# The Things Gateway not forwarding packets

**URL:** <https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958>\
**Category:** TTKG - The Things Kickstarter Gateway\
**Created:** [September 21, 2022, 8:01pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958 "2022-09-21T20:01:57Z")\
**Posts on this page:** 20\
**Page:** 1

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 21, 2022, 8:01pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/1 "2022-09-21T20:01:57Z")

</div>

My TTG has been running for years, successfully moved to V3 about a year ago. 4 days ago all my devices stopped having messages forwared. In the console my GW still kept sending status messages. I went through the configuration routine of the GW, testing different wifi’s. All seems well (config correct: true, broker connected: true), but under " “Packet forwarding” no packets are registrered up or down. I have tested using another antenna. I will take my devices near another GW in my area to confirm they are transmitting, but at least 6 devices stopped having messages forwared at the same time. When I schedule downlinks, I see no response in GW live data. As the GW seems connected to the broker I am unsure what info to share. I think the status messages from GW seems suspicious, only memory usage has a value \> 0.

“data”: {  
“@type”: “[type.googleapis.com/ttn.lorawan.v3.GatewayStatus](http://type.googleapis.com/ttn.lorawan.v3.GatewayStatus)”,  
“time”: “2022-09-21T19:54:49Z”,  
“boot\_time”: “1970-01-01T00:00:00Z”,  
“versions”: {  
“platform”: “The Things Gateway v1 - BL r1-7167873a (2017-06-02T13:48:18Z) - Firmware v1.0.9-4510ddac (2022-07-22T11:45:32Z)”,  
“model”: “The Things Kickstarter Gateway v1”,  
“firmware”: “v1.0.9-4510ddac”  
},  
“metrics”: {  
“load\_1”: 0,  
“rxin”: 0,  
“load\_5”: 0,  
“temp”: 0,  
“load\_15”: 0,  
“rxok”: 0,  
“lmst”: 0,  
“lmnw”: 0,  
“cpu\_percentage”: 0,  
“txok”: 0,  
“txin”: 0,  
“lpps”: 0,  
“memory\_percentage”: 83.91771,  
“lmok”: 0  
}

From the device:

| **Version Info** | |
| --- | --- |
| Hardware: | v1 |
| Bootloader: | r1-7167873a (2017-06-02T13:48:18Z) |
| Firmware: | v1.0.9-4510ddac (2022-07-22T11:45:32Z) |
| | |
| **Network** | |
| Uptime: | 1589 |
| Connected: | true |
| Interface: | WIFI |
| Wifi SSID: | GNX76D825 |
| | |
| **Configuration** | |
| Activation locked: | true |
| Config correct: | true |
| Region: | EU\_863\_870\_TTN |
| Gateway Card: | 868Mhz |
| | |
| **Packet forwarding** | |
| Broker connection: | true |
| Packets up: | 0 |
| Packets down: | 0 |
| | |
| **Miscellaneous** | |
| External storage: | |

My plan forward is to use an AirSpy to look for obvious radio pollution @868mHz, and to investigate if the gateway has a serial port I can listen to for diagnostics.

I will happily share more details if you will help me troubleshoot.

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 21, 2022, 8:14pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/2 "2022-09-21T20:14:56Z")

</div>

> [@eivholt](#):
>
> I will take my devices near another GW in my area to confirm they are transmitting, but at least 6 devices stopped having messages forwared at the same time

So its a device problem rather than TGW problem? (per title?) - what devices - full details please… are all 6 the same? Comment implies you have more devices… and they are ok?

What are you seeing in the Console GW page?

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 21, 2022, 8:36pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/3 "2022-09-21T20:36:58Z")

</div>

Thanks for replying.  
I believe it is a GW problem, the devices not having their messages forwarded I believe is just a symptom, just as all your computers would loose connection if you disconnect your router. There is no other GW close enough to my home to have reliable multi-GW coverage, that’s why I have to take a device and travel to be 100% certain messages will be forwarded by another GW. I use a myriad of devices, for instance Rocket Scream Mini Ultra Pro. They have been working for years, until I lost connection with all at the same time 4 days ago.

