[Lxc-users] Problem with bridges and virtual interfaces in containers

[Jelena Seovic]

Hi Ferenc,

Thanks for answer, it helped me.
Mistake was that I forgot to put netmask in one guest /etc/network/interface
.

Regards,
Jelena



On Mon, Aug 26, 2013 at 2:47 PM, Ferenc Holzhauser <
ferenc.holzhauser at gmail.com> wrote:

> Hi Jelena,
>
> I'm using similar setup with 4 bridges (actually 5 including the lxcbr0
> that lxc creates for DHCP/NAT) on Ubuntu with no problems. Could it be that
> you are accidentally reusing MAC in the lxc guest config of the new guests?
>
> Example pieces of my configuration below. I hope it helps.
>
> host /etc/network/interfaces
> ...
> auto br2
> iface br2 inet static
>   address 10.2.0.1
>   netmask 255.255.255.0
>   network 10.2.0.0
>   pre-up brctl addbr br2
>   post-down brctl delbr br2
> ...
> guest config
> ...
> lxc.network.type = veth
> lxc.network.link = br2
> lxc.network.name = eth2
> lxc.network.flags = up
> ...
> guest /etc/network/interfaces
> ...
> auto eth2
> iface eth2 inet static
>   address 10.2.0.10
>   netmask 255.255.255.0
>   network 10.2.0.0
> ...
> another guest
> ...
> auto eth2
> iface eth2 inet static
>   address 10.2.0.11
>   netmask 255.255.255.0
>   network 10.2.0.0
> ...
>
>
> BR,
> Ferenc
>
>
> On 26 August 2013 13:24, Jelena Seovic <jelena.seovic at gmail.com> wrote:
>
>> Hi all,
>>
>> I have problem with connecting virtual interfaces in containers on
>> bridges. I wont to create for example two virtual interfaces in container
>> and each of them to connect to different bridge. On that way I wont connect
>> one container with other containers and to ping one form another (like
>> creating small network container1-bridge1-container2-bridge2-container3...).
>>
>> First I started with two containers (container1-bridge-container2). I
>> have created one virtual interfaces in each container in config file
>> (/var/lib/lxc/container1/config and /var/lib/lxc/container2/config). Beside
>> that i created bridge and i could ping one interface from another.
>>
>> Then I wonted to connect one more container
>> (container1-bridge1-container2-bridge2-container3). Created one more
>> interface in config file in container2, and one in container3. Also I
>> created one more bridge. But I couldn't ping interface in container2 from
>> container3 and vice versa. Still I was able to ping container1 from
>> container2.
>>
>> I checked every config file several times, bridges too but i couldn't
>> find problem.
>> I'm sure that I am making mistake somewhere, but I don't know where. Can
>> anyone help me?
>>
>> Regards,
>> Jelena
>>
>>
>> ------------------------------------------------------------------------------
>> Introducing Performance Central, a new site from SourceForge and
>> AppDynamics. Performance Central is your source for news, insights,
>> analysis and resources for efficient Application Performance Management.
>> Visit us today!
>>
>> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Lxc-users mailing list
>> Lxc-users at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/lxc-users
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxcontainers.org/pipermail/lxc-users/attachments/20130827/92340ea4/attachment.html>