Packet #2527789 Success

TRACEROUTE_APP packet from CR7BZU-Casa-8 (CP01) to CCRM GW-8 (CCRM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2527789
Mesh Packet ID:	`0x5e023071` Used for correlation across gateways
Timestamp:	2026-09-27 03:57:24 UTC
From Node:	CR7BZU-Casa-8 (CP01)
To Node:	CCRM GW-8 (CCRM)
Success:	Processed
Protocol:	TRACEROUTE_APP Port: 70

Gateway:	A48-FX Sintra (A48)
Channel:	LongFast
RSSI:	-123 dBm
SNR:	-14.0 dBm
Hop Info:	1/5 hops Start: 5, Limit: 4
Relay Node:	`c1` CP02 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: 9 bytes

Decoded: Yes

Decoded Data:

Route Information

Route Path:	CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)
Hop Count:	0 hops
Status:	Incomplete - Final destination not reached
SNR Towards:	6.0 dB

Traceroute Steps

Hop	From Node	To Node	Distance	SNR (dB)	Direction	Analysis
1	CR7BZU-Casa-8 (CP01)	CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)	0 m	6.0 dB	Origin	Hops
Traceroute incomplete - Final destination not reached

Combined Traceroute Graph

· edge width = packets · node size = traffic · square = gateway

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Receptions

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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:	9 bytes
Gateway:	!ba0cadcc
Channel:	LongFast
Payload Type:	TRACEROUTE_APP
Hop Count:	1 / 5

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

Field	Value
`gateway_id`	`!ba0cadcc` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (9 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`49135096` Source node ID	uint32
`to`	`501821260` Target node ID	uint32
`decoded.portnum`	`TRACEROUTE_APP` TRACEROUTE_APP	enum
`decoded.payload_length`	`9` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-123.0` dBm Signal strength at gateway	int32
`rx_snr`	`-14.00` dB Signal quality at gateway	float
`rx_time`	`1790477298` 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`	`8` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`193` 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)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!ba0cadcc`
Signal Metrics:	RSSI: -123.0 dBm SNR: -14.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TRACEROUTE_APP
Size:	9 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "route_nodes": [ 2761505473 ], "snr_towards": [ 6.0 ], "route_back": [], "snr_back": [], "route_node_names": { "49135096": "CR7BZU-Casa-8 (CP01)", "2761505473": "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "501821260": "CCRM GW-8 (CCRM)" }, "traceroute_packet": { "packet_data": { "id": 2527789, "timestamp": 1790481444.8961575, "from_node_id": 49135096, "to_node_id": 501821260, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!ba0cadcc", "channel_id": "LongFast", "mesh_packet_id": 1577201777, "rssi": -123, "snr": -14.0, "hop_limit": 4, "hop_start": 5, "payload_length": 9, "processed_successfully": 1, "raw_payload": "0a04c13a99a4120118", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1790477298, "pki_encrypted": 0, "next_hop": 0, "relay_node": 193, "tx_after": 0, "raw_service_envelope": "0a480df8bded02154c2fe91d18082a167d99b2240ce172974e7fc87b9aa8346783c704312d03357130025e3df283b86a45000060c1480450016085ffffffffffffffff0178059801c10112084c6f6e67466173741a09216261306361646363", "timestamp_str": "2026-09-27 03:57:24 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "CR7BZU-Casa-8 (CP01)", "to_node_name": "CCRM GW-8 (CCRM)", "relay_hex": "c1", "relay_candidates": [ { "node_id": 2761505473, "node_name": "CR7BZU-SDRana-GT-8☀️🇵🇹", "hex_id": "!a4993ac1", "short_name": "CP02", "last_byte": "c1" } ], "gateway_name": "A48-FX Sintra (A48)", "gateway_location": { "node_id": 3121393100, "latitude": 38.8235264, "longitude": -9.3585408, "altitude": 151, "timestamp": 1792441380.9390686, "timestamp_str": "2026-10-19 21:23:00", "display_name": "A48-FX Sintra ", "long_name": "A48-FX Sintra ", "short_name": "A48", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 2527789, "from_node_id": 49135096, "to_node_id": 501821260, "timestamp": 1790481444.8961575, "gateway_id": "!ba0cadcc", "raw_payload": "0a04c13a99a4120118", "hop_limit": 4, "hop_start": 5, "from_node_name": "CR7BZU-Casa-8 (CP01)", "to_node_name": "!1de92f4c", "route_data": { "route_nodes": [ 2761505473 ], "snr_towards": [ 6.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 49135096, 2761505473 ], "node_names": [ "CR7BZU-Casa-8 (CP01)", "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)" ], "snr_values": [ 6.0 ], "hops": [ { "hop_number": 1, "from_node_id": 49135096, "to_node_id": 2761505473, "from_node_name": "CR7BZU-Casa-8 (CP01)", "to_node_name": "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "snr": 6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1790457594.2625296, "to_location_timestamp": 1790412857.3351097, "from_location_age_warning": "from 6.6h ago", "to_location_age_warning": "from 19.1h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 49135096, 2761505473 ], "node_names": [ "CR7BZU-Casa-8 (CP01)", "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)" ], "snr_values": [ 6.0 ], "hops": [ { "hop_number": 1, "from_node_id": 49135096, "to_node_id": 2761505473, "from_node_name": "CR7BZU-Casa-8 (CP01)", "to_node_name": "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "snr": 6.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1790457594.2625296, "to_location_timestamp": 1790412857.3351097, "from_location_age_warning": "from 6.6h ago", "to_location_age_warning": "from 19.1h ago" } ], "is_complete": false, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "CR7BZU-Casa-8 (CP01) → CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "return_path_display": null, "actual_rf_path_display": "CR7BZU-Casa-8 (CP01) → CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "forward_hops": [ { "hop_number": 1, "from_node_id": 49135096, "to_node_id": 2761505473, "from_node_name": "CR7BZU-Casa-8 (CP01)", "to_node_name": "CR7BZU-SDRana-GT-8☀️🇵🇹 (CP02)", "snr": 6.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1790457594.2625296, "to_location_timestamp": 1790412857.3351097, "from_location_age_warning": "from 6.6h ago", "to_location_age_warning": "from 19.1h ago" } ], "return_hops": [], "total_forward_distance": 0.0, "total_return_distance": null }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 49135096, "to": 501821260, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgTBOpmkEgEY", "want_response": true, "dest": 501821260, "bitfield": 3 }, "id": 1577201777, "rx_time": 1790477298, "rx_snr": -14.0, "hop_limit": 4, "want_ack": true, "rx_rssi": -123, "hop_start": 5, "relay_node": 193 }, "channel_id": "LongFast", "gateway_id": "!ba0cadcc" }, "mesh_packet": { "from": 49135096, "to": 501821260, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgTBOpmkEgEY", "want_response": true, "dest": 501821260, "bitfield": 3, "parsed_payload": { "route": [ 2761505473 ], "snr_towards": [ 24 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 1577201777, "rx_time": 1790477298, "rx_snr": -14.0, "hop_limit": 4, "want_ack": true, "rx_rssi": -123, "hop_start": 5, "relay_node": 193 } }

