I tried running `sudo dhclient wwan0`, it seems it got one of the modems to work, but I have two modems and `wwan1` remains with the same problem and `sudo dhclient wwan1` didn't seem to work on it.
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether b8:27:eb:87:22:8e brd ff:ff:ff:ff:ff:ff 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether b8:27:eb:d2:77:db brd ff:ff:ff:ff:ff:ff inet 192.168.0.16/24 brd 192.168.0.255 scope global dynamic noprefixroute wlan0 valid_lft 85555sec preferred_lft 85555sec inet6 2804:14c:7582:46bf::1007/128 scope global dynamic noprefixroute valid_lft 85557sec preferred_lft 85557sec inet6 2804:14c:7582:46bf:cfbe:7945:f701:da92/64 scope global dynamic noprefixroute valid_lft 86372sec preferred_lft 71972sec inet6 fe80::5139:cd08:a2a9:9a4e/64 scope link noprefixroute valid_lft forever preferred_lft forever 4: wwan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 0c:5b:8f:27:9a:64 brd ff:ff:ff:ff:ff:ff inet 100.70.243.89/30 brd 100.70.243.91 scope global noprefixroute wwan0 valid_lft forever preferred_lft forever 6: wwan1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 0c:5b:8f:27:9a:64 brd ff:ff:ff:ff:ff:ff inet 100.71.207.216/28 brd 100.71.207.223 scope global dynamic wwan1 valid_lft 518326sec preferred_lft 518326sec Em sáb., 2 de out. de 2021 às 11:36, Yegor Yefremov < yegorsli...@googlemail.com> escreveu: > Hi Lucas, > > On Sat, Oct 2, 2021 at 4:26 PM Lucas Pelegrino <lucas....@gmail.com> > wrote: > > > > Hello there. > > > > I have this behavior in my raspberry PI where a modem shows connected, > but I still can't connect to the internet: > > -------------------------------- > > General | path: /org/freedesktop/ModemManager1/Modem/4 > > | device id: ab1573a4186ee4930c3dbe7ee14e2dddcd10b4c2 > > -------------------------------- > > Hardware | manufacturer: huawei > > | model: E3276 > > | firmware revision: 21.260.05.01.150 > > | supported: gsm-umts > > | current: gsm-umts > > | equipment id: 866519011156587 > > -------------------------------- > > System | device: > /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.2 > > | drivers: huawei_cdc_ncm, option > > | plugin: huawei > > | primary port: cdc-wdm0 > > | ports: cdc-wdm0 (at), ttyUSB0 (at), ttyUSB1 (at), wwan0 (net) > > -------------------------------- > > Numbers | own: +xxxx > > -------------------------------- > > Status | unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), > sim-puk2 (10) > > | state: connected > > | power state: on > > | access tech: umts > > | signal quality: 41% (recent) > > -------------------------------- > > Modes | supported: allowed: 2g; preferred: none > > | allowed: 3g; preferred: none > > | allowed: 4g; preferred: none > > | allowed: 2g, 3g, 4g; preferred: none > > | current: allowed: 2g, 3g, 4g; preferred: none > > -------------------------------- > > IP | supported: ipv4, ipv6, ipv4v6 > > -------------------------------- > > 3GPP | imei: 866519011156587 > > | operator id: 72416 > > | operator name: Oi > > | registration: roaming > > -------------------------------- > > 3GPP EPS | ue mode of operation: csps-2 > > -------------------------------- > > SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/4 > > -------------------------------- > > Bearer | paths: /org/freedesktop/ModemManager1/Bearer/5 > > > > > > > > Weird thing is that on my Ubuntu desktop this modem works! The only > difference I noticed is that in my Ubuntu field 'access tech' is 'lte', > while above (on the pi) like you can see it's 'umts'. > > > > I figured the problem might be related to the 'access tech' field above, > so I tried forcing setting mode for '4g' but didn't work: > > > > $ sudo mmcli -m 4 --set-allowed-modes='4g' --set-preferred-mode='4g' > > error: couldn't set current modes: > 'GDBus.Error:org.freedesktop.ModemManager1.Error.Core.Unsupported: The > given combination of allowed and preferred modes is not supported' > > > > > > The only difference between my raspberry pi and my desktop machine is > that the pi is under a more recent version of ModemManager 1.16 vs 1.12 > from my desktop Ubuntu. > > > > Any ideas? > > Could you share your IP configuration i.e. please post the output of > the "ip addr" command. Looks like you haven't run dhcpclient or alike > on your wwan0 interface. > > Best regards, > Yegor >
