LXC container networking not working

On a Debian server, I installed lxc, but when I create a container, it is missing IP address. When I did “lxc-attack VM_NAME”, and checked the network interface with “ip link” command, i can only see the loopback interface “lo”.

On Host machine, when I checked network interfaces, lxcbr0 was missing. To fix this, edit file

Find

Replace with

Now restart lxc-net service

At this point, you will see the network interface “lxcbr0”.

Next edit file

I had the following content in this file

[email protected]:/etc/lxc# cat default.conf
lxc.net.0.type = empty
lxc.apparmor.profile = generated
lxc.apparmor.allow_nesting = 1
[email protected]:/etc/lxc#

Find

Replace with

After this is done, newly created LXC containers get IP addresses.

See LXC

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