Problem in emulating tap-bridge

[Rishi Pj]

Hello everybody,

     I am trying to emulate two nodes:- "left" and "right", with the configuration as given in "src/tap-bridge/examples/lxc-left.conf".

To do this i am following this document: "https://www.nsnam.org/wiki/HOWTO_Use_Linux_Containers_to_set_up_virtual_networks".

    Everything went well till the step of creating containers. After executing  "sudo lxc-create -n left -f lxc-left.conf" i am getting this error: "lxc_container: lxc_create.c: main: 271 Error creating container left". I am not able to figure out any possible reason for this error. 

Kindly advice me with any possible solutions to overcome this error.

Thanking You

--

with best regards

Rishi

[Zin Win]

Hi Rishi Pj,

I also encounter like that problem..

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[Giggi The Odd]

Hi! I'm not an Ubuntu user (don't know if this solution is a true solution to the problem), and my english is not so well, so excuse me if I do mistakes writing this message.
I had the same problem. My solution was typing into the terminal these lines :

  sudo lxc-create -n left -f /home/luigi/repos/ns-3-allinone/ns-3-allinone/ns-3-dev/src/tap-bridge/examples/lxc-left.conf -t /usr/share/lxc/templates/lxc-ubuntu

  sudo lxc-create -n right -f /home/luigi/repos/ns-3-allinone/ns-3-allinone/ns-3-dev/src/tap-bridge/examples/lxc-right.conf -t /usr/share/lxc/templates/lxc-ubuntu

the creation of containers worked fine, but I don't know if this solution is compatible with the tutorial, and if it will work with ns-3. The difference with the lines in the tutorial is that here I expressed to create a container using a template based on ubuntu.
After creation, typing " $ sudo lxc-ls " it shows "left   right" just as the tutorial says.
Now I'm trying this solution and verify if it works with ns-3.,
hope it will help.

[Tommaso Pecorella]

Hi,

thanks for the heads-up. That HowTo is a bit old and it should be updated a bit. We'll do it as soon as we can.

Cheers,

T.

[Rishi Pj]

Thank you so much..

Creating lxc container was a cakewalk on Debian. My problem was in Ubuntu.

I tried your advise Giggi..This is what i got:

I: Retrieving libncurses5 5.9+20140118-1ubuntu1

I: Validating libncurses5 5.9+20140118-1ubuntu1

I: Retrieving libncursesw5 5.9+20140118-1ubuntu1

I: Validating libncursesw5 5.9+20140118-1ubuntu1

I: Retrieving libnewt0.52 0.52.15-2ubuntu5

I: Validating libnewt0.52 0.52.15-2ubuntu5

I: Retrieving libnih-dbus1 1.0.3-4ubuntu25

I: Validating libnih-dbus1 1.0.3-4ubuntu25

I: Retrieving libnih1 1.0.3-4ubuntu25

I: Validating libnih1 1.0.3-4ubuntu25

I: Retrieving libp11-kit0 0.20.2-2ubuntu2

I: Validating libp11-kit0 0.20.2-2ubuntu2

I: Retrieving libpam-cap 1%3a2.24-0ubuntu2

I: Validating libpam-cap 1%3a2.24-0ubuntu2

I: Retrieving libpam-modules 1.1.8-1ubuntu2

I: Validating libpam-modules 1.1.8-1ubuntu2

I: Retrieving libpam-modules-bin 1.1.8-1ubuntu2

...

This continued for a long time..later i had to stop it.  Anyways i am now working on Debian. 

Thanx again.

[Rishi Pj]

Giggi your advise worked!!!.. linux containers are working fine on ubuntu also..

Thanks a ton :)

On Sunday, February 15, 2015 at 6:49:52 AM UTC+5:30, Rishi Pj wrote:

[Zin Win]

Thanks so much, Giggi, for your guidline.

I also ok like Rashi Pj... Thank you so much for your kind help...