Hi, All As we konw, ovs-vsctl add-br br0 ; ovs-vsctl add-port br0 is used to create an bridge and add a port into it While after I creating several such kind bridges, can I specify how those bridges are connected to each other using openvswith to make a simple network topology? -- 八百里秦川尘土飞扬,三千万老陕齐吼秦腔。 --bill