Device and Gateway Debugging

[Runner]

Hi There,

I have tried to search forum for specific help on this topic, and have not been successful, so please let me know if it can be found elsewhere.

I am new to Chirpstack, and have set up vis Docker-Compose on a Centos 7 VM a server.
I am using a Tektelik Kona Micro gateway and an Agri sensor.
I have been able to connect the gateway, but am getting some errors see below:

time="2020-10-15T08:28:42Z" level=error msg="finished client unary call" ctx_id="<nil>" error="rpc error: code = Unknown desc = lorawan/band: invalid data-rate" grpc.code=Unknown grpc.ctx_id=44a48ad2-b8f0-4e1e-8da3-5195ac171447 grpc.duration=1.188453ms grpc.method=SendProprietaryPayload grpc.service=ns.NetworkServerService span.kind=client system=grpc
time="2020-10-15T08:28:42Z" level=error msg="send gateway ping error: send ping error: send proprietary payload error: rpc error: code = Unknown desc = lorawan/band: invalid data-rate"
time="2020-10-15T08:28:43Z" level=info msg="gateway ping created" ctx_id=d9604ba5-660e-4467-ab1d-2afbf174fb32 dr=5 frequency=902300000 gateway_mac=647fdafffe00864d id=19648
time="2020-10-15T08:28:43Z" level=error msg="finished client unary call" ctx_id="<nil>" error="rpc error: code = Unknown desc = lorawan/band: invalid data-rate" grpc.code=Unknown grpc.ctx_id=706c8587-90e6-42b1-ad37-fb2520eb63d6 grpc.duration="983.84µs" grpc.method=SendProprietaryPayload grpc.service=ns.NetworkServerService span.kind=client system=grpc
time="2020-10-15T08:28:43Z" level=error msg="send gateway ping error: send ping error: send proprietary payload error: rpc error: code = Unknown desc = lorawan/band: invalid data-rate"
time="2020-10-15T08:28:44Z" level=info msg="gateway ping created" ctx_id=dca67645-ddb0-4019-a000-3c8f2564fe97 dr=5 frequency=902300000 gateway_mac=647fdafffe00864d id=19649
time="2020-10-15T08:28:44Z" level=error msg="finished client unary call" ctx_id="<nil>" error="rpc error: code = Unknown desc = lorawan/band: invalid data-rate" grpc.code=Unknown grpc.ctx_id=809e3930-b5e9-43b8-a43d-0b262a0d3b19 grpc.duration=1.197633ms grpc.method=SendProprietaryPayload grpc.service=ns.NetworkServerService span.kind=client system=grpc
time="2020-10-15T08:28:44Z" level=error msg="send gateway ping error: send ping error: send proprietary payload error: rpc error: code = Unknown desc = lorawan/band: invalid data-rate"
time="2020-10-15T08:28:45Z" level=info msg="gateway ping created" ctx_id=3905089a-2c63-4241-bba2-622ec065a82b dr=5 frequency=902300000 gateway_mac=647fdafffe00864d id=19650^C

This gateway and sensor was previously working on another instance, but now I have not been able to get the sensor to reconnect, and the gateway location is also not working any longer.

See Device Downlink Data:

Again, any help in regards to debugging and getting this connected would be greatly appreciated

R

[ric2498]

Hi,

my 2 cents…

Double check your channel definitions on your GW and your node… DR5 not valid for 902.3 Mhz.

https://lora-alliance.org/resource-hub/rp2-101-lorawanr-regional-parameters-0

2.5.2 US902-928 Channel Frequencies

• Upstream – 64 channels numbered 0 to 63 utilizing LoRa 125 kHz BW varying from DR0 to DR3, using coding rate 4/5, starting at 902.3 MHz and incrementing linearly by 200 kHz to 914.9 MHz

Regards

[Runner]

Thanks Ric,

So this would be via the gateway config file?

This has not changed since it last worked on a separate instance see below for gateway config:

"chip_enable": true,
        "chan_multiSF_0": {"chan_rx_freq": 902300000, "spread_factor": "7-12" },
        "chan_multiSF_1": {"chan_rx_freq": 902500000, "spread_factor": "7-12" },
        "chan_multiSF_2": {"chan_rx_freq": 902700000, "spread_factor": "7-12" },
        "chan_multiSF_3": {"chan_rx_freq": 902900000, "spread_factor": "7-12" },
        "chan_multiSF_4": {"chan_rx_freq": 903100000, "spread_factor": "7-12" },
        "chan_multiSF_5": {"chan_rx_freq": 903300000, "spread_factor": "7-12" },
        "chan_multiSF_6": {"chan_rx_freq": 903500000, "spread_factor": "7-12" },
        "chan_multiSF_7": {"chan_rx_freq": 903700000, "spread_factor": "7-12" },
        "chan_LoRa_std" : {"chan_rx_freq": 903000000, "bandwidth": 500000, "spread_factor": 8 },
        "chan_FSK"      : {"chan_rx_freq": 903000000, "bandwidth": 250000, "bit_rate": 100000 }

The Network-server.toml looks like:

# This file is for the US915 band. See the examples/ folder for more
# configuration examples.

[postgresql]
dsn="postgres://chirpstack_ns:chirpstack_ns@postgresql/chirpstack_ns?sslmode=disable"

[redis]
url="redis://redis:6379"

[network_server]
net_id="000000"

[network_server.band]
name="US915"

  [network_server.network_settings]
  enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7]

[network_server.gateway.backend.mqtt]
server="tcp://mosquitto:1883"

[join_server.default]
server="http://chirpstack-application-server:8003"

[geolocation_server]
server="chirpstack-geolocation-server:8005"

Again, thank you for any guidance or support it is greatly appreciated,

R

[ric2498]

1. on your GW side it looks good.

2. update your NS.toml file with this:
   enabled_uplink_channels=[0, 1, 2, 3, 4, 5, 6, 7, 64]

3. It looks on the node side… do you have more details

[Runner]

Hi Ric,

Please see attached for details of Device (I have managed to get one Vibe xmitter connected but cannot get any of the agri-sensors connected).

[ric2498]

I’m sorry, what do you mean by …cannot get any of the agri-sensors connected…

Can you add more details about these sensors… model, type, provider, etc.

[Runner]

Hi Ric,

They are a Tektelic sensor Agriculture sensor, on the previous instance they worked fine.
(see link to spec sheet: https://tektelic.com/wp-content/uploads/Agriculture-Sensor.pdf)

The vibe which is connected is and Advantec Wise 2410 - which is connected.

Still having some Network Service Errors. Again, I appreciate the help and responsiveness.

-R

[eugenev]

error log tells you “Invalid data rate”.
check this in your device configuration/profile sections

[Runner]

Thanks Eugene,

Is there a simple way to know what the data rate should be?

[ric2498]

Can you paste your device profile ?

[eugenev]

@Runner

what the data rate should be?

allowed and existed in your regional band.

[Runner]

Hi Ric,

See below for device and service profile. I appreciate the help very much.

R