modprobe 8021q

ip link add link eth0 name eth0.20 type vlan id 20
ip link set dev eth0.20 up
ip link add link eth0 name eth0.21 type vlan id 21
ip link set dev eth0.21 up
ifconfig eth0.21 192.168.1.20
/etc/init.d/ssh start

modprobe rina-irati-core irati_verbosity=7
modprobe shim-eth-vlan
modprobe rina-default-plugin
modprobe normal-ipcp

/usr/local/irati/bin/ipcm -c /usr/local/irati/etc/ipcm-exp5mac.conf -l DEBUG &> log &