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Sophos XG Home Edition on PCEngines APU and Sierra Wireless MC7455

Box Hal

Hi all.

I've Sophos Home Edition successfully installed on a PCEngines APU 4D4 (https://pcengines.ch/apu4d4.htm) mini appliance, embedded with 2x Mini-PCIe internal slots and 2 SIM slots.

I'd like to configure a WWAN connection using a Sierra Wireless MC7455 Mini-PCIe card (that is being successfully recognized by the system - in fact, I know it's compatible), but even if I follow every sort of ufficial/unofficial guide I cannot connect to the 4G provider and the message is always CONNECTING, then RECONNECTING, but never CONNECTED with an IP different from the default 128.0.0.1.

Could anyone help me?

Thanks in advance.

Bye



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  • FormerMember
    0 FormerMember

    Hi ,

    Thank you for reaching out to Sophos Community.

    Request to follow the below steps and share session output here or in PM.

    ==> Login to SSH > 5. Device Management > 3. Advanced Shell

    ==> Run the below command and try to connect Cellular WAN.

    # tail -f /log/networkd.log


    ==> Please share the output of below commands as well.

    # tail -100 /log/syslog.log | grep -i "usb"

    # tail -50 /log/mdev.log 

Reply
  • FormerMember
    0 FormerMember

    Hi ,

    Thank you for reaching out to Sophos Community.

    Request to follow the below steps and share session output here or in PM.

    ==> Login to SSH > 5. Device Management > 3. Advanced Shell

    ==> Run the below command and try to connect Cellular WAN.

    # tail -f /log/networkd.log


    ==> Please share the output of below commands as well.

    # tail -100 /log/syslog.log | grep -i "usb"

    # tail -50 /log/mdev.log 

Children
  • 0 in reply to FormerMember

    Hi.

    Thank you for your prompt response. Here folliowing the logs for each command:

    # tail -f /log/networkd.log

    ATZ
    OK
    --> Modem initialized.
    --> Sending: ATDT*99#
    --> Waiting for carrier.
    ATDT*99#
    CONNECT 150000000
    --> Carrier detected. Starting PPP immediately.
    --> Starting pppd at Sun Jan 4 00:26:59 1970
    --> PPP daemon has died! (exit code = 16)
    --> Disconnecting at Sat Aug 21 08:29:13 2021
    --> Auto Reconnect will be attempted in 10 seconds
    --> pppd error! Look at files in /var/log for an explanation.
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    Sending discover...
    Sending discover...
    Sending discover...
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    --> Sending: ATDT*99#
    --> Waiting for carrier.
    ATDT*99#
    CONNECT 150000000
    --> Carrier detected. Starting PPP immediately.
    --> Starting pppd at Sun Jan 4 00:27:15 1970
    --> PPP daemon has died! (exit code = 16)
    --> Disconnecting at Sat Aug 21 08:29:29 2021
    --> Auto Reconnect will be attempted in 20 seconds
    --> pppd error! Look at files in /var/log for an explanation.
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    Sending discover...
    Sending discover...
    Sending discover...
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    --> Sending: ATDT*99#
    --> Waiting for carrier.
    ATDT*99#
    CONNECT 150000000
    --> Carrier detected. Starting PPP immediately.
    --> Starting pppd at Sun Jan 4 00:27:41 1970
    --> PPP daemon has died! (exit code = 16)
    --> Disconnecting at Sat Aug 21 08:29:55 2021
    --> Auto Reconnect will be attempted in 40 seconds
    --> pppd error! Look at files in /var/log for an explanation.
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    Sending discover...
    Sending discover...
    Sending discover...
    --> Initializing modem.
    --> Sending: ATZ
    ATZ
    OK
    --> Modem initialized.
    --> Sending: ATDT*99#
    --> Waiting for carrier.
    ATDT*99#
    CONNECT 150000000
    --> Carrier detected. Starting PPP immediately.
    --> Starting pppd at Sun Jan 4 00:28:27 1970
    --> PPP daemon has died! (exit code = 16)
    --> Disconnecting at Sat Aug 21 08:30:41 2021
    --> Auto Reconnect will be attempted in 80 seconds
    --> pppd error! Look at files in /var/log for an explanation.

