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AWS_IoT mqtt_connect,error: -111

Hello,

I am trying to program and use the AWS IoT example to send data to the amazon webserver. I worked through this post (https://devzone.nordicsemi.com/nordic/cellular-iot-guides/b/software-and-protocols/posts/connecting-to-aws-cloud-services-using-the-nrf9160) with success up until loading the modified AWS IoT sample.

The example in this post wouldn't build correctly, so I switched to the AWS IoT example and connected with the LTE Link monitor where I received the code:

AWS_IOT_EVT_CONNECTING

RRC mode: Connected

E: mqtt_connect, error: -111

AWS_IOT_EVT_CONNECTING

RRC mode: Idle

Next connection retry in 30 seconds

The newlib is active for this sample which means that error -111 means connection refused.

I found a few other posts that had gotten this error from running out of data on their sim card, but I checked this with the nRF cloud website and it was registered and had data.

Another potential area was the certificates, as I was a bit unsure of the instructions in the blog for this part. The CA certificate and private keys were both straightforward, but I think amazon AWS has updated their certificates and there was no certificate labeled client certificate, only device certificate. I assumed that these were the same and used the device certificate here but I was not sure if that was correct, and if it wasn't what else I would use.

I've double checked the prj config file and updated/double checked the broker host/sec tag/device name which I suspected was an issue but could not find any errors.

Do you have any other suggestions for things that may have gone wrong or things to try?

Thanks for the help!

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0 Øyvind over 4 years ago

Hello,

Can you share a full log output with output from "AT+CFUN?". What version of NCS are you working with?

Kind regards,
Øyvind
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0 jake11212 over 4 years ago in reply to Øyvind

Hello, here are the logs:

