gateway:	!9e9d72f4
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	1 / 1

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
+ 1 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!9e9d72f4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (21 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`3764686272` Source node ID	uint32
`to`	`779049181` Target node ID	uint32
`decoded.portnum`	`TRACEROUTE_APP` TRACEROUTE_APP	enum
`decoded.payload_length`	`21` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`1` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1778321364` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	True Acknowledgment requested	bool
`priority`	`RESPONSE` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`8` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`248` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	Not set	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 (1 hops)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!9e9d72f4`

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	21 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [], "snr_towards": [ 1.25 ], "route_back": [ 80063992 ], "snr_back": [ -9.25 ], "route_node_names": { "80063992": "AL-CENTRO-GW⚡ (NAN1)", "779049181": "Pruebas T096 (NAN7)", "3764686272": "EA7-AL-002 (AL02)" }, "traceroute_packet": { "packet_data": { "id": 576968, "timestamp": 1778321364.9613352, "from_node_id": 3764686272, "to_node_id": 779049181, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!9e9d72f4", "channel_id": "LongFast", "mesh_packet_id": 1326092440, "rssi": 0, "snr": 0.0, "hop_limit": 0, "hop_start": 1, "payload_length": 21, "processed_successfully": 1, "raw_payload": "1201051a04f8adc504220adbffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 80, "delayed": 0, "channel_index": null, "rx_time": 1778321364, "pki_encrypted": 0, "next_hop": 0, "relay_node": 248, "tx_after": 0, "raw_service_envelope": "0a450dc08d64e015dd586f2e18082a20130141aa8d192a9f2958eb2d913eeffc6ad8d5154901042b45a701b1f3d64fdd3598900a4f3dd407ff695001585078019801f801a8010612084c6f6e67466173741a09213965396437326634", "timestamp_str": "2026-05-09 10:09:24 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "EA7-AL-002 (AL02)", "to_node_name": "Pruebas T096 (NAN7)", "relay_hex": "f8", "relay_candidates": [ { "node_id": 80063992, "node_name": "AL-CENTRO-GW⚡", "hex_id": "!04c5adf8", "short_name": "NAN1", "last_byte": "f8" } ], "gateway_name": "EA7 Bot 🤖 (NAN4)", "gateway_location": { "node_id": 2661118708, "latitude": 36.8377856, "longitude": -2.4576, "altitude": 20, "timestamp": 1778889455.9869728, "timestamp_str": "2026-05-16 00:57:35", "display_name": "EA7 Bot 🤖", "long_name": "EA7 Bot 🤖", "short_name": "NAN4", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 576968, "from_node_id": 3764686272, "to_node_id": 779049181, "timestamp": 1778321364.9613352, "gateway_id": "!9e9d72f4", "raw_payload": "1201051a04f8adc504220adbffffffffffffffff01", "hop_limit": 0, "hop_start": 1, "from_node_name": "EA7-AL-002 (AL02)", "to_node_name": "Pruebas T096 (NAN7)", "route_data": { "route_nodes": [], "snr_towards": [ 1.25 ], "route_back": [ 80063992 ], "snr_back": [ -9.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 779049181, 3764686272 ], "node_names": [ "Pruebas T096 (NAN7)", "EA7-AL-002 (AL02)" ], "snr_values": [ 1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 779049181, "to_node_id": 3764686272, "from_node_name": "Pruebas T096 (NAN7)", "to_node_name": "EA7-AL-002 (AL02)", "snr": 1.25, "direction": "forward", "is_target_hop": false, "distance_meters": 19900.33426287676, "from_location_timestamp": 1778321115.4312115, "to_location_timestamp": 1778314986.3248076, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 1.8h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 3764686272, 80063992 ], "node_names": [ "EA7-AL-002 (AL02)", "AL-CENTRO-GW⚡ (NAN1)" ], "snr_values": [ -9.25 ], "hops": [ { "hop_number": 1, "from_node_id": 3764686272, "to_node_id": 80063992, "from_node_name": "EA7-AL-002 (AL02)", "to_node_name": "AL-CENTRO-GW⚡ (NAN1)", "snr": -9.25, "direction": "return", "is_target_hop": false, "distance_meters": 17919.88545331344, "from_location_timestamp": 1778314986.3248076, "to_location_timestamp": 1778283885.6750643, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 10.4h ago" } ], "is_complete": false, "total_hops": 1 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 779049181, 3764686272, 80063992 ], "node_names": [ "Pruebas T096 (NAN7)", "EA7-AL-002 (AL02)", "AL-CENTRO-GW⚡ (NAN1)" ], "snr_values": [ 1.25, -9.25 ], "hops": [ { "hop_number": 1, "from_node_id": 779049181, "to_node_id": 3764686272, "from_node_name": "Pruebas T096 (NAN7)", "to_node_name": "EA7-AL-002 (AL02)", "snr": 1.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 19900.33426287676, "from_location_timestamp": 1778321115.4312115, "to_location_timestamp": 1778314986.3248076, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 3764686272, "to_node_id": 80063992, "from_node_name": "EA7-AL-002 (AL02)", "to_node_name": "AL-CENTRO-GW⚡ (NAN1)", "snr": -9.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 17919.88545331344, "from_location_timestamp": 1778314986.3248076, "to_location_timestamp": 1778283885.6750643, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 10.4h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Pruebas T096 (NAN7) → EA7-AL-002 (AL02)", "return_path_display": "EA7-AL-002 (AL02) → AL-CENTRO-GW⚡ (NAN1)", "actual_rf_path_display": "Pruebas T096 (NAN7) → EA7-AL-002 (AL02) → AL-CENTRO-GW⚡ (NAN1)", "forward_hops": [ { "hop_number": 1, "from_node_id": 779049181, "to_node_id": 3764686272, "from_node_name": "Pruebas T096 (NAN7)", "to_node_name": "EA7-AL-002 (AL02)", "snr": 1.25, "direction": "forward", "is_target_hop": false, "distance_meters": 19900.33426287676, "from_location_timestamp": 1778321115.4312115, "to_location_timestamp": 1778314986.3248076, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 1.8h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 3764686272, "to_node_id": 80063992, "from_node_name": "EA7-AL-002 (AL02)", "to_node_name": "AL-CENTRO-GW⚡ (NAN1)", "snr": -9.25, "direction": "return", "is_target_hop": false, "distance_meters": 17919.88545331344, "from_location_timestamp": 1778314986.3248076, "to_location_timestamp": 1778283885.6750643, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 10.4h ago" } ], "total_forward_distance": 19900.33426287676, "total_return_distance": 17919.88545331344 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 3764686272, "to": 779049181, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "EgEFGgT4rcUEIgrb//////////8B", "request_id": 2056321513, "bitfield": 1 }, "id": 1326092440, "rx_time": 1778321364, "want_ack": true, "priority": "RESPONSE", "hop_start": 1, "relay_node": 248, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" }, "channel_id": "LongFast", "gateway_id": "!9e9d72f4" }, "mesh_packet": { "from": 3764686272, "to": 779049181, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "EgEFGgT4rcUEIgrb//////////8B", "request_id": 2056321513, "bitfield": 1, "parsed_payload": { "snr_towards": [ 5 ], "route_back": [ 80063992 ], "snr_back": [ -37 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 1326092440, "rx_time": 1778321364, "want_ack": true, "priority": "RESPONSE", "hop_start": 1, "relay_node": 248, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" } }

Raw Packet Data (21 bytes)

1201051a04f8adc504220adbffffffffffffffff01

Hex Analysis:

Size:	21 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.

Packet #576968 Success

Packet Information

Payload Data

Decoded Data:

Route Information

Traceroute Steps

Return Path Steps

Total Forward Distance

Total Return Distance

Combined Traceroute Graph

Legend & Paths

Nodes

Connections

Packet Paths