GL-ATX1800 E3276s-150 not working

Technical Support for Routers
1

I can not get a connection working with the LTE stick.
I plug the stick in and wait for it to show in the web ui.
I put it through the manual setup and then it just does not work. Sometimes I catch the “SIM card missing” error showing in the web ui.
At some point the stick does not show in the web ui any more and the log loops through the error all the time.

Please point me in the right direction to fix this.

Current Firmware Version 4.1.0
Firmware Type release7
Compile Time 2022-11-16 14:25:44(UTC+08:00)

cat /sys/kernel/debug/usb/devices

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 1
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1
P:  Vendor=1d6b ProdID=0003 Rev= 4.04
S:  Manufacturer=Linux 4.4.60 xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=xhci-hcd.0.auto
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms

T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev= 4.04
S:  Manufacturer=Linux 4.4.60 xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=xhci-hcd.0.auto
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 26 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=12d1 ProdID=1506 Rev= 1.02
S:  Manufacturer=HUAWEI Technology
S:  Product=HUAWEI Mobile
C:* #Ifs= 5 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=10 Driver=option
E:  Ad=81(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=12 Driver=option
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:  If#= 2 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=16 Driver=huawei_cdc_ncm
E:  Ad=84(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
I:* If#= 2 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=16 Driver=huawei_cdc_ncm
E:  Ad=84(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Output of logread.

Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.247281] usb 1-1: new high-speed USB device number 7 using xhci-hcd
Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.435825] usb-storage 1-1:1.0: USB Mass Storage device detected
Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.436164] scsi host10: usb-storage 1-1:1.0
Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.441864] usb-storage 1-1:1.1: USB Mass Storage device detected
Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.445541] scsi host11: usb-storage 1-1:1.1
Sun Mar 12 22:12:17 2023 kern.info kernel: [ 6074.487387] usb 1-1: USB disconnect, device number 7
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6074.937293] usb 1-1: new high-speed USB device number 8 using xhci-hcd
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.082753] option 1-1:1.0: GSM modem (1-port) converter detected
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.082983] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.088809] option 1-1:1.1: GSM modem (1-port) converter detected
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.094978] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.120570] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.120623] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.126096] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.131730] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.137119] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.146028] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.151010] usb-storage 1-1:1.3: USB Mass Storage device detected
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.164432] scsi host12: usb-storage 1-1:1.3
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.169531] usb-storage 1-1:1.4: USB Mass Storage device detected
Sun Mar 12 22:12:18 2023 kern.info kernel: [ 6075.173214] scsi host13: usb-storage 1-1:1.4
Sun Mar 12 22:12:19 2023 kern.notice kernel: [ 6076.167970] scsi 12:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Sun Mar 12 22:12:19 2023 kern.notice kernel: [ 6076.177870] scsi 13:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Sun Mar 12 22:12:19 2023 kern.notice kernel: [ 6076.180050] sd 13:0:0:0: [sda] Attached SCSI removable disk
Sun Mar 12 22:12:19 2023 kern.err kernel: [ 6076.397889] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Sun Mar 12 22:12:19 2023 kern.err kernel: [ 6076.397933] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Sun Mar 12 22:14:18 2023 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED e6:22:1b:bb:18:2e 0 0
Sun Mar 12 22:20:38 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Sun Mar 12 22:20:40 2023 daemon.notice netifd: modem_1_1 (11734): Trying to set mode
Sun Mar 12 22:20:41 2023 daemon.notice netifd: modem_1_1 (11734): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Sun Mar 12 22:20:41 2023 daemon.notice pppd[11960]: pppd 2.4.8 started by root, uid 0
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: abort on (BUSY)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: abort on (NO CARRIER)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: abort on (ERROR)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: report (CONNECT)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: timeout set to 10 seconds
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: send (AT&F^M)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: expect (OK)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: AT&F^M^M
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: OK
Sun Mar 12 22:20:42 2023 local2.info chat[12003]:  -- got it
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: send (ATE1^M)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: expect (OK)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: ^M
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: ATE1^M^M
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: OK
Sun Mar 12 22:20:42 2023 local2.info chat[12003]:  -- got it
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: send (AT+CGDCONT=1,"IP","internet.telekom"^M)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: timeout set to 30 seconds
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: expect (OK)
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: ^M
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: AT+CGDCONT=1,"IP","internet.telekom"^M^M
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: OK
Sun Mar 12 22:20:42 2023 local2.info chat[12003]:  -- got it
Sun Mar 12 22:20:42 2023 local2.info chat[12003]: send (ATD*99***1#^M)
Sun Mar 12 22:20:43 2023 local2.info chat[12003]: expect (CONNECT)
Sun Mar 12 22:20:43 2023 local2.info chat[12003]: ^M
Sun Mar 12 22:20:43 2023 local2.info chat[12003]: ATD*99***1#^M^M
Sun Mar 12 22:20:43 2023 local2.info chat[12003]: CONNECT
Sun Mar 12 22:20:43 2023 local2.info chat[12003]:  -- got it
Sun Mar 12 22:20:43 2023 local2.info chat[12003]: send ( ^M)
Sun Mar 12 22:20:43 2023 daemon.info pppd[11960]: Serial connection established.
Sun Mar 12 22:20:43 2023 kern.info kernel: [ 6579.833183] 3g-modem_1_1: renamed from ppp0
Sun Mar 12 22:20:43 2023 daemon.info pppd[11960]: Renamed interface ppp0 to 3g-modem_1_1
Sun Mar 12 22:20:43 2023 daemon.info pppd[11960]: Using interface 3g-modem_1_1
Sun Mar 12 22:20:43 2023 daemon.notice pppd[11960]: Connect: 3g-modem_1_1 <--> /dev/ttyUSB0
Sun Mar 12 22:20:44 2023 daemon.info pppd[11960]: CHAP authentication succeeded: Welcome!!
Sun Mar 12 22:20:44 2023 daemon.notice pppd[11960]: CHAP authentication succeeded
Sun Mar 12 22:21:16 2023 kern.err kernel: [ 6612.924739] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:16 2023 kern.err kernel: [ 6612.924790] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:16 2023 kern.err kernel: [ 6612.931551] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6612.939701] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Sun Mar 12 22:21:16 2023 daemon.notice pppd[11960]: Modem hangup
Sun Mar 12 22:21:16 2023 daemon.notice pppd[11960]: Connection terminated.
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6612.947216] option 1-1:1.0: device disconnected
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6612.955114] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6612.959335] option 1-1:1.1: device disconnected
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6612.967367] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Sun Mar 12 22:21:16 2023 daemon.info pppd[11960]: Exit.
Sun Mar 12 22:21:16 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Sun Mar 12 22:21:16 2023 kern.info kernel: [ 6613.205632] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Sun Mar 12 22:21:16 2023 user.notice mwan3[13661]: Execute ifdown event on interface modem_1_1 (unknown)