Fullscreen AT+CFUNoutput.txt Download

2021-08-13T18:58:25.929Z INFO Application data folder: C:\Users\Jake\AppData\Roaming\nrfconnect\pc-nrfconnect-linkmonitor
2021-08-13T18:58:25.983Z DEBUG App pc-nrfconnect-linkmonitor v1.1.10 official
2021-08-13T18:58:25.983Z DEBUG App path: C:\Users\Jake\.nrfconnect-apps\node_modules\pc-nrfconnect-linkmonitor
2021-08-13T18:58:25.983Z DEBUG nRFConnect 3.6.1 is supported by the app (^3.6.0)
2021-08-13T18:58:25.983Z DEBUG nRFConnect path: C:\Users\Jake\AppData\Local\Programs\nrfconnect\resources\app.asar
2021-08-13T18:58:25.984Z DEBUG HomeDir: C:\Users\Jake
2021-08-13T18:58:25.984Z DEBUG TmpDir: C:\Users\Jake\AppData\Local\Temp
2021-08-13T18:58:26.036Z VERBOSE Could not fetch serial number for serial port at COM3
2021-08-13T18:58:26.037Z VERBOSE Could not fetch serial number for serial port at COM7
2021-08-13T18:58:26.037Z VERBOSE Could not fetch serial number for serial port at COM6
2021-08-13T18:58:26.037Z VERBOSE Could not fetch serial number for serial port at COM8
2021-08-13T18:58:27.941Z INFO Modem port is opened
2021-08-13T18:58:27.950Z DEBUG modem >> AT+CFUN?
2021-08-13T19:00:17.247Z DEBUG modem << oting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:00:17.262Z DEBUG modem << I: Starting bootloader
2021-08-13T19:00:17.264Z DEBUG modem << I: Primary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2021-08-13T19:00:17.266Z DEBUG modem << I: Secondary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2021-08-13T19:00:17.269Z DEBUG modem << I: Boot source: none
2021-08-13T19:00:17.271Z DEBUG modem << I: Swap type: none
2021-08-13T19:00:17.315Z DEBUG modem << I: Bootloader chainload address offset: 0x10000
2021-08-13T19:00:17.322Z DEBUG modem << I: Jumping to the first image slot
2021-08-13T19:00:17.588Z DEBUG modem << *** Booting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:00:17.596Z DEBUG modem << Flash regionsDomainPermissions
2021-08-13T19:00:17.600Z DEBUG modem << 00 03 0x00000 0x20000 Securerwxl
2021-08-13T19:00:17.607Z DEBUG modem << 04 31 0x20000 0x100000 Non-Securerwxl
2021-08-13T19:00:17.609Z DEBUG modem << Non-secure callable region 0 placed in flash region 3 with size 32.
2021-08-13T19:00:17.655Z DEBUG modem << SRAM regionDomainPermissions
2021-08-13T19:00:17.659Z DEBUG modem << 00 07 0x00000 0x10000 Securerwxl
2021-08-13T19:00:17.662Z DEBUG modem << 08 31 0x10000 0x40000 Non-Securerwxl
2021-08-13T19:00:17.665Z DEBUG modem << PeripheralDomainStatus
2021-08-13T19:00:17.673Z DEBUG modem << 00 NRF_P0               Non-SecureOK
2021-08-13T19:00:17.676Z DEBUG modem << 01 NRF_CLOCK            Non-SecureOK
2021-08-13T19:00:17.679Z DEBUG modem << 02 NRF_RTC0             Non-SecureOK
2021-08-13T19:00:17.681Z DEBUG modem << 03 NRF_RTC1             Non-SecureOK
2021-08-13T19:00:17.691Z DEBUG modem << 04 NRF_NVMC             Non-SecureOK
2021-08-13T19:00:17.693Z DEBUG modem << 05 NRF_UARTE1           Non-SecureOK
2021-08-13T19:00:17.695Z DEBUG modem << 06 NRF_UARTE2           SecureSKIP
2021-08-13T19:00:17.698Z DEBUG modem << 07 NRF_TWIM2            Non-SecureOK
2021-08-13T19:00:17.700Z DEBUG modem << 08 NRF_SPIM3            Non-SecureOK
2021-08-13T19:00:17.709Z DEBUG modem << 09 NRF_TIMER0           Non-SecureOK
2021-08-13T19:00:17.712Z DEBUG modem << 10 NRF_TIMER1           Non-SecureOK
2021-08-13T19:00:17.713Z DEBUG modem << 11 NRF_TIMER2           Non-SecureOK
2021-08-13T19:00:17.716Z DEBUG modem << 12 NRF_SAADC            Non-SecureOK
2021-08-13T19:00:17.719Z DEBUG modem << 13 NRF_PWM0             Non-SecureOK
2021-08-13T19:00:17.726Z DEBUG modem << 14 NRF_PWM1             Non-SecureOK
2021-08-13T19:00:17.729Z DEBUG modem << 15 NRF_PWM2             Non-SecureOK
2021-08-13T19:00:17.731Z DEBUG modem << 16 NRF_PWM3             Non-SecureOK
2021-08-13T19:00:17.734Z DEBUG modem << 17 NRF_WDT              Non-SecureOK
2021-08-13T19:00:17.740Z DEBUG modem << 18 NRF_IPC              Non-SecureOK
2021-08-13T19:00:17.741Z DEBUG modem << 19 NRF_VMC              Non-SecureOK
