T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 18 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1199 ProdID=68c0 Rev=00.06
S:  Manufacturer=Sierra Wireless, Incorporated
S:  Product=MC7304
C:  #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:  If#=12 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
I:  If#=13 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim

mmcli -m 2
  -----------------------------
  General  |         dbus path: /org/freedesktop/ModemManager1/Modem/2
           |         device id: 4d31a515e7ebdee20346cf51028aa6936987d1ed
  -----------------------------
  Hardware |      manufacturer: Sierra Wireless, Incorporated
           |             model: MC7304
           | firmware revision: SWI9X15C_05.05.78.00
           |      h/w revision: MC7304
           |         supported: gsm-umts, lte
           |           current: gsm-umts, lte
           |      equipment id: 356853050080433
  -----------------------------
  System   |            device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2
           |           drivers: cdc_mbim
           |            plugin: Sierra
           |      primary port: cdc-wdm0
           |             ports: cdc-wdm0 (mbim), wwan0 (net)
  -----------------------------
  Numbers  |               own: 4917667122822
  -----------------------------
  Status   |    unlock retries: sim-pin2 (3)
           |             state: connected
           |       power state: on
           |       access tech: lte
           |    signal quality: 64% (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-6, utran-5, utran-8, 
           |                    utran-2, eutran-1, eutran-3, eutran-7, eutran-8, eutran-20
           |           current: egsm, dcs, pcs, g850, utran-1, utran-5, utran-8, utran-2, 
           |                    eutran-1, eutran-3, eutran-7, eutran-8, eutran-20
  -----------------------------
  IP       |         supported: ipv4, ipv6, ipv4v6
  -----------------------------
  3GPP     |              imei: 356853050080433
           |     enabled locks: fixed-dialing
           |       operator id: 26203
           |     operator name: o2-de
           |      registration: home
  -----------------------------
  SIM      |         dbus path: /org/freedesktop/ModemManager1/SIM/2
  -----------------------------
  Bearer   |         dbus path: /org/freedesktop/ModemManager1/Bearer/3

mmcli -b 3
  --------------------------------
  General            |  dbus path: /org/freedesktop/ModemManager1/Bearer/3
                     |       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: 10.115.212.188
                     |     prefix: 29
                     |    gateway: 10.115.212.189
                     |        dns: 62.109.121.17, 62.109.121.18
                     |        mtu: 1430
  --------------------------------
  IPv6 configuration |     method: static
                     |    address: 2a02:3033:400:9399:e419:2db1:1051:e54e
                     |     prefix: 64
                     |    gateway: 2a02:3033:400:9399:5847:bfd7:d664:6551
                     |        dns: 2a02:3018:0:40ff::aaaa, 2a02:3018:0:40ff::bbbb
                     |        mtu: 1430
  --------------------------------
  Statistics         |   duration: 119

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=171 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=113 time=16.6 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=113 time=21.5 ms

--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 16.660/69.988/171.785/72.008 ms
linux-y7a7:~ # ping -c3 2600::
PING 2600::(2600::) 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=44 time=297 ms
64 bytes from 2600::: icmp_seq=2 ttl=44 time=164 ms
64 bytes from 2600::: icmp_seq=3 ttl=44 time=161 ms

--- 2600:: ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 161.950/207.848/297.222/63.206 ms
linux-y7a7:~ # ping -c3 -M do -s 1382 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 1382 data bytes
1390 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=1 ttl=50 time=58.6 ms
1390 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=2 ttl=50 time=40.8 ms
1390 bytes from redirector.heise.de (2a02:2e0:3fe:1001:302::): icmp_seq=3 ttl=50 time=42.6 ms

--- ct.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 40.875/47.365/58.610/7.984 ms
linux-y7a7:~ # ping -c3 -M do -s 1383 ct.de
PING ct.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 1383 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 2053ms

(new connection) 

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/14
IP4.ADDRESS[1]:                         10.115.212.188/29
IP4.GATEWAY:                            10.115.212.189
IP4.ROUTE[1]:                           dst = 10.115.212.184/29, nh = 0.0.0.0, mt = 700
IP4.ROUTE[2]:                           dst = 0.0.0.0/0, nh = 10.115.212.189, mt = 700
IP4.DNS[1]:                             62.109.121.17
IP4.DNS[2]:                             62.109.121.18
IP6.ADDRESS[1]:                         2a02:3033:400:9399:1412:7eeb:1e8d:ebc5/64
IP6.GATEWAY:                            2a02:3033:400:9399:c0a9:e520:eaa5:ff07
IP6.ROUTE[1]:                           dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]:                           dst = 2a02:3033:400:9399::/64, nh = ::, mt = 700
IP6.ROUTE[3]:                           dst = ::/0, nh = 2a02:3033:400:9399:c0a9:e520:eaa5:ff07, mt = 700
IP6.DNS[1]:                             2a02:3018:0:40ff::aaaa
IP6.DNS[2]:                             2a02:3018:0:40ff::bbbb