In the console GW I am seeing “Receive gateway status” every 30 sec, with contents as in the original post, e.i. lot’s of 0 values for metrics. No other types of messages, i.e. no messages tx or rx.

{  
“name”: “gs.status.receive”,  
“time”: “2022-09-21T20:35:06.364659258Z”,  
“identifiers”: [  
{  
“gateway\_ids”: {  
“gateway\_id”: “prometheus”  
}  
}  
],  
“data”: {  
“@type”: “[type.googleapis.com/ttn.lorawan.v3.GatewayStatus](http://type.googleapis.com/ttn.lorawan.v3.GatewayStatus)”,  
“time”: “2022-09-21T20:35:08Z”,  
“boot\_time”: “1970-01-01T00:00:00Z”,  
“versions”: {  
“model”: “The Things Kickstarter Gateway v1”,  
“firmware”: “v1.0.9-4510ddac”,  
“platform”: “The Things Gateway v1 - BL r1-7167873a (2017-06-02T13:48:18Z) - Firmware v1.0.9-4510ddac (2022-07-22T11:45:32Z)”  
},  
“metrics”: {  
“temp”: 0,  
“rxin”: 0,  
“lmnw”: 0,  
“load\_15”: 0,  
“lpps”: 0,  
“txin”: 0,  
“memory\_percentage”: 83.91771,  
“lmst”: 0,  
“lmok”: 0,  
“cpu\_percentage”: 0,  
“rxok”: 0,  
“load\_1”: 0,  
“txok”: 0,  
“load\_5”: 0  
}  
},  
“correlation\_ids”: [  
“gs:conn:01GDGRS9VYX4W90A5QTVAYRE5K”,  
“gs:status:01GDGW5SFWSYQDYWFV924VPFT8”  
],  
“origin”: “ip-10-100-13-127.eu-west-1.compute.internal”,  
“context”: {  
“tenant-id”: “CgN0dG4=”  
},  
“visibility”: {  
“rights”: [  
“RIGHT\_GATEWAY\_STATUS\_READ”  
]  
},  
“unique\_id”: “01GDGW…”  
}

---

<div class="post-metadata">

**Author:** ![Johan\_Scheepers](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/johan_scheepers/32/46550_2.png) [@Johan\_Scheepers](https://www.thethingsnetwork.org/forum/u/Johan_Scheepers)\
**Post date:** [September 21, 2022, 8:48pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/4 "2022-09-21T20:48:42Z")

</div>

> [@eivholt](#):
>
> prometheus

If I check the following sites, your gateway seems up

[id=prometheus](https://mapper.packetbroker.net/api/v2/gateways/netID=000013,tenantID=ttn,id=prometheus)

[gateways](https://mapper.packetbroker.net/api/v2/gateways)

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 21, 2022, 8:50pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/5 "2022-09-21T20:50:30Z")

</div>

> [@eivholt](#):
>
> In the console GW I am seeing “Receive gateway status” every 30 sec, with contents as in the original post, e.i. lot’s of 0 values for metrics. No other types of messages, i.e. no messages tx or rx.

Dont be fooled by this - I see lots of zeros in the Metrics also… fact you are atleast seeing the status messages suggests high probably all good with GW and connection to back end… no data from any devices getting through (check individual device detail pages)?

Status from one of mine for comparison:

```auto
  "name": "gs.status.receive",
  "time": "2022-09-21T20:44:16.234256318Z",
  "identifiers": [
    {
      "gateway_ids": {
        "gateway_id": "g-s3-testgw001-ttkgw-hp10"
      }
    }
  ],
  "data": {
    "@type": "type.googleapis.com/ttn.lorawan.v3.GatewayStatus",
    "time": "2022-09-21T20:44:18Z",
    "boot_time": "1970-01-01T00:00:00Z",
    "versions": {
      "firmware": "v1.0.9-4510ddac",
      "platform": "The Things Gateway v1 - BL r1-7167873a (2017-06-02T13:48:18Z) - Firmware v1.0.9-4510ddac (2022-07-22T11:45:32Z)",
      "model": "The Things Kickstarter Gateway v1"
    },
    "metrics": {
      "lmst": 0,
      "cpu_percentage": 0,
      "lmok": 0,
      "lmnw": 0,
      "txok": 0,
      "txin": 0,
      "rxin": 1338,
      "temp": 0,
      "lpps": 0,
      "memory_percentage": 84.95543,
      "load_1": 0,
      "load_15": 0,
      "rxok": 1338,
      "load_5": 0
    }
  },
  "correlation_ids": [
    "gs:conn:01GDGGPNTTXG2FQVZVDTG6G1GT",
    "gs:status:01GDGWPJFA0QM2MKTC1SFH5G5H"
  ],
  "origin": "ip-10-100-4-241.eu-west-1.compute.internal",
  "context": {
    "tenant-id": "CgN0dG4="
  },
  "visibility": {
    "rights": [
      "RIGHT_GATEWAY_STATUS_READ"
    ]
  },
  "unique_id": "01GDGWPJFAJR598VGXFMMT43DE"

