route add –net 192.168.1.0 gw 192.168.1.1 netmask 255.255.255.0 metric 1
route add –net 172.16.1.0 gw 192.168.1.1 netmask 255.255.255.255 metric 1
route add –net 172.16.1.0 gw 172.16.1.1 netmask 255.255.255.0 metric 1
route add default 192.168.1.0 netmask 172.168.1.1 metric 1