[Lxc-users] LXC Container inside of a Virtual Machine + problem networking

Martin Konečný martin.konecny at sourcefabric.org
Tue Feb 21 22:52:50 UTC 2012


I have experience successfully creating an LXC container in many system
configurations except for when it is inside of a Virtual Machine (Oracle

More specifically, I have problems with networking.

Here is my config:

lxc.network.type = veth
lxc.network.flags = up
lxc.network.link = br0
lxc.network.ipv4 =

My problem is, that if the container is inside a virtual machine which has
its network interface bridged to its hosts network bridge, then when I'm
inside the LXC container I cannot ping any computer on the internet or
local network EXCEPT for the virtual machines IP.

So I have a Computer hosting a Virtual Machine hosting a LXC Container. The
LXC container can only access the Virtual Machine.

If I change the Virtual Machine to use NAT instead of Bridge for its
network adapter, then the container can access the internet no problem.

Any ideas?

Open source radio in the cloud. Get yours now! ---> http://airtime.pro

Martin Konecny
Software Developer, Sourcefabric
martin.konecny at sourcefabric.org

720 Bathurst St. Suite 203
M5S 2R4, Toronto, ON, Canada
+1 (416) 892-8420 (Cell)
Skype: martin.konecny15

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