```

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 6:26am UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/6 "2022-09-22T06:26:52Z")

</div>

I just confirmed my end nodes are working as expected by bringing some of them within range of another GW. So the problem is situated with the gateway. Any ideas?

---

<div class="post-metadata">

**Author:** ![wolfp](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/wolfp/32/45304_2.png) [@wolfp](https://www.thethingsnetwork.org/forum/u/wolfp)\
**Post date:** [September 22, 2022, 12:00pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/7 "2022-09-22T12:00:48Z")

</div>

Looks like the receive-path is broken. This can be caused by eg. antenna, antenna-connector, cable between connector and circuit board , receiver destroyed by ESD or nearby lightning…  
Do you use an external antenna on the roof? Does the gateway receive any near-by nodes?  
Or a firmware -problem: does the gateway still use the right frequencies and parameters?

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 1:32pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/8 "2022-09-22T13:32:38Z")

</div>

I have tested the antenna, will attach a spectrum analyzation next. I changed to a simpler antenna, also checked.  
I started logging serial output from the GW and am worried about the following:  
**LORA: Kick LoRa module with ACK after not acked it for 60s**  
It keeps repeating.  
I have not been able to find a description of the LG8271 status leds, anyone know where to find it?  
The GW is rebooting a lot now, typically with Reboot reason: 0x10. Also:  
MQTT: Sending status failed  
MAIN: MQTT error

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 1:34pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/9 "2022-09-22T13:34:02Z")

