D-Link DFL-1500 [77/271] Nat modes introduction

D-Link DFL-M510 [77/271] Nat modes introduction
DFL-900/1500 User Manual Chapter 7
NAT
69
Redirect to
internal server
under
The subnet which is located the virtual server.
LAN / DMZ
regions
DMZ1
Internal IP
The IP address which is actually transferred to
the internal DMZ.
IPv4 format 10.1.1.5
Action
Port
The port number which is actually transferred to
the internal DMZ.
If you filled 0 in this field, it means that the real
connected port is the same as the translated
destination port.
0 ~ 65534 21
Table 7-3 Add a Virtual Server rule
Step 9. View the Result
Now any request towards the DFL-1500’s WAN1
IP (61.2.1.1) with port 44444 will be translated
into a request towards 10.1.1.5 with port 21,
and then be forwarded to the 10.1.1.5. The
FTP server listening at port 21 in 10.1.1.5 will
pick up the request.
ADVANCED SETTINGS > NAT > Virtual Servers
7.5 NAT modes introduction
7.5.1 Many-to-One type
Figure 7-4 NAT Many-to-One type
As the above
Figure 7-4 illustrated, NAT Many-to-One type means that many local PCs are translated into only one public IP
address when the packets are forwarded out through the DFL-1500. Take Connection1 for example. Its IP address and port are

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