Raw Packet Data (9 bytes)

0a04c13a99a4120118

Hex Analysis:

Size:	9 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Hops	Relay	Channel	Timestamp	Actions
A48-FX Sintra (A48) Primary	0.000s Reference	-123.0 dBm	-14.00 dB	1	`c1` CP02	LongFast	2026-09-27 03:57:24 UTC	Current
3 hops Gateways that received this packet after 3 hops
CasaAmarelaForteDaCasa-GW-8 (CAFC)	+10119.609s After	-102.0 dBm	Unknown	3	`e0` R490	LongFast	2026-09-27 06:46:04 UTC	View
B0SS-8 (C) 🇵🇹 (CF60)	+513167.513s After	-118.0 dBm	-15.50 dB	3	`3a` BdSL	LongFast	2026-10-03 02:30:12 UTC	View
Meshtastic 0364 (0364)	+9206.914s After	-103.0 dBm	-3.00 dB	3	`e0`	LongFast	2026-09-27 06:30:51 UTC	View
4 hops Gateways that received this packet after 4 hops
Meshtastic 34dc (34dc)	+29988.291s After	-51.0 dBm	6.50 dB	4	`fb` GRH1	LongFast	2026-09-27 12:17:13 UTC	View
5 hops Gateways that received this packet after 5 hops
FR01-CL-8 🇵🇹💻 (FR01)	-3902.121s Before	-118.0 dBm	-17.00 dB	5	`35` FLVN	LongFast	2026-09-27 02:52:22 UTC	View

6

Total Receptions

6

Unique Gateways