</div>

> * * *
> 
> - The Things Network \*
> - 
> 
> ```
> G A T E W A Y *
> 
> ```
> 
> * * *
> 
> Firmware name: AmazingAckermann, type: 0, version: 1.0.9, commit: 4510ddac, timestamp: 1658490332  
> Bootloader revision: 1, commit: 7167873a, timestamp: 1496411298  
> Build time: Jul 22 2022 11:46:27  
> Reboot reason: 0x03  
> BOOT: (persisted info) 6F 72 72 65 01 03 25 94 6D 67 7E 52 11 31 4B 16
> 
> WIFI: Entering state 0  
> WIFI: Entering SCAN state 0
> 
> MAIN: Initialisation complete  
> LORA: Changing state from 0 to 0
> 
> MAIN: Leaving state 0  
> MAIN: Entering state 1  
> FLASH: Magic bytes found: wifi config present  
> FLASH: Magic bytes found: activation data present  
> FLASH: Magic bytes found: FOTA data present  
> FLASH: Loading Firmware Data  
> CNFG: (Firmware HASH (sha256)) 50 82 79 E3 5B E2 15 C1 5F AB BA F4 03 78 1E E5 B7 01 37 A0 F0 56 DB D1 AC 7D EB 26 99 C5 C4 60  
> FLASH: Loading WiFi Data  
> CNFG: WiFi SSID: GNX76D825  
> CNFG: WiFi key: \*\*\*  
> CNFG: WiFi conn\_type: 1  
> CNFG: WiFi sec\_type: 4  
> FLASH: Loading Activation Data  
> CNFG: Gateway ID: prometheus  
> CNFG: Gateway Key: \*\*\*  
> CNFG: Account Server URL: [https://eu1.cloud.thethings.network/](https://eu1.cloud.thethings.network/)  
> CNFG: Locked: true  
> CNFG: Locked first time: false
> 
> MAIN: Leaving state 1  
> MAIN: Entering state 2  
> INET: State change to 0  
> LORA: Initialisation complete  
> LORA: Changing state from 0 to 1  
> WIFI: Entering state 1  
> ETH: IP Address: 0.0.0.0  
> WIFI: Entering state 2  
> WIFI: Disabling modules  
> Head magic match void: trying to free an already freed block, ignore  
> WIFI: Entering state 3  
> 15:16:08: WIFI: Enabling modules for client  
> WIFI: Entering state 6
> 
> > WIFI: IP Address: 0.0.0.0  
> > SNTP: State change from 0 to 1  
> > 15:16:13: CB: INET: Gateway has WiFi  
> > INET: State change to 2  
> > INET: Connected to a network, waiting for DHCP lease, checking validity with ping  
> > SNTP: State change from 1 to 2  
> > LORA: Wait init complete, waiting for application.  
> > LORA: Changing state from 1 to 2  
> > 15:16:16: MON: SYS Stack size: 3965  
> > MON: TCPIP Stack size: 3828  
> > MON: APP Stack size: 8008  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:16:18: INET: State change to 3  
> > INET: Ping probe  
> > INET: Error sending probe on Eth  
> > SNTP: State change from 2 to 6  
> > 15:16:22: WIFI: IP Address: 192.168.1.245  
> > 15:16:26: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3828  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:16:34: SNTP: State change from 6 to 1  
> > 15:16:35: SNTP: State change from 1 to 2  
> > 15:16:36: SNTP: State change from 2 to 3  
> > MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3787  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:16:37: SNTP: State change from 3 to 4  
> > 15:16:38: SNTP: State change from 4 to 5  
> > SNTP: State change from 5 to 6  
> > SNTP: State change from 6 to 7  
> > 15:16:46: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3787  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:16:56: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3620  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:17:06: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3607  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:17:16: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3589  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3909  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:17:18: INET: Ping Timeout of :60 seconds  
> > INET: Ping probe  
> > INET: Error sending probe on Eth  
> > INET: Ping response from MRF24WN, set as default  
> > INET: State change to 4  
> > INET: State change to 5
> 
> MAIN: Leaving state 2  
> MAIN: Entering state 3
> 
> CNFG: Load online user config state change to 4  
> HTTP: Close active socket 0  
> HTTP: Starting connection  
> HTTPS: Connection Opened: Starting TLS Negotiation  
> HTTP: Wait for TLS Connect  
> HTTP: TLS Connection Opened: Starting Clear Text Communication  
> HTTP: Got 1077 bytes  
> 15:17:24: HTTP: Connection Closed  
> HTTP: Close active socket 1  
> CONF: Parsing response token: HTTP/1.1 200 OK  
> CONF: ROUTER URL: mqtts://eu1.cloud.thethings.network:8881
> 
> CNFG: Load online user config state change to 6  
> 15:17:26: FREQ: APP\_URL\_Buffer: [https://eu1.cloud.thethings.network/api/v2/frequency-plans/EU\_863\_870\_TTN](https://eu1.cloud.thethings.network/api/v2/frequency-plans/EU_863_870_TTN)  
> HTTP: Starting connection  
> MON: SYS Stack size: 2845  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3249  
> MON: LoRa Stack size: 3909  
> MON: heap usage: 193KB (272KB), free: 146KB  
> HTTPS: Connection Opened: Starting TLS Negotiation  
> HTTP: Wait for TLS Connect  
