Thank’s for your help !
Currently, NetworkManager success to connect over the modem. It gave me an IP, but I still can’t ping whatever on internet.
There is the result for : mmcli -m 0 :
--------------------------------
General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: 39b3d2d91464a5c5430ef1be1eda3d3e9d8266e7
--------------------------------
Hardware | manufacturer: Sierra Wireless, Incorporated
| model: MC7700
| firmware revision: SWI9200X_03.05.29.03ap r6485 CNSHZ-ED-XP0031 2014/12/02 17:53:15
| h/w revision: 1.0
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: 012626001644788
--------------------------------
System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3
| drivers: qcserial, qmi_wwan
| plugin: sierra
| primary port: cdc-wdm0
| ports: cdc-wdm0 (qmi), ttyUSB0 (qcdm), ttyUSB2 (at), wwan0 (net)
--------------------------------
Status | lock: sim-pin2
| unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
| state: connected
| power state: on
| access tech: gsm
| signal quality: 41% (recent)
--------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 3g; preferred: 3g
| allowed: 2g, 3g; preferred: 2g
| allowed: 2g, 4g; preferred: 4g
| allowed: 2g, 4g; preferred: 2g
| allowed: 3g, 4g; preferred: 4g
| allowed: 3g, 4g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: 4g
| allowed: 2g, 3g, 4g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: 2g
| current: allowed: 2g, 3g, 4g; preferred: 2g
--------------------------------
Bands | supported: egsm, dcs, pcs, g850, utran-1, utran-6, utran-5, utran-2,
| eutran-4, eutran-17
| current: egsm, dcs, pcs, g850, utran-1, utran-6, utran-5, utran-2,
| eutran-4, eutran-17
--------------------------------
IP | supported: ipv4, ipv6, ipv4v6
--------------------------------
3GPP | imei: 012626001644788
| enabled locks: sim, fixed-dialing
| operator id: 20801
| operator name: Orange F
| registration: home
--------------------------------
3GPP EPS | ue mode of operation: ps-1
--------------------------------
SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
--------------------------------
Bearer | dbus path: /org/freedesktop/ModemManager1/Bearer/1
There is the result for : nmcli c
NAME UUID TYPE DEVICE
Wired connection 1 4030aba8-55ae-3ecf-aa04-b1ce2712de80 ethernet eth0
lte 0b36aa54-eda3-461b-992a-10767096a5dc gsm cdc-wdm0
There is the result for : nmcli d
DEVICE TYPE STATE CONNECTION
eth0 ethernet connected Wired connection 1
cdc-wdm0 gsm connected lte
wlan0 wifi disconnected --
p2p-dev-wlan0 wifi-p2p disconnected --
lo loopback unmanaged --
And there is the result for : ping -I wwan0 8.8.8.8 -c 5
PING 8.8.8.8 (8.8.8.8) from 10.248.136.107 wwan0: 56(84) bytes of data.
From 10.248.136.107 icmp_seq=1 Destination Host Unreachable
From 10.248.136.107 icmp_seq=2 Destination Host Unreachable
From 10.248.136.107 icmp_seq=3 Destination Host Unreachable
From 10.248.136.107 icmp_seq=4 Destination Host Unreachable
From 10.248.136.107 icmp_seq=5 Destination Host Unreachable
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 0 received, +5 errors, 100% packet loss, time 4129ms
pipe 3
Do you have a lead on the problem?