mmcli -m 0
  ------------------------------------
  General  |                dbus path: /org/freedesktop/ModemManager1/Modem/0
           |                device id: c699fd99061d2ea8f7430672ad177aeb28d1b391
  ------------------------------------
  Hardware |             manufacturer: Sierra Wireless, Incorporated
           |                    model: Sierra Wireless EM7565 Qualcomm® Snapdragon™ X16 LTE-A
           |        firmware revision: SWI9X50C_01.14.02.00
           |           carrier config: default
           |             h/w revision: EM7565
           |                supported: gsm-umts, lte
           |                  current: gsm-umts, lte
           |             equipment id: 353533100124893
  ------------------------------------
  System   |                   device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2
           |                  drivers: cdc_mbim, qcserial
           |                   plugin: Sierra
           |             primary port: cdc-wdm0
           |                    ports: cdc-wdm0 (mbim), ttyUSB0 (qcdm), ttyUSB2 (at), wwan0 (net), 
           |                           ttyUSB1 (gps)
  ------------------------------------
  Numbers  |                      own: +4917667122822
  ------------------------------------
  Status   |           unlock retries: sim-pin2 (3)
           |                    state: connected
           |              power state: on
           |              access tech: lte
           |           signal quality: 16% (recent)
  ------------------------------------
  Modes    |                supported: allowed: 3g; preferred: none
           |                           allowed: 4g; preferred: none
           |                           allowed: 3g, 4g; preferred: 3g
           |                           allowed: 3g, 4g; preferred: 4g
           |                  current: allowed: 2g, 3g, 4g; preferred: 4g
  ------------------------------------
  Bands    |                supported: utran-1, utran-4, utran-6, utran-5, utran-8, utran-9, 
           |                           utran-2, eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, 
           |                           eutran-8, eutran-9, eutran-12, eutran-13, eutran-18, eutran-19, 
           |                           eutran-20, eutran-26, eutran-28, eutran-29, eutran-30, eutran-32, 
           |                           eutran-41, eutran-42, eutran-43, eutran-46, eutran-48, eutran-66, 
           |                           utran-19
           |                  current: utran-1, utran-4, utran-6, utran-5, utran-8, utran-9, 
           |                           utran-2, eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, 
           |                           eutran-8, eutran-9, eutran-12, eutran-13, eutran-18, eutran-19, 
           |                           eutran-20, eutran-26, eutran-28, eutran-29, eutran-30, eutran-32, 
           |                           eutran-41, eutran-42, eutran-43, eutran-46, eutran-48, eutran-66, 
           |                           utran-19
  ------------------------------------
  IP       |                supported: ipv4, ipv6, ipv4v6
  ------------------------------------
  3GPP     |                     imei: 353533100124893
           |            enabled locks: fixed-dialing
           |              operator id: 26203
           |            operator name: o2-de
           |             registration: home
  ------------------------------------
  3GPP EPS |     ue mode of operation: csps-2
           | initial bearer dbus path: /org/freedesktop/ModemManager1/Bearer/0
           |       initial bearer apn: internet
           |   initial bearer ip type: ipv4v6
           |      initial bearer user: tm
           |  initial bearer password: tm
  ------------------------------------
  SIM      |                dbus path: /org/freedesktop/ModemManager1/SIM/0
  ------------------------------------
  Bearer   |                dbus path: /org/freedesktop/ModemManager1/Bearer/1
  
 
mmcli -b 1
  --------------------------------
  General            |  dbus path: /org/freedesktop/ModemManager1/Bearer/1
                     |       type: default
  --------------------------------
  Status             |  connected: yes
                     |  suspended: no
                     |  interface: wwan0
                     | ip timeout: 20
  --------------------------------
  Properties         |        apn: internet
                     |    roaming: allowed
                     |    ip type: ipv4v6
  --------------------------------
  IPv4 configuration |     method: static
                     |    address: 10.144.79.18
                     |     prefix: 30
                     |    gateway: 10.144.79.17
                     |        dns: 62.109.121.17, 62.109.121.18
                     |        mtu: 1500
  --------------------------------
  IPv6 configuration |     method: static
                     |    address: 2a02:3033:400:be49:9c29:e4d8:fbe1:9021
                     |     prefix: 64
                     |    gateway: 2a02:3033:400:be49:98b0:d52d:c306:b5bb
                     |        dns: 2a02:3018:0:40ff::aaaa, 2a02:3018:0:40ff::bbbb
                     |        mtu: 1500
  --------------------------------
  Statistics         |   duration: 270
                     |   bytes rx: 2641866
                     |   bytes tx: 212970

nmcli device show cdc-wdm0 
GENERAL.DEVICE:                         cdc-wdm0
GENERAL.TYPE:                           gsm
GENERAL.HWADDR:                         (unbekannt)
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (verbunden)
GENERAL.CONNECTION:                     O2
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/1
IP4.ADDRESS[1]:                         10.144.79.18/30
IP4.GATEWAY:                            10.144.79.17
IP4.ROUTE[1]:                           dst = 10.144.79.16/30, nh = 0.0.0.0, mt = 700
IP4.ROUTE[2]:                           dst = 0.0.0.0/0, nh = 10.144.79.17, mt = 700
IP4.DNS[1]:                             62.109.121.17
IP4.DNS[2]:                             62.109.121.18
IP6.ADDRESS[1]:                         2a02:3033:400:be49:9c29:e4d8:fbe1:9021/64
IP6.GATEWAY:                            2a02:3033:400:be49:98b0:d52d:c306:b5bb
IP6.ROUTE[1]:                           dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]:                           dst = 2a02:3033:400:be49::/64, nh = ::, mt = 700
IP6.ROUTE[3]:                           dst = ::/0, nh = 2a02:3033:400:be49:98b0:d52d:c306:b5bb, mt = 700
IP6.DNS[1]:                             2a02:3018:0:40ff::aaaa
IP6.DNS[2]:                             2a02:3018:0:40ff::bbbb

linux-y7a7:~ # ping -c3 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=113 time=22.4 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=113 time=18.9 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=113 time=20.8 ms

--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 18.976/20.754/22.437/1.419 ms
linux-y7a7:~ # ping -c3 2600::
PING 2600::(2600::) 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=44 time=190 ms
64 bytes from 2600::: icmp_seq=2 ttl=44 time=164 ms
64 bytes from 2600::: icmp_seq=3 ttl=44 time=165 ms

--- 2600:: ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 164.625/173.331/190.272/11.985 ms
linux-y7a7:~ # ping -c3 -M do -s 1452 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 1452 data bytes
1460 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=1 ttl=50 time=45.5 ms
1460 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=2 ttl=50 time=46.7 ms
1460 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=3 ttl=50 time=43.9 ms

--- ct.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 43.967/45.423/46.722/1.130 ms
linux-y7a7:~ # ping -c3 -M do -s 1453 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 1453 data bytes
ping: sendmsg: Die Nachricht ist zu lang
ping: sendmsg: Die Nachricht ist zu lang
ping: sendmsg: Die Nachricht ist zu lang

--- ct.de ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2042ms

linux-y7a7:~ # 

