ModemManager-devel Digest, Vol 64, Issue 19

[Michael pang]

I did create one network interface named broadband according to the
website. I am missing the  DHCP client network interface. My EM7455 is in
MBIM mode. Does that matter? After I created two interface, still same
problem. I did notice some message in system log. Thank you for your help.
This is my first time compile openwrt package with modemmanager.
Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2089): Device not
found in sysfs
Sun Sep 30 20:30:03 2018 kern.info kernel: [   13.878492] IPv6:
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Sun Sep 30 20:30:03 2018 kern.info kernel: [   13.885034] IPv6:
ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
Sun Sep 30 20:30:03 2018 daemon.notice netifd: wan (2124): udhcpc: started,
v1.28.3
Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140): stopping
network
Sun Sep 30 20:30:03 2018 daemon.notice netifd: wwan (2164): udhcpc:
started, v1.28.3
Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140): error:
couldn't get bus: Could not connect: No such file or directory
Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140): couldn't
load bearer path
Sun Sep 30 20:30:03 2018 daemon.notice netifd: Interface 'broadband' is now
down

On Sun, Sep 30, 2018 at 7:33 PM Nick <mips171 at icloud.com> wrote:

> Did you set up the appropriate network interfaces in /etc/config/network?
> You need one for the modem, which uses the modemmanager protocol, and one
> DHCP client interface which gets the IP from the modemmanager interface
> after it connects to the cellular network.  Check alexander0m’s bitbucket
> profile with the modemmanager-openwrt repository, there is an example
> config there.  After you get that all set up, assuming your wwan0 interface
> is in raw_ip mode, which I think is required for 7455’s in QMI mode, then
> you should simply be able to connect using ifup broadband && ifup wwan.
>
>
> Best,
>
> Nicholas
>
> > On 30 Sep 2018, at 22:00,
> modemmanager-devel-request at lists.freedesktop.org wrote:
> >
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> >   1. Openwrt with EM7455 connecting issue (Michael pang)
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> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Sat, 29 Sep 2018 21:30:13 -0400
> > From: Michael pang <michaelpangwork at gmail.com>
> > To: modemmanager-devel at lists.freedesktop.org
> > Subject: Openwrt with EM7455 connecting issue
> > Message-ID:
> >       <CAHMghz3Cdc5XivVyXP+oMMR_d9BYONUCMx7KTkr=-
> aHmZ0Hh1g at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hello
> >       I am using OpenWrt 18.06.1 r7258-5eb055306f on linksys AC1900V2
> > router. EM7455 Generic firmware with M.2 usb enclosure and modemmanager
> > 1.8.2. I followed instruction on your website to compile the package.
> But I
> > can't get any connection. I have to issue 3 commands in order to get IP
> > address(no internet though). Did I do something wrong during the
> > compiling process? Thank you.
> >
> > mmcli -e -m 0
> > mmcli -m 0 --create-bearer="apn=Broadband"
> > mmcli -c -b 0
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> > End of ModemManager-devel Digest, Vol 64, Issue 19
> > **************************************************
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