root@jsvgw001:/var/log# lsusb Bus 002 Device 004: ID 1e2d:00a0 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub root@jsvgw001:/var/log# nmcli connection show gsm-ttyACM0 connection.id: gsm-ttyACM0 connection.uuid: 50310b0a-631a-4beb-9476-312cd3d09dde connection.interface-name: ttyACM0 connection.type: gsm connection.autoconnect: yes connection.timestamp: 1578289024 connection.read-only: no connection.permissions: connection.zone: -- connection.master: -- connection.slave-type: -- connection.secondaries: connection.gateway-ping-timeout: 0 ipv4.method: auto ipv4.dns: ipv4.dns-search: ipv4.addresses: ipv4.routes: ipv4.ignore-auto-routes: no ipv4.ignore-auto-dns: no ipv4.dhcp-client-id: -- ipv4.dhcp-send-hostname: yes ipv4.dhcp-hostname: -- ipv4.never-default: no ipv4.may-fail: yes ipv6.method: auto ipv6.dns: ipv6.dns-search: ipv6.addresses: ipv6.routes: ipv6.ignore-auto-routes: no ipv6.ignore-auto-dns: no ipv6.never-default: no ipv6.may-fail: yes ipv6.ip6-privacy: -1 (unknown) ipv6.dhcp-hostname: -- gsm.number: *99# gsm.username: mobile@iij gsm.password: -- gsm.password-flags: 0 (none) gsm.apn: iijmobile.biz gsm.network-id: -- gsm.network-type: -1 gsm.allowed-bands: 1 (any) gsm.pin: -- gsm.pin-flags: 0 (none) gsm.home-only: no GENERAL.NAME: gsm-ttyACM0 GENERAL.UUID: 50310b0a-631a-4beb-9476-312cd3d09dde GENERAL.DEVICES: ttyACM0 GENERAL.STATE: activated GENERAL.DEFAULT: yes GENERAL.DEFAULT6: yes GENERAL.VPN: no GENERAL.ZONE: -- GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/ActiveConnection/6 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/Settings/1 GENERAL.SPEC-OBJECT: -- GENERAL.MASTER-PATH: -- IP4.ADDRESS[1]: ip = 192.168.15.146/24, gw = 192.168.15.1 IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000 IP4.DNS[1]: 192.168.15.1 IP4.DOMAIN[1]: lan DHCP4.OPTION[1]: requested_subnet_mask = 1 DHCP4.OPTION[2]: requested_rfc3442_classless_static_routes = 1 DHCP4.OPTION[3]: subnet_mask = 255.255.255.0 DHCP4.OPTION[4]: domain_name_servers = 192.168.15.1 DHCP4.OPTION[5]: ip_address = 192.168.15.146 DHCP4.OPTION[6]: requested_static_routes = 1 DHCP4.OPTION[7]: dhcp_server_identifier = 192.168.15.1 DHCP4.OPTION[8]: requested_time_offset = 1 DHCP4.OPTION[9]: broadcast_address = 192.168.15.255 DHCP4.OPTION[10]: requested_interface_mtu = 1 DHCP4.OPTION[11]: dhcp_rebinding_time = 37800 DHCP4.OPTION[12]: requested_domain_name_servers = 1 DHCP4.OPTION[13]: dhcp_message_type = 5 DHCP4.OPTION[14]: requested_broadcast_address = 1 DHCP4.OPTION[15]: routers = 192.168.15.1 DHCP4.OPTION[16]: dhcp_renewal_time = 21600 DHCP4.OPTION[17]: requested_domain_name = 1 DHCP4.OPTION[18]: domain_name = lan DHCP4.OPTION[19]: requested_routers = 1 DHCP4.OPTION[20]: expiry = 1578332224 DHCP4.OPTION[21]: host_name = jsvgw001 DHCP4.OPTION[22]: requested_netbios_scope = 1 DHCP4.OPTION[23]: requested_wpad = 1 DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1 DHCP4.OPTION[25]: requested_netbios_name_servers = 1 DHCP4.OPTION[26]: network_number = 192.168.15.0 DHCP4.OPTION[27]: requested_domain_search = 1 DHCP4.OPTION[28]: next_server = 192.168.15.1 DHCP4.OPTION[29]: requested_ntp_servers = 1 DHCP4.OPTION[30]: requested_host_name = 1 DHCP4.OPTION[31]: dhcp_lease_time = 43200 IP6.ADDRESS[1]: ip = fe80::80:79ff:fe94:8440/64, gw = :: oot@jsvgw001:/var/log# mmcli -m 0 /org/freedesktop/ModemManager1/Modem/0 (device id '180b5ace267c71c52ea05f0b209aa3db3cddee12') ------------------------- Hardware | manufacturer: 'Cinterion' | model: 'ELS31-J' | revision: 'REVISION 4.3.2.1b' | supported: 'gsm-umts, lte' | current: 'gsm-umts, lte' | equipment id: '000000000000000' ------------------------- System | device: '/sys/devices/soc/30800000.aips-bus/30b20000.usb/ci_hdrc.1/usb2/2-1' | drivers: 'cdc_acm, cdc_ether' | plugin: 'Cinterion ELS' | primary port: 'ttyACM0' | ports: 'ttyACM0 (at), usb1 (net)' ------------------------- Numbers | own : '02010051914' ------------------------- Status | lock: 'none' | unlock retries: 'unknown' | state: 'connected' | power state: 'on' | access tech: 'lte' | signal quality: '38' (recent) ------------------------- Modes | supported: 'allowed: 4g; preferred: none' | current: 'allowed: 4g; preferred: none' ------------------------- Bands | supported: 'unknown' | current: 'unknown' ------------------------- IP | supported: 'none' ------------------------- 3GPP | imei: '000000000000000' | enabled locks: 'none' | operator id: 'unknown' | operator name: 'unknown' | subscription: 'unknown' | registration: 'home' ------------------------- SIM | path: '/org/freedesktop/ModemManager1/SIM/0' ------------------------- Bearers | paths: '/org/freedesktop/ModemManager1/Bearer/0'