We have installed RAK7268C Wisgate Edge Lite 2 in Canada after successfully testing its operation in the US. It is connected to AWS using basic station and LTE backhaul only. This operated fine in Canada for several months after which it simply lost LTE connection and would not re-connect to the cellular network even after reboot. We have returned this device to the US for debugging and it will not connect here at our office with known 4/5 bar LTE service (an area where RAK7268 is confirmed to have solid LTE connection). We are using Soracom Air SIM card. Logs pulled from the gateway show many ‘Dial Failed’ entries as shown below. The apn is set to the correct values soracom.io with un: sora and pw: sora as confirmed by Soracom. Not knowing why it would not connect we removed the apn and un/pw settings and rebooted the gateway. After reboot it connected to LTE properly. We then set the apn back to soarcom.io un: sora, pw: sora and rebooted. It continued to work. We need to understand why this change fixed the connection problem. We have 2 other gateways deployed with the same loss of connectivity and will not be able to use these RAK gateways if we can’t get reliable operation.
Log when first returned to US…gateway does not connect to LTE network, many ‘Dial Failed’ entries.
Sun Jan 2 15:58:51 2022 daemon.notice netifd: wan (2982): udhcpc (v1.23.2) started
Sun Jan 2 15:58:51 2022 user.err basicstation[2025]: [TCE:ERRO] TC connect failed - URI: wss://A2NEJSN0K93DWV.lns.lorawan.us-east-1.amazonaws.com:443
Sun Jan 2 15:58:51 2022 daemon.notice netifd: wan (2982): Sending discover...
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Find /sys/bus/usb/devices/1-1 idVendor=2c7c idProduct=0195
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Find /sys/bus/usb/devices/1-1:1.4/net/wwan0
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Find usbnet_adapter = wwan0
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Find /sys/bus/usb/devices/1-1:1.4/usbmisc/cdc-wdm0
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Find qmichannel = /dev/cdc-wdm0
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: cdc_wdm_fd = 8
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Get clientWDS = 20
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Get clientDMS = 1
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Get clientNAS = 4
Sun Jan 2 15:58:52 2022 daemon.notice netifd: wwan (2812): Sending discover...
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Get clientUIM = 1
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Get clientWDA = 1
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestBaseBandVersion EG95NAFBR05A04M4G
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestGetSIMStatus SIMStatus: SIM_READY
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestGetICCID DeviceICCID: 8942310019001778448P
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestGetIMSI DeviceIMSI: 295050911087844
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestSetProfile[1] soracom.io/sora/sora/2
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestGetProfile[1] soracom.io/sora/sora/2
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:58:52 2022 kern.info quectel-CM[1498]: Dail Failed 1
Sun Jan 2 15:58:53 2022 daemon.notice netifd: wan0 (2823): Sending discover...
Sun Jan 2 15:58:54 2022 daemon.notice netifd: wan (2982): Sending discover...
Sun Jan 2 15:58:54 2022 user.notice ping-watchdog: alias eth0.2 ifup
Sun Jan 2 15:58:54 2022 user.notice firewall: Reloading firewall due to ifup of alias (eth0.2)
Sun Jan 2 15:58:55 2022 daemon.notice netifd: wwan (2812): Sending discover...
Sun Jan 2 15:58:56 2022 user.notice ping-watchdog: loopback lo ifup
Sun Jan 2 15:58:56 2022 daemon.notice netifd: wan0 (2823): Sending discover...
Sun Jan 2 15:58:57 2022 daemon.notice netifd: wan (2982): Sending discover...
