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[Bug 1335408] Re: NetworkManager breaks 3G connection directly after connection

 

Vladimir, it isn't same problem. My modem switch to modem mode from
drive, and it be seen by ConnectManager and it try to make connection.

By the way, my buying a huawei mobile router have "solved" the problem.

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https://bugs.launchpad.net/bugs/1335408

Title:
  NetworkManager breaks 3G connection directly after connection

Status in “network-manager” package in Ubuntu:
  Confirmed

Bug description:
  I have an Huawei 3g modem. It was recognized by udev as 12d1:15e7. But
  this changed to 12d1:1506 after installing native software
  (ConnectManager or MobilePartner). Now lsusb output looks like

  Bus 002 Device 008: ID 12d1:1506 Huawei Technologies Co., Ltd. E398
  LTE/UMTS/GSM Modem/Networkcard

  By the way, native driver and software works good, but some unstable
  and hard to set up vpn connection - need one more console, etc. But
  modem can works with Ubuntu.

  When I try to connect with Network manager connection breaks. Logs for
  ModemManager, NetworkManager and auth.log I attached.

  I try to add some dbus rules like here
  https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/346835
  and https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/417389
  but nothing help. My current org.freedesktop.NetworkManager.conf I
  attached to.

  My system is Ubuntu 14.04 and all latest upgrades.

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