hm, it seems to work like this for me on E3372h: https://mail.gnome.org/archives/networkmanager-list/2021-March/msg00017.html
"NetworkManager is not thinking it will be a PPP connection, NM cannot know in advance what kind of connection it will be. Well it could, but it doesn't really do any guess. Instead NM waits for the bearer object exposed by MM to know which kind of connection it will be." so I simply setup the traditional way nmcli add type gsm <...> then when I do nmcli c up gsm, suprise, it configures the wwan0 interface, yey! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1592514 Title: 3G usb Card - mmcli and network manager broken compatibility Status in network-manager package in Ubuntu: Confirmed Bug description: This bug is specific to "ipv4 only" 3g providers Here is syslog Jun 14 19:26:12 Latitude-E5440 NetworkManager[758]: <info> [1465928772.9535] device (cdc-wdm1): Activation: starting connection 'XXXx XXXXX / XXX XXX XXX' (1554021e-ff2e-44f9-8e2d-c16cae73bfe0) Jun 14 19:26:12 Latitude-E5440 NetworkManager[758]: <info> [1465928772.9538] audit: op="connection-activate" uuid="1554021e-ff2e-44f9-8e2d-c16cae73bfe0" name="XXXx XXXXX / XXX XXX XXX" pid=1663 uid=1000 result="success" Jun 14 19:26:12 Latitude-E5440 NetworkManager[758]: <info> [1465928772.9542] device (cdc-wdm1): state change: disconnected -> prepare (reason 'none') [30 40 0] Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Simple connect started... Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Simple connect state (4/8): Wait to get fully enabled Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Simple connect state (5/8): Register Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Simple connect state (6/8): Bearer Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Simple connect state (7/8): Connect Jun 14 19:26:12 Latitude-E5440 ModemManager[675]: <info> Modem /org/freedesktop/ModemManager1/Modem/2: state changed (registered -> connecting) Jun 14 19:26:15 Latitude-E5440 ModemManager[675]: <info> error: couldn't get current settings: Cannot send message: QMI service 'wds' version '1.2' required, got version '1.1' Jun 14 19:26:15 Latitude-E5440 ModemManager[675]: <info> Modem /org/freedesktop/ModemManager1/Modem/2: state changed (connecting -> connected) Jun 14 19:26:15 Latitude-E5440 ModemManager[675]: <info> Simple connect state (8/8): All done Jun 14 19:26:15 Latitude-E5440 NetworkManager[758]: <warn> [1465928775.2418] (cdc-wdm1): failed to connect modem: invalid bearer IP configuration Jun 14 19:26:15 Latitude-E5440 NetworkManager[758]: <info> [1465928775.2419] device (cdc-wdm1): state change: prepare -> failed (reason 'config-failed') [40 120 4] Jun 14 19:26:15 Latitude-E5440 NetworkManager[758]: <info> [1465928775.2421] policy: disabling autoconnect for connection 'Tunisie Télécom / TUNTEL WEB DATA'. Jun 14 19:26:15 Latitude-E5440 NetworkManager[758]: <warn> [1465928775.2423] device (cdc-wdm1): Activation: failed for connection 'Tunisie Télécom / TUNTEL WEB DATA' Jun 14 19:26:15 Latitude-E5440 NetworkManager[758]: <info> [1465928775.2428] device (cdc-wdm1): state change: failed -> disconnected (reason 'none') [120 30 0] Jun 14 19:26:15 Latitude-E5440 ModemManager[675]: <info> Modem /org/freedesktop/ModemManager1/Modem/2: state changed (connected -> disconnecting) Jun 14 19:26:15 Latitude-E5440 ModemManager[675]: <info> Modem /org/freedesktop/ModemManager1/Modem/2: state changed (disconnecting -> registered) i managed to make it work using this shell script #!/bin/bash mmcli -m 0 -b $1 --connect ifconfig wwp0s29u1u8u3i3 up mmcli -m 0 -b $1 dhclient -d wwp0s29u1u8u3i3 & echo "nameserver 8.8.8.8" >> /etc/resolv.conf i also disabled ipv6 with gui To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1592514/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