Sun Jan 2 15:58:57 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:58:57 2022 kern.info quectel-CM[1498]: Dail Failed 2
Sun Jan 2 15:58:58 2022 user.warn mwan3: Could not find gateway for interface wwan (wwan0)
Sun Jan 2 15:58:58 2022 user.notice ping-watchdog: wwan wwan0 ifup
Sun Jan 2 15:58:58 2022 user.notice firewall: Reloading firewall due to ifup of wwan (wwan0)
Sun Jan 2 15:59:01 2022 user.err basicstation[2025]: [TCE:ERRO] TC connect failed - URI: wss://A2NEJSN0K93DWV.lns.lorawan.us-east-1.amazonaws.com:443
Sun Jan 2 15:59:02 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:02 2022 kern.info quectel-CM[1498]: Dail Failed 3
Sun Jan 2 15:59:07 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:07 2022 kern.info quectel-CM[1498]: Dail Failed 4
Sun Jan 2 15:59:10 2022 user.warn mwan3: Could not find gateway for interface wan0 (apcli0)
Sun Jan 2 15:59:10 2022 user.notice ping-watchdog: wan0 apcli0 ifup
Sun Jan 2 15:59:10 2022 user.notice firewall: Reloading firewall due to ifup of wan0 (apcli0)
Sun Jan 2 15:59:12 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:12 2022 kern.info quectel-CM[1498]: Dail Failed 5
Sun Jan 2 15:59:17 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:17 2022 kern.info quectel-CM[1498]: Dail Failed 6
Sun Jan 2 15:59:21 2022 user.err basicstation[2025]: [TCE:ERRO] TC connect failed - URI: wss://A2NEJSN0K93DWV.lns.lorawan.us-east-1.amazonaws.com:443
Sun Jan 2 15:59:22 2022 user.warn mwan3: Could not find gateway for interface wan (eth0.2)
Sun Jan 2 15:59:22 2022 user.notice ping-watchdog: wan eth0.2 ifup
Sun Jan 2 15:59:22 2022 user.notice firewall: Reloading firewall due to ifup of wan (eth0.2)
Sun Jan 2 15:59:23 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:23 2022 kern.info quectel-CM[1498]: Dail Failed 7
Sun Jan 2 15:59:24 2022 user.emerg syslog: sh: on: unknown operand
Sun Jan 2 15:59:24 2022 user.emerg syslog: /etc/rc.common: line 30: breathe_led.sh: not found
Sun Jan 2 15:59:25 2022 user.emerg syslog: setting up led eth0
Sun Jan 2 15:59:28 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:28 2022 kern.info quectel-CM[1498]: Dail Failed 8
Sun Jan 2 15:59:28 2022 daemon.info procd: - init complete -
Sun Jan 2 15:59:29 2022 user.notice breathing_light: set breathing light to ABNORMAL
Sun Jan 2 15:59:33 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:33 2022 kern.info quectel-CM[1498]: Dail Failed 9
Sun Jan 2 15:59:37 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 410, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:37 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:38 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:38 2022 kern.info quectel-CM[1498]: Dail Failed 10
Sun Jan 2 15:59:43 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:43 2022 kern.info quectel-CM[1498]: Dail Failed 11
Sun Jan 2 15:59:48 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:48 2022 kern.info quectel-CM[1498]: Dail Failed 12
Sun Jan 2 15:59:51 2022 user.err basicstation[2025]: [TCE:ERRO] TC connect failed - URI: wss://A2NEJSN0K93DWV.lns.lorawan.us-east-1.amazonaws.com:443
Sun Jan 2 15:59:53 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:53 2022 kern.info quectel-CM[1498]: Dail Failed 13
Sun Jan 2 15:59:58 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 15:59:58 2022 kern.info quectel-CM[1498]: Dail Failed 14
Sun Jan 2 16:00:03 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 310, MNC: 260, PS: Detached, DataCap: UNKNOW
Sun Jan 2 16:00:03 2022 kern.info quectel-CM[1498]: Dail Failed 15
Sun Jan 2 16:00:07 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 311, MNC: 480, PS: Detached, DataCap: UNKNOW
Sun Jan 2 16:00:08 2022 kern.info quectel-CM[1498]: requestRegistrationState2 MCC: 311, MNC: 480, PS: Detached, DataCap: UNKNOW
Sun Jan 2 16:00:08 2022 kern.info quectel-CM[1498]: Dail Failed 16