sudo modprobe 8021q
sudo vconfig add eth0 63
-sudo ifconfig eth0.63 10.60.4.9 netmask 255.255.252.0 up
-sudo iptables -t nat -A POSTROUTING -s 10.60.4.9/22 -o eth0 -j MASQUERADE
+sudo ifconfig eth0.63 10.60.4.8 netmask 255.255.252.0 up
+sudo iptables -t nat -A POSTROUTING -s 10.60.4.8/22 -o eth0 -j MASQUERADE
sudo ifconfig virtual 172.16.10.1 netmask 255.255.255.0 up
sudo iptables -t nat -A POSTROUTING -s 172.16.10.1/24 -o eth0 -j MASQUERADE