Chapter 11 Network Address Translation (NAT)
SBG3500-N Series User’s Guide
205
Figure 83 Multiple Servers Behind NAT Example
Click Network Setting > NAT > Port Forwarding to open the following screen.
See Appendix F on page 415 for port numbers commonly used for particular services.
Figure 84 Network Setting > NAT > Port Forwarding
The following table describes the fields in this screen.
Table 53 Network Setting > NAT > Port Forwarding
LABEL DESCRIPTION
Add new rule Click this to add a new rule.
# This is the index number of the entry.
Status This field displays whether the NAT rule is active or not. A yellow bulb signifies that this rule
is active. A gray bulb signifies that this rule is not active.
Service Name This shows the service’s name.
WAN Interface This shows the WAN interface through which the service is forwarded.
WAN IP This field displays the incoming packet’s destination IP address.
Server IP
Address
This is the server’s IP address.
Start Port This is the first external port number that identifies a service.
End Port This is the last external port number that identifies a service.
A=192.168.1.33
D=192.168.1.36
C=192.168.1.3
B=192.168.1.34
WAN
LAN
192.168.1.1
IP Address assigned by ISP
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