Target hosts 包含以下 network bridges:
- LXC internal lxcbr0:
- 必须的，自动生成，containers的外网连接，不连接到host上任何物理/逻辑接口，连接到container里面的eth0
- Container management br-mgmt:
- Mandatory必须的.
- Provides management of and communication among infrastructure and OpenStack services.
- 手动创建，连接到物理/逻辑接口(一般是bond0)，连接容器的eth1.
- Storage br-storage:
- Optional.
- Provides segregated access to block storage devices between Compute and Block Storage hosts.
- 手动创建，连接到物理/逻辑接口(一般是bond0)，连接容器的eth2.
- OpenStack Networking tunnel/overlay br-vxlan:
- Mandatory.
- Provides infrastructure for VXLAN tunnel/overlay networks.
- 手动创建，连接到物理/逻辑接口(一般是bond1)，连接容器的eth10.
- OpenStack Networking provider br-vlan:
- Mandatory.
- Provides infrastructure for VLAN and flat networks.
- Manually created and attaches to a physical or logical interface, typically bond1. Also attaches to eth11 in each associated container. Does not contain an IP address because it only handles layer 2 connectivity.
在openstack环境中安装rackspace private cloud --2 overview
原文：http://www.cnblogs.com/allcloud/p/4896194.html