> HTTP: TLS Connection Opened: Starting Clear Text Communication  
> HTTP: Got 1680 bytes  
> 15:17:32: HTTP: Connection Closed  
> HTTP: Close active socket 1
> 
> CNFG: Load online user config state change to 7
> 
> CNFG: Configuring LoRa module  
> LORA: Changing state from 2 to 3  
> LORA: Starting reconfiguration  
> LGMD:Answer, cmd: 0x31, size: 1  
> [00]LGMD:Answer, cmd: 0x31, size: 1  
> LGMD:Command, cmd: 0x3A, size: 0  
> LGMD:Answer, cmd: 0x3A, size: 16  
> Version, hwrev: 1, major: 1, minor: 4, band: 1  
> Serial: 4C-47-38-35-30-31-36-30-31-36-37-31  
> LGMD:Command, cmd: 0x34, sie: 1  
> [00]LGMD:Answer, cmd: 0x34, size: 1  
> LGMD:Command, cmd: 0x34, sie: 1  
> [00]LGMD:Answer, cmd: 0x34, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> 15:17:33: LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x36, sie: 1  
> [00]LGMD:Answer, cmd: 0x36, size: 1  
> 15:17:36: MON: SYS Stack size: 2845  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3249  
> MON: LoRa Stack size: 3857  
> MON: heap usage: 189KB (273KB), free: 149KB  
> 15:17:41: SNTP: State change from 0 to 0  
> SNTP: State change from 0 to 0
> 
> * * *
> 
> - The Things Network \*
> - 
> 
> ```
> G A T E W A Y *
> 
> ```
> 
> * * *
> 
> Firmware name: AmazingAckermann, type: 0, version: 1.0.9, commit: 4510ddac, timestamp: 1658490332  
> Bootloader revision: 1, commit: 7167873a, timestamp: 1496411298  
> Build time: Jul 22 2022 11:46:27  
> Reboot reason: 0x10  
> BOOT: (persisted info) 6F 72 72 65 01 03 25 94 6D 67 7E 52 11 31 4B 16
> 
> WIFI: Entering state 0  
> WIFI: Entering SCAN state 0
> 
> MAIN: Initialisation complete  
> LORA: Changing state from 0 to 0
> 
> MAIN: Leaving state 0  
> MAIN: Entering state 1  
> FLASH: Magic bytes found: wifi config present  
> FLASH: Magic bytes found: activation data present  
> FLASH: Magic bytes found: FOTA data present  
> FLASH: Loading Firmware Data  
> CNFG: (Firmware HASH (sha256)) 50 82 79 E3 5B E2 15 C1 5F AB BA F4 03 78 1E E5 B7 01 37 A0 F0 56 DB D1 AC 7D EB 26 99 C5 C4 60  
> FLASH: Loading WiFi Data  
> CNFG: WiFi SSID: GNX76D825  
> CNFG: WiFi key: \*\*\*  
> CNFG: WiFi conn\_type: 1  
> CNFG: WiFi sec\_type: 4  
> FLASH: Loading Activation Data  
> CNFG: Gateway ID: prometheus  
> CNFG: Gateway Key: \*\*\*  
> CNFG: Account Server URL: [https://eu1.cloud.thethings.network/](https://eu1.cloud.thethings.network/)  
> CNFG: Locked: true  
> CNFG: Locked first time: false
> 
> MAIN: Leaving state 1  
> MAIN: Entering state 2  
> INET: State change to 0  
> LORA: Initialisation complete  
> LORA: Changing state from 0 to 1  
> WIFI: Entering state 1  
> ETH: IP Address: 0.0.0.0  
> WIFI: Entering state 2  
> WIFI: Disabling modules  
> Head magic match void: trying to free an already freed block, ignore  
> WIFI: Entering state 3  
> 15:17:43: WIFI: Enabling modules for client  
> WIFI: Entering state 6
> 
> > WIFI: IP Address: 0.0.0.0  
> > SNTP: State change from 0 to 1  
> > 15:17:48: CB: INET: Gateway has WiFi  
> > INET: State change to 2  
> > INET: Connected to a network, waiting for DHCP lease, checking validity with ping  
> > SNTP: State change from 1 to 2  
> > LORA: Wait init complete, waiting for application.  
> > LORA: Changing state from 1 to 2  
> > 15:17:51: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3828  
> > MON: APP Stack size: 7999  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:17:52: CB: INET: State change to 3  
> > INET: Ping probe  
> > INET: Error sending probe on Eth  
> > 15:17:54: SNTP: State change from 2 to 6  
> > 15:17:57: WIFI: IP Address: 192.168.1.245  
> > 15:18:01: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3619  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:18:08: SNTP: State change from 6 to 1  
> > 15:18:09: SNTP: State change from 1 to 2  
> > 15:18:11: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3603  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 179KB (188KB), free: 160KB  
> > 15:18:15: SNTP: State change from 2 to 3  
> > 15:18:16: SNTP: State change from 3 to 4  
> > 15:18:17: SNTP: State change from 4 to 5  
> > SNTP: State change from 5 to 6  
> > SNTP: State change from 6 to 7  
> > 15:18:21: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3597  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:18:31: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3589  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:18:41: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3589  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:18:51: MON: SYS Stack size: 3959  
> > MON: TCPIP Stack size: 3589  
> > MON: APP Stack size: 7987  
> > MON: LoRa Stack size: 3911  
> > MON: heap usage: 180KB (188KB), free: 160KB  
> > 15:18:53: INET: Ping Timeout of :60 seconds  
