modprobe 8021q

/sbin/vconfig add eth2 999
ifconfig eth2.999 up
brctl addif br0 eth2.999


/sbin/vconfig add vnet1 13
/sbin/vconfig add eth2 13
ifconfig vnet1.13 up
ifconfig eth2.13 up
brctl addbr br13
brctl addif br13 vnet1.13
brctl addif br13 eth2.13
ifconfig br13 up