route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.1.14 dev wlan0
route delete default iptables -t nat -A PREROUTING -s 192.168.1.0/16 -i wlan0 -j DNAT --to-destination 192.168.2.15 iptables -t nat -A PREROUTING -s 192.168.2.0/16 -i usb0 -j DNAT --to-destination 192.168.1.14
route add default gw 192.168.2.15 dev usb0