modprobe 8021q /sbin/vconfig add vnet5 12 /sbin/vconfig add vnet1 12 ifconfig vnet5.12 up ifconfig vnet1.12 up brctl addbr br12 brctl addif br12 vnet5.12 brctl addif br12 vnet1.12 ifconfig br12 up /sbin/vconfig add vnet5 23 /sbin/vconfig add eth3 23 ifconfig vnet5.23 up ifconfig eth3.23 up brctl addbr br23 brctl addif br23 vnet5.23 brctl addif br23 eth3.23 ifconfig br23 up /sbin/vconfig add eth3 34 ifconfig eth3.34 up brctl addbr br34 brctl addif br34 eth3.34 ifconfig br34 up