2021-08-13T19:00:17.748Z DEBUG modem << 20 NRF_FPU              Non-SecureOK
2021-08-13T19:00:17.750Z DEBUG modem << 21 NRF_EGU1             Non-SecureOK
2021-08-13T19:00:17.752Z DEBUG modem << 22 NRF_EGU2             Non-SecureOK
2021-08-13T19:00:17.754Z DEBUG modem << 23 NRF_DPPIC            Non-SecureOK
2021-08-13T19:00:17.764Z DEBUG modem << 24 NRF_REGULATORS       Non-SecureOK
2021-08-13T19:00:17.767Z DEBUG modem << 25 NRF_PDM              Non-SecureOK
2021-08-13T19:00:17.771Z DEBUG modem << 26 NRF_I2S              Non-SecureOK
2021-08-13T19:00:17.775Z DEBUG modem << 27 NRF_GPIOTE1          Non-SecureOK
2021-08-13T19:00:17.777Z DEBUG modem << SPM: NS image at 0x20200
2021-08-13T19:00:17.783Z DEBUG modem << SPM: NS MSP at 0x2001f660
2021-08-13T19:00:17.785Z DEBUG modem << SPM: NS reset vector at 0x26039
2021-08-13T19:00:17.787Z DEBUG modem << SPM: prepare to jump to Non-Secure image.
2021-08-13T19:00:17.789Z DEBUG modem << *** Booting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:00:17.798Z DEBUG modem << The AWS IoT sample started, version: v1.0.0
2021-08-13T19:00:19.752Z DEBUG modem << LTE cell changed: Cell ID: 62234385, Tracking area: 26388
2021-08-13T19:00:20.342Z DEBUG modem << RRC mode: Connected
2021-08-13T19:00:21.844Z DEBUG modem << Network registration status: Connected - roaming
2021-08-13T19:00:21.850Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T19:00:21.852Z DEBUG modem << PSM parameter update: TAU: -1, Active time: -1
2021-08-13T19:00:21.855Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:00:22.272Z DEBUG modem << DATE_TIME_OBTAINED_NTP
2021-08-13T19:00:22.324Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T19:00:22.330Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:00:28.179Z DEBUG modem << RRC mode: Idle
2021-08-13T19:00:30.929Z DEBUG modem >> AT+CFUN=1
2021-08-13T19:00:30.943Z DEBUG modem << OK
2021-08-13T19:00:34.864Z DEBUG modem >> AT+CFUN?
2021-08-13T19:00:34.881Z DEBUG modem << +CFUN: 1
2021-08-13T19:00:34.906Z DEBUG modem << OK
2021-08-13T19:00:34.909Z DEBUG modem >> AT+CGSN=1
2021-08-13T19:00:34.926Z DEBUG modem << +CGSN: "352656106113189"
2021-08-13T19:00:34.939Z DEBUG modem << OK
2021-08-13T19:00:34.943Z DEBUG modem >> AT+CGMI
2021-08-13T19:00:34.963Z DEBUG modem << Nordic Semiconductor ASA
2021-08-13T19:00:34.968Z DEBUG modem << OK
2021-08-13T19:00:34.973Z DEBUG modem >> AT+CGMM
2021-08-13T19:00:34.988Z DEBUG modem << nRF9160-SICA
2021-08-13T19:00:34.990Z DEBUG modem << OK
2021-08-13T19:00:35.003Z DEBUG modem >> AT+CGMR
2021-08-13T19:00:35.019Z DEBUG modem << mfw_nrf9160_1.3.0
2021-08-13T19:00:35.022Z DEBUG modem << OK
2021-08-13T19:00:35.024Z INFO Nordic Semiconductor ASA nRF9160-SICA [mfw_nrf9160_1.3.0] SerNr: 352656106113189
2021-08-13T19:00:35.025Z DEBUG modem >> AT+CEMODE?
2021-08-13T19:00:35.040Z DEBUG modem << +CEMODE: 2
2021-08-13T19:00:35.044Z DEBUG modem << OK
2021-08-13T19:00:35.077Z DEBUG modem >> AT%XCBAND=?
2021-08-13T19:00:35.086Z DEBUG modem << %XCBAND: (1,2,3,4,5,8,12,13,18,19,20,25,26,28,66)
2021-08-13T19:00:35.089Z DEBUG modem << 
2021-08-13T19:00:35.091Z DEBUG modem << OK
2021-08-13T19:00:35.110Z DEBUG modem >> AT+CMEE?
2021-08-13T19:00:35.124Z DEBUG modem << +CMEE: 0
2021-08-13T19:00:35.125Z DEBUG modem << OK
2021-08-13T19:00:35.134Z DEBUG modem >> AT+CMEE=1
2021-08-13T19:00:35.148Z DEBUG modem << OK
2021-08-13T19:00:35.150Z DEBUG modem >> AT+CNEC?
2021-08-13T19:00:35.166Z DEBUG modem << +CNEC: 0
2021-08-13T19:00:35.169Z DEBUG modem << OK
2021-08-13T19:00:35.173Z DEBUG modem >> AT+CNEC=24
2021-08-13T19:00:35.186Z DEBUG modem << OK
2021-08-13T19:00:35.190Z DEBUG modem >> AT+CGEREP?
2021-08-13T19:00:35.204Z DEBUG modem << +CGEREP: 0,0
2021-08-13T19:00:35.206Z DEBUG modem << OK
2021-08-13T19:00:35.208Z DEBUG modem >> AT+CGDCONT?
2021-08-13T19:00:35.230Z DEBUG modem << +CGDCONT: 0,"IP","ibasis.iot","10.165.92.113",0,0
2021-08-13T19:00:35.233Z DEBUG modem << OK
2021-08-13T19:00:35.240Z DEBUG modem >> AT+CGACT?
2021-08-13T19:00:35.253Z DEBUG modem << +CGACT: 0,1
2021-08-13T19:00:35.256Z DEBUG modem << OK
