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[Bug 1413982] Re: Tethering via USB is an impossibly painful task

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** Description changed:

  What I want to do is incredibly simple:
  
  - I have my computer connected to eth1 which has internet access. This
  works fine.
  
  - I want to connect another network to usb0, not permanently - when I
  need to use it, and use this for Internet access while remaining
  connected to eth1 as there are resources I still want to access on that
  network.
  
  This appears to be impossible via the Network Manager applet. There is
  no logical sense to the routes chosen at all and editing the routes is
  even more of a mystery.
  
- Still working on it, I'll update if I can figure out a way around this
- disaster.
+ I gave up in the end and removed network-manager altogether. Adding a
+ metric in interfaces solves it much more easily.
+ 
+ # The loopback network interface
+ auto lo
+ iface lo inet loopback
+ 
+ # The primary network interface
+ auto eth1
+ iface eth1 inet dhcp
+ metric 10
+ 
+ # Phone
+ auto usb0
+ iface usb0 inet dhcp
+ metric 0
+ 
+ There is no obvious reason why I would choose Network Manager on a
+ desktop given that this simple functionality is apparently missing.
+ 
+ -------------------------------------------------------------------------
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: network-manager 0.9.4.0-0ubuntu4.4.2
  ProcVersionSignature: Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12
  Uname: Linux 3.11.0-26-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Fri Jan 23 11:26:30 2015
  IpRoute:
   default via 192.168.0.254 dev eth1  proto static
   169.254.0.0/16 dev eth1  scope link  metric 1000
   192.168.0.0/24 dev eth1  proto kernel  scope link  src 192.168.0.13  metric 1
   192.168.42.0/24 dev usb0  proto kernel  scope link  src 192.168.42.37  metric 1
  IwConfig:
   lo        no wireless extensions.
  
   eth1      no wireless extensions.
  
   usb0      no wireless extensions.
  MarkForUpload: True
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  RfKill:
  
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to precise on 2014-12-07 (46 days ago)
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH
   Wired connection 2        e02cf14b-492a-443f-9767-7b1a7e716f65   802-3-ethernet    1422012303   Fri 23 Jan 2015 11:25:03 GMT       yes           no         /org/freedesktop/NetworkManager/Settings/1
   Wired connection 1        a7eb3b41-0730-4393-beec-dd11610b1ee5   802-3-ethernet    1422012303   Fri 23 Jan 2015 11:25:03 GMT       yes           no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH
   usb0       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/1
   eth1       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN
   running         0.9.4.0    connected       enabled       enabled         enabled    enabled         disabled

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1413982

Title:
  Tethering via USB is an impossibly painful task

Status in network-manager package in Ubuntu:
  New

Bug description:
  What I want to do is incredibly simple:

  - I have my computer connected to eth1 which has internet access. This
  works fine.

  - I want to connect another network to usb0, not permanently - when I
  need to use it, and use this for Internet access while remaining
  connected to eth1 as there are resources I still want to access on
  that network.

  This appears to be impossible via the Network Manager applet. There is
  no logical sense to the routes chosen at all and editing the routes is
  even more of a mystery.

  I gave up in the end and removed network-manager altogether. Adding a
  metric in interfaces solves it much more easily.

  # The loopback network interface
  auto lo
  iface lo inet loopback

  # The primary network interface
  auto eth1
  iface eth1 inet dhcp
  metric 10

  # Phone
  auto usb0
  iface usb0 inet dhcp
  metric 0

  There is no obvious reason why I would choose Network Manager on a
  desktop given that this simple functionality is apparently missing.

  -------------------------------------------------------------------------

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: network-manager 0.9.4.0-0ubuntu4.4.2
  ProcVersionSignature: Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12
  Uname: Linux 3.11.0-26-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Fri Jan 23 11:26:30 2015
  IpRoute:
   default via 192.168.0.254 dev eth1  proto static
   169.254.0.0/16 dev eth1  scope link  metric 1000
   192.168.0.0/24 dev eth1  proto kernel  scope link  src 192.168.0.13  metric 1
   192.168.42.0/24 dev usb0  proto kernel  scope link  src 192.168.42.37  metric 1
  IwConfig:
   lo        no wireless extensions.

   eth1      no wireless extensions.

   usb0      no wireless extensions.
  MarkForUpload: True
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  RfKill:

  SourcePackage: network-manager
  UpgradeStatus: Upgraded to precise on 2014-12-07 (46 days ago)
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH
   Wired connection 2        e02cf14b-492a-443f-9767-7b1a7e716f65   802-3-ethernet    1422012303   Fri 23 Jan 2015 11:25:03 GMT       yes           no         /org/freedesktop/NetworkManager/Settings/1
   Wired connection 1        a7eb3b41-0730-4393-beec-dd11610b1ee5   802-3-ethernet    1422012303   Fri 23 Jan 2015 11:25:03 GMT       yes           no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH
   usb0       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/1
   eth1       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN
   running         0.9.4.0    connected       enabled       enabled         enabled    enabled         disabled

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