--------------------------------
  General  |            dbus path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: 87ebc3bbd7c3691f6baa160a7e16662a3bec96d4
  --------------------------------
  Hardware |         manufacturer: QUALCOMM INCORPORATED
           |                model: 0
           |    firmware revision: EX1602E89X  1  [Feb 26 2013 04:00:00]
           |         h/w revision: 203F1000
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id: 861170000416999
  --------------------------------
  System   |               device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2
           |              drivers: option1, qmi_wwan
           |               plugin: Generic
           |         primary port: cdc-wdm0
           |                ports: cdc-wdm0 (qmi), ttyUSB0 (qcdm), ttyUSB2 (at), wwan0 (net), 
           |                       ttyUSB1 (at)
  --------------------------------
  Numbers  |                  own: 4917667122822
  --------------------------------
  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: lte
           |       signal quality: 60% (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: 3g
           |                       allowed: 3g, 4g; preferred: 4g
           |                       allowed: 2g, 3g, 4g; preferred: 4g
           |                       allowed: 2g, 3g, 4g; preferred: 3g
           |                       allowed: 2g, 3g, 4g; preferred: 2g
           |              current: allowed: 2g, 3g, 4g; preferred: 4g
  --------------------------------
  Bands    |            supported: egsm, dcs, pcs, g850, utran-1, utran-3, utran-8, eutran-1, 
           |                       eutran-3, eutran-7, eutran-8, eutran-20
           |              current: egsm, dcs, pcs, g850, utran-1, utran-3, utran-8, eutran-1, 
           |                       eutran-3, eutran-7, eutran-8, eutran-20
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |                 imei: 861170000416999
           |          operator id: 26203
           |        operator name: o2-de
           |         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/0

 --------------------------------
  General            |  dbus path: /org/freedesktop/ModemManager1/Bearer/0
                     |       type: default
  --------------------------------
  Status             |  connected: yes
                     |  suspended: no
                     |  interface: wwan0
                     | ip timeout: 20
  --------------------------------
  Properties         |        apn: internet
                     |    roaming: allowed
                     |    ip type: ipv4v6
  --------------------------------
  IPv4 configuration |     method: dhcp
                     |    address: 10.112.18.73
                     |     prefix: 30
                     |    gateway: 10.112.18.74
                     |        dns: 62.109.121.17, 62.109.121.18
                     |        mtu: 1500
  --------------------------------
  IPv6 configuration |     method: dhcp
                     |    address: 2a02:3033:400:bf6a:5c02:2244:9ce1:4a70
                     |     prefix: 64
                     |    gateway: 2a02:3033:400:bf6a:9085:e65e:dac3:74cb
                     |        dns: 2a02:3018:0:40ff::aaaa, 2a02:3018:0:40ff::bbbb
                     |        mtu: 1500
  --------------------------------
  Statistics         |   duration: 59
                     |   bytes rx: 51296
                     |   bytes tx: 40098

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/15
IP4.ADDRESS[1]:                         10.112.18.73/30
IP4.GATEWAY:                            10.112.18.74
IP4.ROUTE[1]:                           dst = 0.0.0.0/0, nh = 10.112.18.74, mt = 700
IP4.ROUTE[2]:                           dst = 10.112.18.72/30, nh = 0.0.0.0, mt = 700
IP4.DNS[1]:                             62.109.121.17
IP4.DNS[2]:                             62.109.121.18
IP6.ADDRESS[1]:                         2a02:3033:400:bf6a:5c02:2244:9ce1:4a70/64
IP6.GATEWAY:                            2a02:3033:400:bf6a:9085:e65e:dac3:74cb
IP6.ROUTE[1]:                           dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]:                           dst = 2a02:3033:400:bf6a::/64, nh = ::, mt = 700
IP6.ROUTE[3]:                           dst = ::/0, nh = 2a02:3033:400:bf6a:9085:e65e:dac3:74cb, mt = 700
IP6.DNS[1]:                             2a02:3018:0:40ff::aaaa
IP6.DNS[2]:                             2a02:3018:0:40ff::bbbb


linux-y7a7:~ # ping -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
^C
--- ct.de ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1021ms

linux-y7a7:~ # ping -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=79.1 ms
1460 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=2 ttl=50 time=43.2 ms
^C
--- ct.de ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 43.211/61.163/79.116/17.954 ms
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=146 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=113 time=18.1 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=113 time=58.7 ms

--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 18.116/74.473/146.552/53.599 ms
linux-y7a7:~ # ping -c3 2600::
PING 2600::(2600::) 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=44 time=219 ms
64 bytes from 2600::: icmp_seq=2 ttl=44 time=171 ms
64 bytes from 2600::: icmp_seq=3 ttl=44 time=172 ms

--- 2600:: ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 171.699/187.954/219.634/22.403 ms
linux-y7a7:~ # ping -c3 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 56 data bytes
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=1 ttl=50 time=67.2 ms
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=2 ttl=50 time=27.3 ms
64 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=3 ttl=50 time=21.6 ms

--- ct.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 21.697/38.750/67.229/20.268 ms
