우분투 사용중입니다. Sierra Wireless MC7430 모뎀에 SKT 사용하고있습니다. 펌웨어 최신업데이트 완료했고

통신사에 IMEI 기기등록하였고 APN ltetab.sktelecom.com으로 잡아서 status에 정상적으로 연결되었다고 나오는데

인터넷으로 나가질않습니다. ping도 안되는데 막혀서 뭘 더 봐야할지 모르겠네요ㅠ 

$ nmcli d show cdc-wdm0

GENERAL.DEVICE:                         cdc-wdm0

GENERAL.TYPE:                           gsm

GENERAL.HWADDR:                         (unknown)

GENERAL.MTU:                            0

GENERAL.STATE:                          100 (connected)

GENERAL.CONNECTION:                     ltetab

GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/14

IP4.ADDRESS[1]:                         10.13.10.147/29

IP4.GATEWAY:                            10.13.10.148

IP4.DNS[1]:                             223.62.230.7

IP4.DNS[2]:                             113.217.240.31

$ sudo mmcli -m 0

/org/freedesktop/ModemManager1/Modem/0 (device id '6ade9e807da9c1a66bdba8b672e6d0298abeb1b3')

  -------------------------

  Hardware |   manufacturer: 'Sierra Wireless, Incorporated'

           |          model: 'MC7430'

           |       revision: 'SWI9X30C_02.36.00.00 r8395 CARMD-EV-FRMWR2 2020/10/28 06:33:51'

           |   H/W revision: '1.0'

           |      supported: 'gsm-umts

           |                  lte

           |                  gsm-umts, lte'

           |        current: 'gsm-umts, lte'

           |   equipment id: '3590********3982'

  -------------------------

  System   |         device: '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-3'

           |        drivers: 'qcserial, qmi_wwan'

           |         plugin: 'Sierra'

           |   primary port: 'cdc-wdm0'

           |          ports: 'ttyUSB0 (qcdm), ttyUSB2 (at), cdc-wdm0 (qmi), cdc-wdm1 (qmi), wwan0 (net), wwan1 (net)'

  -------------------------

  Numbers  |           own : '010********'

  -------------------------

  Status   |           lock: 'sim-pin2'

           | unlock retries: 'sim-pin (3), sim-pin2 (3), sim-puk (10), sim-puk2 (10)'

           |          state: 'connected'

           |    power state: 'on'

           |    access tech: 'lte'

           | signal quality: '94' (recent)

  -------------------------

  Modes    |      supported: 'allowed: 2g, 3g, 4g; preferred: none'

           |        current: 'allowed: 2g, 3g, 4g; preferred: none'

  -------------------------

  Bands    |      supported: 'utran-1, utran-6, utran-5, utran-8, utran-9, eutran-1, eutran-3, eutran-5, eutran-7, eutran-8, eutran-18, eutran-19, eutran-21, eutran-38, eutran-39, eutran-40, eutran-41, utran-19'

           |        current: 'utran-1, utran-6, utran-5, utran-8, utran-9, eutran-1, eutran-3, eutran-5, eutran-7, eutran-8, eutran-18, eutran-19, eutran-21, eutran-38, eutran-39, eutran-40, eutran-41'

  -------------------------

  IP       |      supported: 'ipv4, ipv6, ipv4v6'

  -------------------------

  3GPP     |           imei: '3590********3982'

           |  enabled locks: 'none'

           |    operator id: '45005'

           |  operator name: 'unknown'

           |   subscription: 'unknown'

           |   registration: 'home'

           |    EPS UE mode: 'csps-2'

  -------------------------

  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'

  -------------------------

  Bearers  |          paths: '/org/freedesktop/ModemManager1/Bearer/21, /org/freedesktop/ModemManager1/Bearer/0'