Description: This table is used to list external IP addresses available for assignment to internal IP addresses. The filter table is used to identify internal addresses that require NAT before entering the external domain (upstream). In the downstream direction NAT (inverse of the NAT applied in the upstream) is applied before applying the IP filter table. NAT assignment algorithims are vendor dependant. When an external IP address is no longer assigned to an IP addess, dvbNiuNatIntIp should be all 0's. If there are no free external addresses the packet requiring translation should be dropped.

NAPT is not applicable to multicast packets.