Sun Mar 12 22:21:17 2023 kern.err kernel: [ 6614.104630] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Sun Mar 12 22:21:18 2023 kern.err kernel: [ 6615.004569] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Sun Mar 12 22:21:18 2023 kern.info kernel: [ 6615.124610] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Sun Mar 12 22:21:18 2023 kern.err kernel: [ 6615.544540] usb 1-1: device not accepting address 8, error -22
Sun Mar 12 22:21:18 2023 kern.info kernel: [ 6615.664585] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Sun Mar 12 22:21:19 2023 kern.err kernel: [ 6616.084543] usb 1-1: device not accepting address 8, error -22
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.084674] usb 1-1: USB disconnect, device number 8
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.084752] option 1-1:1.0: GSM modem (1-port) converter detected
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.084968] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.085069] option 1-1:1.1: GSM modem (1-port) converter detected
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.085226] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Sun Mar 12 22:21:19 2023 kern.err kernel: [ 6616.086429] xhci-hcd xhci-hcd.0.auto: ERROR: unexpected command completion code 0x13.
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.086447] usb 1-1: Not enough bandwidth for altsetting 0
Sun Mar 12 22:21:19 2023 kern.warn kernel: [ 6616.086472] huawei_cdc_ncm: probe of 1-1:1.2 failed with error -22
Sun Mar 12 22:21:19 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.133615] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.139475] option 1-1:1.0: device disconnected
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.147616] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.151842] option 1-1:1.1: device disconnected
Sun Mar 12 22:21:19 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Sun Mar 12 22:21:19 2023 user.notice mwan3[14187]: Execute ifdown event on interface modem_1_1 (unknown)
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.554576] usb 1-1: new high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.699652] option 1-1:1.0: GSM modem (1-port) converter detected
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.699868] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.705761] option 1-1:1.1: GSM modem (1-port) converter detected
Sun Mar 12 22:21:19 2023 kern.info kernel: [ 6616.712116] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.737082] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.737116] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.743866] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.747967] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.753573] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.762032] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.767328] usb-storage 1-1:1.3: USB Mass Storage device detected
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.789357] scsi host14: usb-storage 1-1:1.3
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.789972] usb-storage 1-1:1.4: USB Mass Storage device detected
Sun Mar 12 22:21:20 2023 kern.info kernel: [ 6616.792861] scsi host15: usb-storage 1-1:1.4
Sun Mar 12 22:21:21 2023 kern.notice kernel: [ 6617.785873] scsi 14:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Sun Mar 12 22:21:21 2023 kern.notice kernel: [ 6617.796057] scsi 15:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Sun Mar 12 22:21:21 2023 kern.notice kernel: [ 6617.799275] sd 15:0:0:0: [sda] Attached SCSI removable disk
Sun Mar 12 22:21:24 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Sun Mar 12 22:21:25 2023 kern.err kernel: [ 6622.015984] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Sun Mar 12 22:21:25 2023 kern.err kernel: [ 6622.016031] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Sun Mar 12 22:21:26 2023 daemon.notice netifd: modem_1_1 (15853): Trying to set mode
Sun Mar 12 22:21:27 2023 daemon.notice netifd: modem_1_1 (15853): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Sun Mar 12 22:21:27 2023 daemon.notice pppd[16500]: pppd 2.4.8 started by root, uid 0
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: abort on (BUSY)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: abort on (NO CARRIER)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: abort on (ERROR)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: report (CONNECT)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: timeout set to 10 seconds
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: send (AT&F^M)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: expect (OK)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: AT&F^M^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: OK
Sun Mar 12 22:21:28 2023 local2.info chat[16508]:  -- got it
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: send (ATE1^M)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: expect (OK)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: ^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: ATE1^M^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: OK
Sun Mar 12 22:21:28 2023 local2.info chat[16508]:  -- got it
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: send (AT+CGDCONT=1,"IP","internet.telekom"^M)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: timeout set to 30 seconds
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: expect (OK)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: ^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: AT+CGDCONT=1,"IP","internet.telekom"^M^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: OK
Sun Mar 12 22:21:28 2023 local2.info chat[16508]:  -- got it
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: send (ATD*99***1#^M)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: expect (CONNECT)
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: ^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: ATD*99***1#^M^M
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: CONNECT
Sun Mar 12 22:21:28 2023 local2.info chat[16508]:  -- got it
Sun Mar 12 22:21:28 2023 local2.info chat[16508]: send ( ^M)
Sun Mar 12 22:21:28 2023 daemon.info pppd[16500]: Serial connection established.
Sun Mar 12 22:21:28 2023 kern.info kernel: [ 6625.683216] 3g-modem_1_1: renamed from ppp0
Sun Mar 12 22:21:28 2023 daemon.info pppd[16500]: Renamed interface ppp0 to 3g-modem_1_1
Sun Mar 12 22:21:28 2023 daemon.info pppd[16500]: Using interface 3g-modem_1_1
Sun Mar 12 22:21:28 2023 daemon.notice pppd[16500]: Connect: 3g-modem_1_1 <--> /dev/ttyUSB0
Sun Mar 12 22:21:30 2023 daemon.info pppd[16500]: CHAP authentication succeeded: Welcome!!
Sun Mar 12 22:21:30 2023 daemon.notice pppd[16500]: CHAP authentication succeeded