    tail -100 /log/syslog.log | grep -i "usb"

    Aug 21 08:29:13 (none) daemon.notice pppd[21439]: /dev/ttyUSB2: pppd 2.4.7 started by root, uid 0
    Aug 21 08:29:13 (none) daemon.info pppd[21439]: /dev/ttyUSB2: Using interface WWAN1
    Aug 21 08:29:13 (none) daemon.notice pppd[21439]: /dev/ttyUSB2: Connect: WWAN1 <--> /dev/ttyUSB2
    Aug 21 08:29:13 (none) daemon.info pppd[21439]: /dev/ttyUSB2: Hangup (SIGHUP)
    Aug 21 08:29:13 (none) daemon.notice pppd[21439]: /dev/ttyUSB2: Modem hangup
    Aug 21 08:29:13 (none) daemon.notice pppd[21439]: /dev/ttyUSB2: Connection terminated.
    Aug 21 08:29:13 (none) daemon.info pppd[21439]: /dev/ttyUSB2: Exit.
    Aug 21 08:29:29 (none) daemon.notice pppd[21506]: /dev/ttyUSB2: pppd 2.4.7 started by root, uid 0
    Aug 21 08:29:29 (none) daemon.info pppd[21506]: /dev/ttyUSB2: Using interface WWAN1
    Aug 21 08:29:29 (none) daemon.notice pppd[21506]: /dev/ttyUSB2: Connect: WWAN1 <--> /dev/ttyUSB2
    Aug 21 08:29:29 (none) daemon.info pppd[21506]: /dev/ttyUSB2: Hangup (SIGHUP)
    Aug 21 08:29:29 (none) daemon.notice pppd[21506]: /dev/ttyUSB2: Modem hangup
    Aug 21 08:29:29 (none) daemon.notice pppd[21506]: /dev/ttyUSB2: Connection terminated.
    Aug 21 08:29:29 (none) daemon.info pppd[21506]: /dev/ttyUSB2: Exit.
    Aug 21 08:29:55 (none) daemon.notice pppd[21556]: /dev/ttyUSB2: pppd 2.4.7 started by root, uid 0
    Aug 21 08:29:55 (none) daemon.info pppd[21556]: /dev/ttyUSB2: Using interface WWAN1
    Aug 21 08:29:55 (none) daemon.notice pppd[21556]: /dev/ttyUSB2: Connect: WWAN1 <--> /dev/ttyUSB2
    Aug 21 08:29:55 (none) daemon.info pppd[21556]: /dev/ttyUSB2: Hangup (SIGHUP)
    Aug 21 08:29:55 (none) daemon.notice pppd[21556]: /dev/ttyUSB2: Modem hangup
    Aug 21 08:29:55 (none) daemon.notice pppd[21556]: /dev/ttyUSB2: Connection terminated.
    Aug 21 08:29:55 (none) daemon.info pppd[21556]: /dev/ttyUSB2: Exit.
    Aug 21 08:30:41 (none) daemon.notice pppd[21706]: /dev/ttyUSB2: pppd 2.4.7 started by root, uid 0
    Aug 21 08:30:41 (none) daemon.info pppd[21706]: /dev/ttyUSB2: Using interface WWAN1
    Aug 21 08:30:41 (none) daemon.notice pppd[21706]: /dev/ttyUSB2: Connect: WWAN1 <--> /dev/ttyUSB2
    Aug 21 08:30:41 (none) daemon.info pppd[21706]: /dev/ttyUSB2: Hangup (SIGHUP)
    Aug 21 08:30:41 (none) daemon.notice pppd[21706]: /dev/ttyUSB2: Modem hangup
    Aug 21 08:30:41 (none) daemon.notice pppd[21706]: /dev/ttyUSB2: Connection terminated.
    Aug 21 08:30:41 (none) daemon.info pppd[21706]: /dev/ttyUSB2: Exit.
    Aug 21 08:32:07 (none) daemon.notice pppd[21987]: /dev/ttyUSB2: pppd 2.4.7 started by root, uid 0
    Aug 21 08:32:07 (none) daemon.info pppd[21987]: /dev/ttyUSB2: Using interface WWAN1
    Aug 21 08:32:07 (none) daemon.notice pppd[21987]: /dev/ttyUSB2: Connect: WWAN1 <--> /dev/ttyUSB2
    Aug 21 08:32:07 (none) daemon.info pppd[21987]: /dev/ttyUSB2: Hangup (SIGHUP)
    Aug 21 08:32:07 (none) daemon.notice pppd[21987]: /dev/ttyUSB2: Modem hangup
    Aug 21 08:32:07 (none) daemon.notice pppd[21987]: /dev/ttyUSB2: Connection terminated.
    Aug 21 08:32:07 (none) daemon.info pppd[21987]: /dev/ttyUSB2: Exit.

