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Virtual Ethernet device

610 bytes added, 19:39, 18 February 2012
Automating the bridge
The most convenient method is to automatically create the bridge at boot as a network interface, add the physical interface from [[CT0]] and then add the interface from each [[CT]] as it starts. All devices are connected to a virtual switch, and containers directly access the network just as any other host without additional configuration on [[CT0]].
In Debian, configure the network interface on [[CT0]] to be plug into a bridge in /etc/network/interfaces. The [[CT0]] physical device is added to the bridge as the "uplink" port to the physical network. The bridge forwarding delay is set to 0 seconds so that forwarding begins immediately when a new interface is added to a bridge. The default delay is 30 seconds, during which the bridge pauses all traffic to listen and figure out where devices are. This can interrupt services when a container is added to the bridge. If you aren't running the spanning tree protocol (off by default) and the bridge does not create a loop in your network, then there is no need for a forwarding delay.
iface eth0 inet manual
auto vzbr0
iface vzbr0 inet static
bridge-ports bridge_ports eth0 bridge_fd 0
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