Sun Mar 12 22:21:30 2023 kern.err kernel: [ 6627.324764] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:30 2023 kern.err kernel: [ 6627.324803] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:30 2023 kern.err kernel: [ 6627.331577] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:30 2023 kern.err kernel: [ 6627.339305] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Sun Mar 12 22:21:30 2023 daemon.notice pppd[16500]: Modem hangup
Sun Mar 12 22:21:30 2023 daemon.notice pppd[16500]: Connection terminated.
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.347791] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.355348] option 1-1:1.0: device disconnected
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.362895] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.367244] option 1-1:1.1: device disconnected
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.375566] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Sun Mar 12 22:21:30 2023 daemon.info pppd[16500]: Exit.
Sun Mar 12 22:21:30 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Sun Mar 12 22:21:30 2023 kern.info kernel: [ 6627.595653] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:30 2023 user.notice mwan3[16692]: Execute ifdown event on interface modem_1_1 (unknown)
Sun Mar 12 22:21:31 2023 kern.err kernel: [ 6627.714580] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:31 2023 kern.err kernel: [ 6627.944562] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:31 2023 kern.info kernel: [ 6628.184519] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:31 2023 kern.warn kernel: [ 6628.304569] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:31 2023 kern.warn kernel: [ 6628.514556] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:32 2023 kern.err kernel: [ 6628.724482] usb 1-1: device not accepting address 9, error -71
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6628.844610] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:32 2023 kern.warn kernel: [ 6628.844690] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:32 2023 kern.warn kernel: [ 6629.054527] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:32 2023 kern.err kernel: [ 6629.264478] usb 1-1: device not accepting address 9, error -71
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.384507] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.410587] option 1-1:1.0: GSM modem (1-port) converter detected
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.410845] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.415947] option 1-1:1.1: GSM modem (1-port) converter detected
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.423017] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Sun Mar 12 22:21:32 2023 kern.warn kernel: [ 6629.431621] huawei_cdc_ncm: probe of 1-1:1.2 failed with error -71
Sun Mar 12 22:21:32 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.455225] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.455298] option 1-1:1.0: device disconnected
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.462717] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.467440] option 1-1:1.1: device disconnected
Sun Mar 12 22:21:32 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Sun Mar 12 22:21:32 2023 kern.info kernel: [ 6629.595955] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:33 2023 kern.warn kernel: [ 6629.714860] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:33 2023 user.notice mwan3[17209]: Execute ifdown event on interface modem_1_1 (unknown)
Sun Mar 12 22:21:33 2023 kern.warn kernel: [ 6629.924515] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:33 2023 kern.err kernel: [ 6630.134482] usb 1-1: device not accepting address 9, error -71
Sun Mar 12 22:21:33 2023 kern.info kernel: [ 6630.254523] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:33 2023 kern.err kernel: [ 6630.374533] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:33 2023 kern.err kernel: [ 6630.604565] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:34 2023 kern.info kernel: [ 6630.834535] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:34 2023 kern.err kernel: [ 6630.854699] usb 1-1: device descriptor read/8, error -71
Sun Mar 12 22:21:34 2023 kern.err kernel: [ 6630.984734] usb 1-1: device descriptor read/8, error -71
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.054521] usb 1-1: reset high-speed USB device number 9 using xhci-hcd
Sun Mar 12 22:21:35 2023 kern.warn kernel: [ 6632.054577] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:35 2023 kern.warn kernel: [ 6632.264504] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:35 2023 kern.err kernel: [ 6632.474462] usb 1-1: device not accepting address 9, error -71
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.474587] usb 1-1: USB disconnect, device number 9
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.474671] option 1-1:1.0: GSM modem (1-port) converter detected
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.475078] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.475194] option 1-1:1.1: GSM modem (1-port) converter detected
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.475484] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.503705] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.510190] option 1-1:1.0: device disconnected
Sun Mar 12 22:21:35 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.518365] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Sun Mar 12 22:21:35 2023 kern.info kernel: [ 6632.522534] option 1-1:1.1: device disconnected
Sun Mar 12 22:21:35 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Sun Mar 12 22:21:36 2023 user.notice mwan3[17745]: Execute ifdown event on interface modem_1_1 (unknown)
Sun Mar 12 22:21:36 2023 kern.info kernel: [ 6632.934499] usb 1-1: new high-speed USB device number 10 using xhci-hcd
Sun Mar 12 22:21:36 2023 kern.warn kernel: [ 6633.054560] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:36 2023 kern.warn kernel: [ 6633.264587] usb 1-1: Device not responding to setup address.
Sun Mar 12 22:21:36 2023 kern.err kernel: [ 6633.474504] usb 1-1: device not accepting address 10, error -71
Sun Mar 12 22:21:36 2023 kern.info kernel: [ 6633.594507] usb 1-1: new high-speed USB device number 11 using xhci-hcd
Sun Mar 12 22:21:37 2023 kern.err kernel: [ 6633.714633] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:37 2023 kern.err kernel: [ 6633.944540] usb 1-1: device descriptor read/64, error -71
Sun Mar 12 22:21:38 2023 kern.err kernel: [ 6634.954485] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Sun Mar 12 22:21:39 2023 kern.err kernel: [ 6635.854512] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Sun Mar 12 22:21:39 2023 kern.err kernel: [ 6635.854638] usb usb1-port1: unable to enumerate USB device
2

