This document describes the options of network configuration with containers.

• Masquerade containers with one host IP
• Masquerade containers with dedicated host IP
• Dedicated public IP to containers

# ip link add dummy0 type dummy
# ip link set dummy0 up

Interfaces file at the host:

auto lxc-br0
  iface lxc-br0 inet static
    address 192.168.3.1
    netmask 255.255.255.0
    network 192.168.3.0
    broadcast 192.168.3.255
    pre-up modprobe dummy
    bridge_fd 0
    bridge_ports dummy0
    bridge_maxwait 0  

dnsmasq

/usr/libexec/lxc/lxc-net

/etc/default/lxc-net

config file:

# Network configuration
lxc.net.0.type = veth
lxc.net.0.link = lxc-br0
lxc.net.0.flags = up
lxc.net.0.hwaddr = 00:16:3e:xx:xx:xx

## Autostart
lxc.start.auto = 1
lxc.start.delay = 5

Interfaces file into de LXC container to use static IP addr:

auto eth0
  iface eth0 inet static
    address 192.168.3.11
    netmask 255.255.255.0
    gateway 192.168.3.1
    dns-nameservers 192.168.3.1

Return to LXC Debian