# This script is run when the node is in NAT mode to 
# setup NAT only from eth0 interface on dtdlink interface
# allowing all other traffic to transport as is.


iptables -t nat -A zone_lan_prerouting -j MARK --set-xmark 0xe/0xffffffff
iptables -t nat -A zone_dtdlink_nat -m mark --mark 0xe -j MASQUERADE