Can you try switching to a more powerful power source? It looks like a power supply shortage is causing the modem to disconnect repeatedly.

3

I switched to a power source with 5V and 6A.

Now I get this behavior:

Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.652458] usb 1-1: new high-speed USB device number 5 using xhci-hcd
Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.839235] usb-storage 1-1:1.0: USB Mass Storage device detected
Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.839516] scsi host6: usb-storage 1-1:1.0
Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.845477] usb-storage 1-1:1.1: USB Mass Storage device detected
Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.848911] scsi host7: usb-storage 1-1:1.1
Mon Mar 13 10:49:25 2023 kern.info kernel: [  406.911081] usb 1-1: USB disconnect, device number 5
Mon Mar 13 10:49:25 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:49:25 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:49:25 2023 kern.info kernel: [  407.352460] usb 1-1: new high-speed USB device number 6 using xhci-hcd
Mon Mar 13 10:49:26 2023 user.notice mwan3[7490]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.496937] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.497153] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.502694] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.509285] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.534774] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.534807] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.540161] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.545816] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.551416] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.560088] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.565256] usb-storage 1-1:1.3: USB Mass Storage device detected
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.587395] scsi host8: usb-storage 1-1:1.3
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.588079] usb-storage 1-1:1.4: USB Mass Storage device detected
Mon Mar 13 10:49:26 2023 kern.info kernel: [  407.590557] scsi host9: usb-storage 1-1:1.4
Mon Mar 13 10:49:26 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:49:26 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:49:27 2023 kern.notice kernel: [  408.588036] scsi 8:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Mon Mar 13 10:49:27 2023 kern.notice kernel: [  408.593648] scsi 9:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Mon Mar 13 10:49:27 2023 kern.notice kernel: [  408.597767] sd 9:0:0:0: [sda] Attached SCSI removable disk
Mon Mar 13 10:49:27 2023 kern.err kernel: [  408.938359] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 10:49:27 2023 kern.err kernel: [  408.938404] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 10:49:28 2023 daemon.notice netifd: modem_1_1 (8076): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 10:49:28 2023 daemon.notice pppd[8692]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: abort on (BUSY)
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: abort on (NO CARRIER)
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: abort on (ERROR)
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: report (CONNECT)
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: timeout set to 10 seconds
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: timeout set to 30 seconds
Mon Mar 13 10:49:29 2023 local2.info chat[8693]: expect (OK)
Mon Mar 13 10:49:42 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:49:58 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:49:59 2023 local2.info chat[8693]: alarm
Mon Mar 13 10:49:59 2023 local2.info chat[8693]: Failed
Mon Mar 13 10:49:59 2023 daemon.err pppd[8692]: Connect script failed
Mon Mar 13 10:50:00 2023 daemon.info pppd[8692]: Exit.
Mon Mar 13 10:50:01 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:50:01 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:50:02 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:50:03 2023 daemon.notice netifd: modem_1_1 (10465): Trying to set mode
Mon Mar 13 10:50:03 2023 daemon.notice netifd: modem_1_1 (10465): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 10:50:03 2023 daemon.notice pppd[10836]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: abort on (BUSY)
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: abort on (NO CARRIER)
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: abort on (ERROR)
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: report (CONNECT)
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: timeout set to 10 seconds
Mon Mar 13 10:50:04 2023 local2.info chat[10837]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 10:50:05 2023 local2.info chat[10837]: timeout set to 30 seconds
Mon Mar 13 10:50:05 2023 local2.info chat[10837]: expect (OK)
Mon Mar 13 10:50:05 2023 local2.info chat[10837]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 10:50:05 2023 local2.info chat[10837]: +CME ERROR
Mon Mar 13 10:50:05 2023 local2.info chat[10837]:  -- failed
Mon Mar 13 10:50:05 2023 local2.info chat[10837]: Failed (ERROR)
Mon Mar 13 10:50:05 2023 daemon.err pppd[10836]: Connect script failed
Mon Mar 13 10:50:06 2023 daemon.info pppd[10836]: Exit.
Mon Mar 13 10:50:06 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:50:06 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:50:07 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:50:07 2023 kern.err kernel: [  449.122717] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 10:50:07 2023 kern.err kernel: [  449.122759] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 10:50:07 2023 kern.err kernel: [  449.129530] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 10:50:07 2023 daemon.notice netifd: modem_1_1 (10971): Segmentation fault (core dumped)
Mon Mar 13 10:50:07 2023 kern.info kernel: [  449.138339] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Mon Mar 13 10:50:07 2023 kern.info kernel: [  449.145146] option 1-1:1.0: device disconnected
