ZyXEL Communications XMG3512-B10A User Manual page 151

Chapter 11 Network Address Translation (NAT)
Multiple Servers Behind NAT Example
Fig ure 76
A=192.168.1.33
B=192.168.1.34
C=192.168.1.3
D=192.168.1.36
Click
Ne two rk Se tting > NAT > Po rt Fo rwa rding
See Appendix C on page 268
Network Setting > NAT > Port Forwarding
Fig ure 77
The following table describes the fields in this screen.
Table 55 Network Setting > NAT > Port Forwarding
L ABEL DESC RIPT IO N
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.
Server IP This is the server's IP address.
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.
Translation Start This is the first internal port number that identifies a service.
Port
Translation End This is the last internal port number that identifies a service.
Port
Protocol This shows the IP protocol supported by this virtual server, whether it is
Modify Click the
Click the
LAN
192.168.1.1
to open the following screen.
for port numbers commonly used for particular services.
icon to edit this rule.
Edit
icon to delete an existing rule.
De le te
XMG3512-B10A User's Guide
151
WAN
IP Address assigned by ISP
,
T C P UDP
, or .
T C P/ UDP