> > INET: Ping probe  
> > INET: Error sending probe on Eth  
> > INET: Ping response from MRF24WN, set as default  
> > INET: State change to 4  
> > INET: State change to 5
> 
> MAIN: Leaving state 2  
> MAIN: Entering state 3
> 
> CNFG: Load online user config state change to 4  
> HTTP: Close active socket 0  
> HTTP: Starting connection  
> HTTPS: Connection Opened: Starting TLS Negotiation  
> HTTP: Wait for TLS Connect  
> HTTP: TLS Connection Opened: Starting Clear Text Communication  
> HTTP: Got 1076 bytes  
> 15:18:59: HTTP: Connection Closed  
> HTTP: Close active socket 1  
> CONF: Parsing response token: HTTP/1.1 200 OK  
> CONF: ROUTER URL: mqtts://eu1.cloud.thethings.network:8881
> 
> CNFG: Load online user config state change to 6  
> 15:19:01: FREQ: APP\_URL\_Buffer: [https://eu1.cloud.thethings.network/api/v2/frequency-plans/EU\_863\_870\_TTN](https://eu1.cloud.thethings.network/api/v2/frequency-plans/EU_863_870_TTN)  
> HTTP: Starting connection  
> MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3911  
> MON: heap usage: 193KB (273KB), free: 146KB  
> HTTPS: Connection Opened: Starting TLS Negotiation  
> HTTP: Wait for TLS Connect  
> HTTP: TLS Connection Opened: Starting Clear Text Communication  
> HTTP: Got 1680 bytes  
> 15:19:07: HTTP: Connection Closed  
> HTTP: Close active socket 1
> 
> CNFG: Load online user config state change to 7
> 
> CNFG: Configuring LoRa module  
> LORA: Changing state from 2 to 3  
> LORA: Starting reconfiguration  
> LGMD:Answer, cmd: 0x31, size: 1  
> [00]LGMD:Answer, cmd: 0x31, size: 1  
> LGMD:Command, cmd: 0x3A, size: 0  
> LGMD:Answer, cmd: 0x3A, size: 16  
> Version, hwrev: 1, major: 1, minor: 4, band: 1  
> Serial: 4C-47-38-35-30-31-36-30-31-36-37-31  
> LGMD:Command, cmd: 0x34, sie: 1  
> [00]LGMD:Answer, cmd: 0x34, size: 1  
> LGMD:Command, cmd: 0x34, sie: 1  
> [00]LGMD:Answer, cmd: 0x34, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> 15:19:08: LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x35, sie: 1  
> [00]LGMD:Answer, cmd: 0x35, size: 1  
> LGMD:Command, cmd: 0x36, sie: 1  
> [00]LGMD:Answer, cmd: 0x36, size: 1  
> LGMD:Command, cmd: 0x37, sie: 1  
> [00]  
> LGMD:Answer, cmd: 0x37, size: 1  
> LGMD:Command, cmd:0x40, size: 1  
> [00]LGMD:Answer, cmd: 0x40, size: 1  
> LGMD:Command, cmd:0x31, size: 1  
> [00]LGMD:Answer, cmd: 0x31, size: 1  
> LGMD:Command, cmd: 0x30, size: 0  
> 15:19:09: LGMD:Answer, cmd: 0x30, size: 1  
> LORA: configLora OK  
> LORA: Configuration succeeded  
> LORA: Starting operation  
> LORA: Changing state from 3 to 4  
> 15:19:11: MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 189KB (273KB), free: 149KB  
> 15:19:16: LORA: Changing state from 4 to 5
> 
> CNFG: Load online user config state change to 9
> 
> MAIN: Leaving state 3  
> MAIN: Entering state 4  
> FLASH: Loading FOTA Data  
> FIRM: Requesting key …  
> HTTP: Starting connection  
> HTTPS: Connection Opened: Starting TLS Negotiation  
> HTTP: Wait for TLS Connect  
> 15:19:17: HTTP: TLS Connection Opened: Starting Clear Text Communication  
> HTTP: Got 515 bytes  
> 15:19:19: HTTP: Connection Closed  
> HTTP: Close active socket 1  
> FIRM: Starting download  
> FIRM: available bytes: 79  
> FIRM: (Downloaded FOTA key) 50 82 79 E3 5B E2 15 C1 5F AB BA F4 03 78 1E E5 B7 01 37 A0 F0 56 DB D1 AC 7D EB 26 99 C5 C4 60  
> FIRM: (Stored FOTA key) 50 82 79 E3 5B E2 15 C1 5F AB BA F4 03 78 1E E5 B7 01 37 A0 F0 56 DB D1 AC 7D EB 26 99 C5 C4 60  
> FIRM: Firmware is already downloaded  
> MAIN: No new firmware available
> 
> MAIN: Leaving state 4  
> MAIN: Entering state 5  
> MQTT: GOT IP: 63.34.215.128  
> Connecting to: 63.34.215.128  
> MQTT: Connection Opened: Starting TLS Negotiation  
> MQTT: Wait for SSL Connect  
> 15:19:20: MQTT: TLS ready: Connect MQTT  
> RQMQTT: Connected
> 
> * * *
> 
> MAIN: Gateway bridging
> 
> * * *
> 
> MQTT: Sending status packet  
> MQTT: Report reboot error: 0103  
> MQTT: Sending status succeeded: 0  
> MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (284KB), free: 54KB  
> 15:19:31: MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (287KB), free: 54KB  
> 15:19:41: MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (287KB), free: 54KB  
> 15:19:50: MQTT: Sending status packet  
> MQTT: Sending status succeeded: 1  
> MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (287KB), free: 54KB  
> 15:20:01: MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (287KB), free: 54KB  
> 15:20:11: MON: SYS Stack size: 2837  
> MON: TCPIP Stack size: 3581  
> MON: APP Stack size: 3269  
> MON: LoRa Stack size: 3855  
> MON: heap usage: 284KB (287KB), free: 54KB  
> 15:20:15: LORA: Kick LoRa module with ACK after not acked it for 60s  
> 15:20:20: MQTT: Sending status packet  
> MQTT: Sending status succeeded: 2