Mon Mar 13 10:50:07 2023 kern.info kernel: [  449.153011] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 10:50:07 2023 kern.info kernel: [  449.157256] option 1-1:1.1: device disconnected
Mon Mar 13 10:50:07 2023 kern.info kernel: [  449.166163] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Mon Mar 13 10:50:07 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:50:08 2023 user.notice mwan3[11228]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 10:50:08 2023 kern.err kernel: [  450.152495] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Mon Mar 13 10:50:08 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:50:09 2023 kern.err kernel: [  451.052490] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Mon Mar 13 10:50:10 2023 kern.err kernel: [  451.952505] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Mon Mar 13 10:50:11 2023 kern.err kernel: [  452.852517] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.852730] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.858136] usb 1-1: USB disconnect, device number 6
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.864799] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.869331] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.877468] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.886335] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.888707] option 1-1:1.0: device disconnected
Mon Mar 13 10:50:11 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.896803] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 10:50:11 2023 kern.info kernel: [  452.901139] option 1-1:1.1: device disconnected
Mon Mar 13 10:50:11 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:50:11 2023 user.notice mwan3[11790]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.712513] usb 1-1: new high-speed USB device number 7 using xhci-hcd
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.858028] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.858261] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.863849] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.870607] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.895368] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.895398] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.900922] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.906437] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.911732] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.920790] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.926083] usb-storage 1-1:1.3: USB Mass Storage device detected
Mon Mar 13 10:50:12 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.947956] scsi host10: usb-storage 1-1:1.3
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.948688] usb-storage 1-1:1.4: USB Mass Storage device detected
Mon Mar 13 10:50:12 2023 kern.info kernel: [  453.961584] scsi host11: usb-storage 1-1:1.4
Mon Mar 13 10:50:13 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:50:13 2023 kern.notice kernel: [  454.945535] scsi 10:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Mon Mar 13 10:50:13 2023 kern.notice kernel: [  454.965070] scsi 11:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Mon Mar 13 10:50:13 2023 kern.notice kernel: [  454.969064] sd 11:0:0:0: [sda] Attached SCSI removable disk
Mon Mar 13 10:50:14 2023 kern.err kernel: [  455.857978] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 10:50:14 2023 kern.err kernel: [  455.858022] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 10:50:15 2023 daemon.notice netifd: modem_1_1 (13227): Trying to set mode
Mon Mar 13 10:50:16 2023 daemon.notice netifd: modem_1_1 (13227): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 10:50:16 2023 daemon.notice pppd[13891]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: abort on (BUSY)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: abort on (NO CARRIER)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: abort on (ERROR)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: report (CONNECT)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: timeout set to 10 seconds
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: timeout set to 30 seconds
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: expect (OK)
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: +CME ERROR
Mon Mar 13 10:50:17 2023 local2.info chat[14027]:  -- failed
Mon Mar 13 10:50:17 2023 local2.info chat[14027]: Failed (ERROR)
Mon Mar 13 10:50:17 2023 daemon.err pppd[13891]: Connect script failed
Mon Mar 13 10:50:18 2023 daemon.info pppd[13891]: Exit.
Mon Mar 13 10:50:18 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 10:50:18 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 10:50:19 2023 daemon.err odhcpd[3268]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 10:50:21 2023 daemon.notice netifd: modem_1_1 (14160): Trying to set mode
Mon Mar 13 10:50:21 2023 daemon.notice netifd: modem_1_1 (14160): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 10:50:21 2023 daemon.notice pppd[14451]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: abort on (BUSY)
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: abort on (NO CARRIER)
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: abort on (ERROR)
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: report (CONNECT)
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: timeout set to 10 seconds
Mon Mar 13 10:50:22 2023 local2.info chat[14462]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 10:50:23 2023 local2.info chat[14462]: timeout set to 30 seconds
Mon Mar 13 10:50:23 2023 local2.info chat[14462]: expect (OK)
Mon Mar 13 10:50:23 2023 local2.info chat[14462]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 10:50:23 2023 local2.info chat[14462]: +CME ERROR
Mon Mar 13 10:50:23 2023 local2.info chat[14462]:  -- failed
Mon Mar 13 10:50:23 2023 local2.info chat[14462]: Failed (ERROR)
Mon Mar 13 10:50:23 2023 daemon.err pppd[14451]: Connect script failed
Mon Mar 13 10:50:24 2023 daemon.info pppd[14451]: Exit.
Mon Mar 13 10:50:24 2023 daemon.notice netifd: Interface 'modem_1_1' is now down

