iptables -t nat -A port_forward_pre -i eth2.2 -d ! 192.168.0.1/255.255.255.0 -p tcp --dport 1540 -j DNAT --to-destination 192.168.0.100:1540
iptables -t nat -A port_forward_pre -i eth2.2 -d ! 192.168.0.1/255.255.255.0 -p tcp --dport 1541 -j DNAT --to-destination 192.168.0.100:1541

iptables -t nat -A port_forward_pre -i eth2.2 -d ! 192.168.0.1/255.255.255.0 -p tcp -m multiport --dports 1560:1591 -j DNAT --to-destination 192.168.0.100