1 #!/bin/sh 2 set -x 3 4 switch=br0 5 6 if [ -n "$1" ];then 7 ip tuntap add $1 mode tap user `whoami` 8 ip link set $1 up 9 sleep 0.5s 10 ip link set $1 master $switch 11 exit 0 12 else 13 echo "Error: no interface specified" 14 exit 1 15 fi