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 22, 2022, 1:44pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/10 "2022-09-22T13:44:29Z")

</div>

Looks like it is connecting ok to the back end. per Johan may be a receive path issue. Are there any devices where you can send a downlink to check TX path? besides internal fails or externally induced fails (e.g. near proximity lightning strike) this system had early problems with module mounting/connector issues…perhaps temp cycling or time/corrosion has impacted. Have you tried extracting the concentrator module and then re-inserting? Please give that a go and let us know any changes…

What is the LED Status on front panel? You should see 4 solid green with 5th blinking briefly based on occasional Rx data.

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 4:31pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/11 "2022-09-22T16:31:06Z")

</div>

On tx there is no response in the serial debug nor GW console when I schedule downlink.  
I extracted the concentrator and cleaned the connectors. I checked them in pairs with the connector pads on the motherboard for continuity, all well. On the concentrator led 4 is red, led 1 is green. If anyone knows their significance, that would be great to know. Or just check what leds are lit on a working TTKG. Leds on the motherboard are as expected: 4 solid, 5th blinking on status uplink. No blinking on device tx, though.

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 22, 2022, 4:43pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/12 "2022-09-22T16:43:09Z")

</div>

Hummn, could just be that the card has failed as everything else seems normal. I have had 3 GW’s fail over a 7 year period (all different types, but all old SX1301 based like the TKGW) so depending on age of unit may just be random wareout?! When bought? Still under warranty?