2021-08-13T19:00:35.269Z DEBUG modem >> AT+CGEREP=1
2021-08-13T19:00:35.284Z DEBUG modem << OK
2021-08-13T19:00:35.288Z DEBUG modem >> AT+CIND=1,1,1
2021-08-13T19:00:35.303Z DEBUG modem << OK
2021-08-13T19:00:35.307Z DEBUG modem >> AT+CEREG=5
2021-08-13T19:00:35.320Z DEBUG modem << OK
2021-08-13T19:00:35.323Z DEBUG modem >> AT+CEREG?
2021-08-13T19:00:35.347Z DEBUG modem << +CEREG: 5,5,"6714","03B59F11",7,,,"11100000","11100000"
2021-08-13T19:00:35.350Z DEBUG modem << OK
2021-08-13T19:00:35.358Z DEBUG modem >> AT+COPS=3,2
2021-08-13T19:00:35.372Z DEBUG modem << OK
2021-08-13T19:00:35.376Z DEBUG modem >> AT+COPS?
2021-08-13T19:00:35.391Z DEBUG modem << +COPS: 0,2,"310410",7
2021-08-13T19:00:35.394Z DEBUG modem << OK
2021-08-13T19:00:35.410Z DEBUG modem >> AT%XCBAND
2021-08-13T19:00:35.424Z DEBUG modem << %XCBAND: 12
2021-08-13T19:00:35.425Z DEBUG modem << OK
2021-08-13T19:00:35.437Z DEBUG modem >> AT+CGDCONT?
2021-08-13T19:00:35.455Z DEBUG modem << +CGDCONT: 0,"IP","ibasis.iot","10.165.92.113",0,0
2021-08-13T19:00:35.456Z DEBUG modem << OK
2021-08-13T19:00:35.469Z DEBUG modem >> AT+CGACT?
2021-08-13T19:00:35.485Z DEBUG modem << +CGACT: 0,1
2021-08-13T19:00:35.487Z DEBUG modem << 
2021-08-13T19:00:35.489Z DEBUG modem << OK
2021-08-13T19:00:35.501Z DEBUG modem >> AT%CESQ=1
2021-08-13T19:00:35.518Z DEBUG modem << OK
2021-08-13T19:00:35.521Z DEBUG modem >> AT+CESQ
2021-08-13T19:00:35.538Z DEBUG modem << +CESQ: 99,99,255,255,12,47
2021-08-13T19:00:35.540Z DEBUG modem << OK
2021-08-13T19:00:35.553Z DEBUG modem >> AT%XSIM=1
2021-08-13T19:00:35.567Z DEBUG modem << OK
2021-08-13T19:00:35.572Z DEBUG modem >> AT%XSIM?
2021-08-13T19:00:35.585Z DEBUG modem << %XSIM: 1
2021-08-13T19:00:35.589Z DEBUG modem << OK
2021-08-13T19:00:35.605Z DEBUG modem >> AT+CPIN?
2021-08-13T19:00:35.622Z DEBUG modem << +CPIN: READY
2021-08-13T19:00:35.625Z DEBUG modem << OK
2021-08-13T19:00:35.639Z DEBUG modem >> AT+CPINR="SIM PIN"
2021-08-13T19:00:35.663Z DEBUG modem << +CPINR: "SIM PIN",3
2021-08-13T19:00:35.666Z DEBUG modem << OK
2021-08-13T19:00:35.672Z DEBUG modem >> AT+CIMI
2021-08-13T19:00:35.685Z DEBUG modem << 204080813632257
2021-08-13T19:00:35.688Z DEBUG modem << OK
2021-08-13T19:00:35.689Z INFO IMSIdentity: 204080813632257
2021-08-13T19:00:51.851Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T19:00:51.861Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:00:52.020Z DEBUG modem << RRC mode: Connected
2021-08-13T19:00:52.249Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T19:00:52.262Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:00:57.783Z DEBUG modem << RRC mode: Idle
2021-08-13T19:01:17.501Z DEBUG modem << *** Booting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:01:17.509Z DEBUG modem << I: Starting bootloader
2021-08-13T19:01:17.511Z DEBUG modem << I: Primary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2021-08-13T19:01:17.516Z DEBUG modem << I: Secondary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2021-08-13T19:01:17.518Z DEBUG modem << I: Boot source: none
2021-08-13T19:01:17.521Z DEBUG modem << I: Swap type: none
2021-08-13T19:01:17.570Z DEBUG modem << I: Bootloader chainload address offset: 0x10000
2021-08-13T19:01:17.573Z DEBUG modem << I: Jumping to the first image slot
2021-08-13T19:01:17.845Z DEBUG modem << *** Booting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:01:17.862Z DEBUG modem << Flash regionsDomainPermissions
2021-08-13T19:01:17.864Z DEBUG modem << 00 03 0x00000 0x20000 Securerwxl
2021-08-13T19:01:17.867Z DEBUG modem << 04 31 0x20000 0x100000 Non-Securerwxl
2021-08-13T19:01:17.869Z DEBUG modem << Non-secure callable region 0 placed in flash region 3 with size 32.
2021-08-13T19:01:17.911Z DEBUG modem << SRAM regionDomainPermissions
2021-08-13T19:01:17.919Z DEBUG modem << 00 07 0x00000 0x10000 Securerwxl
2021-08-13T19:01:17.921Z DEBUG modem << 08 31 0x10000 0x40000 Non-Securerwxl
2021-08-13T19:01:17.929Z DEBUG modem << PeripheralDomainStatus
2021-08-13T19:01:17.930Z DEBUG modem << 00 NRF_P0               Non-SecureOK