The last part between “is setting up now” and “is now down” keeps looping until I unplug the stick.

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4

The stick is an E3276s-150 and should work according to the list on Cellular - GL.iNet Docs 4

After putting the stick in LTE only on my laptop I get this behaviour:

Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.238165] usb 1-1: new high-speed USB device number 7 using xhci-hcd
Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.423785] usb-storage 1-1:1.0: USB Mass Storage device detected
Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.424065] scsi host10: usb-storage 1-1:1.0
Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.429977] usb-storage 1-1:1.1: USB Mass Storage device detected
Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.433651] scsi host11: usb-storage 1-1:1.1
Mon Mar 13 11:14:59 2023 kern.info kernel: [ 1060.488556] usb 1-1: USB disconnect, device number 7
Mon Mar 13 11:14:59 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:14:59 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1060.928378] usb 1-1: new high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:00 2023 user.notice mwan3[9655]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.072778] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.072993] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.078491] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.085058] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.113054] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.113085] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.118487] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.123826] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.129543] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.138596] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.143239] usb-storage 1-1:1.3: USB Mass Storage device detected
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.162337] scsi host12: usb-storage 1-1:1.3
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.163129] usb-storage 1-1:1.4: USB Mass Storage device detected
Mon Mar 13 11:15:00 2023 kern.info kernel: [ 1061.165838] scsi host13: usb-storage 1-1:1.4
Mon Mar 13 11:15:00 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:15:00 2023 daemon.err odhcpd[3271]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 11:15:01 2023 kern.notice kernel: [ 1062.169129] scsi 12:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Mon Mar 13 11:15:01 2023 kern.notice kernel: [ 1062.170505] scsi 13:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Mon Mar 13 11:15:01 2023 kern.notice kernel: [ 1062.179458] sd 13:0:0:0: [sda] Attached SCSI removable disk
Mon Mar 13 11:15:02 2023 daemon.notice netifd: modem_1_1 (10242): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 11:15:02 2023 daemon.notice pppd[10940]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: abort on (BUSY)
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: abort on (NO CARRIER)
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: abort on (ERROR)
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: report (CONNECT)
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: timeout set to 10 seconds
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: timeout set to 30 seconds
Mon Mar 13 11:15:03 2023 local2.info chat[10974]: expect (OK)
Mon Mar 13 11:15:04 2023 kern.err kernel: [ 1065.483808] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 11:15:04 2023 kern.err kernel: [ 1065.483853] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 11:15:09 2023 kern.err kernel: [ 1070.878434] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:09 2023 kern.err kernel: [ 1070.878477] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:09 2023 kern.err kernel: [ 1070.885247] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:09 2023 local2.info chat[10974]: warning: read() on stdin returned 0
Mon Mar 13 11:15:09 2023 local2.info chat[10974]: Failed
Mon Mar 13 11:15:09 2023 local2.err chat[10974]: Can't restore terminal parameters: I/O error
Mon Mar 13 11:15:09 2023 daemon.err pppd[10940]: Connect script failed
Mon Mar 13 11:15:09 2023 kern.info kernel: [ 1070.893391] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Mon Mar 13 11:15:09 2023 kern.info kernel: [ 1070.901561] option 1-1:1.0: device disconnected
Mon Mar 13 11:15:09 2023 kern.info kernel: [ 1070.908807] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 11:15:09 2023 kern.info kernel: [ 1070.913131] option 1-1:1.1: device disconnected
Mon Mar 13 11:15:09 2023 kern.info kernel: [ 1070.921585] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Mon Mar 13 11:15:10 2023 daemon.info pppd[10940]: Exit.
Mon Mar 13 11:15:10 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.089846] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.232301] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.232546] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.237527] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.244871] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 11:15:10 2023 user.notice mwan3[11413]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.270566] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.270597] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.275871] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 11:15:10 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.281836] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.287065] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 11:15:10 2023 kern.info kernel: [ 1071.295930] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:11 2023 daemon.err odhcpd[3271]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 11:15:12 2023 daemon.notice netifd: modem_1_1 (11567): Trying to set mode
Mon Mar 13 11:15:15 2023 kern.err kernel: [ 1075.998436] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:15 2023 kern.err kernel: [ 1075.998476] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:15 2023 kern.err kernel: [ 1076.005249] option1 ttyUSB0: usb_wwan_indat_callback: resubmit read urb failed. (-2)
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.013189] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.021362] option 1-1:1.0: device disconnected
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.029000] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.033028] option 1-1:1.1: device disconnected
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.041292] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Mon Mar 13 11:15:15 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.219880] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.362306] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.362561] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.367556] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.375004] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.400545] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.400576] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.405795] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.412032] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.416757] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 11:15:15 2023 kern.info kernel: [ 1076.426189] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:15 2023 user.notice mwan3[12169]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.238686] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.238753] option 1-1:1.0: device disconnected
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.246517] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.250209] option 1-1:1.1: device disconnected
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.258047] huawei_cdc_ncm 1-1:1.2 wwan0: unregister 'huawei_cdc_ncm' usb-xhci-hcd.0.auto-1, Huawei CDC NCM device
Mon Mar 13 11:15:49 2023 kern.info kernel: [ 1110.459860] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:49 2023 kern.err kernel: [ 1110.578405] usb 1-1: device descriptor read/64, error -71
Mon Mar 13 11:15:49 2023 kern.err kernel: [ 1110.808399] usb 1-1: device descriptor read/64, error -71
Mon Mar 13 11:15:50 2023 kern.err kernel: [ 1111.818402] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
Mon Mar 13 11:15:51 2023 kern.info kernel: [ 1111.938419] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:51 2023 kern.err kernel: [ 1112.358385] usb 1-1: device not accepting address 8, error -22