    tail -50 /log/mdev.log 

    Wed Aug 18 09:24:24 CEST 2021 remove event: remove event from /devices/pci0000:00/0000:00:12.0/usb1/1-1 for 0438 7900
    Wed Aug 18 09:24:25 CEST 2021 remove event: remove event from /devices/pci0000:00/0000:00:13.0/usb2/2-1/2-1.3 for 1199 9071
    Wed Aug 18 09:24:27 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:30 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:32 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:34 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:36 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:38 CEST 2021 add event: it's hub so leaving it
    Wed Aug 18 09:24:39 CEST 2021 add event: add event from /devices/pci0000:00/0000:00:13.0/usb2/2-1/2-1.3
    UPDATE 1
    Wed Aug 18 09:24:40 CEST 2021 add event : found /dev/ttyUSB0
    Wed Aug 18 09:24:40 CEST 2021 add event : found /dev/ttyUSB4
    Wed Aug 18 09:24:40 CEST 2021 add event : found /dev/ttyUSB1
    Wed Aug 18 09:24:40 CEST 2021 add event : found /dev/ttyUSB2
    Wed Aug 18 09:24:40 CEST 2021 add event : found /dev/ttyUSB3
    Wed Aug 18 09:24:40 CEST 2021 scan start
    Wed Aug 18 09:24:40 CEST 2021 scaning /dev/ttyUSB0 ati .....
    Wed Aug 18 09:24:42 CEST 2021 scaning /dev/ttyUSB0 scan .....
    /dev/ttyUSB0 is not responding
    Wed Aug 18 09:24:43 CEST 2021 scaning /dev/ttyUSB4 ati .....
    Wed Aug 18 09:24:45 CEST 2021 scaning /dev/ttyUSB4 scan .....
    /dev/ttyUSB4 is not responding
    Wed Aug 18 09:24:47 CEST 2021 scaning /dev/ttyUSB1 ati .....
    Wed Aug 18 09:24:49 CEST 2021 scaning /dev/ttyUSB1 scan .....
    /dev/ttyUSB1 is not responding
    Wed Aug 18 09:24:51 CEST 2021 scaning /dev/ttyUSB2 ati .....
    ati
    Manufacturer: Sierra Wireless, Incorporated
    Model: MC7455
    Revision: SWI9X30C_02.26.00.00 r7073 CARMD-EV-FRMWR2 2017/08/02 00:49:15
    MEID: 3XXXXXXYYYYYYZZ
    IMEI: 3XXXXXXYYYYYYZZ
    IMEI SV: 11
    FSN: LQ727691000410
    +GCAP: +CGSM

    Thanks in advance.

    Bye

  • 0 in reply to FormerMember

    Hi.

    Any good news?

    Thanks

    Bye