2021-08-13T19:01:17.931Z DEBUG modem << 01 NRF_CLOCK            Non-SecureOK
2021-08-13T19:01:17.933Z DEBUG modem << 02 NRF_RTC0             Non-SecureOK
2021-08-13T19:01:17.935Z DEBUG modem << 03 NRF_RTC1             Non-SecureOK
2021-08-13T19:01:17.946Z DEBUG modem << 04 NRF_NVMC             Non-SecureOK
2021-08-13T19:01:17.950Z DEBUG modem << 05 NRF_UARTE1           Non-SecureOK
2021-08-13T19:01:17.951Z DEBUG modem << 06 NRF_UARTE2           SecureSKIP
2021-08-13T19:01:17.952Z DEBUG modem << 07 NRF_TWIM2            Non-SecureOK
2021-08-13T19:01:17.954Z DEBUG modem << 08 NRF_SPIM3            Non-SecureOK
2021-08-13T19:01:17.964Z DEBUG modem << 09 NRF_TIMER0           Non-SecureOK
2021-08-13T19:01:17.966Z DEBUG modem << 10 NRF_TIMER1           Non-SecureOK
2021-08-13T19:01:17.968Z DEBUG modem << 11 NRF_TIMER2           Non-SecureOK
2021-08-13T19:01:17.980Z DEBUG modem << 12 NRF_SAADC            Non-SecureOK
2021-08-13T19:01:17.981Z DEBUG modem << 13 NRF_PWM0             Non-SecureOK
2021-08-13T19:01:17.983Z DEBUG modem << 14 NRF_PWM1             Non-SecureOK
2021-08-13T19:01:17.985Z DEBUG modem << 15 NRF_PWM2             Non-SecureOK
2021-08-13T19:01:17.987Z DEBUG modem << 16 NRF_PWM3             Non-SecureOK
2021-08-13T19:01:17.987Z DEBUG modem << 17 NRF_WDT              Non-SecureOK
2021-08-13T19:01:17.999Z DEBUG modem << 18 NRF_IPC              Non-SecureOK
2021-08-13T19:01:18.000Z DEBUG modem << 19 NRF_VMC              Non-SecureOK
2021-08-13T19:01:18.002Z DEBUG modem << 20 NRF_FPU              Non-SecureOK
2021-08-13T19:01:18.003Z DEBUG modem << 21 NRF_EGU1             Non-SecureOK
2021-08-13T19:01:18.014Z DEBUG modem << 22 NRF_EGU2             Non-SecureOK
2021-08-13T19:01:18.015Z DEBUG modem << 23 NRF_DPPIC            Non-SecureOK
2021-08-13T19:01:18.032Z DEBUG modem << 24 NRF_REGULATORS       Non-SecureOK
2021-08-13T19:01:18.034Z DEBUG modem << 25 NRF_PDM              Non-SecureOK
2021-08-13T19:01:18.035Z DEBUG modem << 26 NRF_I2S              Non-SecureOK
2021-08-13T19:01:18.036Z DEBUG modem << 27 NRF_GPIOTE1          Non-SecureOK
2021-08-13T19:01:18.044Z DEBUG modem << SPM: NS image at 0x20200
2021-08-13T19:01:18.045Z DEBUG modem << SPM: NS MSP at 0x2001f660
2021-08-13T19:01:18.046Z DEBUG modem << SPM: NS reset vector at 0x26039
2021-08-13T19:01:18.047Z DEBUG modem << SPM: prepare to jump to Non-Secure image.
2021-08-13T19:01:18.064Z DEBUG modem << *** Booting Zephyr OS build v2.6.0-rc1-ncs1  ***
2021-08-13T19:01:18.065Z DEBUG modem << The AWS IoT sample started, version: v1.0.0
2021-08-13T19:01:20.547Z DEBUG modem << LTE cell changed: Cell ID: 62234385, Tracking area: 26388
2021-08-13T19:01:20.659Z DEBUG modem << RRC mode: Connected
2021-08-13T19:01:21.925Z DEBUG modem << Network registration status: Connected - roaming
2021-08-13T19:01:21.940Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T19:01:21.943Z DEBUG modem << PSM parameter update: TAU: -1, Active time: -1
2021-08-13T19:01:21.945Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:01:22.354Z DEBUG modem << DATE_TIME_OBTAINED_NTP
2021-08-13T19:01:22.406Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T19:01:22.408Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:01:28.261Z DEBUG modem << RRC mode: Idle
2021-08-13T19:01:51.932Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T19:01:51.948Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:01:52.101Z DEBUG modem << RRC mode: Connected
2021-08-13T19:01:52.330Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T19:01:52.339Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:01:57.864Z DEBUG modem << RRC mode: Idle
2021-08-13T19:02:21.934Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T19:02:21.944Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:02:22.102Z DEBUG modem << RRC mode: Connected
2021-08-13T19:02:22.568Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T19:02:22.589Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T19:02:28.103Z DEBUG modem << RRC mode: Idle