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.108419] usb 1-1: reset high-speed USB device number 8 using xhci-hcd
Mon Mar 13 11:15:52 2023 kern.err kernel: [ 1113.528387] usb 1-1: device not accepting address 8, error -22
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.528512] usb 1-1: USB disconnect, device number 8
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.528589] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.528812] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.528908] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.529068] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 11:15:52 2023 kern.err kernel: [ 1113.533130] xhci-hcd xhci-hcd.0.auto: ERROR: unexpected command completion code 0x13.
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.533140] usb 1-1: Not enough bandwidth for altsetting 0
Mon Mar 13 11:15:52 2023 kern.warn kernel: [ 1113.533153] huawei_cdc_ncm: probe of 1-1:1.2 failed with error -22
Mon Mar 13 11:15:52 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.577464] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.583434] option 1-1:1.0: device disconnected
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.591546] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
Mon Mar 13 11:15:52 2023 kern.info kernel: [ 1113.596055] option 1-1:1.1: device disconnected
Mon Mar 13 11:15:52 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:15:52 2023 user.notice mwan3[14549]: Execute ifdown event on interface modem_1_1 (unknown)
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1113.968423] usb 1-1: new high-speed USB device number 9 using xhci-hcd
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.113861] option 1-1:1.0: GSM modem (1-port) converter detected
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.114085] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.119380] option 1-1:1.1: GSM modem (1-port) converter detected
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.126086] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.151371] huawei_cdc_ncm 1-1:1.2: MAC-Address: 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.151403] huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.156948] huawei_cdc_ncm 1-1:1.2: setting tx_max = 16384
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.162647] huawei_cdc_ncm 1-1:1.2: NDP will be placed at end of frame for this device.
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.167764] huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.176458] huawei_cdc_ncm 1-1:1.2 wwan0: register 'huawei_cdc_ncm' at usb-xhci-hcd.0.auto-1, Huawei CDC NCM device, 0c:5b:8f:27:9a:64
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.181693] usb-storage 1-1:1.3: USB Mass Storage device detected
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.196633] scsi host14: usb-storage 1-1:1.3
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.199936] usb-storage 1-1:1.4: USB Mass Storage device detected
Mon Mar 13 11:15:53 2023 kern.info kernel: [ 1114.204057] scsi host15: usb-storage 1-1:1.4
Mon Mar 13 11:15:53 2023 daemon.err odhcpd[3271]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 11:15:54 2023 kern.notice kernel: [ 1115.200603] scsi 14:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Mon Mar 13 11:15:54 2023 kern.notice kernel: [ 1115.210024] scsi 15:0:0:0: Direct-Access     HUAWEI   TF CARD Storage  2.31 PQ: 0 ANSI: 2
Mon Mar 13 11:15:54 2023 kern.notice kernel: [ 1115.216068] sd 15:0:0:0: [sda] Attached SCSI removable disk
Mon Mar 13 11:15:54 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:15:55 2023 kern.err kernel: [ 1116.567444] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 11:15:55 2023 kern.err kernel: [ 1116.567489] ubi0 error: ubi_open_volume: cannot open device 0, volume 2, error -16
Mon Mar 13 11:15:56 2023 daemon.notice netifd: modem_1_1 (15996): Trying to set mode
Mon Mar 13 11:15:57 2023 daemon.notice netifd: modem_1_1 (15996): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 11:15:57 2023 daemon.notice pppd[16755]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: abort on (BUSY)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: abort on (NO CARRIER)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: abort on (ERROR)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: report (CONNECT)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: timeout set to 10 seconds
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: timeout set to 30 seconds
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: expect (OK)
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: +CME ERROR
Mon Mar 13 11:15:58 2023 local2.info chat[16758]:  -- failed
Mon Mar 13 11:15:58 2023 local2.info chat[16758]: Failed (ERROR)
Mon Mar 13 11:15:58 2023 daemon.err pppd[16755]: Connect script failed
Mon Mar 13 11:15:59 2023 daemon.info pppd[16755]: Exit.
Mon Mar 13 11:16:00 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:16:00 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:16:01 2023 daemon.err odhcpd[3271]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 11:16:02 2023 daemon.notice netifd: modem_1_1 (16881): Trying to set mode
Mon Mar 13 11:16:02 2023 daemon.notice netifd: modem_1_1 (16881): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 11:16:02 2023 daemon.notice pppd[17192]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: abort on (BUSY)
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: abort on (NO CARRIER)
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: abort on (ERROR)
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: report (CONNECT)
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: timeout set to 10 seconds
Mon Mar 13 11:16:03 2023 local2.info chat[17193]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 11:16:04 2023 local2.info chat[17193]: timeout set to 30 seconds
Mon Mar 13 11:16:04 2023 local2.info chat[17193]: expect (OK)
Mon Mar 13 11:16:04 2023 local2.info chat[17193]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 11:16:04 2023 local2.info chat[17193]: +CME ERROR
Mon Mar 13 11:16:04 2023 local2.info chat[17193]:  -- failed
Mon Mar 13 11:16:04 2023 local2.info chat[17193]: Failed (ERROR)
Mon Mar 13 11:16:04 2023 daemon.err pppd[17192]: Connect script failed
Mon Mar 13 11:16:05 2023 daemon.info pppd[17192]: Exit.
Mon Mar 13 11:16:05 2023 daemon.notice netifd: Interface 'modem_1_1' is now down
Mon Mar 13 11:16:05 2023 daemon.notice netifd: Interface 'modem_1_1' is setting up now
Mon Mar 13 11:16:06 2023 daemon.err odhcpd[3271]: Failed to send to ff02::1%guest@br-guest (Address not available)
Mon Mar 13 11:16:07 2023 daemon.notice netifd: modem_1_1 (17316): Trying to set mode
Mon Mar 13 11:16:08 2023 daemon.notice netifd: modem_1_1 (17316): cat: can't open '/tmp/modem.xhci-hcd.0.auto/signal': No such file or directory
Mon Mar 13 11:16:08 2023 daemon.notice pppd[17629]: pppd 2.4.8 started by root, uid 0
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: abort on (BUSY)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: abort on (NO CARRIER)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: abort on (ERROR)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: report (CONNECT)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: timeout set to 10 seconds
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: send (AT+CGDCONT=1,"IPV4V6","internet.telekom"^M)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: timeout set to 30 seconds
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: expect (OK)
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: AT+CGDCONT=1,"IPV4V6","internet.telekom"^M^M
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: +CME ERROR
Mon Mar 13 11:16:09 2023 local2.info chat[17630]:  -- failed
Mon Mar 13 11:16:09 2023 local2.info chat[17630]: Failed (ERROR)
Mon Mar 13 11:16:09 2023 daemon.err pppd[17629]: Connect script failed
Mon Mar 13 11:16:10 2023 daemon.info pppd[17629]: Exit.
Mon Mar 13 11:16:10 2023 daemon.notice netifd: Interface 'modem_1_1' is now down

The stick is connected directly to the USB port of the router. No cable in between.

5

I used the E3276S to test, except that the page prompts a little abnormal after dialing, the other functions worked fine, the following is my configuration.
I found that dialing only works the first time after inserting the modem; if you click disconnect on the page, you’ll need to unplug the modem

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