One-To-One Type; One-To-One (Bidirectional) Type - D-Link DFL-900 User Manual

DFL-900/1500 User Manual Chapter 7
NAT

7.5.3 One-to-One type

Figure 7-6 NAT One-to-One type
As the above Figure 7-6 illustrated, NAT One to One type means that each local PC is translated into a unique public IP address
when the packets are forwarded out through the DFL-1500. Take Connection1 for example. Its IP address and port are translated
from 192.168.40.1:2933 to 61.2.1.1:2933. But, when the packets of Connection2 are forwards out, the source IP address is translated
to another dedicated public IP address(61.2.1.2:7896).

7.5.4 One-to-One (bidirectional) type

Figure 7-7 NAT One-to-One (bidirectional) type
As the above Figure 7-7 illustrated, NAT One to One (bidirectional) type means that each local PC is translated into a unique public
IP address when the packets are forwarded out through the DFL-1500. Besides when packets came from internet to LAN, they were
translated to the same private IP address too. Take Connection1 for example. Its IP address and port are translated from
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