> [@eivholt](#):
>
> TTG has been running for years

Guess not ☹

One thing you cant check for I guess was has there been a close proximity lightning strike - this can render units deaf without showing signs of actual burn out? Has unit ever been run without Antenna attached? can also induce potential latent weakness if not immediate burn out, of the front end as can ESD…

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 5:31pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/13 "2022-09-22T17:31:55Z")

</div>

You are probably right, but I thought I’d give it a shot in finding the point of error. On the point of downlink: my understanding was that the broker would retain scheduled downlinks and only fetch them when a GW receives a tx from a device and a downlink window is established. So I wouldn’t think that scheduling a downlink in the console would immediately signal a GW. Is so, how would the broker know what GW to message?

Anyway, I got different leds on the concentrator when I pressed it down - led 1 and 5 solid green. Still have no idea what they mean, and I am still getting the same lack of transmission looking at the debug output. It would be great if anyone with the same GW could report what leds their concentrators display after initialization.

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 22, 2022, 5:40pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/14 "2022-09-22T17:40:20Z")

</div>

Will go pop the cover on one of mine and check after supper 🙂 !

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 5:57pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/15 "2022-09-22T17:57:43Z")

</div>

That would be great!  
Judging on older (2018) GW logs the “LORA: Kick LoRa module with ACK after not acked it for 60s” seems normal, probably keeping it from entering low-power state or something. I should however have seen something like:  
LORA: Accepted packet  
MQTT: Sending UPLINK OK

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 22, 2022, 6:19pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/16 "2022-09-22T18:19:45Z")

</div>

Ok firstly my bad - its 4 _blue_ not green of course on front panel (S.East) steady with 5th blinking on traffic looking at the pseudo random pattern probably reflecting the dozen plus sensors it can hear close by…

Card has 1 green, there is another green just off board at N.East, a blue at West and 3 green distributed along South side of main board (too dark for me to go looking at board markings to see labeling…)

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 7:11pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/17 "2022-09-22T19:11:35Z")

</div>

Thanks for checking it out.  
Judging by the apparent random state of the concentrator leds (sometimes red, sometimes weakly lit etc) I have accepted that the concentrator might be dead. Have ordered a new GW, was looking for an excuse to go 16 channel anyway 🙂 Might look for a replacement concentrator in hope of expanding coverage. Thanks for all the input!

---

<div class="post-metadata">

**Author:** ![Jeff-UK](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/jeff-uk/32/35697_2.png) [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\
**Post date:** [September 22, 2022, 7:55pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/18 "2022-09-22T19:55:26Z")

</div>

> [@eivholt](#):
>
> apparent random state of the concentrator leds (sometimes red, sometimes weakly lit etc)

Hummn 🤔 have you checked board power…could be a power feed issue?! A capacitor or regulator just as likely to die as the main card…might be worth measuring around the board/looking for an obvious failed/failing component…

If you want to consider a direct replacement DM me as I still have a few TKGW’s in personal/consulting stock (new, boxed) - not sure where you are for shipping/import costs etc…(Norway?), mine run fine since 1st deployed at start of 2018 baring the odd power outage and relocation for site tests hence keep a few for community users, onward sales etc.

---

<div class="post-metadata">

**Author:** ![eivholt](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/eivholt/32/46351_2.png) [@eivholt](https://www.thethingsnetwork.org/forum/u/eivholt)\
**Post date:** [September 22, 2022, 8:13pm UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/19 "2022-09-22T20:13:37Z")

</div>

I will probably poke around the components as some point, but with no real lead or schematic this can be quite time consuming. Thanks for the offer, but as I have already ordered a new GW I am set for the time being.

---

<div class="post-metadata">

**Author:** ![Johan\_Scheepers](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/johan_scheepers/32/46550_2.png) [@Johan\_Scheepers](https://www.thethingsnetwork.org/forum/u/Johan_Scheepers)\
**Post date:** [September 23, 2022, 7:49am UTC](https://www.thethingsnetwork.org/forum/t/the-things-gateway-not-forwarding-packets/58958/20 "2022-09-23T07:49:24Z")

</div>

Do you have it as indoor or outdoor gateway?

Especially if it is outdoors check the antenna and if you have coax between gateway and antenna, the coax for continuity or short.