I am using NCS V1.6.0.

My 9160DK has the firmware 1.3.0 from the 2021-06-25_7a076c22 download.

Also I should note that I have successfully connected with asset tracker to the nRF cloud website, the LTE device/SiM are verified on the site, and asset tracker was able to update a simulated flip by toggling switch 1 on the 9160DK so this seems to point to an issue with the AWS connection.

I also tried checking the certificates by adding CONFIG_AT_CMD_RESPONSE_MAX_LEN=2560 to the prj.config file and then running the AT%CMNG=1 command and got this response:

Fullscreen logCertificateCheck.txt Download

2021-08-13T20:18:40.242Z DEBUG modem >> AT%CMNG=1
2021-08-13T20:18:40.282Z DEBUG modem << %CMNG: 0,6,"0606060606060606060606060606060606060606060606060606060606060606"
2021-08-13T20:18:40.286Z DEBUG modem << %CMNG: (my security code),0,"0000000000000000000000000000000000000000000000000000000000000000"
2021-08-13T20:18:40.311Z DEBUG modem << %CMNG: (my security code),1,"0101010101010101010101010101010101010101010101010101010101010101"
2021-08-13T20:18:40.352Z DEBUG modem << %CMNG: (my security code),2,"0202020202020202020202020202020202020202020202020202020202020202"
2021-08-13T20:18:40.380Z DEBUG modem << %CMNG: 16842753,0,"0000000000000000000000000000000000000000000000000000000000000000"
2021-08-13T20:18:40.385Z DEBUG modem << %CMNG: 16842753,1,"0101010101010101010101010101010101010101010101010101010101010101"
2021-08-13T20:18:40.389Z DEBUG modem << %CMNG: 16842753,2,"0202020202020202020202020202020202020202020202020202020202020202"
2021-08-13T20:18:40.394Z DEBUG modem << %CMNG: 4294967293,10,"0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A0A"
2021-08-13T20:18:40.399Z DEBUG modem << %CMNG: 4294967292,11,"0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B"
2021-08-13T20:18:40.404Z DEBUG modem << OK
2021-08-13T20:18:56.250Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T20:18:56.288Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T20:18:56.419Z DEBUG modem << RRC mode: Connected
2021-08-13T20:18:56.891Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T20:18:56.928Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T20:19:02.418Z DEBUG modem << RRC mode: Idle
2021-08-13T20:19:26.253Z DEBUG modem << Next connection retry in 30 seconds
2021-08-13T20:19:26.255Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T20:19:26.418Z DEBUG modem << RRC mode: Connected
2021-08-13T20:19:26.658Z DEBUG modem << E: mqtt_connect, error: -111
2021-08-13T20:19:26.700Z DEBUG modem << AWS_IOT_EVT_CONNECTING
2021-08-13T20:19:32.184Z DEBUG modem << RRC mode: Idle
2021-08-13T20:19:56.257Z DEBUG modem << Next connection retry in 30 seconds

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